Haier AB12CS1ERA Service Manual
Haier AB12CS1ERA Manual
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Haier AB12CS1ERA manual content summary:
- Haier AB12CS1ERA | Service Manual - Page 1
Commercial Air Conditioning SERVICE MANUAL MULTI upgrade series Models Indoor: AB09CS1ERA AB12CS1ERA AB18CS1ERA AB24ES1ERA AC12CS1ERA AC18CS1ERA AC24CS1ERA AD09LS1ERA AD12LS1ERA AD18LS1ERA AD24LS1ERA Outdoor: 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA z DC inverter technology, high energy - Haier AB12CS1ERA | Service Manual - Page 2
26 5. PCB photo, wiring diagram and function description........72 6. Diagnostic code and troubleshooting 95 7. Outdoor performance curves 101 8. Indoor air velocity and temperature distribution curves......105 9. Air flow and static pressure chart 111 10. Noise level 113 11. Sensor - Haier AB12CS1ERA | Service Manual - Page 3
refrigerant is R22 B stands for heat pump type, refrigerant is R407C E stands for heat pump type, refrigerant is R410A N stands for cool only type, refrigerant T3 21℃~52℃ -7℃~52℃ ~52℃ 1.3 Operating Range of Air Conditioners Working temperature range Rated Maximum Cooling Indoor DB℃ 27 32 WB - Haier AB12CS1ERA | Service Manual - Page 4
to EASY STOCK series. EASY STOCK is new concept brought by Haier to be convenient for design, sale, operation, and stock management. Adopt the much friendlier refrigerant R410a The air conditioner system adopts the greatly friendly refrigerant R410a, which is protective for the ozone layer and is - Haier AB12CS1ERA | Service Manual - Page 5
Commercial Air Conditioner on the operation panel. Then according to the failure code chart, you can eliminate the failure soon. Central control function, if connected with a central controller - Haier AB12CS1ERA | Service Manual - Page 6
Max. 860 Fan system Fan motor model Motor type ARW4403AS DC Outdoor unit Motor output/input power W 55/69 Air-flows (H/M/L) m³/h about 2000 Heat kg / kg 51/ 53 Type / Charge kg R410A /1.9 Refrigerant Total liquid piping length without recharge m less than 30 Recharge g/m - Haier AB12CS1ERA | Service Manual - Page 7
Max. 860 Fan system Fan motor model Motor type EHDS80A100AS DC Outdoor unit Motor output/input power W 100/125 Air-flows (H/M/L) m³/h about 4000 Heat kg / kg 74/85 Type / Charge kg R410A / 2.9 Refrigerant Total liquid piping length without recharge m less than 40 Recharge g/m - Haier AB12CS1ERA | Service Manual - Page 8
60Hz 16.5 16.5 99% 99% 25 2~4 Model / Manufacture TNB220FLHMC-L / MGC Compressor Fan system unit Motor output/input power W 100/125 Air-flows (H/M/L) m³/h about 4000 Heat exchanger Type ) Package mm 1040/430/1000 Refrigerant control method PMVs Defrosting method Automatic - Haier AB12CS1ERA | Service Manual - Page 9
× 1 Fan system Motor speed Fan motor model Motor type r/min Max. 900 EHDS80A100AS DC Outdoor unit Motor output/input power Air-flows (H/M/L) Heat exchanger Type / Diameter Number of rows Face area Dimension External (WxDxH) Package Refrigerant control method W m³/h mm m² mm mm 100 - Haier AB12CS1ERA | Service Manual - Page 10
^Vb Item Model AB09CS1ERA Function cooling heating Capacity kW 2.6 2.9 Sensible heat ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.5 Power Supply 1PH,220-230V 50-60HZ Type × Number CENTRIFUGALX1 Fan Speed(H-M-L) r/min Fan motor output power kW 690/620/560 0.03 Air-flow - Haier AB12CS1ERA | Service Manual - Page 11
