INSTALLATION MANUAL
Contents
1. 19K Drain elbow 25K 30K 34K 45K Drain elbow Refrigerant piping work 3 Refrigerant piping work 1 Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them fully with the tor wrenches Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and escaping gas Flare nut fightening torque Flare nut for 36 35 14 2 17 2N m 144 175kgf cm Coat here with refrigeration oil Flare nut for 9 52 32 7 39 9N m 333 407kgf cm x Flare nut for 12 7 49 5 60 3N m 505 615kgf cm Torque spanner Flare nut for D 15 88 61 8 75 4N m 630 769kgf cm Valve cap tightening torque Service port cap tightening torque Liquid pipe 26 5 32 3N m 270 330kgf cm 10 8 14 7N m 110 150kgf cm Gas pipe 48 1 59 7N m 490 610kgf cm 2 To prevent gas leakage apply refrigeration oil on both inner and outer surfaces of the flare Use refrigeration oil for R410A 4 Purging air and checking gas leakage When piping work is completed it is necessary to purge the air and check for gas leakage N WARNING 1 Do not mix any substance other than the specified refrigerant R410A into the refrigeration cycle 2 When refrigerant gas leaks occur ventilate the room as soon and as much as possible 3 R410A as well as other refrigerants should always be recovered and never be re2. INSTALLATION MANUAL wi YORK BY JOHNSON CONTROLS Outdoor Inverter R410A 50HZ YJU3 4 5 YHO19 045BARXA X Read this manual before installation and operation Make sure that it is well kept for later reference Jj Johnson 0150512524 Controls Contents Safety Precautions Accessories Precautions for Selecting the Location Installation drawings of indoor and outdoor units Precautions on Installation Outdoor Unit Installation Guideline Limitations on the installation Refrigerant piping work Pump Down Operation Wiring work Test running Trouble shooting EUROPEAN REGULATIONS CONFORMITY FOR THE MODELS CE All the products are in conformity with the following European provision Low Voltage Directive 73 23 EEC Low Voltage Directive 2006 95 EC Electomagnetic CompatibilitY 89 336 EEC Electomagnetic CompatibilitY 2004 108 EC ROHS The products are fulfilled with the requirements in the directive 2002 95 EEC of the European parliament and of council on the Restriction of the use of Certain Hazardous Substances in Electrical and Electronic Equipment EU RoHS Directive WEEE In accordance with the directive 2002 96 CE of the European parliament herewith we inform the consumer about the dis posal requirements of the electrical and electronic products DISPOSAL REQUIREMENTS Your air conditioning product is marked with this symbol This means that electrical and electronic products sh
3. e ISIS ba o 8 12 2 2 2 9 9 8 8 2 2 2 n 2 FO o fo fo fo fo fo o o lt 3 0 3 3 0 2 2 a a 0 Jo S S 81 13 12 8 88 88 8 82 132 gt 13 3 13 3 3 3 3 3 3 15 1 13 8 gt 5 5 5 5 9 gt gt gt 3 ala F 13 Io Io la la la la le lo o E OR Oe Fe on Com tom Com tom fom Com foe fom r le 2 5 5 gt gt 5 gt gt gt gt s a 5 o o Io o o o o o gt O lun ololojolojojojojoja 10 gt 1515 515 31313 31 5 sh SIS S SISISIS S S 5 psa ya yaya yay 5 SSS S S S S S 5 o ofjojafalojofoto jo ojojoljojo S 9 8 8 9 8 18 8 s c c e e I c e lt lt lt lt 5 51 515 5 5 3 3 3 3 mjojojo gt jO O w gt gt Johnson Mi Controls 2014 Johnson Controls Inc www johnsoncontrols com AHUMXHAMX 140302 Johnson Controls reserve the right to change product features without prior notice
4. e Be sure to use the suplied or specified installation parts Use of other parts may cause the unit to cometo lose water leakage electrical shock or fire e Install the air conditioner on a solid base that can support the unit s weight An inadequate base or incomplete installation may cause injury in the event the unit falls off the base e Electrical work should be carried out in accordance with the installation manual and the national electrical wiring rules or code of practice Insufficient capacity or incomplete electrical work may cause electrical shock or fire e Be sure to use a dedicated power circuit Never use a power supply shared by another appliance e For wiring use a cable long enough to cover the entire distance with no connection Do not use an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire e Use the specified types of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnectiong wires so their terminals terminals receive no external stresses Incomplete connections or clamping may cause terminal overheating or fire e After connectiong interconnecting and supply wiring be sure to shape the cables so that they do not put undue force on the electrical covers or panels Install covers over the wires Incomplete cover installation may cause terminal overheati
