4U36HS1ERE 3U24GS1ERE
Contents
1. Procedure 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 air 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 the 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 10ft 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 10ft 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 Installation drawings of indoor and outdoor units 1 Connect indoor and outdoor piping when installing unit Do not le2. 3U24GS1ERE 4U36HS1ERE e Please read this manual carefully before installation Keep this operation manual for future reference 0150513284 Contents Safety Precautions Accessories Procedure for Selecting the Location Installation drawings of indoor and outdoor units Wiring connection Outdoor Unit Installation Guideline Limitations on the installation Refrigerant piping work Pump Down Operation Wiring work Test running Trouble shooting Haier 1356 Broadway New York NY 10018 DISPOSAL REQUIREMENTS Your air conditioning product is marked with this symbol This means that electrical and electronic products shall 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 TH
3. e gt when there is 1 indoor the prior stop c D valve is when there are 2 indoors the prior C B DC stop valves are when there are 3 indoors the prior CBA stop valves are DCB when there are 4 indoors the prior DCBA stop valves are Note For better oil return and more reliable system please execute as the above when connecting indoor unit MUST CONNECT 2 INDOOR UNITS Wiring connection 3U24GS1ERE Power Supply PH 208 230V 60Hz Indoor Unit C Indoor Unit B Indoor Unit A 4U36HS1ERE 1PH 208 230V 60Hz v e S Q O T C o 6 OUTDOOR Indoor Unit B Indoor Unit C Indoor Unit D Indoor Unit A Power Supply Cable 10AWG Connecting Cable 14AWG HE VALE Connecting Cable 14AWG Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other 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 e For any of the below installation pattems the wall height on the exhaust side should be 1200mm 47 in or less Wall facing one side mm More than 50 2 in More than 300 12 in 17 1200 47 in or less i 7 7 7 Side view Wall facing three sides N More th
4. 2 in Wy 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 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 Do not use mineral oil on flared part Prevent mineral oil from getting into the system as this would educe the lifetime of the units 1 2 3 Never use piping which has been used for previous installations Only use parts which are delivered with the unit 4 Do not install a filter dryer 5 6 The drying material may dissolve and damage the system A bad flare may cause refrigerant gas to leak 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 Hexagonal 4 After two to three minutes close the gas stop valve 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 must be performed by the qualified electrician according to the wi
5. 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 unit 5 Example wiring diagram Wiring diagram please refers to 4U36HS1ERE Shape the wires so that Secure the branch wiring firmly using the 4 there is no lifting of the included screws as shown in the figure service hatch or other Secure firmly making sure no outside structural parts pressure is exerted on the terminals Use the specified wires and connect them securely 14 Test running e Before starting the test running please confirm the following works have been done successfully 1 Correct 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 208 230V e Wiring Error Check This product is capable of automatic checking of wiring error na aE Swi
6. refrigerant pipe Inter unit wiring i Be sure to wall ae oe I place a cap Liquid 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 flared in a perfect E Cut exactly at right Remove burrs circle angles Make sure that the flare nut is tight 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 Flars tooling die 0 0 5mm 0 1 51 1 0 1 5mm 3 16 1 16 1 5 2 0mm 1 16 1 8 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 Incorrect JA Pipe Pipe diameter mm Size A mm I 1 1 I i Z Z Liquid side 6 35 1 4 0 8 1 5 3 16 11 16 T Ll IA 9 52mm 3 8 1 0 1 5 3 16 11 16 pi pi pi Flare tooling die Gas side J gt 12 7mm 1 2 1 0 1 5 3 16 11 16 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 I q il 5cm
7. 1 4 14 2 17 2N m 126 152lb in Coat here with refrigeration oil Flare nut for 9 52 3 8 32 7 39 9N m 289 353Ib in X Flare nut for 12 7 1 2 49 5 60 3N m 438 534lb in Flare nut for 15 88 5 8 61 8 75 4N m 547 667Ib in Torque spanner Valve cap tightening torque Service port cap tightening torque p pa Liquid pipe 26 5 32 3N m 235 286lb in a ipe join Bene E Cone nut Gas pipe 48 1 59 7N m 426 528lb in 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 released 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 Pull vacuum down to 300 microns e Use a hexagonal wrench 3 19 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 s
