TECHNICAL DATA & SERVICE MANUAL
Contents
1. Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 10 4 ELECTRICAL DATA 4 1 Electric Wiring Diagram HEAT PUMP MODELS SIZE mnm 8171615141321 ROOM FS 12 COIL ter tile HE da j gt JE a a Le BLU I GRN YEL SL 82 m BO LOS o Oh e TP FBRN O FRED J4 J7 3 GRN YEL L FUSE x ec d JP4 UPS qj yi 4712 RED 1 GRN YEL 11 4 2 Wiring System Diagram HEAT PUMP MODELS 1 phase 3 phase MPAF228R5T GRF228R7T POWER SUPPLY A INDOOR UNIT AC 230V OUTDOOR UNIT 1 PHASE 50Hz INDOOR UNIT POWER SUPPLY AC 400V 3 PHASE 50Hz MPAF188R5T GRF188R5T MPAF228R5T GRF228R5T COOLING MODELS 1 phase 3 phase MPAF188C5T GRF188L7T MPAF188C5T GRF188L5T MPAF228C5T GRF228L7T INODER LNIT OUTODOR WNIT INDODR UNIT QUTDODR UNIT A power supply m m GRF188 15 85 25 2 9 GRF228 15 65 20 9 Phase version 12 5 FUNCTION 5 1 Cool Mode Operation RAT SPT 3 m ES Re I 1 I 1 eee Lee i 1 uM n EE 0 I I m K 13 EN 1 1 _ 1 6 minutes i i Over 3 min minimum i i pi 1 ON2. TECHNICAL DATA 3 Technibel amp SERVICE MANUAL N ln atisation INDOOR UNIT MPAF188R5TAA MPAF188C5TAA MPAF228R5TAA 228 5 SPLIT SYSTEM AIR CONDITIONER MPAF188R5TAA 38 7104 033 MPAF228R5TAA 38 7104 034 MPAF188C5TAA 38 7104 037 MPAF228C5TAA 38 7104 038 0 8180 536 1 October 2008 D This product does not contain any hazardous substances prohibited by the RoHS Directive N warnne Y ou are requestedto use RoHS compliant parts for maintenance ar repair You are requested to use lead free solder IMPORTANT Please read before installation This air conditioning system meets strict safety and operating standards For the installer or service person it is important to install or service the system so that it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual The unit must be supplied with a dedicated electrical line A This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death CAUTION This symbol refers to hazard or unsafe practice which can result in personal injury or product or p
3. 2 The FMI will not be turned on until the indoor temperature is warm enough to prevent the supply of cool air see COLD DRAFT PREVENTION feature for details The indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 14 5 3 Auto cool heat Mode Operation RAT SPT C a c c m m m m m m de lt lt lt COOLING HEATING COOLING In Auto Mode the unit switches automatically between the Auto Cooling and Auto Heating in order to maintain the room temperature RAT at the prescribed set point SPT The switching between the two modes is according to the above graph Refer to the sections 5 1 COOLING MODE and 5 2 HEATING MODE for system operation details 15 5 4 Dry Mode Operation Dry operation remove moisture from indoor air running in cooling mode at a low level without reducing the ambient temperature This is done cycling ON and OFF indoor and outdoor units according to below ROOM TEMP gt SPT 2 C lt SPT 2 C gt SPT 1 C LEVEL 1 lt SPT 1 C gt 15 C LEVEL 2 SPT Set Point Temperature 5 5 Fan Mode Operation DRY LEVEL LEVEL 0 lt 15 C DRY OFF
4. 7 VLT WHT 68 84 VLT ORG 33 16 YEL ORG 73 55 YEL PNK 43 72 Safety devices Type termal protector Operating temp Open 130 8 79 15 Run capacitor 1 5 440 Stepping motor 2472 DC 12 V Coil resistance Ambient temp 25 Heat Exch Coil Coil 400 7 Aluminium plate fin Copper tube Rows 2 Fin pitch 1 3 Face area 0 25 DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 3 Other Component Specifications A040C5026AA Primary AC 230 V 50 Hz Secondary 13 V 5VA Thermal cut off temp PTC on the board C 883 120 C Thermistor Coil sensor NTC THERMISTOR Resistance kQ 10 at 25 C Thermistor Room sensor NTC THERMISTOR Resistance