5. unit 5 Example wiring diagram Wiring diagram please refers to 34K Mi o O O y T 7 T Y T A a PAA Es l N amp Er gt el al Esg l J L SU A B C D E ia ae Se Bd ia o al CO Ham Ba ia ae i 24 aja Ar 2 30 2 36 2 36 2 36 236 YCEA001 perreo narrar See ZN Tr ZX LL HA ME LE E O OJO O Q y F 1 E E Shape the wires so that Secure the branch wiring firmly using the 4 Use the specified there is no lifting of the included screws as shown in the figure wires and connect service hatch or other Secure firmly making sure no outside them securely structural parts pressure is exerted on the terminals 13 Test running e Before starting the test running please confirm the following works have been done successfully 1 Corre
6. all not be mixed with unsorted household waste Do not try to dismantle the system yourself the dismantling of the air conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legislation Air conditioners must be treated at a specialized treatment facility for reuse recycling and recovery By ensuring this product is disposed of correctly you will help to prevent potential negative cons equences for the environment and humen health Please contact the installer or local authority for more information Battery must be removed from the remote controller and dis posed of separately in accordance with relevant local and nationl legislation IMPORTANT INFORMATION REGA RDING THE REFRIGERANT USED Contains fluorinated greenhouse gases covered by the Kyoto Protocol This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent into the atmosphere Refrigerant type R410A GWP value 1975 GWP global warming potential Please fill in with indelible ink 1 the factory refrigerant charge of the product 2 the additional refrigerant amount charged in the field and 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop val
7. arging with refrigerant Outdoor Unit Standard total liquid Max total liquid piping 1 This system must use refrigersant R410A piping length length 2 Add refrigerant 20g per meter when the total piping length exceeds the standard value but make sure that the total liquid 19K 30m 50m piping length should be less than the max value 25K 30K 40m 70m 34K 40m 80m 45K 40m 100m Notes 1 When using this product you need not to set the address But the L N wires between indoor amp outdoor units must be corresponded or there will be communication failure 2 Quiet Operation Setting Set the DIP 8 to ON position of SW5 the system will run with lower noise but the max capacity will also reduce slightly 3 Do not change the settings of other switchs wrong settings can make the system damage or other malfunctions 7 Precautions for Laying Refrigerant Piping e Cautions on pipe handling 1 Protect the open end of the pipe against dust and moisture 2 All pipe bends should be as gentle as possible Use a pipe bender for bending Bending radius should be 30 to 40mm or larger e Selection of copper and heat insulation materials When using commercial copper pipes and fittings observe the following 1 Insulation material Polyethylene foam Heat transfer rate 0 041 to 0 052W mK 0 035to 0 045kcal mh C Refrigerant gas pipe s surface temperature reaches 110 C max Choose heat insulation materials that will withstand this temp
8. ct piping work 2 Correct wiring work 3 Correct match of indoor and outdoor unit 4 Proper recharge of refrigerant if needed e Make sure that all the stop valves are fully open e Check the voltage supplied to the outdoor and indoor units please cinfirm that is 230V e Wiring Error Check This product is capable of automatic checking of wiring error na u Switch on all the 4 dip switches on the outdoor unit small service PC board as shown on the right Then power Est ON_SWt off the unit and power on again the system will enter the operation of Wiring Error Check After 3 minutes eee stand by the unit starts for automatic wiring checking 1234 Approximately 30 50minutes depends on how many units installed in the system after the unit starts the 7 CN1 Errors of the wiring will be shown by the LEDs 1 to 5 E H gt bd During this operation the digital number will alternately show the compressor working frequency e g 50 stands for the current running frequency and letter CH means checking After this operation if all the wiring is correct the digital number will show 0 if there has wrong wiring the digital number will show EC error connection and also it will flashing The service monitor LEDs indicate the error of wiring as shown in the table below For details about how to read the LED display refer to the ser