Function Capacity Sensible heat ratio Dehumidifying capacity Power Supply Model kW 10‐³×m³/h AD09LS1ERA cooling heating 695×536×265 20/24 wired Fresh air hole dimension Electricity Heater Noise level (H-M-L) Weight (Net / Shipping) Refrigerant Type Pipe Liquid Gas Connecting Method - Haier AB12CS1ERA | Service Manual - Page 12
Model AB12CS1ERA Function cooling heating Capacity kW 3.5(0.9--4.5) 3.7(1.0---4.8) Sensible heat ratio 0.71 Dehumidifying capacity 10‐³×m³/h 1.5 Power Supply 1PH,220-230V 50-60HZ Type × Number CENTRIFUGALX1 Fan Speed(H-M-L) Fan motor output power r/min kW 690/620/560 0.03 Air - Haier AB12CS1ERA | Service Manual - Page 13
Function Capacity Sensible heat ratio Dehumidifying capacity Power Supply Type × Number Model kW 10‐³×m³/h AC12CS1ERA cooling heating /wired) Fresh air hole dimension mm Electricity Heater kW Noise level (H-M-L) dB(A) Weight (Net / Shipping) kg / kg Refrigerant Type Pipe Liquid - Haier AB12CS1ERA | Service Manual - Page 14
Function Capacity Sensible heat ratio Dehumidifying capacity Power Supply Model kW 10‐³×m³/h AD12LS1ERA cooling 536×265 20/24 wired, YR-E14 Fresh air hole dimension Electricity Heater Noise level (H-M-L) Weight (Net / Shipping) Refrigerant Type Pipe Liquid Gas Connecting Method mm kW dB - Haier AB12CS1ERA | Service Manual - Page 15
>_]]VbTZR\ _^UZdZ_^Vb Item Model Function Capacity kW Sensible heat ratio Dehumidifying capacity 10‐³×m³/h Power Supply Type × Number Fan Speed(H-M-L) Fan motor output power r/min kW Air-flow(H-M-L) m³/h Type / Diameter mm Indoor unit Heat exchanger Total Area m² Temp. - Haier AB12CS1ERA | Service Manual - Page 16
Item Function Capacity Sensible heat ratio Dehumidifying capacity Power Supply Model kW 10‐³×m³/h AC18CS1ERA cooling heating Fresh air hole dimension mm / Electricity Heater kW / Noise level (H-M-L) Weight (Net / Shipping) dB(A) kg / kg 44/41/36 28.3/34.3 Refrigerant Type - Haier AB12CS1ERA | Service Manual - Page 17
Function Model AD18LS1ERA cooling heating Capacity kW 5.0(1.8---6.0) 5.5(2.0---6.2) Sensible heat ratio 0.73 / Dehumidifying capacity 41/35/32 Weight (Net / Shipping) kg / kg 23/26.5 Refrigerant Type R410A PIPING Pipe Liquid Gas mm mm Φ6.35 Φ12.7 Connecting Method FLARED - Haier AB12CS1ERA | Service Manual - Page 18
Fresh air hole dimension mm Noise level (H-M-L) dB(A) Weight (Net / Shipping) kg / kg Panel model (color) PIPING Panel Dimension External （L×W×H） mm×mm×mm Package （L×W×H） mm×mm×mm Weight (Net / Shipping) kg / kg Refrigerant Type Pipe Liquid Gas mm mm Connecting Method AB24ES1ERA - Haier AB12CS1ERA | Service Manual - Page 19
Model AC24CS1ERA Function cooling heating Capacity kW 6.3(2.0-7.3) 7.1(2.5-8.0) Sensible heat ratio 0.72 / Dehumidifying capacity 48/46/44 Weight (Net / Shipping) kg / kg 28.3/34.3 Refrigerant Type R410A PIPING Pipe Liquid Gas mm mm 9.52 15.88 Connecting Method flared - Haier AB12CS1ERA | Service Manual - Page 20
Model Function Capacity kW Sensible heat ratio Dehumidifying capacity 10‐³×m³/h Power Supply Type × Number Fan Speed(H-M-L) Fan motor output power r/min kW Air dB(A) Weight (Net / Shipping) kg / kg Refrigerant Type PIPING Pipe Liquid Gas mm mm Connecting Method AD24LS1ERA - Haier AB12CS1ERA | Service Manual - Page 21