kQ 10 at 25 C DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 DIMENSIONAL DATA 240 285 WIEW DRAIN HOSE D 18 WIDE TUBE MPAF188xx D 12 7 1 2 MPAF228xx D 15 88 5 8 CENTER OF TUBING HOLE 2 PLACES NARROW TUBE D 6 35 1 4 dimension in mm 3 PERFORMANCE DATA 3 1 Air Throw Distance Chart Room air temp 27 C Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 0 Axis air velocity 02 Flap angle 30 Axis air velocity 30 Room air temp 20 C Fan speed High Horizontal distance m 1 2 3 4 5 6 7 8 9 Axis air velocity m s Vertical distance m
5. BLINKING ROOM SENSOR TH ROOM IS DEFECTIVE INDOOR COIL SENSOR STANDBY AND OPERATION LEDS ON THE FRONT OF THE UNIT ARE INDOOR COIL SENSOR IS DEFECTIVE BLINKING 31 7 ELETRICAL COMPONENTS 7 1 Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds 1 MOhm a Power Supply Wires Clamp the earthed wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires fig 1 Then measure the resistance between the earthed wire and the other power wires fig 1 b Unit Clamp an alluminium plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on N terminal and then on Lterminal the terminal plate fig 2 c Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the disired electric part from terminal plate PCB assy capacitor etc Similary disconnect the connector Then measure the insulation resistance fig 1 to 4 Refer to electric wiring diagram NOTE If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin 32 EATHER LINE COPPER BE OR METALLIC PART Fig 2 CLIP COPPER TUBE OR INSULATION METALLIC PART TESTER Fig 3 FROM FAN MOTOR COMPRESSO
6. ZONE FMO off Operation according to COOLING mode CM on FMO on FMI switches between L and off 30 seconds RV off CM switches 9 minutes off and 3 minutes on FMO switches 9 minutes off and 3 minutes FMI switches off and L during CM operation RV off CM off FMI off RV off With this mode the indoor fan is turned on while CM RV stay off all the time The user can select between 3 speeds HIGH MEDIUM and LOW 5 6 Auto Fan speed With this option selected the indoor fan speed changes automatically according to the difference between the detected air temperature RAT sensor and the set point SPT COOLING MODE 2 lt RAT SPT 1 lt RAT SPT lt 2 RAT SPT lt 1 HEATING MODE 2 lt SPT RAT SPT RAT 2 NOTE SPT Set Point Temperature HIGH speed MEDIUM speed LOW speed HIGH speed MEDIUM speed 5 7 Forced Mode In this mode the system operates COOLING or mode fixed settings or is switched off by means of the MODE button of the indoor unit control board The operation modes can be selected pressing the button in cyclic way OFF gt COOL gt HEAT gt OFF The settings are COOLING mode SET POINT temperature 25 C FAN SPEED HIGH HEATING mode SET POINT temperature 21 C FAN SPEED HIGH 5 8 Protection operations in Cool and Dry Mode This protection prevents ice formation on the indoor coil heat exchanger The
7. the air conditioner Dip switch is located on the indoor PCB near the buzzer Set the PCB to the address desidered UNIT SETTINGS ON ADDRESS SW1 SW2 __ 3 of of off 1 2 default switches SW1 and SW2 are in off status PCB factory state How to change address on Remote Control Unit Dip switch is located on the battery compartment 1 Pull out the door and remove the batteries 2 Set the switch SW1 SW2 according to the indoor PCB settings do not act SW3 SW4 3 Insert the batteries and pull on the door default switches SW1 and SW2 are in off status remote controller factory state IECROS UM 4 AAA IECROS 1 517 jas MMC E 24 6 TROUBLESHOOTING 6 1 Check Before and After Troubleshooting A Check power supply wiring Check the power supply wires correctly connected B Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied WARNING If the following troubleshooting must be done with power supplied be careful not to touch any uninsulated live part that can cause eletric shock 6 2 Circuit Breaker Trips