9. erature 2 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below Gas pipe Gas pipe insulation O D 9 52mm 12 7mm 1 D 12 15mm 12 7mm Thickness 0 8mm Thickness 13mm min Liquid pipe Liquid pipe insulation O D 6 35mm 1 D 18 10mm Thickness 0 8mm Thickness 10mm min 10 Refrigerant Piping Work 3 Use separate thermal insulation pipes for gas and liquid refrigerant pipe Inter unit wiring i Be sure to Wall en BE place a cap Liqyid pipe i Rain If no flare cap is available cover the Liquid pi flare mouth with tap Liquid pipe to keep dirt or water insulation insulation out Finishing tape Drain hose Check Flare s inner The pipe end surface must b must be evenl flaw free r flared in a perfect E Cut exactly at right Remove burrs circle angles Make sure that the flare nut is fitted Set exactly at the position shown below JA Flare tool for R410A Conventional flare tool A Clutch type Clutch type Rigid type Wing nuttype Imperial type a die 0 0 5mm 1 0 1 5mm 1 5 2 0mm 8 Cutting and Flaring work of piping e Pipe cutting is carried out with a pipe cutter and burs must be removed e After inserting the flare nut flaring work is carried out Wilk m LL Wi ri bf tr dy Q q 9 52mm 3 8 1 0 1 5 Ba Flare tooling d
10. explain to our customers how to operate through the instruction manual e Seven segment numeric display 1 When unit is runing this seven segment numeric will display the frequency of compressor For example H means compressor running frequency is 40 Hz H means compressor running cya ENS frequency is 108Hz CNA ml 2 When faulty happens seven segment numeric will flash and display some numbers this number is a failure code For example a flashing 3 g means No 32 failure that is indoor and outdoor communication _ ein error Ol mi Fo o N 123 45 e Communication LED 5 green LED means 5 indoor units If one LED keep lighting that means the corresponding indoor unit has good communication with outdoor unit If one LED is not lighting that means there is no communication between indoor and outdoor 14 Trouble shooting Possible reasons code use the timer and runing lamp Timer amp Running lamp flash time flash time ao po 1 4 aulty of outdoor unit EEPROM PM overcurrent or short circuit Communication failure between Module and ECU Communication cables broken or not well connected Module operated overload Module low or high DC voltage under 192V or above 375V Discharging temperature overheating Lack of refrigerant ambient temperature too high or PMVs blocked Malfunction of the DC fan mo
11. he like so that the operation noise will cause no trouble 4 There must be sufficient space for carrying the unit into and out of the site 5 There must be sufficient space for air passage and no obstructions around the air inlet and the air outlet 6 The site must be free from the possibility of flammable gas leakage in a nearby place Locate the unit so that the noise and the discharged hot air will not annoy the neighbors 7 Install units power cords and inter unit cables at least 3 meter away from television and radio sets This is to prevent interference to images and sounds Noises may be heard even if they are more than 3 meter away depending on radio wave conditions 8 In coastal areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the air conditioner 9 Since drain flows out of the outdoor unit do not place under the unit anything which must be kept away from moisture NOTE Cannot be installed hanging from ceiling or stacked N CAUTION When operationg the air conditioner in a low outdoor ambient temperature be sure to follow the instructions described below 1 To prevent exposure to wind install the outdoor unit with its suction side facing the wall 2 Never install the outdoor unit at a site where the suction side may be exposed directly to wind 3 To prevent exposure to wind it is recommended to install a baffle plate on the air discharge side of the outdoor unit 4 In hea
