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SERVICE MANUAL - Heronhill Air Conditioning Ltd

1. RESET FILTER TIMER OPERATION AS Sig Fig 10 8 2 Position of remote controller selector switch 10 8 3 Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Selector switch Information Fig 10 8 3 The product was shipped with Auto Restart function in the OFF position Turn it ON as required Cutting direction o l ae Sa Jumper E How to Set the Auto Restart ze Y e Press and hold the RESET button for about 3 seconds After 3 seconds three short electric beeps will be heard to inform you that the Auto Restart has been selected e To cancel the Auto Restart follow the steps described in the section Auto Restart Function on Owner s Manual Fig 10 8 4 When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals Be Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 9 Useful Functions 10 9 1 Self Diagnosis by LED Indication e For this outdoor unit by referring to the 5 LED Red indicator lights self diagnosis is possible e LEDS Red DO9 to D13 are l
2. The above specification values are those under the conditions Cooling Indoor DB WB 27 19 C Heating Indoor DB 20 C Outdoor DB 35 C Outdoor DB WB 7 6 C Zg Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements lt Cooling gt RAS M18GAV E RAS M18GACV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode v status A A kW A w 1 1 to 3 2 3 03 1 43 to 3 220 to 800 1 1 to 4 2 5 10 1 43 to 6 220 to 1400 1 1 to 4 9 6 96 1 43 to 7 220 to 1700 1 4 to 6 1 7 19 1 69 to 9 260 to 2150 1 4 to 6 2 7 42 1 69 to 10 06 260 to 2170 1 4 to 6 2 7 42 1 69 to 10 06 260 to 2170 1 4 to 6 2 7 42 1 69 to 10 06 260 to 2170 1 1 to 3 2 2 90 1 37 to 3 220 to 800 1 1 to 4 2 4 88 1 37 to 6 220 to 1400 1 1 to 4 9 6 65 1 37 to 7 220 to 1700 1 4 to 6 2 1 4 to 6 2 1 4 to 6 2 1 1 to 3 2 1 1 to 4 2 1 1 to 4 9 1 4 to 6 1 1 4 to 6 2 1 4 to 6 2 1 4 to 6 2 7 10 1 61 to 9 260 to 2170 7 10 1 61 to 9 260 to 2170 7 10 1 61 to 9 260 to 2170 2 78 1 31 to 3 220to 800 4 68 1 31 to 5 220 to 1400 6 38 1 31 to 7 220 to 1700 6 59 1 55 to 9 260 to 2150 6 80 1 55 to 9 260 to 2170 6 80 1 55 to 9 260 to 2170 6 80 1 55 to 9 260 to 2170 2 units 2 units 2 7 3 7 4 5
3. Hall device bee Sans See ot Cc FET x 6 M14GAV E M14GACV E M18GAV E M18GACV E uninsulated type Fig 11 1 Compressor Fan motor Shared potential 75 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements A CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads Fig 11 2 Do NOT lay the circuit board assembly flat Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic cap
4. Econo operation To is abnormal To Outdoor sensor temp C RAS M14GAV E Compressor revolution rps Fan revolution To gt 10 C Normal operation 5 5 lt To lt 10 5 lt To lt 5 5 To lt 5 To gt 10 C 5 5 lt To lt 10 5 lt To lt 5 5 To lt 5 Econo operation To is abnormal To Outdoor sensor temp C A7 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc Description 4 Capacity 1 Indoor unit A and Indoor unit B control Outdoor unit determine the respective Indoor unit A instruction revolutions from the Inverter gt Compressor difference between the remote controller setting temperature Ts and the indoor temperature Ta and transmit this to the outdoor unit Operation No of Combination Compressor 2 The outdoor unit receives the mode operating unit of indoor units revolution rps instructions from the indoor units 1 2 and the inverter operates the 2 compressor at the calculated 13to 79 i revolutions ia Cooling 15 to 83 M18GACV E 15to 83 3 The compressor operation range 15 to 83 in each operating mode is shown 15to 83 in the left table 13 to 76 13 to 99 13 to 102 Heating 15 to 120 15 to 120 15 to 120 15 to 120 4 unit 13 to 56 M14GAV E Cooling 13 to 74 M14GACV E
5. 5 1 5 2 5 2 5 2 2 7 3 7 4 5 Cooling 5 1 1 4 to 6 1 6 88 1 61 to 9 260 to 2150 5 2 5 2 5 2 2 7 3 7 4 5 5 1 5 2 5 2 5 2 lt Heating gt RAS M18GAV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode v status A A kW A w 4 0 0 7 to 5 2 5 57 1 10 to 7 88 1200 170 to 1700 5 0 0 7 to 6 5 8 35 1 10 to 11 73 1800 170 to 2530 5 5 0 7 to 6 9 8 81 1 10 to 11 73 1900 170 to 2530 6 5 0 9 to 8 2 8 35 1 30 to 11 09 1800 200 to 2390 6 7 0 9 to 8 5 8 58 1 30 to 11 36 1850 200 to 2450 6 7 0 9 to 8 5 8 58 1 30 to 11 36 1850 200 to 2450 6 7 0 9 to 8 5 8 58 1 30 to 11 36 1850 200 to 2450 4 0 0 7 to 5 2 5 32 1 06 to 7 54 1200 170 to 1700 5 0 0 7 to 6 5 7 99 1 06 to 11 22 1800 170 to 2530 5 5 0 7 to 6 9 8 43 1 06 to 11 22 1900 170 to 2530 Heating 6 5 0 9 to 8 2 7 99 1 24 to 10 60 1800 200 to 2390 6 7 6 7 6 7 4 0 5 0 5 5 6 5 6 7 6 7 6 7 2 units 0 9 to 8 5 8 21 1 24 to 10 87 1850 200 to 2450 0 9 to 8 5 8 21 1 24 to 10 87 1850 200 to 2450 0 9 to 8 5 8 21 1 24 to 10 87 1850 200 to 2450 0 7 to 5 2 5 10 1 01 to 7 23 1200
6. 62 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements CAUTION e Be sure to refer to the wiring system diagram labeled inside the front panel e Check local electrical regulations for any specific wiring instructions or limitations Terminal cover D Screw Screw Cord clamp Terminal block Earth wire Connecting cable Terminal block Fig 10 3 7 Connecting cable About 15 cm Fig 10 3 8 70 mm 10mm Earth line es Se 10mm 50 mm Fig 10 3 9 NOTE WIRE TYPE more than H07 RN F or 245 IEC 66 1 0mm Tel 01823 665660 10 3 5 Piping and Drain Hose Installation www heronhill co uk Piping and drain hose forming Since condensation results in machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear ight gt Rear left gt gt p S Eo S Bottom left m _ Sc m 3 S Ek D Left mp og OS mp 2 e E Bottom right Je 2 m Z ER Right m O Fig 10 3 10 1 Die cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or side of thefront panel for the bottom left or right connection with a pair of nippers 2 Changing drain hose For left connection left bo
7. Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm Thickness 0 8mm TGb 4 way valve STF 0108Z TS 1 INDOOR UNIT T1 Temp measurement toal sanin Indoor heat o Broom exchanger Temp measurement NOTE E SE oS Per 1 unit Deoxidized copper pipe amp Max 20m Both A and B room ee Cp Ro dia Camm SI Cf SIS Charge 20g m db Thickness 0 8mm J KR ZS S 21 to 30m Sectional shape lt b of heat insulator X OXW ai ai E EE GEN Muffler d Split capillary gt O2 2 x 2006 i _TGa Ca E Strainer TE i Muffler o dn Pulse motor H Ce valve at liquid side CAM B22YGTF 3 TD l S 3 Split capillary E Compressor O2 2 x 200 DA111A1F 20F1 H U Outdoor heat i exchanger pa a A Ke 1 Co Propeller fan OUTDOOR UNIT Refrigerant amount Geo NOTE m Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating e The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g Tel 01823 665660 2505 www heronhill co uk Fax 01823 665807 RAS M10GKCVP E RAS RAS M14GACV E To B room Indoor hea
8. ELNO 00IN VL YOSNAS OWYSHL wig 3 D1 YHOSNAS YADNVHOXS 1VJH Mae EN MOTIAA 13A SN22U SM MNIid ANd AU Ap MOTISA 13A WAdYNAd Yd ADNVYO NYO NMOdWd AM ania nig MOVId yg JLIHM IHM Gay dad uoneonuapI 10109 Do Fax 01823 665807 www heronhill co uk Tel 01823 665660 Heronhill for all your Toshiba requirements 5 2 Outdoor Unit RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models JIdYNd YNd MOTA TSA ASNVYO NYO NMOS Mea ALIHM IHM NOILVOISILNAC Y07109 ANIdANd AVES AND qay day 3N18 N18 MOV1E 1d YOSSaYdNOO YOSNAS AL 3did S9YvHosid GL YOSNAS dWAL yOoGLNoO OL YOSNAS d 3dld NOIL WL Ons e YOSNIS du did 301S SY q YOSNAS dal 3dld JdIs SY OL 10 LWLSOWYSHL Gyvo O d 88 INS Hd OLOHd 0d zoa DEN Loa CENI THM 00 YOLOW NVA le ind IZEN W4 CS 4 H Soe 0080 N KR 00 ZHO9 AUDE ZHOS App aA LINN Yy LINN AlddNS YOOQANI YOOUdNI YaMOd TT CH TTTT 1 qi t tot SANK AIX EX CXL EX CXL Cu am _ NOLS O O Go ra um el NCD OOEN XINO TAGOW dWNd LVAH LX INVA AYMY HO T109 ES ei 20d 600S OOW dHYOT od YOLOWAY EU UI CL HL oe ri Led LOLNO 1991 S0 0020 und YOLOVAY i Fax 01823 665807 www heronhill co uk Tel 01823 665660 Heronhill
9. Fax 01823 665807 10 ECO operation Heronhill for all your Toshiba requirements Operation flow and applicable data etc When pressing ECO button on the remote controller a quiet and mild operation is performed by reducing the fan speed and the compressor speed lt Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each However the first correction is performed 150 seconds after start of the operation Time correction 1 zone min 1 Room temp Set temp Tel 01823 665660 6 x 5 COOL min 6 x 4 COOL min DRY max COOL min DRY max COOL min 6 x 2 COOL min 6 x 1 COOL min DRY max COOL min DRY max COOL min DRY max COOL min 6 x 3 COOL min lt Heating operation gt Compressor speed OHz 30 minutes B zone 16 to amp Hz M14GAV E M18GAV E E www heronhill co uk Description lt Cooling operation gt 1 The room temperature Tao at the start time of DRY operation is detected 2 According to difference between the room temperature and the set temperature Tsc the operation starts with the condi tions shown in the left figure Set temp Tsc Set temp on remote controller Ts 0 0 to 1 0 3 If the room temperature is down by
10. RAS M10GKV E RAS M13GKV E RAS M10GDV E RAS M13GDV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKV E RAS M13GKV E RAS M16GKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E Cooling only Heat pump RAS M14GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M10GDCV E RAS M13GDCV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M16GKCV E RAS M10GDCV E RAS M13GDCV E Table of models that can be used in combination Outdoor unit RAS M14GAV E RAS M16GDCV E Combinations of indoor unit models that can be connected 10 10 10 13 RAS M18GAV E 10 10 10 13 10 16 13 13 Cooling only RAS M14GACV E 10 10 10 13 RAS M18GACV E 10 10 10 13 10 16 13 13 A 1 room connection is not an option for the indoor units you cannot connect only one indoor unit A 2 room connection must always be used for the indoor units you must connect two indoor units With the RAS M14GAV E and RAS M14GACV E outdoor unit models the 13 13 combination is not an option With the RAS M18GAV E and RAS M18GACV E outdoor unit models the 13 16 or 16 16 combination is not an option Tel 01823 665660 66 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 5 In
11. TGb sensor Cooling only models Inverter attached 10kQ 25 C Evaporator temp sensor TE sensor Inverter attached 10kQ 25 C Suction temp sensor TS sensor Inverter attached 10kQ 25 C Terminal block 9P AC 250V 20A Fuse For protection of switching power source F03 AC 250V 3 15A For protection of inverter input overcurrent AC 25V 25A For protection of power source AC 250V 6 3A Electrolytic capacitor LLQ2G761KHU DC 400V 760F IGBT Q200 Q205 GT20J321 600V 20A Compressor M18 DA130A1F 25F 3 phases 4 poles 1 100W Compressor M14 DA111A1F 20F1 3 phases 4 poles 750W Compressor thermo US622KXTMQO OFF 125 4 C ON 90 5 C Rectifier DBO1 DBO2 D25 X B60 Diode 600V 25A IGBT Q404 GT40Q321 or GT30J121 IGBT 600V 40A Reactor Main CH 57 L 10mH 16A Reactor Sub CH 43 Z T L 10mH 1A Coil for PM V CAM MD12TF DC 12V Coil for 4 way valve VHV NOTE 1 Heat pump models only Tel 01823 665660 24 www heronhill co uk AC 220 240V Fax 01823 665807 Heronhill for all your Toshiba requirements 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram RAS B10GKVP E RAS B13GKVP E RAS M14GAV E To B room v Pressure measurement Gauge attaching port Vacuum pump connecting port
12. clutch type Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 A mm Outer diameter Bee Flare tool for R22 Conventional flare tool mm Nominal diameter clutch type Clutch type Wing nut type 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 3 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B CG mm 14 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Table 3 2 6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B c mm lo 45 Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur
13. Heating capacity range Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Indoor 220V 230V 240V Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Running current 0 15 0 15 0 15 Power consumption 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Electric characteristics Outdoor 220V 230V 240V Unit model RAS M14GAV E RAS M18GAV E Operation mode Cooling Heating Cooling Heating Running current 4 87 4 64 4 44 4 43 4 23 4 04 7 12 6 80 6 50 8 28 7 91 7 57 Power consumption 1020 950 1540 1790 Power factor 95 97 98 98 Starting current 5 17 4 94 4 74 7 42 7 10 6 80 COP Cooling Heating 3 70 4 36 3 25 3 62 Indoor Operating noise Cooling Heating Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E High dB A 42 43 43 44 45 45 Medium dB A 33 34 34 35 36 36 Low dBsA 27 27 27 27 29 29 Outdoor Cooling Heating Unit model RAS M14GAV E RAS M18GAV E 2 indoor units operating dB A 46 48 48 50 Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Indoor unit Dimension Height 250 250 250 Width 790 790 790 Depth 215 215 215 Net weight 9 9 9 Fan moto
14. The indoor fan motor is defective Protected operation of P C board The PC board is defective The connection of the motor connector is loose Fax 01823 665807 Heronhill for all your Toshiba requirements 11 10 2 P C Board Layout Ta 15A E Oo REH Gsm feu 1 Sensor characteristic table 100 ihn 90 e l 80 N g 70 TD Discharge temp sensor 2 TA Room temp sensor E a TC Heat exchanger temp sensor 50 TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor ZS w l i i i TS Suction temp sensor 30 TGa A room Gas side temp sensor E TGb B room Gas side temp sensor 20 10 TA TC TO Tga TGb TE TS 0 10 20 30 40 50 Temperature C 94 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 10 3 Indoor Unit Other Parts Part name Checking procedure Room temp TA sensor Disconnect the connector and measure the resistance value with tester Heat exchanger TC sensor Normal temp Remote controller Refer to 11 5 1 5 Louver motor Measure the resistance value of each winding coil by using the tester MP24Z Under normal temp 25 C Position Resistance value 380 402 Indoor fan motor Refer to 11 5 1 3 and 4 11 10 4 Outdoor Unit Part name Checking procedure Compressor Measure the resistance value of each winding by using the tester Mode
15. When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market N m kgf cm Nominal Outer diameter Tightening torque diameter mm Nem kgf cm 14 to 18 140 to 180 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 15 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 12 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following thr
16. Specifications Vendor Drain line heaters CSC2 1 5m 40W m by Flexelec com Please go to the following URL http www flexelec com Remarks Procured locally Thermostat US 622AXRLQE by ASAHI KEIKI Operating temperature on 4 4 C off 15 3 C A thermostat holder is incorporated with a thermostat in the package Please go to the following URL http www asahikeiki co jp product product html On self responsibility you can use a product manufactured by other company For example Texas Instruments if its characteristics are equivalent to those of ASAHI KEIKI However when the shape of the thermostat holder is different from that of ASAHI KEIKI apply some treatment to No 14 thermostat fixing plate and then fix the holder Procured locally ES3 5000 250V 5A by NAGASAWA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally Fuse holder GM1H 02 by NAGASAWA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness
17. ei II oo HIPOWER amp CHK EXUON GS n aa pg E 55 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 5 2 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pressing the d button 1 2 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control er Cool Dry Heat Temperature indicator Indicates the temperature setting 17 C to 30 C PURE indicator Shows that the electrical air purifying operation is in progress FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW LOW oa MED mm MED mmm HIGH _ mm Can be shown Indicates AUTO when the operating mode is either AUTO or Dry SSES 56 Tel 01823 665660 www heronhill co uk 6 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 7 Hi POWER indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again to stop the ope
18. 170 to 1700 0 7 to 6 5 7 65 1 01 to 10 76 1800 170 to 2530 0 7 to 6 9 8 08 1 01 to 10 76 1900 170 to 2530 0 9 to 8 2 7 65 1 19 to 10 16 1800 200 to 2390 0 9 to 8 5 7 87 1 19 to 10 42 1850 200 to 2450 0 9 to 8 5 7 87 1 19 to 10 42 1850 200 to 2450 0 9 to 8 5 7 87 1 19 to 10 42 1850 200 to 2450 The above specification values are those under the conditions Cooling Indoor DB WB 27 19 C Heating Indoor DB 20 C Outdoor DB 35 C Outdoor DB WB 7 6 C D Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 2 1 Operation Characteristic Curve lt Cooling gt RAS M14GAV E RAS M14GACV E lt Heating gt RAS M14GAV E 8 8 Conditions 5 Indoor DB 20 C Outdoor DB 7 C WB 6 C Air flow High Pipe length 7 5m x 2 2 units oper 230V Current A A Current A E 2 Conditions S 2 Indoor DB 27 C WB 19 C Outdoor DB 35 C Air flow High 1 Pipe length 7 5m x 2 i 1 2 units operating 230V e 10 20 30 40 50 60 70 80 90 10 20 30 40 50 60 70 80 90 Compressor speed rps Compressor speed rps 2 2 2 Capacity Variation Ratio According to Temperature RAS M14GAV E RAS M14GACV E lt Cooling gt lt Cooling gt 115 105 e Conditions i i 100 Indoor DB 27 C i l 110 4 Outdoor DB 35 C i Indoor air flow High Pipe l
19. Blue 42 to 50kQ Under 20 C 11 10 5 Checking Method for Each Part Part name Checking procedure Electrolytic capacitor Turn OFF the power supply breaker For boost smoothing Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester o C12 C13 C14 Case that product is good Pointer swings once and returns slowly When performing test MCC 5009 once again under another Soldered polarity the pointer should return surface o C12 C13 C14 gt 760 F 400V Heat sink IGBT side Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in place 4 Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics 10 to 20 Q when the multimeter probe is reversed 96 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 11 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom e Outdoor fan motor does not rotate e Outdoor fan motor stops within several tens seconds though i
20. Indoor unit controller 1 Outdoor unit operation command Outdoor fan control 2 Fan speed gt 400 YES when the motor stopped NO OFF status of fan motor continues Fan motor ON 3 Fan lock NO YES Air conditioner Alarm OFF display 4 Motor operates as shown in the table below Cooling operation dry operation RAS M18GAV E RAS M18GACV E Compressor revolution rps To gt 38 C 28 lt To lt 38 15 lt To lt 28 10 lt To lt 15 5 5 lt To lt 10 Normal operation 0 lt To lt 5 5 Econo To gt 38 C operation To lt 38 C To is abnormal To Outdoor sensor temp C rpm RAS M14GAV E RAS M14GACV E Compressor revolution rps To gt 38 C 28 lt To lt 38 operation 10 lt To lt 15 5 5 lt To lt 10 0 lt To lt 5 5 Econo To gt 38 C operation To lt 38 C To is abnormal To Outdoor sensor temp C rpm Ape Tel 01823 665660 www heronhill co uk Description 1 The operation command sent from the remote controller is processed by the indoor unit controller and transferred to the controller of the outdoor unit 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locke
21. Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauge s pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid refrigerant For refrigerant charging see the figure below Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Water heat exchanger unit Outdoor unit Refrigerant cylinder EZ siphon Open close valve for charging Electronic balance for feral charging Service port Fig 3 4 1 Configuration of refrigerant charging 47 Tel 01823
22. Replace main P C board Change airflow level to HIGH Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and OC of motor connector CN10 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 6 and of motor connector CN10 Check this condition within 15 seconds after starting unit NO Replace bearing Is it possible to change airflow level to HIGH YES Is it possible to rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between 6 and of motor connector CN10 NO Fan motor operates normally 83 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P
23. TS 703 Sencor TO 706 Sencor TGa 707 Sencor TGb VK 708 Sencor TD 4 701 Sencor TE 702 Sencor TS 703 Sencor TO 704 Sencor TGa 4 705 Sencor TGb 4 708 Sencor TD 04 WAN A A A d d d 111111 zs The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No Location No Description Description 43050422 Sensor Heat Pump 43050430 Sensor TD 43050423 Sensor TS 43062228 Base PC board 43050427 Sensor TO 4306A130 Terminal Block 9P 43050431 Sensor TGa Heat Pump 4306S735 P C board Ass y MCC5009 43050432 Sensor TGb Heat Pump M14GAV E M14GACV E 43050428 Sensor TGa Cooling Only 4306S738 P C board Ass y MCC5015 43050429 Sensor TGb Cooling Only 4306S736 P C board Ass y MCC5009 M18GAV E M18GACV E 122 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Cord Heater Installation Work Applicable Models RAS M14GAV E RAS M18GAV E 1 Required parts for installation work Recommendation Appendix The above products conform to RoHS 2002 95 EC Therefore when procuring and using the following recom mended parts at local site it is recommended to confirm each part conforms to RoHS before use Part name Cord heater
24. and then to make connections to the outdoor unit However if outdoor work is difficult it is possible instead to make changes to the procedure For example by making adjustments to the wiring and piping lengths on the inside rather than the outside A place where the drain water does not cause any problems The outdoor unit should not be installed with one indoor unit only Be sure the outdoor unit is installed with at least two indoor units As shown in the figure position power cord and connecting cable downward and lead out along piping connection port J B S a 250 mm or more from wall Di D B Power cord Outdoor E A unitl Extension drain hose o Option RB 821SW A Fax 01823 665807 Heronhill for all your Toshiba requirements Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refil
25. trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid Remove the charging hose from the service port Securely tighten the caps on the packed valves Perform steps 1 through 8 above on each con nected indoor unit o o N Compound pressure gauge Pressure gauge 101 kPa 76 cmHg s TEMENE anitold valve Handle Hi Keep full closed Handle Lo Charge hose For R410A only m Charge hose Connecting pipe For R410A only 1 Vacuum pump adapter for counter flow prevention For R410A only Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin Fig 10 5 11 Tighten connections carefully between pipes and unit Evacuate the air in the connecting pipes using a VACUUM PUMP Check for gas leaks at all co
26. 13 Cooling only RAS M14GACV E 10 10 10 13 RAS M18GACV E 10 10 10 13 10 16 13 13 A 1 room connection is not an option for the indoor units you cannot connect only one indoor unit A 2 room connection must always be used for the indoor units you must connect two indoor units With the RAS M14GAV E and RAS M14GACV E outdoor unit models the 13 13 combination is not an option With the RAS M18GAV E and RAS M18GACV E outdoor unit models the 13 16 or 16 16 combination is not an option The contents noted in this service manual limit the indoor units to the RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E and RAS M16GKCVP E For other indoor units that can also be used in combination see the service manual of each indoor unit Indoor unit File No RAS M10GDV E RAS M10GDCV E RAS M13GDV E RAS M13GDCV E A05 010 RAS M16GDV E RAS M16GDCV E RAS M10GKV E RAS M10GKCV E RAS M13GKV E RAS M13GKCV E RAS M16GKV E RAS M16GKCV E Tel 01823 665660 ZE www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 1 Specifications lt Heat Pump Models gt RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M14GAV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Unit model RAS M14GAV E RAS M18GAV E Cooling capacity Cooling capacity range Heating capacity
27. 15 0 15 0 15 Power consumption 30 30 30 Power factor 91 87 83 91 87 83 91 87 83 Electric characteristics Outdoor 220V 230V 240V Unit model RAS M14GACV E RAS M18GACV E Operation mode Cooling Heating Cooli ng Heating Running current 4 87 4 64 4 44 7 12 6 80 6 50 Power consumption 1020 154 0 Power factor 95 98 Starting current 5 17 4 94 4 74 7 42 7 10 6 80 COP Cooling Heating 3 70 3 25 Indoor Operating noise Cooling Heating Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E High dB A 42 43 45 Medium dB A EIS 34 36 Low dB A E 27 29 Outdoor Cooling Heating Unit model RAS M14GACV E RAS M18GACV E 2 indoor units operating dB A 46 48 Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Indoor unit Dimension Height 250 E 3 250 250 Width 790 VK 790 790 Depth EIS EIS 215 215 215 Net weight 9 9 9 30 550 30 560 30 640 g9 Fan motor output Air flow rate Cooling Heating Ser VK 3 L Unit model RAS M14GACV E RAS M18GACV E Dimension Height 550 550 Width 780 780 Depth 3 313 31313
28. 5 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on power supply by pushing START STOP button on remote controller YES Unit operates normally Is fuse F01 of indoor control board blown Parts R04 R05 DB01 C01 C03 IC01 and T01 are defective Is voltage NO DC12V or 5V Does transmission mark on remote controller flash normally and is its signal transmitted properly YES indicated on rear of indoor control board normal Is DC310 340V supplied between Parts of a power supply circuit Check Item Considerable principle cause Item by symptoms NO Remote controller is defective Refer to 5 Troubleshooting for remote controller Replace main K P C board Does fan motor connector between CN10 short circuit Microcomputer is defective YES defective CN10 0 0 Replace fan motor e Be sure to disconnect the motor connector CN10 after shut off the power supply or it will be a cause of damage of the motor 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash NO YES Is wired correctly to white and black lead wires of terminal bloc
29. 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold OUTDOOR unit 1 Refrigerant cylinder Electronic balance R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies 3 5 Brazing of Pipes 3 5 1 Materials for Brazing 1 Fig 3 4 2 jueJOBIoY Cylinder without siphon Gauge manifold OUTDOOR unit apuljAo Siphon 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though 2 it excels in solderability Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spri
30. AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier SLEEP at www heronhill co uk Air purifier unit Infrared Rays 36 7kKHz p gt f Fax 01823 665807 Heronhill for all your Toshiba requirements 8 2 Outdoor Unit Inverter Assembly RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models SAIEA Ken y Jossaidwog 10 0W ue JOOpINO Ajuo po dwing jean be JO sisuel Jejodig a e5 pajejnsuy L uoH e NPOW UD Sand WMd SALA JOJOW SINd A IN d A eee eee ie i Jee E ov e 9a JOUSAU I 1 LOZAY AIS D S VT a ee 7 l NW d 40 WOU JOA U ov 201 oa amp Ov Josuas Jo JOUOAU JOUBAUOD yuana ynduy SION P OL sosues duer 11e 100p1NE l I NOW o uogeounwwos us H SL Josues l jds p 10114 duer uonong roum WO UO UO 1 i 104 u09 dwa ebieudsiq SAUP 9D Joye semod yH i a 4osues i i OlJU0D C N Wd dwa ebeyosiq l uonouny I USAUO ON See 101 u09 Aouanba y Indjno oui duet se6ueyoxe l I Ae JOOPINO U Now a91 a wun 1 NOW 0 UOUEOIUDUUUUOO euis i Josuas duet adid apis sep z 101 U09 u0 991109 JOEL 1 M0d UD i mom i i e91 y Wun BAUIP ayes 94u09 UE JCORMO l l Josues dwe JO4JUOD Delen Ua11Nd 1940 gd 1 d d apis se 1 yo9 9p JO4JUOD espala Vuen Indu 1 anal goun siseyuAs l l uonoun sisayjU
31. E 75 SZ 95 d a y a SG es ee er E S WEE 90 65 60 e Conditions s i Indoor DB 27 C WB 19 C i Indoor air flow High 55 _ Pipe length 7 5m x 2 2 units operating 50 e e aa ae eT 14 16 18 20 22 24 32 33 34 35 36 37 38 39 40 41 42 43 Indoor air wet bulb temp C Outdoor temp C x Capacity ratio 100 5 2 kW 11 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerat ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is necessary
32. E RAS B13GKVP E RAS M13GKCVP E RAS B16GKVP E RAS M16GKCVP E Air flow rate m3 h Fan speed rpm 38 Fan speed rpm m h www heronhill co uk Air flow rate Air flow rate m3 h Fan speed rpm Fax 01823 665807 Heronhill for all your Toshiba requirements tem Operation flow and applicable data etc Description 2 Indoor fan motor control HEAT ON Fan speed setup lt in heating operation gt Heat pump model MANUAL Indication Fan speed Es W8 L aa L M 2 M aal WA M al M H 2 H aail WE Min air flow rate control Limited to Min WD tap TC 842 C NO No limit Fan speed TC 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Basic fan control 1 When setting the fan speed to L L M M or H on the remote controller the operation is per formed with the constant speed shown in Fig 3 and Table 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set temperature and room temperature 3 Min air flow rate is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 4 4 Cold draft prevention the fan speed is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 6 Cold draft preventive control Line a
33. Remove the front panel P C board ass y e Remove the 2 fixing screws 3 Remove the electrical part base lt P C board layout gt ROS LO1 C01 CN23 FUSE R04 R01 CN10 IC01 C20 IC03 J04 106 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 12 3 Outdoor Unit Part name Common procedure Tel 01823 665660 Procedure 1 Detachment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 8L 1 pc e After removing screw remove the valve cover pulling it downward 3 Remove wiring cover ST1T 4 x 8L 2 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 8L 5 pcs e After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water proof cover The water proof cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 8L 5 pcs 3 Perform cabling of connecting cable and attach the wiring cover e Place the wiring cover over the opening used to work on the con necting wires of the side cabinet and secure it using the two fixing screws ST1T 4 x 8L 2 pcs At this p
34. VK 290 290 Net weight 36 40 Outdoor unit Compressor Motor output g9 amp 750 1100 Type Twin rotary type with DC inverter variable speed control Model DA111A1F 20F1 DA130A1F 25F Fan motor output 43 G 43 Air flow rate 1820 2100 Type Flare connection Flare connection Indoor unit Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Liquid side Gas side 6 35 9 52 6 35 9 52 6 35 O12 7 Outdoor unit Unit model RAS M14GACV E RAS M18GACV E Liquid side Gas side 6 35 9 52 6 35 9 52 Maximum length per unit Maximum length total Maximum chargeless length total Maximum height difference Additional refrigerant Name of refrigerant Weight Wiring connection Piping connection 20g m pipe length 21m to 30m R410A 0 90 20g m pipe length 21m to 30m R410A 1 20 3 Wires includes earth 4 Wires includes earth 21 to 32 0 to 27 5 to 43 10 to 24 RAS M13GKCVP E Power supply Interconnection Indoor Cooling Heating Outdoor Cooling Heating Unit model Installation plate Wireless remote controller Batteries Remote controller holder Zeolite plus filter Plasma pure filter Remote controller holder mounting screw Owner s manual Mounting screw 6 4 x 25L 6 4 x 25L 6 4 x 25L Installation manual 1 1 1 Unit
35. alphanumeric will be indicated on the display Alphanumeric characters are used for the check codes e All indicators on the indoor unit will flash 5 iss G is6 5 times per 1 sec His A h is B is C is D SES dis SS 3 Press START STOP button to release the service mode e The display of the remote controller returns to as it was before service mode was engaged 4 Time shortening method 1 Press SET button while pushing CHECK button 2 Press START STOP button Fig 11 4 1 79 Tel 01823 665660 www heronhill co uk Fax 01823 665807 11 4 2 Caution at Servicing Heronhill for all your Toshiba requirements 1 After servicing press the START STOP button to return to the normal mode 2 After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory 3 After servicing press CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 11 4 1 Operation of diagnosis function Check Block Indoor PC board etc Cause of operation Short circuit or discon nection of the room temperature sensor TA sensor Air conditioner status Operati
36. base plate by using P shape clamp and screws Self tapping screw type B 4 x 6mm stainless Pay attention to the direction of P shape clamp so The PVC tube must be inserted that it is set to the same direction in the left figure into the cord heater between the fixing screws in order to 8 g protect 8 cord heater from If the drain port is frozen due to installation these screws status etc draw around the cord heater so that Under no circumstances must the end part of the heater is inserted into the the tube be allowed to ride over drain port In this case add some fixing the tip of the fixing screws positions to fix the cord heater surely The end part from the marked part of the cord heater heats up When there is the heating part near the electric parts box a fire may generate Be sure to set the heating part on the outdoor unit base plate at the fan room side or near it within 20cm from the outdoor unit base plate Be careful that the cord heater does not hit the arked pa n IP marked part Fix the cord heater without any loosening or sag Drill a hole on the side cabinet R for fixing the thermostat fixing plate 5 hole at two positions When drilling a hole on the side cabinet R be sure not to damage the cabinet Side cabinet R Appendix 6 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix Photo Explanatory dia
37. cable for unit A for unit A Fig 10 5 13 N W t 10 y 10 yY 10 40 40 on ap Connecting Earth line cable Power cord Earth line Fig 10 5 14 Model RAS M 14GAV E 18GAV E 14GACV E 18GACV E 220 240 V 50 Hz Power source 220V 60 Hz Maximum 12A running current Installation fuse rating 25A D type G Power cord HO7RN F or 245IEC66 1 5 mm Connection HO7RN F or 2451EC66 1 0 mm cable 71 CAUTION Incorrect wiring connection may cause electri cal parts to burn out Be sure to comply with local regulations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Every wire must be securely connected This installation fuse 25A D type cs must be used for the power supply line If incorrect or incomplete wiring is carried out fire or smoke may result Prepare the power supply for the exclusive use of the air conditioner This product can be connected to the main breaker Connection to fixed wiring A switch which disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring when connect ing to a main breaker circuit Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 6 Grounding This air conditioner must be grounded without fail Grounding is necessary not only to safeg
38. controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse motor valve and 4 way valve according to the operation signal sent from the indoor unit 1 The power coupler of 4 way valve is usually turned off and it is turned on during defrost operation Only in heating Operation ON Setup of remote controller Indoor unit control Indoor fan motor control Louver control Sending of operation command signal Compressor revolution control Outdoor fan motor control 4 way valve control Outdoor unit control In cooling operation OFF In heating operation ON Pulse motor valve control S36 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc 1 Basic 4 AUTO operation 1 Detects the room temperature Ta when operation Selection of operation mode the operation started As shown in the following figure the operation starts by 2 Selects an operation mode from Ta in selecting automatically the status of room temperature the left figure Ta when starting AUTO operation 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating ope
39. dia of R410A copper pipe Conventional tool used tool used 1 0 to 1 5 1 0 to 1 5 1 0 to 1 5 Imperial Wing nut type 4 Outer dia of A copper pipe T 1 5 to 2 0 Die Pipe 1 5 to 2 0 Fig 10 5 6 2 0 to 2 5 e Flaring size B Unit mm Fig 10 5 7 Outer dia of copper pipe e In case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that of R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers Then tighten the nut with a wrench and torque wrench as shown in the figure Half union d Flare nut Externally Internally threaded side fo threaded side Use a wrench to secure Use a torque wrench to secure Fig 10 5 8 CAUTION e Do not apply excessive force Otherwise the nut may break Unit N m Outer dia of copper pipe Tightening torque 6 35 mm 14 to 18 1 4 to 1 8 kgfm 9 52 mm 33 to 42 3 3 to 4 2 kgf m 12 7 mm 50 to 62 5 0 to 6 2 kgfm e Tightening torque for connection of flare pipe The pressure of R410A is higher than R22 Approx 1 6 times Therefore securely tighten the flare pipes which connect the outdoor unit and the indoor unit with the specifie
40. error on the com Judges as an error and stops the compressor pressor and performs protective control Td value Control operation Reduce the compressor speed Operation Reduce slowly compressor speed Control of the compressor speed The speed control is performed as described in the left table based upon If the operation is performed with lower speed than one the discharge temperature commanded by the serial signal speed is slowly raised up to the commanded speed Keeps the compressor speed Operates with speed commanded by the serial signal A8 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc Description 14 Pulse motor This function controls throttle amount of the 1 When starting the operation move the valve P M V refrigerant in the refrigerating cycle valve once until it fits to the stopper control According to operating status of the air conditioner Initialize this function also controls the open degree of valve In this time Click sound may be with an expansion valve with pulse motor heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces Starting up sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed th
41. model RAS M14GACV E RAS M18GACV E Installation manual Specifications Drain nipple Water proof rubber cap e The RAS B16GKCVP E cannot be used in combination with the RAS M14GACV E e For performance when each indoor unit is combined with other unit refer to the separate table e The specifications may be subject to change without notice for purpose of improvement Usable temperature range RAS M10GKCVP E RAS M16GKCVP E Indoor unit 2 3 1 x 16L al o o o 4 p a a 2 3 1 x 16L 1 2 3 1 x 16L 1 Outdoor unit ae Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 2 Performance Specifications Combinations of Indoor Unit lt Cooling gt RASM14GAV E RAS M14GACV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode v status A B A kW A w 1 1 to 3 2 3 05 1 10 to 4 30 570 170 to 880 1 1 to 3 8 5 26 1 10 to 6 06 1100 170 to 1280 1 4 to 4 4 5 12 1 49 to 6 11 1070 230 to 1290 1 4 to 4 5 5 17 1 49 to 6 16 1080 230 to 1300 1 1 to 3 2 2 92 1 06 to 4 11 570 170 to 880 1 1 to 3 8 5 03 1 06 to 5 80 1100 170 to 1280 2 5 3 5 3 9 4 0 2 5 3 5 3 9 1 4 to 4 4 4 90 1 43 to 5 84 1070 230 to 1290 4 0 2 5 3 5 3 9 4 0 1 unit 2 units 1 uni
42. operation starts clean operation stops The clean operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller is received the S CLEAN indicator green on the main body lights and the clean operation starts Operation stops Neither the OPERATION indicator nor the TIMER indicator light 2 The period of the clean operation is determined by the duration of the operation performed prior to the e During clean operations The louver opens reception of the stop code slightly The indoor fan operates continuously at 3 After the clean operation has been a speed of 260 rpm performed for the specified period the Clean operation times unit stops operating Operation mode Operation time Clean operation time No clean operation Up to 10 minutes performed 0 minutes Cooling Auto cooling Dry From 10 minutes up to 1 hour 2 hours 1 hour or longer 4 hours Heating Auto heating Auto fan only No clean operation performed Shutdown e To stop an ongoing clean operation at any time Press the start stop button on the remote controller twice during the clean operation After pressing the button for the first time press it for the second time without delay within 10 minutes PD Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Item Operatio
43. plug it into wall outlet An approved K O K ee TC power supply cord and plug must be used NOTE e Perform wiring work being sure the wire length is Fig 10 3 4 long enough 5 mm dia hole 10 3 4 Wiring Connection How to connect the connecting cable Mounting screw 4 x 25L Wiring the connecting cable can be carried E out without removing the front panel Clip anchor oe abe n Sa local parts 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp Pig loss 3 Insert the connecting cable or as according to local regulations codes into the pipe hole on the wall CAUTION 4 Pull the connecting cable through the cable slot Failure to securely install the unit may result in on the rear panel so that it protrudes about personal injury and or property damage if the 15 cm out of the front unit falls 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws e In case of block brick concrete or similar type 6 Tightening torque 1 2 Nem 0 12 kgfem walls drill 5 mm dia holes in the wall e Insert clip anchors for the mounting screws 8 7 Secure the connecting cable with the cord clamp Attach the terminal cover rear plate bushing and NOTE air inlet grille on the indoor unit e Install the installation plate using mounting screws between 4 to 6 being sure to secure all four corners
44. port Vacuum pump connecting port Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm 10 13 12 7mm 16 Thickness 0 8mm 4 way valve STF 0108Z Temp measurement NOTE Heronhill for all your Toshiba requirements M13GKCVP E RAS M16GKCVP E Temp measurement exchanger E d D EI E SE 2S a SE bat Deoxidized copper pipe lt E de Both A and B room 23 2 e E 20m Pater dia 6 35mm SO 2 Charge 20g m Thickness 0 8mm St 21 to 30m Sectional shape T5 of heat insulator Oo I ec Ee E 3 Split capillary 3 2 2 x 200 Strainer Pulse motor valve at liquid side CAM B22YGTF 3 3 Split capillary Compressor 2 2 x 2006 DA111A1F 20F1 Outdoor heat i exchanger T2 CDn TO Propeller fan Refrigerant amount ec OUTDOOR UNIT NOTE mp Gas leak check position gt Refrigerant flow Cooling e The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g Tel 01823 665660 28 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 7 2 Operation Data lt Cooling gt RAS M14GAV E RAS M14GACV E Temperature Operating combination Heat exchanger condition C
45. stripped part through the thermal constringent tube 5 Cut the old sensor 100 mm length on the connector side and recycle that connector 6 Tear the lead wire in two on the con nector side and strip the covering part 7 Twist the leads on the connector and sensor sides and solder them 8 Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again box Remarks Cutting here Thermal 100 sensor part Connector Esc 200 Cutting here SSES Thermal constringent tube Cutting here 100 h x e Soldered part Doner Winding the color tape 1 Store the joint part of the sensor and the connector in the electric parts 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal 115 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Outdoor unit M
46. supply gas check gas leak also Unit operates normally during check If return serial signal does not stop between indoor terminal board 2 and 3 replace inverter PC board If signal stops between indoor terminal board 2 and 3 replace indoor P C board Fax 01823 665807 Heronhill for all your Toshiba requirements Operation of diagnosis function Air conditioner status All off Block distinction Check Judgment and action Remarks code Block Cause of operation Even if trying operation again all operations stop immediately Replace P C board Outdoor P C board Inverter over current protective circuit operates Short time Displayed when error is detected Position detect circuit All off Displayed when 1 Even if connecting lead wire of error or short circuit between windings of compressor error is detected compressor is removed position detect circuit error occurred Replace P C board Measure resistance between wires of compressor and perform short circuit Replace compressor All off Even if trying operation again all operations stop immediately Replace P C board Check 5 serial LED 1 Check sensors TE TS 2 Check P C board Current detect circuit error Displayed when error is detected asal wm All off Displayed when error is detected Being out of place disconnection or short circuit of the outdoor temp sens