8. 5TAA Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 04mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Cross flow Dia and lenght 1 88 L 746 Fan motor model Q ty 20 215 5 1 No Of poles rpm 230 V 2 1550 1250 1025 Nominal output 24 07 Coil resistance Ambient temp 20 C BRN WHT 163 7 VLT WHT 68 84 VLT ORG 33 16 YEL ORG 73 55 YEL PNK 43 72 Safety devices Type termal protector Operating temp 130 8 79 15 Run capacitor 1 5 440 Stepping motor 24 2 DC 12 V Coil resistance Ambient temp 25 Heat Exch Coil Coil 400 7 Aluminium plate fin Copper tube Rows 2 Fin pitch 1 3 Face area 0 25 DATA SUBJECT TO CHANGE WITHOUT NOTICE MPAF228R5TAA MPAF228C5TAA Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Cross flow Dia and lenght 1 88 L 746 Fan motor model Q ty UF2Q 21SB5P 1 No Of poles rpm 230 V Hi Me Lo 2 1550 1250 1025 Nominal output 24 07 Coil resistance Ambient temp 20 C BRN WHT 163
9. EAT PUMP MODELS COOLING MODELS Opn open 22 5 14 Contacts for Building Automation 5 14 1 INPUT CONTACT J4 green The status of this input affects system operation according to the following Contact OPEN system does not operate always OFF inputs from wireless remote controller are not processed Contact CLOSED system operates in the normal way according to the inputs coming from wireless remote controller 5 14 2 OUTPUT CONTACT J12 This connector is directly tied to the contact normally open of a power relay which activates every time the following alarm condition occur RAT damaged e ICT damaged In this case when alarm happens on poles 1 and 3 of J12 connector 220 VAC 50Hz are available Max electrical load 1A 240 INPUT CONTACT CONNECTOR J4 GREEN STATUS CLOSED AA PL uz DI E OUTPUT CONTACT CONNECTOR 12 RED USED TO SIGNAL AN ALARM CONDITION EXAMPLE SIGNAL LAMP WHEN ALRM IS ON LAMP LIGHTS UP S2 SIGNAL LAMP S FIELD SUPPLY 23 5 15 Maintenance Changing the Address of the Air Conditioner In case of more than one air conditioner operating in the same room it may be necessary to assign an address to each unit in order to avoid operation conflicts Address is set acting on the dip switches located on the indoor PCB and on the remote controller The PCB settings must match the corresponding ones on the wireless remote controller How to change address of
10. I I CM orr i GE i I ON EE NE lorr I I Over 30 sec H T 1 ool I I FMI IM L ON RV OFF In Cooling Mode the operation of the compressor CM Outdoor Fan and Indoor Fan FMI are determined by the difference between the room air temperature RAT and the set point temperature SPT as shown in the graph NOTES 1 In this graph the FMI is operating with the Auto Fan Speed setting If the user has selected the Low Medium or High fan speed the FMI will run constantly at that speed only 2 In addition to the temperature difference of above the operations of the main components CM FMO FMI is also controlled by protection delays That is the minimum off time of compressor is 3 minutes the minimum off time of compressor is 3 minutes the indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 13 5 2 Heat Mode Operation RAT SPT C OFF Heating mode operation is similar to the Cooling mode operation The FMI mainly controlled by the value of RAT SPT In the graph above the FMI is operating in AUTO speed mode Therefore the FMI speed changes automatically according to the RT SPT NOTES 1 After the CM has stopped the FMI runs for 305 in order to purge heat from the indoor coil