12. ie Gas side p 12 7mm 1 2 1 0 1 5 Lean Damage of flare Crack Partial Too outside 9 On drainage Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below DL 7 5cm GA It becomes high The end is immersed It gap with the ground its There is the bad midway in water It waves too small smell from a ditch EN y e Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out serely to outdoor e In case that the attached drain hose is in a room please apply heat insulation to it without fail N WARNING 1 Do not use mineral oil on flared part 2 Prevent mineral oil from getting into the system as this would educe the lifetime of the units 3 Never use piping which has been used for previous installations Only use parts which are delivered with the unit 4 Do never install a drier to this R410A unit in order to guarantee its lifetime 5 The drying material may dissolve and damage the system 6 Incom ete flaring may cause refrigerant gas leakage 11 Pump Down Operation In order to protect the environment be sure to pump down when relocating or disposing of the unit 1 Remove the valve caps from liquid stop valve and gas stop valve 2 Carry out forced cooling operation liquid 3 After five to ten minutes close the liquid stop valve with a hexagonal wrench stop valve Hexago
13. iping is as short as possible Shortest allowable length per room is 3m Outdoor unit capacity class 19K 25K 30K 34K 45K 25m max Piping to each indoor unit 25m max 25m max 25m max 50m max Total length of piping between al lunits 70m max 100m max 80m max Limitations on the installation Level difference 15m max Outdoor Unit Level difference If the outdoor unit is positioned higher than the indoor units Level difference 15m max Level difference 7 5m max Indoor Unit If the outdoor unit is positioned higher than the indoor units If lower than one or more indoor units Refrigerant piping work 1 Installing outdoor unit Indoor Unit Level Level difference difference 7 9m max 15m max Outdoor Unit If the Indoor unit is positioned higher than the outdoor units 1 When installing the outdoor unit refer to Precautions for Selecting the Location and the Indoor Outdoor Unit Installation Drawings 2 If drain work is necessary follow the procedures below 2 Drain work 1 Use drain plug for drainage 2 If the drain port is covered by a mounting base or floor surface place additional foot bases of at least 30mm in height under the outdoor unit s feet 3 In cold areas do not use a drain hose with the outdoor unit Otherwise drain water may freeze impairing heating performance
14. kage If the gas leaks and builds up around the unit it may catch fire e Establish drain piping according to the instructions of this manual Inadequate piping may cause flooding e Tighten the flare nut according to the specified method such as with a torque wrench If the flare nut is tightened too hard the falre nut may crack after a long time and cause refrigerant leakage e Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean 3 Accessories Accessories supplied with the outdoor unit No Drawing Name of parts Quantity Note 1 19K 1 E Drainage elbow 3 25K 30K 34K 45K 2 lt gt Rubber cushion 4 19K 25K 30K 34K 45K 1 19K 3 Oo Clap 3 25K 30K 34K 45K A BI Adaptor 3 8 1 2 1 19K 25K 30K 34K 45K 1 25K 30K 34K 5 Arie Adaptor 1 2 gt 3 8 2 45K 6 o Adaptor 1 2 gt 5 8 1 45K Precautions for Selecting the Location 1 Choose a place solid enough to bear the weight and vibration of the unit where the operation noise will not be amplified 2 Choose a location where the hot aire discharged from the unit or the operation noise will not cause a nuisance to the neighbors of the user 3 Avoid places near a bedroom and t
15. leased directly into the environment 4 Use a vacuum pump for R410A exclusively Using the same vacuum pump for different refrigerents may damage the vacuun pump or the unit e If using additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant e Use a hexagonal wrench 4mm to operate the stop valve rod e All refrigerant pipe joints should be tightened with a torque wrench at the specified tightening torque Connect projection side of charging hose Which comes from gauge manifold to gas stop valve s service port Fully open gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi High pressure valve subsequently requires no operation Apply vacuum pumping Check that the compound pressure gauge reads 0 1MPa 76cmHg Evacuation for at lease 1 hour is recommended Close gauge manifold s low pressure valve Lo and stop vacuum pump Leave as is for 4 5 minutes and make sure the coupling meter needie does not go back If it does go back this may indicate the presence of moisture or leaking from connecting parts After inspecting all the connection and loosening then retightening thenuts regeat steps 2 4 Remove covers from liquid stop valve and gas stop valve Turn the liquid stop valve s rod 90 degrees counterclockwise with a hexagonal wrench to ope