)1/4 Gas pipe :Ø9.52(flared)3/8 B unit connection } Liquid pipe:Ø6.35(flared)1/4 Gas pipe :Ø9.52(flared)3/8 C unit connection 146 35 35 340 380 413 Handle Air outlet 948 Handle Indoor and outdoor connect wiring hole (30*48) 840 315 537 45 408 163 311 28 -21- Gas pipe Ø9.52(flared - Haier AB12CS1ERA | Service Manual - Page 22
5U34HS1ERA: 184 580 184 Air inlet 70 Air inlet 35 35 340 380 413 Handle Air outlet 948 Handle Indoor and outdoor connect wiring hole (30*48) 537 405 408 45 73 311 28 840 >_]]VbTZR\ _^UZdZ_^Vb Gas pipe Ø9. - Haier AB12CS1ERA | Service Manual - Page 23
EJZZN[[N \UR[C B9 >@ MYJRUJPN WRWN :;9 A9 PJZ WRWN SRX\RM WRWN ?> @> >_]]VbTZR\ _^UZdZ_^Vb V]NYSJWNM MRZ[JULN KN[^NNU [QN LNRSRUP JUM [QN WJUNSC ;>TT Z\ZWNUZRVU QVSMNY :>9TT @9TT 7RUMVVY \UR[ MRTNUZRVU8 ?>9TT 7LNRSRUP VWNURUP MRTNUZRVU8 @99TT 7WJUNS MRTNUZRVU8 ?9TT >TT 7KN[^NNU - Haier AB12CS1ERA | Service Manual - Page 24
:FJKJMH DNMDFBKFE QSOF RMJQ8 U X Y >_]]VbTZR\ _^UZdZ_^Vb T [ Z \ V W =MPQBKKBQJNM EJLFMPJNM8+LL, AD092LS1ERA AD122LS1ERA AD142LS1ERA AD182LS1ERA 256 AD092LS1ERA AD122LS1ERA 00. 72. AD142LS1ERA AD182LS1ERA 00. -24- - Haier AB12CS1ERA | Service Manual - Page 25
Cassette type unit: AB24 >_]]VbTZR\ _^UZdZ_^Vb VIEW C 740 (hanging position) 860~890 (ceiling hole) VIEW A VIEW D VIEW B VIEW D VIEW C VIEW B 740 (hanging position) 860~890 (ceiling hole) over 1000 over over -25- VIEW A over over - Haier AB12CS1ERA | Service Manual - Page 26
>_]]VbTZR\ _^UZdZ_^Vb 4. Pipe and wiring installation 4.1 Multi combination and the data 3U19FS1ERA combination and the data COOLING Comb. Combinations Rated capacity(Kw) (Nom. cooling) total cooling capacity(kW) total power input (kW) total current (A)@230V Unit Unit Unit Unit Unit - Haier AB12CS1ERA | Service Manual - Page 27
>_]]VbTZR\ _^UZdZ_^Vb 4U25HS1ERA combination and the data COOLING Comb. Combinations Rated capacity Output/kW (Nom. cooling) total cooling capacity(kW) total power input (kW) total current (A)@230V Unit Unit Unit Unit Unit Unit Unit Unit min. rated max. min. rated max. min. rated max. - Haier AB12CS1ERA | Service Manual - Page 28
>_]]VbTZR\ _^UZdZ_^Vb 4U25HS1ERA combination and the data HEATING Comb. Combinations Rated capacity Output/kW (Nom. heating) total heating capacity(KW) total power input (W) total current (A)@230V Unit Unit Unit Unit Unit Unit Unit Unit min. rated max. min. rated max. min. rated max. - Haier AB12CS1ERA | Service Manual - Page 29
>_]]VbTZR\ _^UZdZ_^Vb 4U30HS1ERA combination and the data COOLING Comb. Combinations Unit Unit Unit Unit Rated capacity Output/kW (Nom. cooling) Unit Unit Unit Unit total cooling capacity(kW) min. rated max. A B C D A B C D data data data 7 - - - 2.0 - - - 1.00 2.00 2.80 9 - - - 2.5 - - Haier AB12CS1ERA | Service Manual - Page 30
>_]]VbTZR\ _^UZdZ_^Vb 4U30HS1ERA combination and the data HEATING Comb. Combinations Unit Unit Unit Unit Rated capacity Output/kW (Nom. heating) Unit Unit Unit Unit total heating capacity(KW) min. rated max. A B C D A B C D data data data 7 - - - 2.3 - - - 1.00 2.30 4.00 9 - - - 2.9 - - Haier AB12CS1ERA | Service Manual - Page 31