11. Prevention Mode Set speed ANDRY 2 o keo LED OFF 18 5 9 3 Overheat This feature prevents the build up of high pressure in the indoor heat exchanger during heating operation ICT C i i 1 I l l i 1 i 1 1 I I l l 1 i 1 i i 1 E x ANY i CM off forced i MPAF188R5 MPAF228R5 19 5 10 I FEEL Function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller icon FEEL shown on the display This feature provides personalised environment since the temperature can be detected where the remote controller is located It is possible to de activate this option pressing the FEEL button on the remote controller In this case the FEEL icon is no longer displayed and room temperature is detected through the sensor included in the indoor unit 5 11 NIGHT Function When this function is active room temperature changes automatically to compensate for body temperature variations while sleeping After 10 hours of operation system switches automatically to OFF state This mode of operation is available both in COOLING and HEATING mode Room temperature _ NIGAT function active System switches to OFF state COOLING
12. R AND OTHER PARTS METALLIC 0 PART PROBE Y m s Jj CLIP INSULATION O TESTER Fig 4 7 2 Checking Continuity of fuse on PCB assy Remove PCB assy from electrical component box fig 5 FUSE Then pull out the fuse from PCB assy ASS Y Fig 5 Check continuity of fuse by the multimeter fig 6 FUSE Fig 6 7 3 Checking Motor Capacitor Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and the gradually returns to its original position The range of deflection and deflection time deffer according to capacity of the capacitor COMPRESSOR MOTOR CAPACITOR FAN MOTOR CAPACITOR Fig 7 33 vt Technibel R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse 759 200 728
13. T RUN inm a TRY TO OPERATE WITH ANOTHER T TRY TO OPERATE WITH ANOTHER ins REMOTE CONTROLLER REMOTE CONTROLLER 1 DOES THE UNIT RUN d DOES THE UNIT RUN THE FIRST REMOTE CONTROLLER IS THE FIRST REMOTE CONTROLLER IS DEFECTIVE DEFECTIVE 29 6 7 Poor Cooling or Heating FEEL IS SELECTED CHECK THE POSITION OF THE CHANGE THE POSITION OF THE DOES THE AIRFLOW FROM THE UNIT REACH DIRECTLY THE REMOTE CONTROLLER YES REMOTE CONTROLLER REMOTE CONTROLLER IS THE INDOOR FAN SPEED SET IN YES SET FAN SPEED TO MEDIUM OR HIGH LOW SPEED COOLING HEATING LOAD IF THE PERFORMANCE OF THE UNIT IS NORMAL REDUCE COOLING HEATING LOAD OR INSTALL REVIEW COOLING HEATING LOAD ESTIMATE AN ADDITIONAL UNIT FEEL IS SELECTED MEASURE TEMPERATURE OF SUCTION AND DISCHARGE AIR IS THE TEMPERATURE DIFFERENCE BETWEEN SUCTION AND DISCHARGE AIR TOO BIG 15 C OR MORE THERE IS THE POSSIBILITY OF GAS SHORTAGE CHARGE THE REFRIGERANT GAS YES THE AIR FILTER IS CLOGGED 30 6 8 Excessive Cooling or Heating x FEEL IS SELECTED x THE REMOTE CONTROLLER OF THE UNIT IS PLACED IN POSITION WHERE CHANGE THE POSITION OF THE DETECT PROPERLY ROOM TEMPERATURE REMOTE CONTROLLER 6 9 Sensor Is Defective ROOM SENSOR TH ROOM STANDBY LED ON THE FRONT SIDE OF THE UNIT IS