16. m from the foundation surface 20 Ms Outdoor Unit Installation Guideline Where a wall or other obstacle is in the path of outdoor unit s intake or exhaust airflow follow the installation guidelines below For any of the below installation pattems the wall height on the exhaust side should be 1200mm or less Wall facing one side More than 50 More than 300 Side view Wall facing two sides N 4 _ Mor More han 100 than 300 1 ja i l j More than 100 Side view than 50 A Wall facing three sides N More than 150 Side view More than 503 N More than 300 Limitations on the installation 1 Precautions on installation e Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise after installation e In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts e It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface 2 Selecting a location for installation of the indoor units e The maxinum allowable length of refrigerant piping and the maxmum allowable height difference between the outdoor and indoor units are listed below The shorter the refrigerant piping the better the performance Connect so that the p
17. n valve Close it after 5 seconds and check for gas leakage Using soapy water check for gas leakage from indoor unit s flare and outdoor unit s flare and valve rods After the check is complete wipe all soapy water off Disconnect charging hose from gas stop valve s service port then fully open liquid and gas stop valves Do not attempt to turn valve rodj beyond its stop Tighten valve caps and service port caps for the liquid and gas stop valves with a torque wrench at the specified torques See 3 Refrigerant piping on page 6 for details 9 Refrigerant piping work 5 Refilling the refrigerant Check the type of refrigerant to be used on the machine namiplate Precautions when adding R410A Fill from the liquid pipe in liquid form It is a mixed refrigerant so adding it in gas form may cause the refrigerant composition to change preventing normal operation 1 Before filling check whether the cylinder has a siphon attached or not It should have something like liquid filling siphon attached displayed on it Filling a cylinder with an attached siphon Filling other cylinders H Stand the cylinder upright when filling There is a siphon pipe inside so the Turn the cylinder upside down cylinder need not be upside down when filing to fill with liquid 2 Be sure to use the R410A tools to ensure pressure and to prevent foreign objects entering 6 Ch
18. nal 4 After two to three minutes close the gas stop vaile and stop forced cooling wernch operation S Gas stop valve A Valve cap Wiring work 1 Electric wiring e The air conditioner must use special circuit and wiring by the qualified electrician according to the wiring rules specified in national standard e The grounding wire and the neutral wire shall be strictly separated Connect the neutral wire with grounding wire is incorrect e The electric leakage breaker must be installed e All the electric wire must be copper wire Power supply 1PH 220 230V 50Hz e The wiring method of power line is Y connection If the power line is damaged in order to avoid risk of electric shock it must be replaced by the manufacturer or its repair center or other similar qualified person The connecting cable must be shielded Fuse T3 15A 250VAC 116A 250VAC Please check with the outdoor unit wiring diagram e Please check the circuit diagram about the fuse replaced 2 Wiring method Wiring method of orbicular terminals ls For the connection wire with orbicular terminals its wiring method is as shown in lt the right figure remove the connecting screw put the screw through the ring on iw the end of the wire then connect to the terminal block and fasten screw Il A Wiring method of straight terminals Wiring Method for i i ar Ring Terminal Block e For the connection wire without orbicular terminals it
19. ng electrical shock or fire e If any refrigerant has leaked out during the installation work ventilate the room The refrigerant produces a toxic gas if exposed to flames e After all installation is complete check to make sure that no refrigerant is leaking out The refrigerant produces a toxic gas if exposed to flames e When installing or relocating the system be sure to keep the refrigerant circuit free from substancs other than the specified refrigerant R410A such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture resulting in injury e During pump down stop the compressor before removing the refrigerant piping If the compressor is still running and the stop valve is open during pump down air will be sucked in when the rcompressor is run causing abnormal pressure in the freezer cycle which will lead to breakage and even injury e Be sure to establish an earth Do not earth the unit to a utility pipe arrester or telephone earth a In complete earth may cause electrical shock or fire A high surge current from lightning or other sources may cause damage to the air conditioner e Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire N CAUTION e Do not install the aire conditioner in a place where there is danger of exposure to inflammable gas lea