47. the sensor onto the straight pipe part of gas side pipe Match the sensor protective tube colors with the pipe marking colors and install the sensors TGa is yellow and TGb is red Arrow E Detail D Detail B Detail A TO sensor TGa TGb sensor TS sensor TD sensor CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric shocks and or a fire After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions stid Tel 01823 665660 www heronhill co uk Fax 01823 665807 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD TGa TGb These are parts for servicing sensors Please check that the accessories shown in the right table are packed Tel 01823 665660 Heronhill for all your Toshiba requirements Procedure 1 Cut the sensor 100 mm longer than old one 2 Cut the protective tube after pulling out it 200 mm 3 Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part 4 Pass the
48. 18to 74 18to 75 13 to 75 13 to 80 16 to 84 16 to 85 Indoor unit B Outdoor unit 2 units 2 units 1 unit Heating 2 units 5 Current release This function prevents troubles on the electronic parts of the 1 The input current of the outdoor control compressor driving inverter unit is detected in the inverter This function also controls drive circuit of the compressor section of the outdoor unit speed so that electric power of the compressor drive circuit 2 According to the detected does not exceed the specified value outdoor temperature the specified value of the current is selected Outdoor temp To 3 Whether the current value exceeds the specified value or not is judged 4 If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range UNEN eee eee which does not exceed the Capacity control continues specified value Cooling current Heating current Outdoor temp release value release value Reduce compressor speed 42 Tel 01823 665660 www heronhill co uk Fax 01823 665807 6 Release protective control by tempera ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Tel 01823 665660 Heronhill for all your To
49. 2 C or more turn off the compressor lt Heating operation gt 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max o Hz the temperature zone in which the operation can be performed with Max 16Hz is gradually widened after 30 minutes passed when starting ECO operation 3 The louver position is set horizontally Standard cooling position when the room tem perature comes close to the set temperature or when 25 minutes passed after starting ECO operation Fax 01823 665807 Heronhill for all your Toshiba requirements olem O Operation flow and applicable data etc Description 11 Temporary Pressing RESET button starts the temporary 1 When pressing RESET button the operation operation of AUTO operation When keeping RE temporary AUTO operation starts SET button pressed for 10 seconds or more the 2 When keeping RESET button pressed temporary COOL operation is performed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed Filter lamp ON YES Press RESET button 3 When keeping RESET button pressed for 10 seconds or more Pi sound is NO heard and the temporary COOL e tion starts for 3 seconds or more Temporary AUTO operation 4 If the filter lamp goes on press RESET YES button to go off the filter lamp and then press RESET button again i YES SEH 5 To stop the temporary operat
50. 43062263 Cover E Parts B10GKVP E M10GKCVP E 43050425 Sensor TC F6 43068710 PC Board Ass y 43050426 Sensor TA B13GKVP E M13GKCVP E 4306S711 PC Board Ass y 4306S728 PC Board Ass y WRS LED B16GKVP E M16GKCVP E 43051346 SW Micro Ass y 43067115 Clamp Cord 119 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 13 2 Outdoor Unit 25 26 47 14 16 18 20 120 Fax 01823 665807 www heronhill co uk Tel 01823 665660 Heronhill for all your Toshiba requirements The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No 43005657 43005642 43005658 43005634 4301V035 4301V053 43042489 43119471 43062262 43041634 OO OO ON OAR WD a 43041635 43043750 43043752 37546845 43046442 43147196 43047401 43047676 43047677 43047679 43047680 43047674 43046444 43046443 Tel 01823 665660 Description Cabinet Front Cabinet Upper Cabinet Side Right Cabinet Side Left Guard Fan Guard Fin Base Ass y Cover Valve Packed Cover Wiring Ass y Compressor DA111A1F 20F1 RoHS M14GAV E M14GACV E Compressor DA130A1F 25F ROHS M18GAV E M18GACV E Condenser Ass y M14GAV E M14GACV E Condenser Ass y M18GAV E M18GACV E Valv
51. 50 C to 55 C the compressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 46 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 50 C or when it drops below to 46 C the capacity control operation returns to the usual control in heating operation R zone Fax 01823 665807 7 Winding Coil heating control Heronhill for all your Toshiba requirements Operation flow and applicable data etc When the outdoor temperature is low the windings coils are heated to ensure compressor reliability Outdoor temperature To Winding Coil heating amount OFF Description Winding Coil heating is performed when the following conditions are met Condition 1 When the discharge sensor temperature Td is less than 30 C Condition 2 When 2 hours or more have elapsed after cooling dry or heating operation stops Condition 3 When the outdoor sensor temperature To is as shown in the left figure 8 Defrost control Only in heating operation Start of 0 E 2 D D 2 D 2 ja D D C o x CO x lt E Sa w D x o e D g O This function removes frost adhered to the outdoor heat exchanger The temperature sensor of t
52. 65660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEAT REGISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CARE FUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIROR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PER SONNEL INJURIES INTHE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT WARNING Never modify this unit by removing any of the safety guards or bypass any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire sou
53. 77G or equivalent G or J type f 5277G Diode with rated voltage of 400V White or more is acceptable Terminal block Tester Normal time Voltage swings between DC15 and GU Inverter Assembly check 11 9 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started lt Check procedure gt Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective Miswiring of connecting wires of indoor outdoor units br Refer to the chart in 11 6 Clogging of pipe and coming off of TC sensor 86 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt 1C Disconnection of TGa sensor Discharge temp error TGb sensor P M V sensor error gas leakage Check dode 02 1C Chec
54. 823 665807 Heronhill for all your Toshiba requirements CAUTION 10 3 7 Drainage i Se 1 Run the drain hose at a downward sloped angle Bind the auxiliary pipes two and connecting cable with facing tape tightly NOTE In case of leftward piping and rear leftward e Hole should be made at a slight downward slant piping bind the auxiliary pipes two only with on the outdoor side facing tape Do not rise the drain hose Do not form the drain hose into the waved shape Sn X A g A AX X A y A LY Indoor unit Auxiliary pipes ON Connecting cable Fig 10 3 18 Installation plate AX Do not put the Do not put the drain Carefully arrange the pipes so that none of the ee CR dE Mi pipes stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the Fig 10 3 21 insulating tape wound on the connecting pipe to avoid double taping at the joint moreover 2 seal the joint with the vinyl tape etc Since condensation can result in machine 3 performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it Put water in the drain pan and make sure that the water is being drained outside When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie
55. AS B10GKVP E RAS B13GKVP E RAS B16GKVP E Installation plate Wireless remote controller Batteries Remote controller holder Zeolite plus filter Plasma pure filter Remote controller holder mounting screw 2 3 1 x 16L 2 3 1 x 16L Owner s manual Mounting screw 6 4 x 251 6 4 x 251 Installation manual P P Outdoor unit Unit model RAS M14GAV E RAS M18GAV E Installation manual Specifications Drain nipple Water proof rubber cap e The RAS B16GKVP E cannot be used in combination with the RAS M14GAV E e For performance when each indoor unit is combined with other unit refer to the separate table e The specifications may be subject to change without notice for purpose of improvement Tel 01823 665660 ips www heronhill co uk 7 1 2 Fax 01823 665807 Heronhill for all your Toshiba requirements lt Cooling Only Models gt RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M14GACV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Unit model RAS M14GACV E RAS M18GACV E Cooling capacity Cooling capacity range Heating capacity Heating capacity range Power supply 220 240 V 1 Ph 50Hz 220 V 1 Ph 60Hz Indoor 220V 230V 240V Unit model RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Running current 0
56. AS WM d l moa mag 8AI9001 DUES 8AI9081 NUaS Oeie pts l Wetz OW Du vun ial i a 3 d ANS 6005 990 1 i EE J L ZHO9 A 022 ZHOS A D un 100p nO WVHDVIG X018 IOHLNOD 32 Fax 01823 665807 www heronhill co uk Tel 01823 665660 Heronhill for all your Toshiba requirements 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 13 to 115 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse motor valve PM V Besides detecting revolution position of the compres sor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive acco
57. C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE e Do not disconnect the connector while the fan motor is rotating e Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board Measure voltage between GND BLACK and V line YELLOW of motor connector CN10 while indoor fan motor is rotating DC 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor 84 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Operation lamp on indoor unit is not indicated Push the START STOP button Is transmission NO mark indicated YES Is receiver on indoor unit exposed to direct sunlight Push RESET button on remote controller with tip of pencil Does indoor unit Is there a
58. Fan 4302C063 Motor Louver 4306A024 Cord Motor Louver 43039363 Band Motor Left 43039321 Base Bearing 43020346 Fan Cross Flow 43039314 Band Motor 43020253 Bearing 4301V028 Holder Pipe 43049701 Pipe Shield 1 43049698 Pipe Shield 2 43047671 Pipe Outlet 2 43047672 Pipe Outlet 1 1 B16GKVP E M16GKCVP E 43049674 Spring Suction 1 2 B10GKVP E B13GKVP E M10GKCVP E M13GKCVP E 43047673 Pipe Inlet 43044803 Evaporator 2 43044804 Evaporator 1 43039324 Guide Drain 43049728 Guide Drain Left 43019904 Holder Sensor 43049770 Holder Evaporator Right 43062256 Cover Terminal 43062247 Cover Lead 43082293 Plate Installation 4306S577 Remote Controller 43083071 Holder Remote Comtroller 43003307 Body Ass y Back 43070188 Hose Drain 43079268 Cap Drain 43080516 Electrical Air Purifying Filter 43080527 Generator Ass y HV 4308N732 Owner s Manual 118 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Indoor Unit 2 407 408 409 403 404 See CE LG LU Een 410 The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location Location Description No Description No 4306A123 Terminal Block 2P 4306S709 P C Board Ass y
59. Heronhill for all your Toshiba requirements TOSHIBA Eu ANS 48 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE lt Heat Pump Type gt lt Cooling OnlyType gt Indoor Unit Indoor Unit RAS B10GKVP E RAS M10GKCVP E RAS B13GKVP E RAS M13GKCVP E RAS B16GKVP E RAS M1I6GKCVP E Outdoor Unit Outdoor Unit RAS M14GAV E RAS M14GACV E RAS M18GAV E RAS M18GACV E HFC Tel 01823 665660 www heronhill co uk Fax 01823 665807 10 11 12 13 Cord Heater Installation Work Heronhill for all your Toshiba requirements CONTENTS SAFETY PRECAUTIONS cteeeeeeeeeeeeseneeeeeneeeeeeees SPECIFICATIONS ssevcsssesiseivetssstusecctisaesiiwmasretaccnelewweies REFRIGERANT R410A sven cacccniiccceststetescccccedasveneenernenes CONSTRUCTION VIEWS ccceteeeeeeeesseeeeeeneeeeeeeeeenens WIRING DIAGRAM 0 ce ccccseseeeeeeeeeeneeeeeeeseneeneeeeeenenenes SPECIFICATIONS OF ELECTRICAL PARTS REFRIGERANT CYCLE DIAGRAM eccesseseeeeee CONTROL BLOCK DIAGRAM ccsssseeeeseeeeteeeeeeees OPERATION DESCRIPTION 1 0 ceccceecesenseesneeeeneees INSTALLATION PROCEDURE csseseeeeereeeeeeeees HOW TO DIAGNOSE THE TROUBLE cceceecseseees HOW TO REPLACE THE MAIN PARTS cccceceeeees EXPLODED VIEWS AND PARTS LIST eesssseeeeeee ae Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for al
60. Indoor heat o B room exchanger ei INDOOR UNIT Temp measurement Sc ge lt aale Bes Ge S Per 1 unit Deoxidized copper pipe amp Max 20m P Pressure measurement 4 Both A and B room g a Ge ae Gauge attaching port Outer dia 6 35mm Sol Charge 20g m d SEA g g Vacuum pump connecting port Thickness 0 8mm bo S 21 to 30m Deoxidized copper pipe Sectional shape lt 5 Both A and B rooms of heat insulator Es dia 9 52mm 10 13 12 7mm 16 H Thickness 0 8mm O Split capillary 3 02 2 x 200 ot 4 way valve STF 0108Z Strainer Compressor DA111A1F 20F1 Outdoor heat exchanger Temp measurement T2 Propeller fan OUTDOOR UNIT NOTE NOTE valve at liquid side CAM B22YGTF 3 3 Split capillary 2 2 x 2006 a U U Pulse motor 1 U U U U U U U Refrigerant amount peog Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating e The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g D7 Tel 01823 665660 www heronhill co uk Fax 01823 665807 RAS M10GKCVP E RAS RAS M18GACV E To B room Indoor heat P Pressure measurement Gauge attaching
61. N MINATOKU TOKYO 108 0075 JAPAN Copyright 1999 to 2005 TOSHIBA CARRIER CORPORATION ALL Rights Reserved Tel 01823 665660 www heronhill co uk Fax 01823 665807
62. N If the unit is required to operate at this time press RESET button CA once more or use the remote controller to turn it on e When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down e While the filter check indicator is on the RESET button has the function of filter reset button 53 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off e When the system is on stand by not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds d The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times and continues to operate FILTER TIMER OPERATION If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off T R e When the system is operating Press RESET button for more than The unit is in operation three seconds Less than 10 seconds L The g
63. N PARTS WARNING e Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directl
64. a requirements Appendix 3 Cord heater installation wiring diagram Fuse Thermostat Cord heater Be sure to connect the fuse and the thermostat to LIVE side of the cord heater Outdoor unit Power supply for air conditioner Power supply for cord heater Earth leakage circuit breaker Earth leakage circuit breaker NOTE Separate the cord heater power from the air conditioner power and connect it to its exclusive breaker By doing so the power consumption can be decreased because the breaker can be turned off if there is no possibility of freezing of the base plate in cooling operation etc When the cord heater power is connected to the inverter P C board assembly or others without connected to the exclusive breaker the control P C board of the inverter assembly may cause a failure When the cord heater has been mounted on a base plate do not mount the water proof cap and drain nipple which are provided with the outdoor unit on the base plate Appendix 3 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix 4 Cord heater installation work procedure No Photo Explanatory diagram Procedure Remove each cabinet inverter assembly motor base assembly and partition board assembly Do not damage the electric parts such as ca
65. acitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100040W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500uUF 400V on PC board and then perform discharging Discharging position Discharging period 10 seconds or more Plug of soldering iron Inverter cover P C board Soldered surface g oi Fig 11 3 76 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air cond
66. aeeeeeaeeeeeeeeeeseeaaeeseaeeesseaeeeesaaeesseeeeeeeeaaes 40 Dee Ee In e EE 42 5 Current release control ecccccecceeceeeeeeeeeeeeeeeeaeeeeceaaeeeecaeeeeeeaaeeeceaaeesaaeeeseeeaeeesaaeseseeeeeeeeaeeess 42 6 Release protective control by temperature of indoor heat exchanger ssssssssssssesseessrrrsenns 43 7 Winding Coil heating contra 44 8 Defrost control Only in heating Operation cccccceeeeeeceeeeeeeeeeeeeeeeeeeeeseaaeeseaeeeeeneeeeeeaaeeee 44 GH Be ein te EE 45 17 Louver POSINOM sc eege irae eed Hagel ene tues ee T aE rA dagen 45 2 lge ee viel E Le Eu TTT 45 EE ME 45 10 e Ree EECH 46 11 Temporary Operation oone a a eter etna eae E E a E a a 47 J2 Air p r ymo TomT orean a E SE E AE EE E AAEN ERE ENY 47 Air purifying control Detection of abnormality AA 48 13 Discharge temperature Control 48 14 Pulse motor valve RM V contra 49 15 er E Tee e EE 50 16 Clear Operation release EE 51 17 Select switch on remote controller cccccccececeeeceeeeeeeeeeeeeceaaeeseeeaeeeeeneeeeesaeeeseaaeeeseeeeeessaeees 52 A t Restart F nNctON siiiu ionekane ege antuan anan enapan ananahi aneneen inen 53 9 3 1 How to Set the Auto Restart Function ccescessessseeseeeseeseesseeseeceeseeeeseeeeesneeseeesneneensneaees 53 9 3 2 How to Cancel the Auto Restart Function s sseusennreunreunrnnnenurenurnennnnnnnnnnnnnnnnnnennnennnnnne nnne 54 9 3 3 Power Failure During Timer Operation
67. ain P C board MCC 5009 116 Fax 01823 665807 www heronhill co uk Tel 01823 665660 Heronhill for all your Toshiba requirements Outdoor unit Sub P C board MCC 5015 03 bh d RW HS 14 i ChIL Liguid A CM1 Liquid 8 TE ERR nemi Ze E ap e S g za pai mera Tapeke Zealll ke ra 5 gt Sors pa De zi ole asi 12S g i G e ent IC FO oUWeN 13 AA E RO pr ELL 5 Rii o 015 03 COMPONENT ga E i z KZ i L3 Seg f t sel Seite ke ar on Lot CH O ee KOC Ep sg CO Bia gei mL C OH 117 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit 1 247 214 4 8 Wirt V dn a Sue ES LA The parts in the following parts list are conformed to RoHS Therefore be sure to use the following parts for repairing and replacing Location No Location No Description Description 43005633 Panel Ass y Front 43005610 Grille Air Inlet 4301V052 Plate Fix 43080512 Filter Air Right 43080521 Filter Air Left 43009675 Louver Horizontal 43009682 Louver Vertical 4302C067 Motor
68. alled in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contam
69. bles connectors etc while this work Remove the upper cabinet and the valve cover Related parts Screws list Used screw Part name Screw type Quantity 1 1 Upper cabinet 4 x 8 5 Valve cover 4 x 1 1 Remove the front cabinet the wiring cover and the water proof cover Related parts Screws list Used screw Part name e 1 2 Screw type Quantity Front cabinet 4 x 8 7 Wiring cover O4x8 2 Remove the side cabinet R L and the inverter Side cabinet L assembly Related parts Screws list Used screw Part name F Screw type Quantity 1 3 Side cabinet R 4 x 8 Side cabinet L 4 x 8 Inverter assembly 4 x 8 Remove the inverter assembly No Part name Connector No Connector color 1 TE sensor CN600 White 2 TD sensor CN601 White 3 TO sensor CN602 White 4 TS sensor CN603 White 1 4 Sea valve CN701 Yellow 6 PMV coil CN700 White 7 Fan motor CN300 White 8 compressor Intermediate connector White 9 age Intermediate connector White Tel 01823 665660 Appendix 4 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix Photo Explanatory diagram Procedure Remove the motor base assembly partition plate assembly a Motor base and the sound insulation board assembly es Related parts Screws list SY Partition plate assembly Used screw Part name Screw type Quantity Motor base assembly Including motor and fan O4 x8 2 Partition pla
70. ch Front panel closed YES Primary check when a signal is received NO YES NO NO Is DC12V applie between 4 and of CN33 of the main P C board MCC5020 YES To item Power supply is not turned on Micro switch is stuck Replace the main P C board MCC5020 Micro switch malfunction 1 Check operation while short circuiting CN34 of the main P C board 2 Perform air purifying operation by the remote controller e In this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour e While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body Replace micro switch e Conduction check of micro switch Push the switch gt Release the switch OFF Does the indoor fan rotate YES Does the PURE indicator Blue or NO To item Only indoor fan does not operate the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after it was ON and does
71. cility as specified by your municipality 74 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 HOW TO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure Troubleshooting Procedure Page First Confirmation Trouble Diagnosis by Outdoor LED Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller How to Check Simply the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor Check Code 1C and 1E Fan Motor is Good or Bad Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand The new inverter 3DV inverter will be incorporated starting with this unit 3DV 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor Fan motor
72. cove 7 10 3 6 Indoor Unit Installation 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks Drain hose Inside the room N Extension drain hose 2 Swing the indoor unit to right and left to confirm Fig 10 3 22 that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate CAUTION Pull the indoor unit toward you to confirm that it is Install the drain pipe for proper drainage firmly hooked on the installation plate Improper drainage can result in water dripping Hook here inside the room Installation pate This air conditioner has been designed to drain water collected from condensation which forms on Push unhook the back of the indoor unit to the drain pan Fig 10 3 19 Therefore do not locate the power cord and other parts at a high place than the drain guide e For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Wall Drain guide Space for pipes Push Push Fig 10 3 20 Fig 10 3 23 65 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 4 Which Models Can Be Combined Heat pump Table of models that can be connected Outdoor unit RAS M14GAV E RAS B10GKVP E Indoor unit RAS B13GKVP E