14. TOO LOW s a m P CHECK ROOM SENSOR TH ROOM YES THE PCB ASSY IS DEFECTIVE IS IT OK TT NO FTF REPLACE ROOM SENSOR TH ROOM 26 6 5 Some Parts of the Air Conditioner Do Not Operate INDOOR OUTDOOR FAN DOES NOT RUN CHECK FOR FOREIGN MATTER INSIDE THE FAN CASING REMOVE FOREIGN MATTER OR REPAIR THE FAN CHECK THE FAN ROTATION TURN THE FAN GENTLY ONCE OR TWICE BY HAND CAN THE FAN BE TURNED ON FAN MOTOR BURNOUT OR REPAIR THE FAN OR FOREIGN MATTER IN BEARING REPLACE IT REPLACE THE FAN MOTOR CHECK FAN MOTOR CAPACITOR CAPACITOR IS IT DEFECTIVE MEASURE THE RESISTANCE OF THE FAN MOTOR WINDING a IS IT _ YES REPLACE THE FAN MOTOR MEASURE THE RESISTANCE OF THE COMPRESSOR MOTOR WINDINGS ie IS IT DEFECTIVE REPLACE THE COMPRESSOR MOTOR um Cm lt lt CHECK THE COMPRESSOR MOTOR CAPACITOR vEs amp REPLACE THE COMPRESSOR MOTOR gt IS IT DEFECTIVE hc CHECK THE OVERLOAD RELAY OLR u ISITTRIPPEDANDIS THE COMPRESSOR THE OLR IS DEFECTIVE REPLACE IT EMPERATURE ABNORMALLY GH m IS THERE A SHORTAGE OF REFRIGERANT GAS iS YES CHARGE WITH REFRIGERANT GAS CHECK THE COMPRESSOR THERE IS A POSSIBILITY OF LOCKED ROTOR REPLACE THE COMPRESSOR 27 6 6 Air Conditioner Operates but Ab
15. and DRY modes SPT 2 C SPT 1 C SPT SPT 1 C SPT 2 C SPT 3 C ee HEATING mode Start Of rC n NIGHT Hours function 10 20 5 12 Diagnostic With this feature is possible to have visual signal that a trouble is occurring This mode is always active and the signalling is made through the display board LEDS In case of no troubles the LEDS status follows its normal function NOTES e The troubles are showed according a priority list that is in case of more than trouble present is always showed at first the one with the highest priority 1 gt 2 gt 3 etc Sensor damaged means a situation where sensor is short circuited or opened Incase of damaged sensors the system CM FMI etc if in OFF state does not start Priority TROUBLE LEDS status Effects LD1 LD2 opr LD3 timer 2 RATdamoged F O O System does not operate 3 ICT damaged a O LED off LED on F LED blinking 21 5 13 JUMPERS CONFIGURATION Jumpers are located on the indoor PCB near the MODE button HEAT PUMP MODELS COOLING MODELS Qo JP1 JP2 5 D JP G m JP3 JPA a CE JPS UPS Unit is shipped with jumpers set according to the following table JUMPER STATUS H
16. bing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each type of line When transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminium fins on the air conditioner can cut your fingers When installing In a ceiling or wall Make sure the ceiling wall is strong enough to hold the unit weight It may be necessary to build a strong wooden or metal frame to provide added support In a room Properly insulate any tubing run inside a room to prevent sweating which can cause dripping and water damage to walls and floors In moist or uneven locations Use a raised concrete base to provide a solid level foundation for the outdoor unit This prevents damage and abnormal vibrations area with strong winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In snowy area for heat pump type systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When connecting refrigerant tubing Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connectin
17. g them screw by hand and then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as narrow tube for liquid wide tube for gas When servicing Turn the power OFF at the main power board before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after the work remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced Ventilate the room during the installation or testng the refrigeration system make sure that after the installation no gas leaks are present because this could produce toxic gas and dangerous if in contact with flames or heat sources Table of Contents 1 SPECIFICATIONS 1 1 Unit specifications 1 2 Major Component specifications 1 3 Other Component specifications 2 DIMENSIONAL DATA 3 PERFORMANCE DATA 3 1 Air Throw Distance Chart 4 ELECTRICAL DATA 4 1 Electric Wiring Diagram 4 2 Wiring System Diagrams 5 FUNCTION 5 1 Cool Mode Operation 5 2 Heat Mode Operation 5 3 Auto cool heat Mode Operation 5 4 Dry Mode Operation 5 5 Fan Mode Operation 5 6 Auto Fan Speed 5 Forced Mode 5 8 Protection Operations in Co