>_]]VbTZR\ _^UZdZ_^Vb 5U34HS1ERA combination and the data COOLING Combinations Comb. Unit Unit Unit Unit Unit ABCDE 7 ---- Rated capacity Output/kW (Nom. cooling) Unit Unit Unit Unit Unit A B C D E 2.0 - - - - 9 - - - - 2.5 - - - - 1x1 12 - - - - 3.5 - - - - 18 - - - - 5.0 - - - - - Haier AB12CS1ERA | Service Manual - Page 32
>_]]VbTZR\ _^UZdZ_^Vb 5U34HS1ERA combination and the data 7 9 12 12 - 1.74 2.17 3.04 3.04 - 1.80 10.00 10.80 0.55 2.96 4.00 2.50 13.13 19.00 3.38 A 7 12 12 12 - 1.60 2.80 2.80 2.80 - 1.80 10.00 11.00 0.55 2.96 4.00 2.50 13.13 19.00 3.38 A 9 9 9 9 - 2.50 2.50 2.50 2.50 - 1.80 10.00 11.00 - Haier AB12CS1ERA | Service Manual - Page 33
>_]]VbTZR\ _^UZdZ_^Vb 5U34HS1ERA combination and the data 9 12 24 - - 2.26 2.97 5.47 - - 1.50 10.70 11.50 0.55 3.01 4.00 2.50 13.35 19.00 3.55 B 12 12 12 - - 3.57 3.57 3.57 - - 1.50 10.70 11.50 0.55 3.01 4.00 2.50 13.35 19.00 3.55 B 12 12 18 - - 3.10 3.10 4.49 - - 1.50 10.70 11.50 0.55 3. - Haier AB12CS1ERA | Service Manual - Page 34
4.2. Wiring connection 3U19FS1ERA >_]]VbTZR\ _^UZdZ_^Vb If this outdoor unit connects with AS*S1ERA, the connecting cable is 1.5mm2 Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other. -34- - Haier AB12CS1ERA | Service Manual - Page 35
4U25-30HS1ERA >_]]VbTZR\ _^UZdZ_^Vb If this outdoor unit connects with AS*S1ERA, the connecting cable is 1.5mm2 Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other. -35- - Haier AB12CS1ERA | Service Manual - Page 36
5U34HS1ERA: >_]]VbTZR\ _^UZdZ_^Vb If this outdoor unit connects with AS*S1ERA, the connecting cable is 1.5mm2 Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other. -36- - Haier AB12CS1ERA | Service Manual - Page 37
4.3 Limitation values on pipe installation 3U19FS1ERA >_]]VbTZR\ _^UZdZ_^Vb Item A,B,C liquid pipe A,B,C Gas pipe L1 (one way) L2 (one way) L3 (one way) L1+L2+L3 h H+ H- Unit Description Standard Maximum mm Size of the liquid side connection pipe φ6.35 / mm Size of the gas side - Haier AB12CS1ERA | Service Manual - Page 38
4U25-30HS1ERA >_]]VbTZR\ _^UZdZ_^Vb Item Unit Description Standard Maximum A,B,C, Dliquid pipe mm Size of the liquid side connection pipe φ6.35 / A,B,C Gas pipe mm Size of the gas side connection pipe φ9.52 / D Gas pi[pe L1 (one way) L2 (one way) L3 (one way) L4 (one way) L1+L2+L3+L4 - Haier AB12CS1ERA | Service Manual - Page 39
5U34HS1ERA: >_]]VbTZR\ _^UZdZ_^Vb Item Uni t Description A,B,C,D,E liquid pipe mm Size of the liquid side connection pipe A,B,C,D Gas pipe mm Size of the gas side connection pipe E Gas pi[pe mm Size of the gas side connection pipe L1 (one way) m Max.piping length between IU and OU of - Haier AB12CS1ERA | Service Manual - Page 40
model >_]]VbTZR\ _^UZdZ_^Vb Connection cautions 3U19FS1ERA 4U25HS1ERA,4U30HS1ERA 5U34HS1ERA connection priority between indoor and stop valve higher from down to up when there is 1 - Haier AB12CS1ERA | Service Manual - Page 41
More than 10cm 4.4 Outdoor installation Installation figure please refers to 4U25HS1ERA. More than 5cm >_]]VbTZR\ _^UZdZ_^Vb Arrangement of piping directions Rear left Left Rear right Right Below Wrap the insulation pipe with the finishing tape from bottom to top. Cut thermal - Haier AB12CS1ERA | Service Manual - Page 42