20. respon dingly After connection fasten wire cover to its previous state Communication wire of indoor unit e Loosen wire cover put the communication wire through the wire cover B and connect them to terminal block correspondingly After connection fasten wire cover B to its previous state Note Power line and communication wire are provided by consumers themselves 12 Wiring work Wire cover A Wire cover C Terminal block Wire coverA Wire cover C Wire cover D Wire coverB Terminal block Wire cover B Wire cover E Valve cover EA Valve cover 4 Wiring method of indoor unit Loosen wire cover and connect the power line and communication wire of indoor unit to the terminal correspondingly Note When connecting power line to power supply terminal please pay attention to the following items e Do not connect the power line with different dimensions to the same connection wire end Improper contact will cause heat generation e Do not connect the power line with different dimensions to the same grounding wire end Improper contact will affect protection e Do not connect the power line to the connecting end of communication wire Incorrect connection will cause damage to the connected
21. s wiring method is loosen the connection screw and insert the end of the connection wire completely into the Terminal block then fasten the screw Correct Pressing Wrong Pressing Slightly pull the wire outwards to confirm it is firmly held D o o o o le O O O PPIPIPPI termina AA A A A i i i i i block e Crimp connection method for wires without terminals 8 Q A 88888 J a Connect the wire with Do not connect the Do not connect the 1 same diameter to the wire with same diameter wire with different aj Pressing two sides of the terminal to the same side diameters 77 Clamps O x x e Crimp connection method for connection wire After connection the wire must be fastened by wire cover The wire cover shall press on the protection coat ofthe connection wire as shown in right top figure Note When connecting the wiring confirm the terminal number of indoor and outdoor units carefully Incorrect wiring will damage the controller of air conditioner or the unit can not operate 3 Wiring method of outdoor unit e Power line Remove the repair board of the outdoor unit and loosen the wire cover A then put the live wire neutral wire and grounding wire through the wire cover and connect them to terminal block cor
22. tion 5 Installation drawings of indoor and outdoor units Connection cautions model 19K 25K 30K 34K 45K connection priority between indoor and stop valve higher from down to up E 3 when there is 1 indoor the prior stop valve is when there are 2 indoors the prior stop valves are when there are 3 indoors the prior stop valves are when there are 4 indoors the prior stop valves are DCBA EDCB when there are 5 indoors the prior stop valves are EDCBA Note For better oil return and more reliable system please execute as the above when connecting indoor unit Precautions on Installation e Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed e In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts Prepare four sets of M8 or M10 foundation bolts nuts and washers each which are available on the market e It is best to screw in the foundation bolts until their length are 20m
23. tor Malfunction of defrosting temp sensor Malfunction of compressor suction temp sensor Malfunction of ambient temp sensor Malfunction of compressor discharge temp sensor co 3 jo 23 3 5 al J T Rh So oINM I oO Nal _ e mimio O O O 3 3 2 O Dd O gt 2 c D o 2 D D o O O go O gt oa O O gt al 1 Lack of refrigerant or discharging pipe blocked fte Module overcurrent Module switch failure 2 2 B lIndooroverload 2 hs Jo Module temperature too high Overload Protecter 4 nput overcurrent MCU reset E ystem low pressure switch off System high pressure protection Refrigerant overabundance High condensing temp or malfunction of fan motor System low pressure protection Refrigerant shortage Low defrosting temp or malfunction of fan motor Malfunction of module temp sensor OOS lt ES S S S S ES S S S E S lt 3 5j joj jvj D D D D D D D jo Si R 0 Ojojcjof e III III CIE 31313 3 3 5 3 5 gt 5 5 5 eyejeje jejeje fe jefe fe e e gt amp j amp I E ajojofofofojofofoalololofa joje 2 5 5 5 5 5 5 5 5 5 5 3 5 5 5 ojololololjofjojolololololola A anad Gamal bonad bamad amad bamad lead kamad kama Ba Bas Bas femal Es o lole 9 5 le le le le e te ja La o o gt S 3 8 v S S lt S S 0 Eia FS le12 12 e e