18. normalities are Observed OPERATION DOES NOT SWITCH FROM HEAT TO COOL AND OR FROM COOL TO HEAT REMOTE CONTROLLER UNIT MAY BE DEFECTIVE MEASURE THE RESISTANCE OF THE SOLENOID COIL WINDING 205 4 WAY VALVE RECEIVER ASSY MAY BE DEFECTIVE CHECK MODE BUTTON ON THE UNIT PUSH THE MODE BUTTON THE UNIT DOES NOT RUN ASSY 15 DEFECTIVE CHECK REMOTE CONTROL UNIT d k ar TRY TO OPERATE WITH ANOTHER S THE FIRST REMOTE CONTROLLER IS REMOTE CONTROLLER an DEFECTIVE DOES THE UNIT RUN CLEAN THE IR TRANSMITER OF THE LC REMOTE CONTROLLER REMOTE CONTROLLER IS IT DIRTY m ad CHECK THE IR RECEIVER Sa YES INDOOR UNIT AT IS IT DIRTY CLEAN THE IR RECEIVER OF THE INDOOR UNIT 28 CHECK FUSE ASSY IN THE UNIT CHECK FUSE ON PCB ASSY IF THE FUSE BLOWS THERE IS THE POSSIBIBILITY OF A SHORT CIRCUIT E MEASURE THE RESISTANCE OF THE gt 8 REPLACE THE FAN MOTOR INDOOR FAN MOTOR WINDINGS uw Em a DEFECIVE P dd PCB ASSY IS DEFECTIVE REPLACE THE ASSY CHECK SETTING TEMPERATURE LOWER SET POINT TEMPERATURE USING RAISE SET POINT TEMPERATLIRE USING TEMPERATURE SETTING BUTTON OF THE TEMPERATURE SETTING BUTTON QF THE REMOTE CONTROLLER REMOTE CONTROLLER HEATING THE UNIT STILL DOES RUN THE UNIT STILL DOES NO
19. ol and Dry Modes 5 9 Protection Operation in Heat Mode 5 10 I FEEL Function 5 11 NIGHT Function 5 12 Diagnostic 5 13 Jumpers Configuration 5 14 Contacts for Building Automation 5 15 Maintenance 6 IROUBLESHOOTING 6 1 Check before and after troubleshooting 6 2 Circuit Breaker Trips or Fuse Blows 6 3 Circuit Breaker in several minutes after turning air conditioner 6 4 Unit and Compressor do not run 6 5 Some parts of the Air Conditioner do not operate 6 6 Air Conditioner operates but abnormalities aer observed 6 Poor Cooling or Heating 6 8 Excessive Cooling or Hating 6 9 If a Sensor is defective 7 CHECKING ELETRICAL COMPONENTS 7 1 Measurement of Insulation Resistance 7 2 Checking Continuity of Fuse on PCB Ass y 7 3 Checking Motor Capacitor Page o gt cO 10 10 11 11 11 12 12 13 14 15 15 15 16 16 17 19 19 20 21 22 23 24 24 24 24 25 26 27 29 30 30 31 31 32 32 1 SPECIFICATIONS 1 1 Unit Specifications MPAF188R5TAA MPAF188C5TAA 220 240 V 50 Hz Voltage rating 230 V 50 Hz Performance Capacity See catalogue with the requested matching Air circulation High Med Low m h 880 710 580 Controls Temperature controls Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Horizontal Manual Vertical Auto Air Filter Washable Anti Mold Power noise level High dB A 59 Refrigeran
20. or Fuse Blows When circuit breaker is set to ON it trips in a few moments Resetting is not possible Measure insulation resistance There is a possibility of ground fault If resistance value is 1 Mohm or less insulation is defective 6 3 Circuit Breaker Trips in Several Minutes After Turning Air Conditioner On 1 There is the possibility of short circuit _ CHECK CAPACITY OF CIRCUIT m BREAKER REPLACE WITH ANOTHER OF LARGER CAPACITY OF CIRCUIT BREAKER IS 2 7 CAPACITY SUITABLE NT YES v MEASURE RESISTANCE OF COMPRESSOR MOTOR WINDING MEASURE RESISTANCE OF OUTDOOR FAN MOTOR WINDING 29 2 The unit does not run Power is not supplied Check fuse on PCB assy IF FUSE BLOWS THERE IS POSSIBILITY OF SHORT CIRCUIT P CHECK POWER SUPPLY lt IS POWER BEING SUPPLIED TO gt WALL RECEPTACLE e MEASURE RESISTANCE OF INDOOR FAN MOTOR WINDING CIRCUIT BREAKER 15 POWER FAILURE TRIPPED WAIT FOR RESET THE RECOVERY OR BREAKER CONTACT POWER COMPANY 6 4 Unit and Compressor Do Not Run The unit does not run when air conditioner is in the follwing conditions When the room temperature is below the setting temperature During the protection modes CHECK PCB a E A d TRY TO LOWER SET POINT TEMPERATURE THROUGH THE REMOTE CONTROLER E DOES THE UNIT RUN e IS THE ROOM TEMPERATURE