73. current release operation e Over current detection and prevention operation to IGBT module Compressor stop function e Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system e Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller e Detection of outdoor temperature and operation revolution control e Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller e Operation mode set on the remote controller e Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added e Temperature of indoor heat exchanger e For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Serial signal from outdoor unit cont
74. d 4 According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc 3 Outdoor fan Heating operation motor control 4 Operation is performed at the MAX revolutions shown in the left tables for 3 minutes after compressor operation starts and for 1 minute after defrosting operation ends 2 Following 1 above operation is performed at the outdoor unit fan revolutions shown in the left tables according to the outdoor heatexchanger sensor TE sensor temperature TE Zone A Zone A The fan revolutions are decreased by 100 rpm every 20 seconds to the MIN revolutions When Zone A operation continues for 5 minutes the compressor is stopped and then restarted The fan revolutions are decreased by 100 rpm every 20 seconds to the MIN revolutions The fan revolutions are decreased by 50 rpm every 20 seconds to the MIN revolutions The fan revolutions are maintained at the current revolutions The fan revolutions are increased by 50 rpm every 20 seconds to the MAX revolutions RAS M18GAV E Compressor revolution rps Fan revolution To gt 10 C Normal operation 5 5 lt To lt 10 5 lt To lt 5 5 To lt 5 To gt 10 C 5 5 lt To lt 10 5 lt To lt 5 5 To lt 5
75. d tightening torque using a torque wrench If any flare pipe is incorrectly connected it may cause not only a gas leakage but also trouble in the refrigeration cycle Flareat indoor unit side Flareat outdoor unit side Fig 10 5 9 69 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Connectable capacity class A B 10 13 10 13 10 13 16 10 13 16 x1 When connecting a capacity class 16 pipe to the indoor unit attach the expander which is avail able as an optional accessory to the 9 52 mm diameter packed valve of the outdoor unit Outdoor unit Fig 10 5 10 10 5 4 Evacuating After the piping has been connected to the indoor unit perform the air purge AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the vacuum pump manual IMPORTANT POINTS FOR PIPING WORK Keep dust and moisture from entering the pipes CAUTION Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A
76. diameter 05 9 Use equivalence with the above specifications 11 pieces are used to fix the cord heater to the outdoor unit base plate One piece is used to fix the power cord to the thermostat fixing plate One piece is used to fix the power cord to the terminal fixing plate Procured locally Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter 9 1 Use equivalence with the above specifications One piece is used to fix the cord heater to the outdoor unit base plate Procured locally Self tapping screw type B 4 x 6mm truss head stainless These screws are used to fix the cord heater to the outdoor unit base plate with P shape clamp Procured locally Self tapping screw type B 4 x 8mm truss head stainless Two screws are used to fix the thermostat fixing plate to the side cabinet R One screw is used to fix the power cord to the thermostat fixing plate One screw is used to fix the power cord to the terminal fixing plate Procured locally Self tapping screw type B 3 5 x 6mm pan head These screws are used to fix the thermostat to the thermostat fixing plate with the thermostat holder Procured locally Faston 250 They are used for the connecting part to the thermostat Procured locally Sleeve for Faston UL sleeve for 250 Procured locally Close end connector Tel 01823 665660 Use the most ap
77. e open degree of valve is adjusted accord ing to each setup conditions during Move to preparation for defrost and during defrost initial position operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the Compressor ON thermostat or by remote controller adjust the open degree of valve to the setup Discharge SH control temp control value before stop of the compressor PMV open degree control Stop by Room temp sensor remote controller Ta sensor control Power OFF Defrost SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Motor Valve A8 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Wen Operation flow and applicable data etc Description 15 Clean operation Purpose The clean operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside Ove EES ER Clean operation When the cooling or dry operation shuts down the unit automatically starts the Press STOP button clean operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Only S CLEAN indicator lights and clean
78. e Packed 6 35 Valve Packed 9 52 Bonnet 1 4 IN Bonnet 3 8 IN Nut Flare 6 35 Nut Flare 9 52 Cap Valve Packed 6 35 Cap Valve Packed 9 52 Cap Charge Port Valve 4 Way STF 0108Z RoHS M14GAV E M18GAV E Coil 4 Way valve M14GAV E M18GAV E Location No SE www heronhill co uk 37546848 37546849 43058277 4302C068 43020329 43047669 43039392 43004233 4301V063 43032441 43089160 4301P703 4301P729 43049749 43062176 43063321 43063322 43063325 43063320 43063339 43050407 43063317 43146448 43158192 Description Valve PM V CAM B22YGTF 3 Coil RM V CAM MD12TF 6 Reactor Motor Fan ICF 140 43 4R Fan Propeller PJ421 Nut Flange Base Motor Plate Partition Plate Fix Valve Packed Nipple Drain M14GAV E M18GAV E Cap Waterproof M14GAV E M18GAV E Mark TOSHIBA Mark Inverter Rubber Cushion Sleeve Flag Holder Sensor 04 8 9 52 Heat Pump Models TD TGa TGb Cooling Only Model TD Holder Sensor 06 11 4 12 7 TS Holder Sensor OG 6 35 8 Heat Pump Model TE Holder Sensor OG 8 9 52 Cooling Only Models TGa TGb Holder Sensor TO Thermostat Bimetal Holder Thermostat Capillary Inside 2 2 Reactor CH 43 Z Fax 01823 665807 Heronhill for all your Toshiba requirements 13 3 P C Board Layout 710 702 Sencor
79. e holders If installation is incomplete the FILTER indicator orange may light 3 Tighten two screws e Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 99 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Procedures Remarks High voltage 1 Follow to the procedure in the item generator 2 Remove the drain guide e 3 To remove the air ionizer from the back body pull it toward you while pressing down on its left and right claws Disconnect the two leads black connected to the air ionizer from where they are fitted into the other components Caution do not remove the Faston 4 Disconnect the connectors of the high voltage generator and disconnect the four leads from where they are fitted into the other compo nents 5 Remove the fixing screw which secures the high voltage generator and remove the high voltage generator from the evaporator Press the claw here lt How to assemble the high voltage generator gt 1 Insert the high voltage generator straight into the evaporator and secure it using the fixing screw Check weber he leads baue Deen completely inserted 2 Pass the leads of the high voltage generator through the area designated and insert them into its connectors 3 Attach the air ionizer to the back body and pass the two leads black through the area de
80. e length 0 54m Connecting pipe Connecting pipe g Outside Great Outside length 0 45m Flare 9 52 Flare 06 35 RAS B16GKVP E 12 7 RAS M16GKCVP E 12 7 WH HO3JE Minimum distance to wall Lower part hanging section Tel 01823 665660 Center line Stud bolt hole for 6 Parts name of 674 25 remote controller WH HO3JE Heat pump model Cooling only model Stud bolt hole for 8 to O10 Minimum distance to wall Outline of installation plate Center line of installation plate 304 2002 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 4 2 Outdoor Unit RAS M14GAV E RAS M18GAV E Heat pump models RAS M14GACV E RAS M18GACV E Cooling only models leg part Ge 25 drain hole 2 20x88 drain long hole 905 11 14U shape hole for 8 O10 anchor bolt 320 Anchor bort 306 long hole pitch 7 hole pitch 8 7 hole for fixing outdoor unit 11x14 long hole for 8 10 anchor bolt Packed valve cover 7 550 483 449 Charging port Fan guard 4 4 5 embossment Fin guard Connecting pipe port Pipe dia 6 35 Detailed leg part Connecting pipe po Pipe dia 9 52 When installing the outdoor unit leave open in at least two of directions A B C and D vie
81. eae and Unit Selen pipe temp Outdoor T1 C T2 C 0 7 to 0 9 11to13 43 to 45 units A P MPa Indoor Outdoor Compressor revolution rps 1 unit 0 9 to 1 1 8to11 47 to 49 0 9to1 1 14to16 47 to 49 2 units 0 9 to 1 1 14to 16 47 to 49 lt Heating gt RAS M14GAV E Temperature Operating combination ate No of A Standard condition C operating Unit pressure units A P MPa Heat exchanger pipe temp Outdoor fan T1 C T2 C 2 2 to 2 4 36 to 38 Indoor Outdoor Compressor revolution rps 1 unit 2 5 to 2 7 41 to 43 1 9 to 2 1 30 to 32 2 units 1 9to 2 1 30 to 32 Temperature Operating combination Heat exchanger condition C aan Unit Sha pipe temp Outdoor o fan units A P MPa T1 C T2 C 0 9to1 1 11to13 41 to 43 Indoor Outdoor Compressor revolution rps 0 8 to 1 0 8to10 45 to 47 0 8 to 1 0 7to 9 47to 49 0 9to1 1 11 to 13 48 to 50 0 9to1 1 11to13 48 to 50 2 units 0 9 to 1 1 11 to 13 48 to 50 0 9to1 1 11to13 48 to 50 lt Heating gt RAS M18GAV E Temperature Operating combination ate No of K Standard condition C operating Unit pressure units A P MPa Heat exchanger pipe temp Outdoor fan T1 C T2 C 3 2 to 3 4 44 to 46 Ind
82. ecessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Press the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down e When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds l The unit starts to operate The green indicator is on d After approx three seconds The unit beeps three times The green indicator flashes and continues to operate for 5 seconds RESET FILTER TIMER OPERATION RS If the unit is not required to operate at this time press RESET Nc button once more or use the remote controller to turn it off e When the unit is in operation Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds L The unit stops operating The green indicator is turned off L After approx three seconds The unit beeps three times The green indicator flashes FILTER TIMER OPERATION for 5 seconds E
83. ed first Heating Heating Pressed last Cooling dry Fan stopped Pressed first solo air purification Fan solo air purification Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last solo air purification Fan stopped Pressed first eaning operation Cleaning operation Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Cooling dry Cooling dry Pressed first Cooling dry Cooling dry Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last solo air purification Fan solo air purification Pressed first solo air purification Fan solo air purification Pressed last eaning operation Cleaning operation Pressed first eaning operation Cleaning operation Pressed last Heating Fan stopped Pressed first Heating Heating Pressed last eaning operation Fan stopped Cooling Heating Stopped Cooling Cooling Cooling Heating Stopped Heating Stopped Cooling Cooling Stopped Stopped Stopped Heating Cooling Heating operation The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred form the indoor
84. ed positions 113 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Procedure TE sensor outdoor heat exchanging temperature sensor e Attachment With the sensor leads pointing in the direction shown in the figure install the sensor onto the straight pipe part of the condenser output pipe Detail C for M18GAV E M18GACV E Detail C for M14GAV E M14GACV E TS sensor Suction pipe temperature sensor e Attachment With its leads pointing downward point the sensor in the direction of the packed valve and install it onto the straight Remarks Detail B Detail D Detail C e Shown in the above figure is the model M14GAV E e The sensor mounting positions in the model M18GAV E are all the same with the sole excep tion of the TE sensor Refer to i t of th ti ipe is ese a the figure shown on the left TD sensor Discharge pipe temperature sensor e Attachment With its leads pointed downward install the sensor facing dowmward onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor e Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger TGa TGb sensor Gas side pipe temperature sensor e Attachment With its leads pointing downward point the sensor in the direction of the front cabinet and install
85. ee types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air water heat pump installation Conventional air water heat pump installation Used tool Whether conven tional equipment can be used Existence of new equipment for R410A Whether new equipment can be used with conventional refrigerant Flare tool Pipe flaring Yes Note 1 O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Yes Note 1 Note 1 Torque wrench Connection of flare nut Yes x For 012 7 Gauge manifold Evacuating refrigerant charge run check etc Yes Charge hose Vacuum pump adapter Vacuum evacuating Yes Electronic balance for refrigerant charging Refrigerant charge Yes Refrigerant cylinder Refrigerant charge Yes Yes Note 2 Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 When flaring is carried out for R410A using the conventional flare tool
86. ength 7 5m x 2 2 units operating 105 z en BEE TEE 100 o T ee O KS E EE E E E Se O 2 95 i oO oO Oo O 5 f 9 3 fF hob e E o 90 e Conditions g5 EE E AN CPE nee Indoor DB 27 C WB 19 C Indoor air flow High Pipe length 7 5m x 2 2 units operating 14 16 18 20 22 24 32 33 34 35 36 37 38 39 40 41 42 43 Indoor air wet bulb temp C Outdoor temp C x Capacity ratio 100 4 0 kW BS Te Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 2 3 Operation Characteristic Curve lt Cooling gt RAS M18EAV E RAS M18EACV E lt Heating gt RAS M18EAV E 12 11 f 10 e Conditions Indoor DB 27 C WB 19 C Outdoor DB 35 C 9 Air flow High i Pipe length 7 5m x 2 i 8 2 units operating 230V T T T Se 5 5 oO Oe A le Conditions 3 1 Indoor DB 20 C 8 Outdoor DB 7 C WB 6 C 2 Air flow High Pipe length 7 5m x 2 2 units oper 1 230V O 10 20 30 40 50 60 70 80 90 0 20 40 60 80 100 120 140 Compressor speed rps Compressor speed rps 2 2 4 Capacity Variation Ratio According to Temperature RAS M18EAV E RAS M18EACV E lt Cooling gt lt Cooling gt 115 105 e Conditions i i Indoor DB 27 C 100 110 4 Outdoor DB 35 C ee E Indoor air flow High 95 Pipe length 7 5m x 2 i 2 units operating 105 90 gt 85 S 100 E w S 80 gt
87. eps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CN23 AC 220 240V 2 Between and of C03 DC 310 340V Between of C10 and output side of IC08 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter L01 resistor R05 or the diode DB01 is defective 1C01 IC08 and T01 are defective IC01 IC08 and T01 are defective IC01 IC08 ICO7 and T01 are defective Push START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN21 and No 1 of CN23 DC 15 60V IC03 and IC04 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN13 is defective Push START STOP button once to start the unit e Shorten the restart delay timer e Set the operation mode to COOL e Set the fan speed level to AUTO e Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition 1 Check whether or not the com pressor operates 2 Check whether or not the OP ERATION indicator flashes The tem
88. er source for exclusive use with the air conditioner Proceed as follows when connecting the product to the mains power e Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa tion of at least 3 mm must be incorporated into the fixed wiring Utilize only approved short circuit breakers and switches A breaker having sensitivity of approxi mately 0 1 second or less and capacity of approximately 30 mA is usually used 10 7 1 Miswiring Mis piping Check Make sure that the wiring and piping for each room have the same alphabetical code A B Connect and secure the power cord Use the power cord cables with thickness type and protective devices specified in this manual Insulate the unused cords conductors with PVC tape 1 Turn on the electrical power breaker 2 Operate the indoor unit in cooling mode 3 Start checks Run the indoor unit in room A and confirm cool air blows out Confirm the indoor unit in room B is not run ning Also check at this time that refrigerant which can be heard is not flowing Stop operation of the indoor unit in room A and execute the same checks on the indoor unit in room B 72 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 8 Test Operation 10 8 4 Remote Controller Selector Switch 10 8 1 Gas Leak Test Setting e Check the fla
89. ethod 2 or 3 to diagnose the details of troubles 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Block display Description for self diagnosis OPERATION Green Indoor indication Flashing display 1 Hz lamp flashes Power failure when power is ON OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board Which lamp does flash OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz NOTES 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing 78 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 4 Self Diagnosis by Remote Contro
90. for all your Toshiba requirements 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Parts name Fan motor for indoor MF 280 30 5R Specifications DC280 340V 30W Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10kQ at 25 C Louver motor 6 2 Outdoor Unit Output Rated 1W 16 poles DC12V RAS M14GAV E RAS M18GAV E RAS M14GACV E RAS M18GACV E Parts name SC coil Noise filter L03 Model name ADR2520 R15TB or SC 20 01J A AC 250V 20A 0 15mH SC coil Noise filter L01 ADR25H 200R8TB AC 250V 20A 0 88mH DC DC transformer SWT 72 or SWT 83 Primary side DC 280VSecondary side 7 5V x 1 13V x 126 5V x 3 16V x 1 15V x 1 Fan motor For outdoor ICF 140 43 4R DC 140V 43W Relay 4 way valve G5N 1A Coil DC 12V Contact 2A AC250V Relay Power relay DI12D1 O or G4A 1A PE Coil DC 12V Contact 20A AC250V Discharge temp sensor TD sensor Inverter attached 64kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C TGa sensor Heat pump models Inverter attached 64kQ 25 C TGb sensor Heat pump models Inverter attached 64kQ 25 C TGa sensor Cooling only models Inverter attached 10kQ 25 C
91. gram Procedure Rework the side cabinet L to remove part of it Side cabinet L The area to be removed is indicated by the shaded lines in the left figure After removing part of the side cabinet L deburr the edges of the side cabinet L Perform end process and bundling of each cable Using fixing screws Self tapping screw type B 03 5 x 6mm fix the thermostat to the thermostat fixing Close end connector Thermostat plate insulation tape P J 5 Perform end process for various lead cables and connect them according to the wiring diagram Attach 250 Faston and UL approved sleeves each to the end of lead cables which are connected to the thermostat EE ara heater i Using insulation tape apply protective measures to ne Transparen 8 fixing plate fans cover side the connected parts by the close end connectors L side Using P shape clamp and the screws Self tapping screw type B 4 x 8mm fix the power cord to the P shape clamp Fuse thermostat fixing plate Fuse holder When the power cord size does not match with P shape clamp procure the most appropriate one at the local site Appendix 7 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix Assembly Return a set of the refrigeration cycle assembly into the outdoor unit base plate and reassemble sound insulation board partition plate assembly fan motor assembly and side cab
92. hat the outdoor temperature is 0 C or lower drainage of defrosted water may be difficult due to freezing of the bottom plate resulting in a trouble of the cabinet or fan It is recommended to procure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer A Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 SPECIFICATIONS The indoor and outdoor units that can be used in combination are shown in the tables below Table of models that can be connected Heat pump Outdoor unit RAS M14GAV E RAS B10GKVP E Indoor unit RAS B13GKVP E RAS M10GKV E RAS M13GKV E RAS M10GDV E RAS M13GDV E RAS M18GAV E RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKV E RAS M13GKV E RAS M16GKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E Cooling only RAS M14GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M10GDCV E RAS M13GDCV E RAS M18GACV E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E RAS M10GKCV E RAS M13GKCV E RAS M16GKCV E RAS M10GDCV E Table of models that can be used in combination Heat pump Outdoor unit RAS M14GAV E RAS M13GDCV E RAS M16GDCV E Combinations of indoor unit models that can be connected 10 10 10 13 RAS M18GAV E 10 10 10 13 10 16 13
93. he horizontal louver moves to the Hi POWER position automatically Then when the difference between them gets smaller the horizontal louver returns automatically 3 Heating operation e The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change 4 The Hi POWER mode can not be set in Dry operation 9 7 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation While heating operation is executed in two rooms if room temperature reached the setup temperature in one room and thermo off occurred the following operations start Refer to the figure below 1 The indoor unit of the room A room in which thermo off did not occur starts a continuous operation with the setup number of revolution 2 The indoor unit of the room B room in which thermo off occurred starts intermittent operation of the indoor fan The indoor fan operates with number of revolution of UL or SUL Fan ON time is 2 minutes and Fan OFF time is 2 to 4 minutes However if temperature of the indoor heat exchanger becomes over 55 C or more in B room the indoor fan stops the intermittent operation and starts continuous operation While heating operation is executed in two rooms if room temperature reached the setup temperature in both rooms and thermo off occurred both indoor units start intermittent operation of the indoor fan A room Thermo ON continues 0