foundation bolts.(Prepare four sets of M8 or M10 foundation bolts, nuts and washers each which are available on the market.) It is best to screw for installation of the indoor units The maxinum allowable length of refrigerant piping, and the maxmum allowable height difference between the outdoor and - Haier AB12CS1ERA | Service Manual - Page 43
Outdoor Unit 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 1) When installing the outdoor unit, refer to "Precautions for Selecting the Location" and the "Indoor/Outdoor Unit - Haier AB12CS1ERA | Service Manual - Page 44
48.1-59.7N.m(490-610kgf.cm) Service port cap tightening torque 10.8-14.7N.m(110-150kgf.cm) Pipe joint Cone nut 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 - Haier AB12CS1ERA | Service Manual - Page 45
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 Cautions on pipe handling 1) Protect the open end of the pipe against dust and moisture. 2) All pipe bends should be as gentle - Haier AB12CS1ERA | Service Manual - Page 46
3) Use separate thermal insulation pipes for gas and liquid refrigerant pipe. >_]]VbTZR\ _^UZdZ_^Vb Inter unit wiring Gas pipe Liquid pipe Gas pipe insulation lifetime. 5) The drying material may dissolve and damage the system. 6) Incom;ete flaring may cause refrigerant gas leakage. -45- - Haier AB12CS1ERA | Service Manual - Page 47
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: Power line Remove the repair board of the outdoor unit and loosen - Haier AB12CS1ERA | Service Manual - Page 48
>_]]VbTZR\ _^UZdZ_^Vb Wire cover A Wire cover C Wire cover B Terminal block Valve cover Wire cover A Wire cover C Terminal block Wire cover D Wire cover B Wire cover E Valve cover -¨ 25.40 0 4. Wiring method of indoor unit Loosen wire cover and connect the power line and communication - Haier AB12CS1ERA | Service Manual - Page 49
indoor and outdoor unit; 4) Proper recharge of refrigerant if needed. Make sure that all the stop how to read the LED display, refer to the service manual. If self-checking is not possible, check the indoor manual. Please kindly explain to our customers how to operate through the instruction manual. - Haier AB12CS1ERA | Service Manual - Page 50
>_]]VbTZR\ _^UZdZ_^Vb 4.5. Cassette type AB***ERA Vilmaggamfji ^jjgl 30Jjop]hh]pekj pkkho Uda ejop]hh]pekj pkkho heopa` ej pda bkhhksejc odaap _]j ^a qoa` ]o namqena`0 30 T_nas `neran 40 I]_go]s 50 Enehh sepd ] `e]iapan kb 82ii 60 Jjjan dat]ckj ol]jjan.odebpejc ol]jjan 70 Tl]jjan ,36. 39. 3;. - Haier AB12CS1ERA | Service Manual - Page 51
>Jjop]hh]pekj Ft]ilha@ >_]]VbTZR\ _^UZdZ_^Vb Skkb Bj_dkn ^khp Mkjc jqp kn pdna]` Tqolaj`ejc ^ehp N32 72 w372ii Daehejc Okpa< Bhh pda ]^kra iajpekja` l]npo od]hh ^a lnal]na` ej baeh`. pda `e]iapan kb oqolaj`ejc ^khp eo N32 50 Jjop]hh]pekj kb ej`kkn qjep Jj _]oa kb jk _aehejc Jjop]hh qjep - Haier AB12CS1ERA | Service Manual - Page 52
>_]]VbTZR\ _^UZdZ_^Vb Voa pda `n]ej]ca dkoa ]j` _hel lnkre`a` sepd qjep0 Jjoanp s]pan lela ejpk s]pan lhqc qjpeh ep na]_dao pda sdepa p]la0 Uecdpaj pda _hel qjpeh da]` kb pda o_nas eo haoo pd]j 6ii bnki dkoa0 Xej` pda `n]ej]ca dkoa pk pda _hel qoejc oa]h l]` bkn da]p ejoqh]pekj0 Jjoqh]pa `n] - Haier AB12CS1ERA | Service Manual - Page 53