24. ue cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate additional refrigerant amount charged in the field total refrigerant charge outdoor unit refrigerant cylinder and manifold for charging moon Safety Precautions e Read these Safety Precautions carefully to ensure correct installation This manual classifies the precautions into WARNING and CAUTION e Be sure to follow all the precautions bellow they are all important for ensuring safety IN WARNING Failure to follow any of WARING is likely to result in such grave consequences as death or serious injury A CAUTION Failure to follow any of CAUTION may in some cases result in grave consequences e The following safety symbols are used throughout this manual Q Be sure to observe this instruction Be sure to establish an earth connection S Never attempt e After completing installation test the unit to check for installation errors Give the user adequate instructions conceming the use and cleaning of the unit according to the Operation Manual N WARNING e Installation should be left to the dealer or another professional Improper installation may cause water leakage electrical shock or fire e Install the air conditioner according to the instructions given in this manual Incomplete installation may cause water leakage electrical shock or fire
25. vice manual If self checking is not possible check the indoor unit wiring and piping in the usual manner LED 1 2 3 4 5 Message OFF Unit not connected j Automatic checking impossible ALL Flashing all units connect wrong ALL ON All units connect correctly ON unit connect correctly FLASHING unit connect wrong Status ON FLASHING FLASHING ON FLASHING need to change the wiring manually between 2 3 and 5 ON unit connect correctly FLASHING unit connect wrong ON FLASHING FLASHING ON ON need to change the wiring manually between 2 3 Only one LED flashing Abnormal e Test running 1 If the temperature is lower than 16 C it is impossible to test cooling with remote controller and also when the temperature is higher than 30 C it is impossible to test heating 2 To test cooling set the lowest temperature at 16 C To test heating set the highest temperature at 30 C 3 Please check both cooling and heating operation of each unit individually and then also check the simultaneous operation of all indoor units 4 After ruuning the unit for about 20 minutes check the indoor unit outlet temperature 5 After the unit is stopped or working mode changed the system will not start again for about 3 minutes 6 During cooling operation frost may ocur on the indoor unit or pipes this is normal 7 Operate the unit according to the operation manual Please kindly
26. vy snowfall areas select an installation site where the snow will not affect the unit e Construct a large canopy e Construct a pedestal Install the unit high enough off the ground to prevent burying in snow Installation drawings of indoor and outdoor units 1 Do not connected the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in ordor to add another indoor unit later Make sure no dirt or mositure gets into eigher side of the embedded branch piping 2 lt is impossible to connect the indoor unit for one room only Installation figure please refers to 30K 4 D 1 CA SS gt A Arrangement of piping directions SSS Rear left SS SS Left Y lt K Rear right gt gt Right Below Attention must be paid to the rising up of drain hose Wrap the insulation pipe with the finishing tape from bottom to top Cut thermal insulation pipe to an appropriate length and wrap it with tape making sure that no gap is left in the insulation pipe s cut line If there is the danger of the unit falling or overturning fix the unit with foundation bolts or with wire or other means If the location does not have good drainage place the unit on a level mounting base or a plastic pedestal Install the outdoor unit in a level position Failure to do so may result in water leakage or accumula
Download Pdf Manuals
Related Search