21. protection is activated by the indoor coil temperature ICT sensor and only after 6 minutes of compressor operation This protection acts in 2 levels LEVEL 1 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR ON OUTDOOR FAN cycling 30 seconds ON 30 seconds OFF LEVEL 2 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR OFF for at least 6 minutes and until ICT 2 8 C OUTDOOR FAN OFF for at least 6 minutes and until ICT gt 8 C The system exit this protection routine when ICT temperature rises above 8 C 5 9 Protection operations in Heat Mode HEAT PUMP MODELS 5 9 1 Cold draft This feature prevents the supply of cold air forcing the indoor fan to a speed which cannot be changed by the user soon as the protection mode is exited speed can be changed manually through the remote controller The protection acts in the following Fan speed can be IC T gt 32 changed manually Indoor coil temperature ICT C 5 9 2 Defrost The defrost process is controlled by a detection algorithm designed in order to mantain optimal utilization of the heat pump capacity especially during negative outdoor temperature conditions During DEFROST OPERATION the main components operates according to the following chart Start of DEFROST OPERATION End of DEFROST OPERATION 30 sec 30 sec QN 1 CM ON FMO Lese 6 sec 1 FMI Cold Draft
22. roperty damage If necessary get help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sale service outlet or your certified dealer for additional instructions In case of improper installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS During installation connect before the refrigerant system and then the wiring one proceed in the reverse orden when removing the units __ when wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY QUALIFIED EXPERIENCED ELECTRICIANS SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked to ensure the grounding Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury and death Ground the unit following local electrical codes The Yellow Green wire cannot be used for any connection different from the ground connection Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard Do notallow wiring to touch the refrigerant tu
23. t tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 4 tube diameter Wide tube mm in 12 7 1 2 Refrigerant R410A Refrigerant tube kit Air clean filter Optional Optional Dimensions amp Weight Unit dimensions Height Width Depth Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE MPAF228R5TAA MPAF228C5TAA 220 240 V 50 Hz Voltage rating 230 V 50 Hz Performance Capacity Air circulation High Med Low Controls Temperature controls See catalogue with the requested matching m h 880 710 580 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Horizontal Manual Vertical Auto Air Filter Washable Anti Mold Power noise level High dB A 59 Refrigerant tubing connections Flare type Refrigerant Narrow tube mm in 6 35 1 4 tube diameter Wide tube mm in 15 88 5 8 Refrigerant R410A Refrigerant tube kit Air clean filter Dimensions amp Weight Unit dimensions Height Width Depth Optional Optional Package dimensions Height Width Depth Weight Net Shipping Shipping volume DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 2 Major Component Specifications 188 5 MPAF188C
Download Pdf Manuals
Related Search