>_]]VbTZR\ _^UZdZ_^Vb Dkjpnkh ^kt Meiepo kb l]jah ^k]n` ejop]hh]pekj ,3-Jjop]hh pda l]jah ^k]n` ej pda `ena_pekj odksj ej pda becqna0 ,4-Uda ej_knna_p `ena_pekj sehh naoqhp ej s]pan ha]g]ca. ia]jsdeha osejc ]j` oecj]h na_aerejc ]na jkp ^a _kjja_pa` oq__aoobqhhu0 90 Qelejc Dkjja_pekj Gep pda - Haier AB12CS1ERA | Service Manual - Page 54
>_]]VbTZR\ _^UZdZ_^Vb D]qpekjo bkn lelejc _kjja_pekj Ek jkp pseop kn `abkni pda _kjja_pejc lela0 Ek jkp iet `qopo0 Uda ^aj`ejc n]`eqo od]hh ^a ]o h]nca ]o lkooe^ha0 Ckpd c]o lela ]j` hemqe` lela od]hh ^a da]p ejoqh]pekj0 Ok ha]g]ca ej pda bh]na0 Qelejc _kjja_pekj Dkjja_pejc iapdk` Tia]n - Haier AB12CS1ERA | Service Manual - Page 55
to vibration. (2) The inlet and outlet ports should not be obstructed: the air should be able to blow all over the room. (3) Install the unit near the unit where the drain pipe can be easily installed. (7) Take servicing, etc. into consideration and leave the spaces shown in Fig.A. Also install - Haier AB12CS1ERA | Service Manual - Page 56
>_]]VbTZR\ _^UZdZ_^Vb PREPARING INDOOR UNIT INSTALLATION REMOVE THE INTAKE GRILL Open the intake grill and remove the three or four or six screws.(Fig. 1) Fig. 1 Intake grill Remark: The main unit can be wired before the indoor unit is installed. Select the most appropriate installation order - Haier AB12CS1ERA | Service Manual - Page 57
2. INSTALLING DRAIN HOSE Select whether the drain hose will be connected to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener. (Fig.6) (Fig. 6) Drain pan Drain hose Nylon fastener >_]]VbTZR\ _^UZdZ_^Vb Wrap the - Haier AB12CS1ERA | Service Manual - Page 58
(Install the drain hose in the direction.) >_]]VbTZR\ _^UZdZ_^Vb 3. INSTALLING BRACKETS Install the brackets with nuts, washers and spring washers.(Fig. 15) Fig. 15 Right Fig. 11 Spring washer Special nut Bracket CAUTION Install the drain hose at the rear; it should not be installed on the - Haier AB12CS1ERA | Service Manual - Page 59
>_]]VbTZR\ _^UZdZ_^Vb 5. INSTALL THE DRAIN HOSE Select whether the drain hose will be connected to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.6) Wrap the insulation (drain hose)around the drain hose connection - Haier AB12CS1ERA | Service Manual - Page 60
and drop height of connecting pipe 90 0.5O Please refer to the installation manual of outdoor unit Joint To ensure the efficiency , Pipes shall be as 35mm Gas Pipe 12.7mm Nut Tighten Torque (N. m) 11.8 49.0 Smear refrigerant oil on the joints of piping and flare. The bending radius shall be
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Commercial Air Conditioning
SERVICE MANUAL
MULTI
upgrade series
Models
Indoor: AB09CS1ERA
AB12CS1ERA
AB18CS1ERA
AB24ES1ERA
AC12CS1ERA
AC18CS1ERA
AC24CS1ERA
AD09LS1ERA
AD12LS1ERA
AD18LS1ERA
AD24LS1ERA
Outdoor: 3U19FS1ERA
4U25HS1ERA
4U30HS1ERA
5U34HS1ERA
DC inverter technology, high energy efficiency, higher EER A+, energy
saving for the user
Universal indoor units for multi upgrade series, Unitary smart DC inverter
and HAIER DAC split inverter type
High voltage communication, convenient wiring work
Multiple control types
10
℃
constant temperature control
Universal power supply for 50Hz and 60Hz
Central control function available
New friendly refrigerant R410a, zero ODP, environment protection
Manual code: SYJS-017-10REV.0
Edition: 2010-12-10