94. he main body and the inverter box 5 Remove the front cabinet by performing step 1 in and remove the fixing screws ST1T 4 x 8L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector 109 www heronhill co uk Remarks Inverter cover P C board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron A screw l STIT 4X8MSZN Terminal block Put the compressor Put each leads leads through the hole through the hole The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to remove the connector by holding the connector not by pulling the lead wire Fax 01823 665807 Part name Control board assembly Tel 01823 665660 Heronhill for all your Toshiba requirements Procedure 1 Disconnect the leads and connectors connected to the other parts from the control board assembly 1 Leads e 3 leads black white orange connected to terminal block e Lead connected to compressor Disconnect the connector 3P e Lead connected to reactor Disconnect the two connectors 2P 2 Connectors
95. he outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system heating operation Operation time 1015 Minute oz 40 The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te Table 1 When Ten TE gt 2 5 continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts Tel 01823 665660 When TeO TE 3 continued for 2 minutes in C zone defrost operation starts 44 www heronhill co uk The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B or C zone each Table 1 lt Defrost operation gt e Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert OFF 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan lt Finish of defrost operation gt e Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or h
96. he remote controller cover and remove the batteries 2 Cut the jumper wire inside the battery compartment using nippers e The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller 3 Insert the batteries B appears in the remote controller display Even after the jumper wire has been cut switching between A and B is still possible by pressing the CHECK button and FIX button together The A or B setting which was switched by pressing the CHECK button and FIX button together is restored to the setting established prior to the switching when the battery is replaced or the RESET button is pressed Seiting the selector switch on the main unit e Remove the front panel and then set the selector switch to B e After making the switch setting remount the front panel Position of remote controller selector switch Selector switch 52 Fax 01823 665807 Heronhill for all your Toshiba requirements 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is n
97. he side cabinet right into the square hole in the front cabinet 3 Return the screws that were removed above to their original positions and attach them 108 Tel 01823 665660 www heronhill co uk Remarks Square hole Concave section Fax 01823 665807 Part name Inverter assembly Tel 01823 665660 Heronhill for all your Toshiba requirements Procedure 1 Perform work of item 1 in 2 Remove screw ST1T 4 x 8L 2 pcs of the upper part of the front cabinet e If removing the inverter cover in this condition P C board can be checked e If there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 100240W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF on PC board Be careful to discharge the capacitor because the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between polarity with screwdriver etc for discharging 4 Remove screw ST1T 4 x 8L 2 pcs fixing t
98. hose polyethylene foam 6 mm thick Attachment bolt arrangement of outdoor unit Elongated drain hol e Secure the outdoor unit with the attachment bolts and nuts if Re the unit is likely to be exposed to a strong wind e Use 8 mm or O10 mm anchor bolts and nuts If it is necessary to drain the defrost water attach drain nipple to the base plate of the outdoor unit before installing it 10 2 2 Accessory and Installation Parts Part No Part name Q ty Part No Part name Q ty Part No Part name Q ty Drain nipple x 1 Heat pump models only gt e Water proof rubber cap x 2 Wireless remote control x 1 Plasma pure filter x 1 Heat pump models only Parts marked with asterisk are packaged with the outdoor unit J uum Battery x 2 Mounting screw 4 x 25L x 6 lt Others gt Hz Owner s manual Indoor unit Remote control Installation manual Indoor unit holder mounting screw Remote control holder x 1 3 1 x 16L x 2 Installation manual Outdoor unit This model is not equipped with an extension drain hose Specifications Outdoor unit 59 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged acciden
99. iba requirements Operation flow and applicable data etc lt in cooling operation gt This operation controls the fan speed at indoor unit side The indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respec tively Table 1 MANUAL Indication Fan speed L W6 L e L M 2 M Wo MA HI Air volume AUTO M WB WC 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Description Symbols UH Ultra High H High M Medium M Medium L Low L Low L Low UL Ultra Low SUL Super Ultra Low The fan speed broadly varies due to position of the louver etc The described value indicates one under condition of inclining downward blowing 1 When setting the fan speed to L L M M or H on the remote controller the operation is performed with the constant speed shown in Fig 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature Table 1 Indoor fan air flow rate Fan speed level Tel 01823 665660 RAS B10GKVP E RAS M10GKCVP
100. igher for 80 seconds 3 Defrost operation continues for 15 minutes lt Returning from defrost operation gt 1 Stop operation of the compressor for approx 50 seconds 2 Invert ON 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts Fax 01823 665807 Heronhill for all your Toshiba requirements 9 Louver control 1 Louver position lt A Operation flow and applicable data etc 1 Louver position in cooling operation This function controls the air direction of the indoor unit e The position is automatically controlled according to the operation mode COOL HEAT e The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling heating memory position The angle of the louver is indicated as the horizontal angle is 0 When the louver closes fully it directs approx 49 upward Horizontal 0 Louver angle Powerful Room temp Ta lt Set temp Tsc 3 5 lt A Room temp Ta Set temp Tsc 3 5 lt A Initial setting of Cooling storage position Louver Directs downward 9 Cooling AUTO COOL DRY operation Cooling memory position Initial setting of Cooling storage position Louver Directs downward 9 Room temp 2 Set temp 3 5 position Inclined b
101. inants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market 243 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Table 3 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter copper pipe jointed mm mm 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water o
102. inet R L as original Fix the thermostat fixing plate to the side cabinet R built in the inverter assembly and then connect various cables After then incorporate front cabinet upper cabinet wiring cover and valve cover as before Return a set of the refrigeration cycle assembly into the outdoor unit base plate and assemble sound insulation board partition plate assembly fan motor assembly and side cabinet R L as original Using screws Self tapping screw type B 4 x 8mm stainless fix the thermostat fixing plate to the side cabinet R After incorporating the inverter assembly as before furthermore perform cable process for cord heater and power cord For the cord heater perform cable process so that there Perform cable process for collected is no looseness or sag at the fan side EE Perform cable process for the cord heater together with the fan motor lead cable and collect the remained part of cables at cable process part of the inverter Secure the power cord for the cord heater to the terminal block mounting plate using the P shape clamp and pull it out from the wiring area of the side cabinet R Check that there is the marked part of the cord heater on the outdoor unit base plate or near it When there is the heating part near the electric parts box a fire may generate Since the lead wires connected to the cord heater and thermostat may come into contact with the edges of the To keep
103. inutes respectively after the operation has started The set value of the remote controller should be below the room temperature If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote controller is consumed or not In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control Tel 01823 665660 Cool Dry or Heat operation cannot be performed www heronhill co uk When the unit in other room operates previously in different mode Fan Only operation is performed be cause of first push priority control Cool operation and Dry operation can be concurrectly performed 7 Fax 01823 665807 Heronhill for all your Toshiba requirements 11 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the m
104. ion press the button again NO Switch to AUTO RESTART control Temporary COOL Operation 12 Air purifying This function generates nagative ion while cleaning the air in the room control If air purifier ON signal is received while the air conditioner stops the air purifier starts operation and if it is received while the air conditioner operates the air conditioner and the air purifier start operation The air ion generator operates linked with the air purifying operation D s Operation button When the previous operation was the R r operation of air conditioner air purifier Present status PURE button Air conditioner an operation of air conditioner air purifier Stop Air purifier AC operation starts by pushing AC button on the remote Air purifier only Stop All AC Air purifier controller l 8 cane ns Air conditioner AC Air purifier All stop Operation of air conditioner air purifier is stored in memory Joint use of AC and air purifier AC operation All stop 1 Swing is available po Langer JL an speed 2 2 Fan speed is Fan Auto mode varies in Air purifying operation Cooling position AUTO L L M M H order M 1 gt L gt L gt SL AC Air purifying operation Follows to AC operation Follows to AC operation Sending air purifier ON Sending air purifier OFF Ge G G Air conditioner stops Air conditioner operates Air purifier operate
105. isconnect the connector for fan motor from the inverter 5 Remove the fixing screws 2 pc holding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem Tel 01823 665660 EE www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Procedure Remarks Compressor 1 Perform work of item 1 of and 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 8L 3 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor and the comp thermo assembly from the terminal 6 Remove pipe connected to the compressor with a burner e Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST1T 4 x 8L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x 8L 1 pc 9 Pull upward the refrigeration cycle 10 Remove BOLT 3 pcs fixing the compres sor to the bottom plate Precautions when assembling the com pressor Tighten the compressor bolts using a tightening torque of 4 9 Nem Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactor ST1T 4 x 8L 4 pcs Reactors EES
106. itioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for controlling and main taining of air conditioner Table 11 1 1 Operation of air conditioner When power breaker is turned ONT the OPWRATION indicator Green of the indoor unit flashes Description The OPERATION indicator of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 m
107. its and for the remote controller See below for details Both indoor units start operation Purpose This operation is to operate only one indoor unit using one remote controller Description When operating one indoor unit in a situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating Operation Unnecessary set Remote controller select The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control ler also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display ipower Eco memo 1 3 5 9H sung Fx Fan feuer Jumper wire Gur Ger CLOCK O v RESET O CHECK O Cutting direction EA When switching between settings A and B always switch the indoor unit board and the remote controller as a pair Otherwise the indoor unit will not accept the remote controller s signals Tel 01823 665660 www heronhill co uk Seiting the remote controller Switching between A and B is enabled by cutting the jumper wire inside the battery box using pliers 1 Slide open t
108. k To item of Power supply is not turned on 82 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage AC220 240V between and on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor YES continue to operate NO Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 1V or more between and O of motor connector CN10 NO Replace indoor fan motor Is it possible to detect DC 310 340V between and of motor connector CN10 NO Does indoor erate s e Turn off indoor unit and remove Motor connection condition connector from motor Is it possible to detect DC 15V Then push START STOP button between and of on remote controller to stop motor connector CN10 flashing lamp on indoor unit Is it possible to detect DC 15V between Q and of motor connector CN10
109. k code 03 1E Miswiring in indoor outdoor units gas leakage disconnection of TS TC sensors Check code 02 1C connectiong cable in A B rooms Check Item of indoor outdoor rooms YES Considerable principle cause Is there miswiring of NO Measures Replace cables in A B rooms of outdoor terminal block Valve drive check Is coil of the pulse motor valve NO Set it correctly P M V correctly set YES Is connecter of coil connected to inverter NO Set it correctly Are connections of A B rooms correct YES NO Replace coil valve Set it correctly Item by symptoms Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC A room gas side temp sensor TGa B room gas side temp sensor TGb and outdoor suction temp sensor TS Gas amount check and valve clogging check Check them when operation is performed is only one of A or B room Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Beep s
110. l DA111A1F 20F Red White White Black 0 88 to 0 98Q Black Red Under 20 C Compressor Measure the resistance value of winding by using the tester Model DA130A1F 25F Red White White Black 0 69 to 77Q Black Red White Black Under 20 C Outdoor fan motor Measure the resistance value of winding by using the tester Model ICF 140 43 4R Red Red White White Black 17 to 25kQ Black Red White Black Compressor thermo bimetal type Check conduction by using the tester Model US 622KXTMQO SS 95 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Checking procedure ROutdoor temperature sensor Disconnect the connector and measure resistance value with the tester TO discharge temperature Normal temperature sensor TD suction tempera ture sensor TS outdoor heat exchanger temperature sensor TE TD kQ A room gas side temperature TGa TGb Cooling only sensor TGa B room gas TO TE TS kQ side temerature sensor TGb TGa TGb Heat Pump kQ 4 way valve coil Measure the resistance value of winding by using the tester Model VHV Je 1435 144 Q Under 20 C Pulse motor valve coil Measure the resistance value of winding by using the tester Model CAM MD12TF 6 Red White White Orange Blown Yelloow Blown
111. l display indicators go on for approx 3 seconds the high voltage is not applied to electrode of the air purifier for approx 1 hour e While the air purifier operates check that the fan speed AUTO is not displayed NO Does the indoor fan rotate YES Does the PURE indicator Blue or NO the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after YES it was ON and does the FILTER indicator Orange go on Referring to the right figure check the high voltage output of the air ionizer In this time peel the thermal insulator and attach x DI c CH d Q O it to the original position after check operation NOTE Use an exclusive high voltage tester otherwise the tester may be broken Does the electrode YES output approx 6kV No trouble Replace the high voltage generator kej zZ zZ O O 90 Tel 01823 665660 www heronhill co uk Replace micro switch e Conduction check of micro switch Push the switch ON gt ON Release the switch To item Only indoor fan does not operate Replace the main P C board MCC5020 To item How to check whether the air purifier is good or not How to check output of minus ion lt Caution on High Voltage gt high voltage unit Vi C y Km High voltage tester Fax 01823 665807 Heronhill for all your Toshiba
112. l your Toshiba requirements 1 SAFETY PRECAUTIONS For general public use Power supply cord of outdoor unit shall be more than 1 5 mm 2 HO7RN F or 245IEC66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precautions described below include the important items regarding safety Observe them without fail After the servicing work perform a trial operation to check for any problem Turn off the main power supply switch or breaker before the unit maintenance CAUTION New Refrigerant Air Conditioner Installation e THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the
113. ler Air purifier unit Micro Switch Infrared Rays 36 7kHz i a Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT Thermo Setting Fan Speed Selection ON TIMER Setting Louver AUTO Swing Louver Direction Setting EC O Hi POWER Air Purifier OFF TIMER Setting SLEEP Fax 01823 665807 Heronhill for all your Toshiba requirements RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Functions Heat Exchanger Sensor Indoor Unit Control Unit e 3 minute Delay at Restart for Compressor Louver Motor Tc Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication J Clock Frequency Oscillator Circuit Power Supply Circuit Converter D C circuit ZN j Louver Motor e Processing e Timer e Serial Signal Communication e Clean Function e Fan Motor Starting Control Temperature Processing Indoor Fan Le Motor Control Drive Control Serial Signal Transmitter Receiver Noise Filter oe el From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER Tel 01823 665660 Serial Signal Communication Operation Command and Information Remote Controller Operation START STOP Operation Mode Selection AUTO COOL DRY Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver
114. ling the refrigerant Since the refrigerant is in liquid form it can fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually CAUTION Install the outdoor unit without anything blocking the discharging air When the outdoor unit is installed in a place always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield Especially in windy areas install the unit to prevent the admission of wind Installation in the following places may result in trouble Do not install the unit in such places e A place full of machine oil e A saline place such as the coast e A place full of sulfide gas e A place where high frequency waves are likely to be generated such as from audio equipment welders and medical equip ment Fig 10 5 2 10 5 2 Draining the Water e Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall follow the steps below to drain off the water 1 Proceed with water proofing by installing the water proof rubber caps in the 2 elongated holes on the base plate of the outdoor unit How to install the water proof rubber caps 1 Place four fingers into each cap and insert the caps i
115. ller Check Code 1 2 If the lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller When the remote controller is set to the service mode the indoor controller diagnoses the operation condi tion and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes GHz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode Se 1 Press CHECK button with a tip of pencil to set the remote controller to the service mode d Vegan gece e sur is indicated on the display of the remote ESETO CHECKO controller Press ON A or OFF el button ot If there is no fault with a code the indoor unit will beep keluron O HOF fi once Beep and the display of the remote controller will ET i change as follows id gt di gt Be ee d gt E gt ji e The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes ff to 77 as shown in Table 11 4 1 e Press ON A or OFF el button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of the remote controller e 2 digits
116. lowing 2 Louver position in heating operation Heating operation AUTO HEAT A Cooling memory Inclined blowing Louver Directs downward 14 Room temp gt Set temp 3 5 ECO operation Room temp Ta lt Set temp Tsc 3 or 25 minutes after start of operation E Room temp Ta gt Set temp Tsc 3 A Initial setting of Heating storage position Louver Directs downward 76 Heating operation Heating memory position 2 Air direction adjustment Inclined blowing Horizontal blowing Heating storage position Louver Directs downward 76 Horizontal position Room temp gt NO Set temp 3 0 YES position Inclined blowing Blowing downward Heating memory Horizontal blowing Cooling storage position Louver Directs downward 9 Room temp Set temp 3 0 e The louver position can be arbitrarily set up by pressing FIX button LACA beer Mise A e Swing operation is performed in width 35 with the stop position as the center e If the stop position exceeds either upper or lower limit position swing operation is performed in width 35 from the limit which the stop position exceeded Tel 01823 665660 45 www heronhill co uk e Swing When pressing SWING button during operation the louver starts swinging
117. mp sensor TE fault Suction pipe temp sensor TS fault Discharge pipe temp sensor TD fault Trouble on outdoor fan Outdoor temp sensor TO fault Trouble on compressor system Gas side pipe temp sensor a TGa fault Gas side pipe temp sensor b TGb fault TGa TGb sensor out of place P M V fault Communication trouble between M C U Compressor lock BE DESE SESE DE JK BE AE DE DK BK AK DE JE Trouble on discharge temp Gas leakage AL IO e anae NOLL WI IERT WH MET WAT HIE Compressor break down nities Onin ROL HIEL HI Et LED ON LED OFF Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 8 Troubleshooting 11 8 1 How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash N YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DG12V applied between 1 Red DC12V and Brown GND of CN1 of the high voltage generator YES Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened NO Is there conduction of micro switch connector under ON status of the micro swit
