Haier 3U19FS1ERA Service Manual
Haier 3U19FS1ERA Manual
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- Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | Service Manual - Page 6
2. Specifications Commercial Air Conditioner Item Model 3U19FS1ERA Function Cooling Heating Rating capacity W 5400 6500 Power input (indoor + WxDxH) Package mm 886/289/688 mm 990/405/760 Refrigerant control method PMVs Defrosting method Automatic by reversible cycle Crankcase - Haier 3U19FS1ERA | Service Manual - Page 7
model Motor type r/min Max. 860 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 100/125 about 4000 TP2M / 7.94 2 about 0.75 - Haier 3U19FS1ERA | Service Manual - Page 8
type EHDS80A100AS DC Outdoor unit Heat exchanger Motor output/input power Air-flows (H/M/L) Type / Diameter Number of rows Face area W m³/h mm m² 100/125 about 4000 TP2M / 7.0 3 about 0.75 Dimension External (WxDxH) Package Refrigerant control method mm 948/340/840 mm 1040/430/1000 - Haier 3U19FS1ERA | Service Manual - Page 9
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 100/125 about 4000 TP2M / 7.0 3 about 0.75 948 - Haier 3U19FS1ERA | Service Manual - Page 10
Sensible heat ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.5 Power Supply Control type (Remote /wired) Remote or Wired Fresh air hole dimension mm 95 Electricity Heater kW NONE Noise / Shipping) kg / kg 2.8 / 4.8 Refrigerant Type R410A Pipe Liquid Gas mm φ6.35(1/4) mm - Haier 3U19FS1ERA | Service Manual - Page 11
Dehumidifying capacity 10‐³×m³/h Power Supply Type × Number Fan Speed(H-M-L) Fan motor output power r/min kW Air- wired Fresh air hole dimension Electricity Heater Noise level ---sound presure (H-M-L) Noise level ---sound power (H-M-L) Weight (Net / Shipping) Refrigerant Type Pipe - Haier 3U19FS1ERA | Service Manual - Page 12
heat ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.5 Power /32 Control type (Remote /wired) Remote,.YR-HD Fresh air hole dimension mm 56 Electricity Heater kW NONE Noise level --- Weight (Net / Shipping) kg / kg 3.5/4.5 Refrigerant Type R410A Pipe Liquid Gas mm φ6.35(1/4) mm - Haier 3U19FS1ERA | Service Manual - Page 13
heat ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.6 Power 20 Control type (Remote /wired) Remote,.YR-HD Fresh air hole dimension mm NONE Electricity Heater kW NONE Noise level Net / Shipping) kg / kg 26.3/32.3 Refrigerant Type R410A PIPING Pipe Liquid Gas mm φ6.35(1/4) - Haier 3U19FS1ERA | Service Manual - Page 14
Dehumidifying capacity 10‐³×m³/h Power Supply Type × Number Fan Speed(H-M-L) Fan motor output powe r/min kW Air air hole dimension mm Electricity Heater kW Noise level ---sound presure (H-M-L) dB(A) Noise level ---sound power (H-M-L) dB(A) Weight (Net / Shipping) kg / kg Refrigerant - Haier 3U19FS1ERA | Service Manual - Page 15
ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.8 Power 26/32 Control type (Remote /wired) Remote,.YR-HD Fresh air hole dimension mm 56 Noise level ---sound presure (H-M-L) dB(A) 42 Weight (Net / Shipping) kg / kg 3.5/4.5 Refrigerant Type R410A Pipe Liquid Gas mm 6.35 mm 12 - Haier 3U19FS1ERA | Service Manual - Page 16
heat ratio 0.71 / Dehumidifying capacity 10‐³×m³/h 1.8 Power 20 Control type (Remote /wired) Remote,.YR-HD Fresh air hole dimension mm NONE Electricity Heater kW NONE Noise level --- (Net / Shipping) kg / kg 28.3/34.3 Refrigerant Type R410A PIPING Pipe Liquid Gas mm φ6.35 mm - Haier 3U19FS1ERA | Service Manual - Page 17