8. E REFRIGERANT USED 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 legible ink 1 The factory refrigerant charge of the product 2 The additional refrigerant charge of the product 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label muset be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B fatory refrigerant charge of the product see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging 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 IN 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 a Be sure to establish an earth conne
9. an 150 More F M pb A 2 Me han 100 than 300 Wall facing two sides T us More Y than50 3 More than 300 12 in N More VA 2 in N than 100 4 in More 7 Side view than 50 Hay 2 in Side view 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 lt is best to screw in the foundation bolts unit their length are 20 mm 3 4 in 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 piping is as short as possible Shortest allowable length per room is 3m 10ft Outdoor unit capacity class 3U24GS1ERE 4U36HS1ERE Piping to each indoor unit 25m max 82ft 25m max 82ft Total length of piping between al lunits 60m max 197ft 70m max 227ft 20 mm 3 4 in Limitations on the installation Outdoor Unit Level difference Level 15m max difference SOft Level 15m max Level diffe
10. ave piping connected to only one unit 2 You must connect 2 units minimum Installation figure please refers to 4U36HS1ERE 6 in Arrangement of piping directions Rear left So Left Y 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 oy 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 accumulation 5 Installation drawings of indoor and outdoor units Connection cautions model 3U24GS1ERE 4U36HS1ERE connection priority between indoor and stop valve higher from down to up
11. ction S Never attempt e After completing installation test the unit to check for installation errors Give the user adequate instructions concerning 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 e Be sure to use the suplied or specified installation parts Use of other parts may cause the unit to come 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 hea
12. g on page 6 for details 10 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 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 Charging with refrigerant Outdoor Unit Standard total liquid Max total liquid piping 1 This system must use refrigersant R410A piping length length 2 Add refrigerant 0 21 oz per foot when the total piping length exceeds the standard value but make sure that the total liquid 3U24GS1ERE 30m 98ft 60m 197ft piping length should be less than the max value 4U36HS1ERE 40m 131 ft 70m 227ft 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 co
13. ide 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 30 PSI Evacuation for at least 30 minutes Close gauge manifold s low pressure valve Lo and stop vacuum pump Leave as is for 4 5 minutes and make sure gauge doesn t move If it doesgo up this indicates the presence of moisture or leaking from connecting parts After inspecting all the connection and loosening then retightening thenuts reqeat 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 open 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 pipin
14. ment 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 L ein error ml ml jjeeeee 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 15 Trouble shooting Possible reasons Faulty of outdoor unit EEPROM PM overcurrent or short circuit Communication failure between Module and ECU Module operated overload Module low or high voltage Discharging temperature overheating Lack of refrigerant ambient temperature too high or PMVs blocked Malfunction of the DC fan motor Malfunction of defrosting temp sensor Malfunction of compressor suction temp sensor Malfunction of ambient temp sensor Malfunction of compressor discharge temp sensor Communication failure between indoor amp outdoor unit Lack of refrigerant or discharging 4 way valve switching failure Loss of synchronism detection Indoor thermal overload ndoor frosted Module thermal overload Compressor start failure Module input overcurrent MCU reset Module current detect circuit malfunction Malfunction of liquid pipe temp sensor for indoor unit A Malfunction of liquid pipe temp sensor for indoor unit B Malfunction of liquid
15. nnect correctly FLASHING unit connect wrong ON FLASHING FLASHING ON ON need to change the wiring manually between 2 3 Only one LED flashing Abnormal Test running 1 If the temperature is lower than 60 F it is impossible to test cooling with remote controller and also when the temperature is higher than 80 F it is impossible to test heating 2 To test cooling set the lowest temperature at 60 F To test heating set the highest temperature at 86 F 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 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 il 2 When a fault happens seven seg
16. o the wire with same diameter wire with different two sides of the terminal to the same side diameters lees ects 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 correspon 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 installers themselves 13 Wiring work Wire cover D Wire coverB Terminal block Wire cover B Valve cover Valve cover NE Y AR an fa eo 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