118. n The sequence that FILTER indicator is Filter lamp ON Error input ne turned on are described in the left flowchart XES 1 When 1000H timer counts up the Purifier power OFF FILTER indicator keeps lighting even if the operation is stopped by the remote controller The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on 1 Reset by RESET button the indoor unit or a power failure 2 Reset by RESET button or by the stop direction FILTER indicator goes off from the remote controller 2 A trouble detected within 1 minute When the breaker is turned ON In restart time after activation of the air is immedi after power failure or RESET button is pressed ately judged as an error and the while the FILTER indicator is turned on the air FILTER indicator goes on purifier is not turned on until the integrated 3 In case that 1 minute passed after operation time of the indoor fan exceeds 1 hour activation of the purifier the purifier is after operation start It is nor the air purifier turned off while the PURE indicator operation time keeps ON After 10 minutes passed It is the safety measures considering an incom restart the purifier and an error is plete drain when electric dust collector has been judged again cleaned with water Purifier power OFF 13 Discharge temperature control Purpose This function detects error on the refrigerating cycle or
119. n flow and applicable data etc 16 Clean operation Setting the clean operation release release Add J04 of the indoor P C board assembly J04 will be near the MCU so take This cancels the auto restart function steps to ensure that it will not be exposed to excessive levels of heat Also take care to avoid solder Hold down the auto operation switch on the indoor unit bridging with the surrounding for at least 3 seconds but not more than 10 seconds components The indoor unit s buzzer emits three beeps and the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation release setting Setting the clean operation Cut J04 of the indoor P C board This step may be skipped if the auto restart function is not required Hold down the auto operation switch on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps and the OPERATION indicator flashes at 5 Hz intervals This completes the clean operation setting Indoor P C board CNO3 gt CNO1 CNO8 E R3 D OS emt OoOO C21 C11 C24 C20 BI Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements en Operation flow and applicable data etc Description 17 Select switch on remote controller Press the operation button on the remote controller Select B as the setting for one of the two indoor un
120. new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Moreover do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing piping CAUTION TO DISCONNECT THE APPLIANCE FROM THE MAIN POWER SUPPLY This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3 mm The installation fuse 25A D type must be used for the power supply line of this air conditioner DANGER e ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO IN STALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE e TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK Z DANGER HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the PC board by hand e CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCOR RECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED e CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE SERVICE AND INSTALLATION FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK EC Tel 01823 6
121. ng resort etc and coat the surface with a paint When performing brazing again at time of servicing use the same type of brazing filler solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes 18 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called e By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler In the brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 2 Characteristics required for flux e Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of trea
122. nnections 70 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Packed Valve handling precautions Open the valve stem all the way but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table Gas side 12 7 mm 50 to 62 Nem 5 0 to 6 2 kgf m Gas side 9 52 mm 33 to 42 Nem 3 3 to 4 2 kgf m Liquid side 96 35 mm 14 to 18 Nem 1 4 to 1 8 kgfem Service port 14 to 18 Nem 1 4 to 1 8 kgfem Hexagonal wrench is required Fig 10 5 12 10 4 5 Wiring Connection 1 Remove the valve cover the electric parts cover and the cord clamp from the outdoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit Insert the power cord and the connecting cable fully into the terminal block and secure it tightly with screws Insulate the unused cords conductors from water entering in the outdoor unit Locate them so that they do not touch any electrical or metal parts Secure the power cord and the connecting cable with the cord clamp Attach the electric parts cover and the valve cover on the outdoor unit Stripping length of connecting cable Terminal block 2 a eal tea e ei e AN AK AK AK A Power cord Connecting cable Connecting
123. nobstructed to the front and both sides 50 mm or more from wall Installation diagram of outdoor units In principle ee open 100 mm or more from wall ZZ SE 200 mm or more SEA SE N WS l A S When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure Ensure sufficient space to allow drainage Fig 10 5 1 267 Tel 01823 665660 www heronhill co uk e You will need to add 20 g of refrigerant per meter of added connection piping for installa tions requiring connection piping to be between 21 m to 30 m e Minimum piping length A or B 2 mor more e Maximum indoor piping length A or B 20 m or less e Maximum piping height difference AorB 10morless e Maximum piping height difference between two rooms 10 mor less If the outdoor unit is to be mounted on a wall make sure the platform supporting it is sturdy enough The platform should be designed and manufac tured to maintain its strength over a long period of time and sufficient consideration should be given to ensuring that the outdoor unit will not fall When the outdoor unit is to be mounted high on a wall take particular care to ensure that parts do not fall and that the installer is protected When doing installation work at ground level it is usual to make wiring and pipe connections to the indoor units first
124. nto the water drain holes by pushing them into place from the underside of the base plate 2 Press down on the outer circumferences of the caps to ensure that they have been inserted tightly Water leaks may result if the caps have not been inserted properly if their outer circumfer ences lift up or the caps catch on or wedge against something Water proof rubber caps supplied with the outdoor unit Fig 10 5 3 2 Install the drain nipple and a commercially available drain hose with 16 mm inside diam eter and drain off the water For the position where the drain nipple is installed refer to the installation diagram of the indoor and outdoor units e Check that the outdoor unit is horizontal and route the drain hose at a downward sloped angle while ensuring that it is connected tautly Base plate Drain nipple oe Commercially available x drain hose Do not use ordinary garden hose but one can flatten and prevent water from draining Fig 10 5 4 D I Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 5 3 Refrigerant Piping Connection Flaring 1 Cut the pipe with a pipe cutter Ox x xX LoS 90 Obliquity Roughness Warp Hae Fig 10 5 5 G 77 TD S 2 Insert a flare nut into the pipe and flare the pipe e Projection margin in flaring A Unit mm Rigid Clutch type Outer
125. ny t thyristor operate when moving fluorescent light remote controller near receiver or nearby i y indoor unit Batteries are exhausted Push the START STOP button Is transmission mark indicated YES Does indoor unit beep and operate YES i Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio P C board is defective Remote controller is defective Keep indoor unit Avoid direct away from thyristor Replace Replace Normal Replace sunlight fluorescent light P C board batteries operation remote controller NOTE After replacing batteries push the RESET button with a tip of a pencil 85 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE e Measurement should be performed 2 minutes and 30 seconds after starting of the operation e Be sure to prepare a diode for judgment Terminal block at indoor side Red O O N S52
126. oard Ty lap tie Connector Two claws Two screws PT2F 4X10MS ZN CN02 CNO1 L ben Leni on CN10 CNO7 CN12 CN13 Sub P C board CN300 CN701 CN600 and CN603 are connectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board Fax 01823 665807 Part name Side cabinet 1 Side cabinet right 1 Perform step 1 in and all the steps in 2 Side cabinet left Heronhill for all your Toshiba requirements Procedure 2 Remove the fixing screw ST1T 4 x 8L 5 pcs used for securing the side cabinet to the bottom plate and valve fixing panel 1 Perform step 1 in 1 pcs used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1T 4 x 8L 2 pc used for securing the side cabinet to the bottom plate and heat exchanger Detail A Detail B Remarks 2 Remove the fixing screw ST1T 4 x 8L Gerbe plate here The back body section is hooked onto the bottom plate here Detail C Fan motor 1 Perform work of item 1 of and 2 Remove the flange nut fixing the fan motor and the propeller e Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 D
127. ocated on the sub control board underneath the inverter LED indication Contents Indoor alarm code D10 D12 Normal running IGBT short circuit Compressor motor rear short Trouble on position detecting circuit Trouble on current detecting circuit Condensor pipe temp sensor TE fault Suction pipe temp sensor TS fault Discharge pipe temp sensor TD fault Trouble on outdoor fan Outdoor temp sensor TO fault Trouble on compressor system Gas side pipe temp sensor a TGa fault Gas side pipe temp sensor b TGb fault TGa TGb sensor out of place P M V fault Communication trouble between M C U Compressor lock BE DESE SESE DE DK AE AK DE DK JE BE DE DE Trouble on discharge temp Gas leakage ae EOF e anae E anae nae alaliaialie 01 AT MEIH Compressor break down niacin e ane aeee ane o eianix LED ON LED OFF e These LEDs do not normally light 1 If trouble occurs LED Red goes on according to the contents of trouble as shown in the table above 2 When two or more troubles occur LEDs go on cyclically alternately 3 When the trouble is eliminated LEDs Red go off D09 D10 D11 D12 D13 LED Red Fig 10 9 1 This product is compliant with Directive 2002 96 EC and cannot be disposed as unsorted municipal waste This product must be returned to the appropriate collection fa
128. oint the top cushion of the wiring cover must be on the inside of the opening 4 Attach the valve cover ST1T 4 x 8L 1 pc e Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward 107 www heronhill co uk Remarks Upper cabinet Water proof cover Valve cover Insert the bent part into the rear panel Bring into contact of the inverter against these parts d Align the stitch line with the top edge of the front cabinet Bend downward and align with the inside surface of the front cabinet How to mount the water proof cover Fax 01823 665807 Part name Front cabinet Heronhill for all your Toshiba requirements Procedure 1 Detachment 1 Perform step 1 in 2 Remove the fixing screws ST1T 4 x 8L 2 pcs used to secure the front cabinet and inverter cover the screws ST1T 4 x 8L 3 pcs used to secure the front cabinet at the bottom and the fixing screws ST1T 4 x 8L 2 pcs used to secure the motor base e The front cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of t
129. oller 1 Infrared signal emitter Transmits signal to the indoor unit 2 button Press the button to start operation A receiving beep is heard Press the button again to stop operation A receiving beep is heard If no receiving sound is heard from the indoor unit press the button twice 3 Mode select button MODE Press this button to select a mode Each time you press the button the modes cycle in order from A Auto changeover control xx Cool du Dry Heat and back to A A receiving beep is heard A 4 Temperature button w A The temperature setting is increased to 30 C w The temperature setting is reduced to 17 C A receiving beep is heard 5 Fan speed button FAN Press this button to select the fan speed When you select AUTO the fan speed is automati cally adjusted according to the room temperature You can also manually select the desired fan speed from five available settings LOW LOW MED gt MED a HIGH _ sg A receiving beep is heard 6 Auto louver button SWING Press this button to swing the louver A receiving beep is heard Press this button again to stop the louver from swinging A receiving beep is heard 7 Set louver button FIX Press this button again to adjust the air flow direction A receiving beep is heard 8 ON timer button ON Use this button to change the clock and ON timer times To move up the time
130. on continues Remarks Displayed when error is detected Judgment and action Check the room temp sensor When the room temp sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Lock of indoor fan or trouble on the indoor fan circuit All off Displayed when error is detected Check the motor When the motor is normal check PC board Not displayed Trouble on other indoor PC boards Operation continues Displayed when error is detected Replace PC board Connecting cable and serial signal Tel 01823 665660 Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compres sor thermo Gas shortage Gas leak Operation continues 80 Flashes when trouble is detected on Return serial signal and normal status when signal is reset www heronhill co uk 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter PC board 3 Check 3 15A of inverter P C board To display Other block during operation check compressor thermo operation and
131. onventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Vacuum pump adapter Gas leakage detector Exclusive for HFC refrigerant e Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in the U S s ARI specified rose color ARI color code PMS 507 e Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 60 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 3 Indoor Unit 10 3 1 Installation Place e A place which provides enough spaces around the indoor unit as shown in the diagram e A place where there are no obstacle near the air inlet and outlet e A place which allows easy installation of the piping to the outdoor unit e A place which allows the front panel to be opened e The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2m in height e Also avoid putting anything on the top of the indoor unit CAUTION e Direct sunlight on the indoor unit wireless receive
132. oor Outdoor Compressor revolution rps 3 4 to 3 6 50 to 53 3 4 to 3 6 51 to 53 2 6 to 2 8 37 to 39 2 6 to 2 8 38 to 40 2 units 2 6 to 2 8 38 to 40 2 6 to 2 8 38 to 40 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 7 5 m x 2 units D Tel 01823 665660 www heronhill co uk Fax 01823 665807 8 1 Indoor Unit Heronhill for all your Toshiba requirements 8 CONTROL BLOCK DIAGRAM RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Heat Exchanger Sensor Room Temperature Sensor Infrared Rays Signal Receiver and Indication EE J Clock Frequency Oscillator Circuit Tc Ta M C U Indoor Unit Control Unit Functions e Cold draft preventing Function e 3 minute Delay at Restart for Compressor e Fan Motor Starting Control Le e Processing Temperature Processing Louver Motor Drive Control Indoor Fan Motor Control Louver Motor e Timer e Serial Signal Communication Indoor Fan Motor Converter D C circuit EEN From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER Tel 01823 665660 Power Supply 7 Circuit e Clean Function Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Control
133. oor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions e ON OFF Air conditioner Air purifier e Operation select COOL HEAT AUTO DRY e Air direction e Swing e Air volume select AUTO LOW LOW MED MED HIGH e ECO e ON timer setup e OFF timer setup e High power Indoor unit Signal receiving Indoor unit control e Command signal generating function of indoor unit Indoor unit control operation f l e Calculation function temperature calculation e Indoor fan motor e Activation compensation function of indoor fan e Louver motor Operation command e Cold draft preventive function e Timer function Serial signal send receive e Indoor heat exchanger release control e Clean function Outdoor unit yd Serial signal send receive Outdoor unit control e Frequency control of inverter output e Waveform composite function e Calculation function e Compressor Temperature calculation Outdoor fan motor e AD conversion function e 4 way valve e Quick heating function e Pulse motor valve e Delay function of compressor reactivation P M V e Current release func
134. or Ts emm mmm emm mmm emm emm emm wm 1 Check discharge temp sensor TD 2 Check P C board Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace PC board or fan motor Disconnection or short All off circuit of discharge temp sensor Displayed when error is detected wm wm Outdoor fan drive All off system error Displayed when error is detected eme mm om mm emm L emm emm 1 Check outdoor temp sensor TO 2 Check P C board Check 5 serial LED When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on P M V 1 Repeat Start and Stop with interval of approx 10 to 40 minutes Code is not displayed during operation Supply gas Check also gas leak Unit operates normally during check If return serial signal does not stop between indoor terminal block 2 and 3 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board Trouble on compressor Trouble on wiring of compressor Missed phase Not displayed Outdoor temp sensor error Operation continues mmm emm LI U Outdoor P C All off board Displayed when error is detected Compressor drive output error Compressor error lock missing etc Break down mm emm mn Flashes when trouble i
135. or unit Mounting screw Installation plate Fig 10 3 3 E A Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements When the installation plate is directly 10 3 3 Electrical Work mounted on the wall 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare a power source for the exclusive use of the air conditioner 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches that hold the indoor unit facing out 2 To mount the installation plate on a concrete wall NOTE use anchor bolts Drill the anchor bolt holes as Wire type EE E EE More than HO7RN F or 2451EC6 1 0mm 3 Install the installation plate horizontally and level CAUTION e This appliance can be connected to a main circuit breaker in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa CAUTION When installing the installation plate with mount ing screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit ee breaker or switch must be used Anchor bolt Connection with power supply plug Lee Attach power supply plug with power cord er and
136. ound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of P M V and No of revolution ofcompressor Check condensation at outlet of PM V and then check operating pressure from the service port Replace valve Existence of condensation at outlet of PM V If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged NO Check the operating pressure from service port and add gas if pressure is low 87 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 7 Trouble Diagnosis by Outdoor LED For the outdoor unit the self diagnosis is possible by five LEDs Red e LEDs Red D09 to D13 are provided on the sub control board under surface of the inverter and as shown below they are checked from the wiring port when removing the wiring cover 1 If a trouble occurs LED Red goes on according to the trouble as described in the table below 2 When two or more troubles occur LEDs go on cyclically 3 Usually LEDs Red go off LED Reg D09 D10 D11 D12 D13 LED indication Contents Indoor alarm code D10 D12 Normal running IGBT short circuit Compressor motor rear short Trouble on position detecting circuit Trouble on current detecting circuit Condensor pipe te
137. perature of the indoor heat exchanger is extremely low The connection of the heat ex changer sensor is loose The connector is disconnected CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective If the above condition No 5 still continues start the unit in the following condition e Set the operation mode to HEAT e Set the preset temperature much higher than room tem perature Check whether or not the com pressor operates Check whether or not the OP ERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer sensor short circuited CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition e Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Tel 01823 665660 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals The motor does not operate or the fan motor does not rotate with high speed But it is possible to receive the signal from the remote controller The motor rotates but vibrates strongly 93 www heronhill co uk
138. pers or an equivalent tool Fig 10 3 15 Tel 01823 665660 when inserting the drain cap www heronhill co uk In case of bottom right or bottom left piping e After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 16 Left hand connection with piping Bend the connecting pipes so that they are posi tioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm above the wall surface the indoor unit may be unstable When bending the connecting pipe make sure to use a spring bender to avoid crushing the pipe Refer to the table below for the bending radius of each connection pipe Outer diameter Bending radius To connect the pipe after installation of the unit figure To the front flare NS Gas side Liquid e R30 or less 6 35 R40 or less 09 52 R50 or less O12 7 Use polishing polyethylene core or the like for bending pipe k Outward form of indoor unit H Q o H LLL LLIKLLA LLLI LLL LL LLL LLL LLL LLL EY Use a screwdriver handle etc Fig 10 3 17 NOTE If the pipe is incorrectly bent the indoor unit may be unstable on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 64 Fax 01