17. pipe temp sensor for indoor unit C Malfunction of liquid pipe temp sensor for indoor unit D Malfunction of gas pipe temp sensor for indoor unit A Malfunction of gas pipe temp sensor for indoor unit B Malfunction of gas pipe temp sensor for indoor unit C Malfunction of gas pipe temp sensor for indoor unit D Malfunction of gas pipe temp sensor for indoor unit E Malfunction of module temp sensor Momentary power failure detection Malfunction of condensing temp sensor Malfunction of liquid pipe temp sensor for indoor unit E Malfunction of Toci temp sensor System high pressure switch off Cassette and convertible indoor display outdoor error Wall code use the timer and running lamp Timer lamp Running flash time lamp 2 00 n mim 1 7 mim N Ty 1 7 TI T n m mM m 7 N TH TH TY I 71 N a a aj MM lNIoDJO Aq wo F32 6 1 1 N W n ww 5 z F36 F33 F38 F39 ESA J a 2 6 ER E AA 9 E 0 E ET ERE SE EA 4 o 4 6 4 8 AE 5 0 E gt E ME EA 9 6 0 Ze 1 System low pressure switch off a3 6 3 Fw System high pressure protection Refrigerant overabundance 44 40 F41 High condensing temp or malfunction of fan motor System low pressure protection Refrigerant shortage A i 45 41 5 F42 Low defrosting temp or malfunction of fan motor A
18. rence 50ft difference 7 5m max 7 5m max 22 8ft Indoor Unit If the outdoor unit is positioned higher than the indoor units If lower than one or more indoor units If the outdoor unit is positioned higher than the indoor units Level Level difference difference 7 9 max 15m max 22 8ft SOft Outdoor Unit If the Indoor unit is positioned higher than the outdoor units Refrigerant piping work 1 Installing outdoor unit 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 1 1 6in 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 3U24GS1ERE 4U36HS1ERE Drain elbow 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 6 35
19. ring rules specified in local 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 208 230V 60Hz 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 Fuse T3 15A 250VAC Electronic control unit T25A 250VAC Power circuit board e Please check the circuit diagram about the fuse replaced 2 Wiring method Wiring method of orbicular terminals For the connection wire with orbicular terminals its wiring method is as shown in the right figure remove the connecting screw put the screw through the ring on the end of the wire then connect to the terminal block and fasten screw Wiring method of straight terminals Wiring Method for Ring Terminal Block e For the connection wire without orbicular terminals its 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 e Crimp connection method for wires without terminals Connect the wire with Do not connect the Do not connect the same diameter t
20. rresponded 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 Running 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 1 1 4 to 1 3 4 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 230 F max Choose heat insulation materials that will withstand this temperature 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 3 8 12 7mm 1 2 1 D 12 15mm 1 2 3 5 12 7mm 1 2 Thickness 0 8mm 3 95 Thickness 13mm 1 2 min Liquid pipe Liquid pipe insulation O D 6 35mm 1 4 1 D 8 10mm 6 19 2 5 Thickness 0 8mm 3 95 Thickness 10mm 2 5 min 11 Refrigerant Piping Work 3 Use separate thermal insulation pipes for gas and liquid
21. t electric shock or fire e Use the specified types of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnecting 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 overheating 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 substances 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 while the compressor is running causing abnormal pressure and no condense able added
22. tch on all the 4 dip switches on the outdoor unit small service PC board as shown on the right Then power Est ON_sw1 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 a CN1 Errors of the wiring will be shown by the LEDs 1 to 5 E H gt 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 service 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 Automatic checking impossible ALL Flashing all units connect wrong ALL ON All units connect correctly ON unit connect correctly FLASHING unit connect wrong ON FLASHING FLASHING ON FLASHING need to change the wiring manually between 2 3 and 5 Status ON unit co
23. to the system 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 establish a ground Do not ground the unit to a utility pipe arrester or telephone earth a N CAUTION e Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage 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 flare 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 3U24GS1ERE 1 ES Drainage elbow 3 4U36HS1ERE 2 lt gt Rubber cushion 4 3U24GS1ERE 4U36HS1ERE 1 3U24GS1ERE 3 Im Clap 3 4U36HS1ERE 3U24GS1ERE 4 B Adaptor 3 8 gt 1 2 1 4U36HS1ERE 5 EH Adaptor 1 2 3 8 1 4U36HS1ERE
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