139. pproximate H and SUL with Tc Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M L x 1 4 L 2 Fan speed M L x 2 4 L 3 Fan speed M L x 3 4 4 L Calculated with linear approximation from M and L Fig 5 In starting and in stability e Until 12 minutes passed after operation start FAN AUTO When 12 to 25 minutes passed after operation No limitation while fan speed MANUAL mode is in stability A When Tsc 2 24 A is 24 and when Tsc lt 24 A is Tsc Tsc Set value In stability e When 12 to 25 minutes passed after operation start and room temp is higher than set temp 3 C start and room temp is 3 C or lower than set temp e When 25 minutes or more passed after operation start FAN Manual e Room temp lt Set temp 4 C e Room temp Set temp 3 5 C 60s Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc The blowing air volume at the outdoor unit side is controlled Receiving the operation command from the controller of indoor unit the controller of outdoor unit controls fan speed For the fan motor a DC motor with non stage variable speed system is used However it is limited to 8 stages for reasons of controlling 3 Outdoor fan motor control Air conditioner ON Remote controller
140. press A of the ON ch button To move down the time press w of the ON Bi button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time press A of the OFF E button To move down the time press w of the OFF Bi button 10 Reserve button SET Press this button to store the time settings A receiving beep is heard TT cancel button CLR Press this button to cancel the ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Press this button to start high power operation 13 Memory button MEMO Press this button to ready for storing the settings Hold down the button for more than 3 seconds to store the setting indicated on the remote controller and until the mark is displayed 14 Automatic operation button AUTO Press this button to operate the air conditioner automatically A receiving beep is heard 15 Economy button ECO Press this button to operate the air conditioner economically 16 PRESET button Press this button to operate the air conditioner to the settings stored using the MEMO button 17 PURE button PURE Press this button to start the electrical air purifying operation Press the button again to stop operation 18 Sleep time button SLEEP Press this button to start the sleep timer OFF timer operation You can select the OFF timer time from among four settings 1 3 5 or 9 hours 1 Aoelauma
141. propriate connector with the power cord diameter Appendix 1 www heronhill co uk Procured locally Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix Part name Specifications Vendor Remarks Power cord 2 cores x 0 75mm or more HOSRN F Procured locally Thermostat Material SGCC Z08 Board thickness 0 8t Procured locally fixing plate Drawing attached PVC tube Inside diameter 8 x outside diameter 11 x 70 mm Procured locally Shield tube Inside diameter 018 x outside diameter 26 x 70 mm Procured locally Material Polyethylene foam Bundling tie Bundling tie for securing the wires Procured locally Material 6 6 nylon NOTE The parts on the above table are recommended parts 2 Required tools for installation work Part name Specifications Plus screwdriver It is used for disassembling and assembling of each cabinet Wrench It is used for disassembling and assembling of compressor fixing nuts Motor drill Drill diameter It is used to make the additional holes on the base or the side cabinet 3 2 and 95 0 R Faston crimping tool Fixing jig for 250 Close end connec tor crimping tool Cutting plier Stripper Cutter knife Insulation tape Metal cutting shears It is used to process the side cabinet L Appendix 2 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshib
142. r dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare processing procedures and precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut Ke Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a con ventional flare tool be sure to secure dimen sion A by using a gauge for size adjustment Fig 3 2 1 Flare processing dimensions Table 3 2 3 Dimensions related to flare processing for R410A A mm Nominal Outer Thickness diameter alametler mm Conventional flare tool mm Flare tool for R410A
143. r output 30 30 30 Air flow rate Cooling Heating 550 610 560 640 640 660 Unit model RAS M14GAV E RAS M18GAV E Dimension Height 550 550 Width 780 780 Depth 290 290 Net weight 36 40 Outdoor unit Compressor Motor output 750 1100 Type Twin rotary type with DC inverter variable speed control Model DA111A1F 20F1 DA130A1F 25F Fan motor output 43 43 Air flow rate 1820 2100 Type Flare connection Flare connection Indoor unit Unit model RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Liquid side Gas side 6 35 9 52 6 35 9 52 6 35 O12 7 Outdoor unit Unit model RAS M14GAV E RAS M18GAV E Liquid side Gas side 6 35 9 52 6 35 O9 52 Piping connection Maximum length per unit Maximum length total Maximum chargeless length total Maximum height difference Additional refrigerant 20g m pipe length 21m to 30m 20g m pipe length 21m to 30m Name of refrigerant R410A R410A Weight 0 90 1 20 3 Wires includes earth 4 Wires includes earth Power supply Interconnection Wiring connection Usable temperature range Indoor Cooling Heating 21 to 32 0 to 27 Outdoor Cooling Heating 5 to 43 10 to 24 Indoor unit Accessory Unit model R
144. r should be avoided e The microprocessor in the indoor unit should not be too close to r f sources For details see the owner s manual Remote controller e Should be placed where there are no obstacles such as curtains that may block the signal e Do not install the remote controller in a place exposed to direct sunlight or close to a heating source such as a stove e Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference e The location of the remote controller should be determined as shown below Side view lopview J Ss Indoor unit lt 5 lt ES S E E Reception Reception Remote range range controller Remote controller Axial distance Fig 10 3 1 10 3 2 Drilling a Hole and Mounting Instal lation Plate Drilling a hole When install the refrigerant pipes from the rear D The center of the f H lt E gt 1O Od pipe hole r Fig 10 3 2 1 After determining the pipe hole position on the installation plate drill the pipe hole 065 mm at a slight downward slant to the outdoor side NOTE e When drilling into a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Anchor bolt holes Pipe hole Indo
145. ration 8 MEMORY indicator Flashes for 3 seconds when the MEMO button is pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 9 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 10 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position AUTO E3 In the illustration all indications are shown for purposes of explanation During operation only the relevant indicators are shown on the remote controller Fax 01823 665807 Heronhill for all your Toshiba requirements 9 6 Hi POWER Mode Hi POWER button on the remote controller is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hit POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation 2 Cooling operation e The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change e If the difference between the preset temperature and the room temperature is big t
146. ration stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then select an operation mode Monitoring Fan 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an Heating operation Heat pump model operation mode Fan only operation Cooling only model Cooling operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode DRY operation 1 Detects the room temperature Ta when DRY operation is performed according to the difference the DRY operation started between room temperature and the setup temperature as 2 Starts operation under conditions in the shown below left figure according to the temperature In DRY operation fan speed is controlled in order to difference between the room tempera prevent lowering of the room temperature and to avoid ai ture and the setup temperature Tsc flow from blowing directly to persons Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor we W5 W3 2 Fan speed De Tel 01823 665660 www heronhill co uk Fax 01823 665807 2 Indoor fan motor control COOL ON Fan speed setup AUTO Heronhill for all your Tosh
147. rce such as a cooking range noxious gas may generate The electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive circuit An insufficient circuit capacity or inappropriate installation may cause fire When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Be sure to provide grounding Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone cables Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock CAUTION Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit For Reference If a heating operation would be continuously performed for a long time under the condition t
148. rding to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions e Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor e Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc e Louver motor control e Indoor fan motor operation control e LED Light Emitting Diode display control e Transferring of operation command signal Serial signal to the outdoor unit e Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error e Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role e Compressor operation control e Operation control of outdoor fan motor e PM V control e 4 way valve control e e Detection of inverter input current and
149. re nut connections for gas leaks with Remote controller selector switch a gas leak detector and or soapy water g PY e H two indoor units are installed in the same room Valve cover or adjoining rooms the second unit can inadvert Check places for 8 flare nut connections ently receive a remote controller signal and start indoor unit B operation when operating the first unit This can be prevented by setting one of the indoor units and the corresponding remote controller to the B setting the A setting is the default setting 1 Setting the selector switch on the main unit e Remove the front panel and then set the selector switch to B e After making the switch setting remount the Check places 6 E outdoor unit front panel 2 Setting the remote controller Fig 10 8 1 1 Slide open the remote controller cover and remove the batteries 2 Cut the jumper wire inside the battery 10 8 2 Test Operation compartment using nippers To test the system press and hold RESET button for The jumper wire should not remain in 10 sec There will be one short beep contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller 3 Insert the batteries B appears in the remote controller display 3 Check that the indoor unit can be operated by the modified remote controller SC Electric parts
150. reen indicator is on The unit stops operating The green indicator is turned off de After approx three seconds The unit beeps three times RESET FILTER TIMER OPERATION A If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 9 3 3 Power Failure During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is can celled In that case set the timer operation again NOTE The Everyday Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure 9 4 FILTER Indicator When the elapsed time reaches 1000 hours after air purifier operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator 9 4 1 How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indica tor is not lit the indoor unit will start the automatic operation When you want a temporary operation while the FILTER lamp lights press RESET button to turn off the FILTER lamp See page 47 54 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 5 Remote Controller and Its Fuctions 9 5 1 Parts Name of Remote Contr
151. requirements 11 9 How to Diagnose Trouble in Outdoor Unit 11 9 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse Part No F01 Replace fuse Check electrolytic capacitor diode block DB01 etc Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DB01 etc Does outdoor fan rotate Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Tel 01823 665660 Table 11 9 1 Preparation Operation Measure ment Check Stop Check Measure ment Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor e Check whether 25A fuse on the control board assembly is blown or not F01 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal voltage of the electrolytic capacity 760uF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electro lytic capacitor by soldering iron Check voltage between motor phases e Is not winding between or O opened or short circuited e Is not frame grounded with or f www heronhill co uk Summary If f
152. rise Sr st ie Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Procedure Remarks Electronic 1 Detachment expansion valve 1 Perform step 1 in all the steps in and coil 1in 2 Remove the coil by pulling it up from the electronic control valve body Coil ti t 2 Attachment tock oy 1 When assembling the coil into the valve body ensure that the coil anti turn lock is installed properly in the pipe Coil anti turn lock position lt Handling precaution gt When handling the parts do not pull the leads When removing the coil from the valve body use your hand to secure the body in order to prevent the pipe from being bent out of shape Coil inserting position Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward a Minus screwdriver Perform work on a corrugated cardboard CSC Hooking claw cloth etc to prevent flaw to the product ks 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specifi
153. roller to indoor unit controller The following signals are sent from the outdoor unit controller e The current operation mode e The current compressor revolution e Outdoor temperature e Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below e Whether distinction of the current operation status meets to the operation command signal e Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operations followed to judgment of serial signal from indoor side Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 9 2 Operation Description 9 2 9 3 9 4 T Basit operaliOm EE 35 1 Operatioh COntrol TEE 35 2 Operating mode selection when performing 2 roomoperation ccceeeeeeeeeeeeeeeeeeeeeeeeees 36 3 Cooling Heating operation eeccceceeeeeeeeeeeeeeeee cease eeeeeeeeeeeeeeseaaeeeeeeeeeeseaaeesecaeeeteneeeeetiaaeeees 36 4 AU TOOPC Aton BEE 37 5 DRY Operation coear det tte EENS ENEE Eeer 37 2 Indoor fan m tor Control 38 elle Le ite gel Ee 38 lt INNEALING operations seei aeee ana eE E SEEEN ESEE EEEN EN ESA AEA TET EE EES EEES AEREE 39 3 Outdoor fan motor control 2 eeeeeeececteeececeeeeeeeeeeeeeea
154. rpm Indoor fan Operates with setup number of revolution B room thermo OFF i B room thermo ON B room thermo ON Operated with setup number of revolution Thermo OFF Thermo ON Orpm Fan stop Fan stop Fan stop lt gt lt gt lt gt Ton Ton gt Ton 5 T off T off T off T on 2 min In case which Tc sensor temperature exceeds 55 C T off time in B room the fan stops intermittent operation and To EE 2 min starts continuous operation with UL or SUL 1 5 lt To lt 10 3 min 10 lt To 4 min 57 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 INSTALLATION PROCEDURE 10 1 Safety Cautions SS 140 mm or more For the rear left and left piping Hook 47 mm or more CU Installation plate Insert the cushion between the indoor unit and wall and tilt the indoor unit for better installation work Cut the piping hole slightly sloped Shield pipe for extension eS ZA drain hose Zeolite plus filter S e J d LZ a Make sure the drain hose is TS L n gt sloped downward Kl o gt Re LL SJL f A A The auxiliary piping can be connected at the left rear left Air filters R rear right right bottom right or rY bottom left as shown below Wireless 80 mm or more only remote con
155. s adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 65 Use vacuum pump by attaching 5 Pipe bender 10 Hexagon wrench vacuum pump adapter 6 Level vial Opposite side 4mm 2 Torque wrench For 06 35 9 52 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 3 Insulation resistance tester 4 Electroscope 1 Clamp meter 2 Thermometer 16 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment a When the compound gauge s pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor units gas side
156. s Air conditioner Air purifier operate Operation lamp ON Start of air purifier ON A Operation lamp OFF Filter OFF Memory position Air conditioner of louver COOL air purifier operate Air conditioner operates 2 Air purifier OFF Air purifying operation All stop 47 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements olem O Operation flow and applicable data etc Description 12 Air purifying control Detection of abnormality Purpose The air purifying control function is to Purifying operation alert the user to trouble in the ionizing or air purifying operation e Description Trouble is determined to have occurred Total operation indicated by the FILTER indicator in the time 1000H following four cases NO 1 When a count of 1000H has been Purifier power ON reached on the timer 2 When the panel switch has been set to NO OFF by the opening of the air inlet YES 3 When an abnormal discharge caused by a symptom such as the build up of Purifier power ON Filter lamp OFF dirt has been detected while the air 1 minute or less continues purifier is ON YES 4 When the electric dust collector has Filter lamp ON Purifier power OFF not peeninstaled SE Trouble case 2 or 3 is deemed to have occurred when the action Purifier power ON concerned continues for more than after 10 minutes one second from the error input Operatio
157. s detected on return serial signal and normal status when signal is reset Others including compressor mmm aul Return serial signal has been sent when operation started but it is not sent from halfway 1 Compressor thermo operation Gas shortage Gas leak 2 Instantaneous power failure Operation continues gt em emm All off Displayed when error is detected Compressor does not rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Check dischage temp sensor TD Gas leakage Trouble on P M V Check power voltage 220 230 240 V 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser All off Displayed when error is detected Discharge temp exceeded 117 C Break down of All off compressor Displayed when error is detected 81 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 11 5 Judgment of Trouble by Every Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely lt Primary check gt 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly 4 Is the fuse F01 blown Turn off power supply once and
158. shiba requirements Operation flow and applicable data etc lt in cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operation the sensor of indoor heat exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Reduction of compressor speed Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone 3 When temperature of the indoor heat exchanger rises to 7 C or higher the capacity control operation returns to the usual control in cooling operation R zone lt in heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat ex changer detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control 43 www heronhill co uk 1 When temperature of the indoor heat exchanger rises in the range from
159. signated on the electric parts box assembly 4 Attach the drain guide 100 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Part name Electric parts box assembly Heronhill for all your Toshiba requirements Procedures 1 Follow the procedure up to 4 in above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector 5P for the fan motor and connec tor 5P for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Disengage the two claws at the top of the display unit They can be easily disengaged by pressing the drain pan above the claws and at the same time pulling the display unit toward you 6 Remove the fixing screw that secures the electric parts box assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom 101 Tel 01823 665660 www heronhill co uk Remarks Lead wire we cover Make absolutely s
160. ss sssusunssennnenunnnunnnnnnnnnenunnnnnnnnnnnnnnnnnnnnnnnnn ennnen ennnen 54 FILTER Jo 54 9 4 1 How to Turn Off FILTER Indicator cccceccessseeeeeesseeeeeeeeeeeseeeeeesneeeeesenaeseeeseeeseseeeeeesneeeeenes 54 Remote Controller and lts Fuctions cccsseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeees 55 9 5 1 Parts Name of Remote Controller cccccccsecceseseeeessseeeeeeeeeeeeeeeeeesneeeeesenaeseeeeeeesesseeeesseaneeees 55 9 5 2 Name and Functions of Indications on Remote Controller csccseseessesseseseesnenees 56 Hi POWER Mode Hi POWER button on the remote controller is pressed ssssseeeeeeeees 57 Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo off Side in Heating Operation ssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeees 57 34 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc 1 Basic Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 A signal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below 4 The indoor controller controls the ind
161. stallation of Outdoor Unit 10 5 1 Installation Location A place which provides enough space around the outdoor unit as shown in the diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb neighbors A place which is not exposed to a strong wind A place free of combustible gases A place which does not block a passageway When the outdoor unit is to be installed in an elevated position be sure to secure its feet Piping connections to the outdoor unit should be arranged in the sequence A then B starting from the bottom For each piping connection the gas pipe is on the bottom and the liquid pipe on top When multiple indoor units are to be connected to the outdoor unit make sure the ends of the pipes and wires from each indoor unit are connected to the outdoor unit correctly Problems caused by indoor units being connected to the outdoor unit incorrectly are very common in multiple unit installations The length and height differences of the connect ing pipes between the indoor and outdoor units must be within the ranges indicated below e Total piping length Two room A B Multi e This air conditioner accepts a connection piping length of up to 30 m e There is no need to add refrigerant as long as the length of the connection piping is 20 m or less 80 mm or more only when u
162. t P Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Both A and B rooms Outer dia 9 52mm Thickness 0 8mm 4 way valve STF 0108Z Temp measurement NOTE Heronhill for all your Toshiba requirements M13GKCVP E 4 T1 Temp measurement exchanger E ee d dE BS Per 1 unit Deoxidized copper pipe 27 amp Max 20m de Both A and B room 23 2 cereal 20m Outer dia e 6 5 Charge 20g m Thickness 0 8mm g S 21 to 30m Sectional shape TO of heat insulator e OO d Split capillary 3 2 2 x 2008 Strainer valve at liquid side CAM B22YGTF 3 3 Split capillary Compressor 2 2 x 2006 DA111A1F 20F 1 Outdoor heat exchanger CS U U I Pulse motor U U U U U U U U Propeller fan Refrigerant amount See OUTDOOR UNIT NOTE W Gas leak check position gt Refrigerant flow Cooling e The maximum pipe length of this air conditioner is 30 m When the pipe length exceeds 20 m the additional charging of refrigerant 20 g per 1m for the part of pipe exceeded 20 m is required Max 200g Tel 01823 665660 26 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements RAS B10GKVP E RAS M13GKVP E RAS M16GKVP E RAS M18GAV E To B room
163. t Cooling 2 units 1 4 to 4 5 4 94 1 43 to 5 89 1080 230 to 1300 1 1 to 3 2 2 79 1 01 to 3 94 570 170 to 880 1 1 to 3 8 4 82 1 01 to 5 56 1100 170 to 1280 1 4 to 4 4 4 69 1 37 to 5 60 1070 230 to 1290 1 4to 4 5 4 74 1 37 to 5 64 1080 230 to 1300 1 unit 2 units lt Heating gt RAS M14GAV E Operation Volts Operation Operating indoor unit Unit capacity kW Capacity Running current Power Consumption mode v status A B A kW A w 0 5 to 4 4 4 07 0 84 to 6 00 850 130 to 1280 0 5 to 4 7 5 86 0 84 to 6 33 1250 130 to 1350 0 9 to 5 1 4 59 1 10 to 5 76 980 170 to 1230 0 9 to 5 2 4 73 1 10 to 5 86 1010 170 to 1250 0 5 to 4 4 3 89 0 81 to 5 74 850 130 to 1280 0 5 to 4 7 5 60 0 81 to 6 05 1250 130 to 1350 3 2 4 2 4 3 4 4 3 2 4 2 4 3 0 9 to 5 1 4 39 1 06 to 5 51 980 170 to 1230 4 4 3 2 4 2 4 3 4 4 1 unit 2 units 1 unit Heating 2 units 0 9 to 5 2 4 53 1 06 to 5 60 1010 170 to 1250 0 5 to 4 4 3 73 0 77 to 5 50 850 130 to 1280 0 5 to 4 7 5 37 0 77 to 5 80 1250 130 to 1350 0 9 to 5 1 4 21 1 01 to 5 28 980 170 to 1230 0 9 to 5 2 4 34 1 01 to 5 37 1010 170 to 1250 1 unit 2 units
164. t of the drain pipe Being Bearingjbase 103 Tel 01823 665660 www heronhill co uk Remarks Bearing base Screw i Fax 01823 665807 Part name Fan motor Heronhill for all your Toshiba requirements Procedures 1 Follow to the procedure in the item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward In assembling work install the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front e After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws Secure using Lp the fixing screw A Motor band Right ES Screw Secure using x the fixing screw Fan motor leads Remarks Cross flow fan Tel 01823 665660 1 Follow to the procedure in the item 2 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 3 Loosen the set screw of the cross flow fan 4 Lift the left side of the heat exchanger and pull out the cross flow fan 104 www heronhill co uk Pull out here 2 Fax 01823 665807 Heronhill for all your Toshiba requiremen
165. t started rotating e Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble when rotating it with hands If the resistance value between S Ge lead White lead CN300 White lead Black lead Black lead Red lead of the connector CN300 Motor winding is 17 to 25Q it is normal Fan motor is normal Outdoor P C board error Fan motor error NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if PC board is replaced replace the outdoor fan motor 07 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 12 HOWTO REPLACE THE MAI
166. tally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch e In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model Changes As pressure is high it is impossible to measure by means of Gauge manifold x Wa conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed In order to increase pressure resisting strength hose materials Charge hose and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Electronic balance for refrigerant charging The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Torque wrench nominal diam 1 2 5 8 By increasing the clamp bar s receiving hole strength of spring in Flare tool clutch type the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Connected to c
167. te assembly Including reactor 4x8 Sound insulation board Remove the fixing screws of the heat exchanger and the valve fixing plate Remove the compressor fixing bolt Heat exchanger i i Related parts Screws list Part name Used screw Screw type Quantity Heat exchanger 4 x 8 Valve fixing plate 4 x 8 i Compressor Compressor bolt As shown in the left figure remove the set of refrigeration cycle assembly from the outdoor unit base plate In this time work attentively so that the cycle pipes are not damaged by dent or deformation Apply protective measures to pipes if necessary Appendix 5 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix Cord heater installation work Drill a hole on the outdoor unit base plate and fix the cord heater to the outdoor unit base plate using P shape clamp Connect the cord heater cables Using a motor drill etc drill 3 2 holes on the outdoor unit base plate 12 positions See Appendix 10 for the additional hole positions These holes are used to fix the cord heater to the outdoor unit base plate with P shape clamp Insert the PVC tube into the cord heater This tube is designed to protect the cord heater from the fixing screws used to secure the anchoring feet As shown in the left figure install the cord heater 1 5m to the outdoor unit
168. ted metal type of brazing filler and brazing method etc 3 Types of flux e Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use Paste flux Copper Iron Silver lron lron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing Tel 01823 665660 www heronhill co uk 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with bra
169. the FILTER indicator Orange go on YES Are the electric dust collector and ionizer dried Electrode check NO x O D G c 2 i D Q O YES Refer to items cleaning and check for the electric dust collector ionizer ionized wire units When the ionized wire is disconnected or when dirt is not cleaned even cleaned replace each unit YES Is DC 5V to DC 10V applied between Brown Negative voltage and 2 Brown GND of CN33 of the main P C board NO YES Dry the electric dust collector and ionizer Referring to the right figure check the high output voltage of the air filter unit Use an exclusive high voltage tester otherwise the tester may be broken YES Is output of the ionizer approx 4 0 kV to 4 8 kV Is output of the collector approx 3 0 kV to 3 8 kV NO YES Are the electric dust collector ionizer ionized wire units dirty NO Tel 01823 665660 Is an abnormal sound cracking noise heard from the electrode 89 www heronhill co uk Be sure not Ke to contact to the gray NOTE part or not to touch the ionized cables Replace the main PC board MCC5020 How to check output of the air purifier lt Caution on High Voltage gt Collector High voltage tester Replace the high voltage generator No trouble Fax 01823 665807 Heronhill for all
170. the front panel or the P C board be sure to shut off the power supply breaker 2 When removing the PC board hold the edge of the PC board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this PC board 2 The PC board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 15V Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving infrared ray receiving circuit LED To check defect of the P C board follow the procedure described below 02 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 3 Check procedures Procedure Turn off the power supply breaker and remove the PC board assembly from electronic parts base Remove the connecting cables from the terminal block Table 11 10 1 Check points Check whether or not the fuse F01 is blown Impulse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second it is not necessary to check st
171. the lead wires from coming into contact with the EE tubes edges of the sheet metal or tips of the screws wrap the around the leads to protect them and use the bundling shield tubes around the leads to protect them and use ties to secure them the bundling ties to secure them Incorporate front cabinet upper cabinet wiring cover water proof cover and valve cover as before In installation work connect power cord for the cord heater to another breaker separated from one for power cord of the air conditioner Appendix 8 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix 5 Drawing of thermostat fixing plate 5 8 2 3 4 burring hole 18 Upward 56 46 3 3 4 burring hole 18 Downward 45 Material SGCC Z08 Thickness 0 8t Appendix 9 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Appendix 6 Diagram showing positions 63 2 mm holes to be additionally drilled in base plate Appendix 10 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements This product is compliant with Directive 2002 95 EC and cannot be disposed as unsorted municipal waste TOSHIBA CARRIER CORPORATION 2 CHOME 12 32 KONA
172. tion e GTr over current preventive function e Defrost operation function 35 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements Operation flow and applicable data etc 1 Basic operation 2 Operating mode selection when performing 2 roomoperation 1 The outdoor unit operating mode conforms to the instructions of the indoor unit that was pressed first 2 When combined operation consisting of cooling dry and heating fan air purification and heating or cleaning operation and heating is performed operation conforms to the instructions of the indoor unit that was pressed first as shown in the left table 3 The indoor fan stops for the indoor unit that was pressed last and which instructions are ignored Indoor unit Set operating mode Actual indoor unit operation Actual outdoor unit operation Pressed first Cooling dry Cooling dry Pressed last Cooling dry Cooling dry Pressed first Heating Heating Pressed last Heating Heating Pressed first Fan solo air purification Fan solo air purification Pressed last Fan solo air purification Fan solo air purification Pressed first Fan solo air purification Fan solo air purification Pressed last Cooling dry Cooling dry Pressed first Cooling dry Cooling dry Pressed last Fan solo air purification Fan solo air purification Pressed first Cooling dry Cooling dry Pressed last Heating Fan stopped Press
173. to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrig eration cycle Otherwise pressure in the refrig eration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is inst
174. troller when unobstructed to the front and both sides 50 mm or more GL I E EE In principle from wall D leave open ji Rear Left right Bottom left Bottom right Rear left 100 mm or more from wall 4 Remote controller holder Mounting holes on both left and right sides As shown in the figure position power cord and connecting cable downward and lead out along 200 mm el 4 piping connection port Remote controller Insulate the refrigerant pipes holder mounting screw separately not together When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure 250 mm or more from wall Power cord Extension drain hose Option RB 821SW Ensure sufficient space 6 mm thick heat resistin l g to allow drainage polyethylene foam e With the remote controller cover removed correctly load the supplied batteries while observing their polarity Wireless remote controller 58 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 10 2 Optional Parts Accessories and Tools 10 2 1 Optional Installation Parts Part Code Parts name Refrigerant piping Indoor unit name Liquid side Outer diameter Gas side Outer diameter RAS B10GKVP E B13GKVP E 6 35 mm 9 52 mm RAS B16GKVP E 6 35 mm 12 7 mm Shield pipe for extension drain
175. ts Part name Procedures Remarks Cross flow fan lt Caution at reassembling gt 1 At assembling work of the bearing base check that the drain pipe is surely incorpo rated in the back body Otherwise water leak is caused 2 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor e Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 5 mm from wall of rear plate of the main unit e Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw e Perform positioning of the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front e After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws U groove 105 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 12 2 Microcomputer Part name Procedure Remarks Common procedure 1 Turn the power supply off to stop the Replace terminal block operation of air conditioner microcomputer ass y and the 2
176. ttom connection and rear left connection s piping it is necessary to relocate the drain hose and drain cap How to remove the drain cap Clip drain cap with needle nose pliers and pull out zl H A S d Fig 10 3 11 How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Drain hose Fig 10 3 12 S3 Fax 01823 665807 Heronhill for all your Toshiba requirements How to attach the drain cap 1 Insert hexagonal wrench 4 mm 4mm Fig 10 3 13 2 Firmly insert drain cap No gap AS Do not apply lubricating oil refrigerant machine oil If applied deterioration and EE drain leakage of the drain lug may occur wrench 4mm Peg may Fig 10 3 14 How to attach the drain hose Always use the original screw that secured the drain hose to the unit If using a different screw may cause water to leak Insert the drain hose firmly until the connector contacts with the insulation then secure it in place using the original screw CAUTION Securely insert the drain hose and drain cap otherwise water may leak In case of right or left piping e After making slits on the front panel with a knife or similar tool cut them out with a pair of nip
177. uard against the possibility of receiving an electric shock but also to absorb both the static which is generated by high frequencies and held in the surface of the outdoor unit and noise since the air conditioner incorporates a frequency conversion device called an inverter in the outdoor unit If the air conditioner is not grounded users may receive an electric shock if they touch the surface of the outdoor unit and that unit is charged with static 10 7 Check and Test Operation For R410A use the leak detector exclusively manufactured for HFC refrigerant R410A R134a etc The conventional leak detector for HCFC refriger ant R22 etc cannot be used because its sensi tivity for HFC refrigerant lowers to approx 1 40 of that manufactured exclusively for HFC refrigerant Pressure of R410A becomes approx 1 6 times that of R22 If installation work has not completely finished gas leaks may occur in cases such as when pressure rises during operation Check the flare nut connections valve stem cap connections and service port cap connections for gas leaks with a leak detector or soap water N Flare nut connections Indoor unit Flare nut connections Outdoor unit Valve stem cap connection Service port cap connection Fig 10 7 1 CAUTION Use a circuit breaker of a type that is not tripped by shock waves Incorrect incomplete wiring will cause electri cal fires or smoke Prepare the pow
178. ure that the leads form a loop Fax 01823 665807 Heronhill for all your Toshiba requirements Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger 4 Remove the heat exchanger fixing holder by removing the two fixing screws used to secure it 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat exchanger rightward Hanged part 102 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Part name Bearing Heronhill for all your Toshiba requirements Procedures 1 Follow to the procedure in the items 2 Remove the two fixing screws used to secure the left edge panel of the heat exchanger and remove the two screws used to secure the bearing base 3 Raise the left side of the heat exchanger slightly and remove the bearing base lt Caution at assembling gt e If the bearing is out from the housing push it into the specified position and then incorporate it in the main body e After assembling the bearing base check that it is fitted into the stepped par
179. use was blown be sure to check the electrolytic capacitor and diode block DB01 e Connect discharge resistance approx 100Q 40W or soldering iron plug between terminals of the electro lytic capacitor 760UF of C14 with printed CAU TION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering OK if 760uF gt DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55 to 77Q Should be 10MQ or more Fax 01823 665807 Heronhill for all your Toshiba requirements Diagnosis Process flowchart Contents Summary Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester board assembly e Is not short circuited gt OK if 0 510 gt 0 570 between windings Check by a digital tester Check compressor e Winding is not opened winding resistance Operation Remove connector CN300 of the outdoor fan motor turn on the power supply breaker Replace Replace and perform the operation control board compressor Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped 11 10 How to Check Simply the Main Parts 11 10 1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing
180. w shown in the figure below WEEN Mounting dimensions of anchor bolt d Outside line of product 2 11x14U Shape hole 600 for 8 O10 anchor bolt 50 or more Intake gt 250 or more Intake i gt 100 or more T Outside line i Outside line if Minimum SR of product 320 L 200 or more E 2 11x14 long hole Outlet for 8 10 anchor bolt Detailed leg part Dj 2 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Heronhill for all your Toshiba requirements 5 WIRING DIAGRAM Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E Heat pump models 5 1 M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Cooling only models RAS El NA KEEN IHM 80ND HOLOW H3AN07 ZAZ ZNN gt anor cole si ISON fj BD T d HNL raya D G Es Revi I N laziod eon Kee awo O roga ar ZONQ L___ o Eau ASA Pa l Yolon oa 0ZOS OOIN OHvOg Dd NIYIN re xeXt i oor YOOGNI EJE FSS eee a oe yun JOOPINO OL Air purifier Electrode High voltage ri Power supply 3 5 g m PVA HM pp gt o ele 818 2 Emak 2 l oont 2 enake E j Uima g B SE 2 ln Ng Al 4 UH IHM
181. x8 Main P C board CN300 Outdoor fan motor 3P white See NOTE CN701 4 way valve 2P yellow Sub P C board CNO1 TE sensor 2P white CN11 PMW 6P white CN12 PMV 6P red CNO04 TS sensor 3P white CNO2 TD sensor 3P white CNO3 TO sensor 2P white CNO5 TGa sensor 3P yellow CN14 TGb sensor 3P red CN10 Case thermo 2P blue CNO7 Lead for communication CN13 Lead for AC power supply These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the PC board base Remove the heat sink and control board assem bly while keeping them screwed together Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the P C board is inserted properly into the P C board support groove Disconnect the connectors Remove the two screws PT2F 4X10MS ZN then remove the Sub PC board base while disengaging the claws from the square holes Disengage the two claws of the Sub PC board base and remove the Sub PC board 110 www heronhill co uk Remarks Main P C b
182. y touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters and h a remove the electric dust collector Soee SM Fae TTT Ta WA E 1 a t gen H i 98 Tel 01823 665660 www heronhill co uk Fax 01823 665807 Part name Front panel Heronhill for all your Toshiba requirements Procedures Remarks 4 Press part under the front panel and remove hooks of the front panel from the installation plate Installation plate Front panel Press 5 Remove the front panel fixing screws 2 pcs 6 Press the electric parts box with the right thumb while pulling the both sides of the front panel toward you lt How to assemble the front panel gt A Electricydust Electric dust Collector Collector i 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Insert the electric dust collector and left and right air filters Press in the electric dust collector until the protrusions on both sides are completely inserted into th
183. your Toshiba requirements 11 8 2 How to Check Whether the Minus lon Generator is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash Ng YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between and pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between DE ee Ee and NO To item Power supply is not turned on Brown GND of CN1 of the high voltage generator in the air purifier YES Primary check Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened XES Micro switch is stuck Replace the power P C board MCC5020 or the housing assembly NO Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES we Micro switch malfunction 1 Check operation while short circuiting CN34 of the main P C board 2 Perform air purifying operation by the remote controller when a signal is received If time on the reactivation preventive timer is not shortened Because the power ON OFF is controlled on the program 3 Be sure not to touch the electrode with the human body e In this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and al
184. zing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m Hr or 0 02 MPa 0 2kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 19 Fax 01823 665807 4 1 Indoor Unit RAS B10GKVP E RAS B13GKVP E RAS B16GKVP E RAS M10GKCVP E RAS M13GKCVP E RAS M16GKCVP E Front panel Knockout system Heronhill for all your Toshiba requirements 4 CONSTRUCTION VIEWS Clips c E E E E ee 2 Plasma pure filter Indoor heat exchanger Remote controller holder 19 Installation plate Drain hose hanging section Outsid

SERVICE MANUAL - Heronhill Air Conditioning Ltd

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