Sensible heat ratio 0.73 / Dehumidifying capacity 10‐³×m³/h 2.1 Power output pow kW 730±30/540±30/400±30 0.05 Air-flow(H-M-L) m³/h 850/780/600 Static pressure Pa 25 Indoor Weight (Net / Shipping) kg / kg 23/26.5 Refrigerant Type R410A PIPING Pipe Liquid Gas mm mm φ6.35 φ12 - Haier 3U19FS1ERA | Service Manual - Page 18
ratio 0.72 / Dehumidifying capacity 10‐³×m³/h 2.5 26/32 Control type (Remote /wired) Remote,.YR-HD Fresh air hole dimension mm none Noise level ---sound presure (H-M-L) dB(A) 115 Weight (Net / Shipping) kg / kg 6.0/9.0 Refrigerant Type R410A Pipe Liquid Gas mm 9.52 mm 15 - Haier 3U19FS1ERA | Service Manual - Page 19
heat ratio 0.72 / Dehumidifying capacity 10‐³×m³/h 2.0 Power Supply kW 1220±40/1190±50/1050±50/980±50 0.10 Air-flow(H-M-L) m³/h 800/720/650 Type / Diameter mm inner Weight (Net / Shipping) kg / kg 28.3/34.3 Refrigerant Type R410A PIPING Pipe Liquid Gas mm 9.52 mm 15. - Haier 3U19FS1ERA | Service Manual - Page 20
Function Capacity Sensible heat ratio Dehumidifying capacity Power Supply Model kW Speed(H-M-L) Fan motor output power r/min kW Air-flow(H-M-L) m³/h Static pressure Pa Type / 60/56/52/48 PIPING Weight (Net / Shipping) Refrigerant Type Pipe Liquid Gas Connecting Method kg / kg mm - Haier 3U19FS1ERA | Service Manual - Page 21
688 357 24 100 51 355 3. Dimension 3U19FS1ERA: Air inlet Air inlet 52 Air outlet Handle 116 582 293 813 73 4U25HS1ERA, 4U30HS1ERA: 184 580 184 Air inlet 70 Air inlet 16.5 320 353 >_]]VbTZR\ _^UZdZ_^Vb 26 289 Handle } Liquid pipe:Ø6.35(flared)1/4 Gas pipe :Ø9.52(flared)3/8 A - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | Service Manual - Page 24
:FJKJMH DNMDFBKFE QSOF RMJQ8 U X Y >_]]VbTZR\ _^UZdZ_^Vb T [ Z \ V W =MPQBKKBQJNM EJLFMPJNM8+LL, AD09LS1ERA AD12LS1ERA AD14LS1ERA AD18LS1ERA 256 AD09LS1ERA AD12LS1ERA 00. 72. AD14LS1ERA AD18LS1ERA 00. -24- - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 Combinatio capacity(Kw) total cooling ns (Nom. cooling) capacity(kW) Comb. Uni Uni Uni ttt ABC Unit A Unit B min. rate - Haier 3U19FS1ERA | Service Manual - Page 27
>_]]VbTZR\ _^UZdZ_^Vb 4U25HS1ERA combination and the data COOLING Combinations Rated capacity Output/kW (Nom. cooling) Comb. Unit Unit Unit Unit Unit Unit Unit Unit ABCD A B CD 7 - - - 2.0 - - - 9 - - - 2.5 - - - 1x1 12 - - - 3.5 - - - 18 - - - 5.0 - - - 24 - - - 6.5 - - - 7 18 - - Haier 3U19FS1ERA | Service Manual - Page 28
>_]]VbTZR\ _^UZdZ_^Vb 4U25HS1ERA combination and the data HEATING Combinations Rated capacity Output/kW (Nom. heating) Comb. Unit Unit Unit Unit Unit Unit Unit Unit ABCD A B CD 7 - - - 2.3 - - - 9 - - - 2.9 - - - 1x1 12 - - - 3.8 - - - 18 - - - 5.5 - - - 24 - - - 7.0 - - - 7 18 - - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | Service Manual - Page 31
>_]]VbTZR\ _^UZdZ_^Vb 5U34HS1ERA combination and the data COOLING Comb. Combinations Uni t A Un it B Unit C Uni t D Uni t E 7 -- -- Rated capacity Output/kW (Nom. cooling) Unit Unit Unit Unit Unit AB C D E 2.0 - - - - 9 - - - - 2.5 - - - - 1x1 12 - - - - 3.5 - - - - 18 - Haier 3U19FS1ERA | Service Manual - Page 32
5U34HS1ERA combination and the data 9 9 9 9 - 2.50 2.50 2.50 2.5 9 9 9 12 - 2.27 2.27 2.27 3.18 9 9 9 18 - 2.00 2.00 2.00 4.0 9 9 12 12 - 2.08 2.08 2.92 2.92 9 12 12 12 - 1.92 2.69 2.69 2.69 12 12 12 12 2.50 2.50 2.50 2.5 7 7 7 7 7 2.00 2.00 2.00 2.0 7 7 7 7 9 1.90 1.90 1.90 1.9 7 7 7 7 12 - Haier 3U19FS1ERA | Service Manual - Page 33
>_]]VbTZR\ _^UZdZ_^Vb 5U34HS1ERA combination and the data 18 18 18 3.57 3.57 3.57 1.8 10.7 11.5 0.55 3.15 4.0 2.5 13.98 19.0 3.40 C 7 7 7 7 - 2.30 2.30 2.30 2.30 - 1.8 9.2 9.2 0.55 2.87 4.0 2.5 12.73 19.0 3.21 C 7 7 7 9 - 2.30 2.30 2.30 2.90 - 1.8 9.8 9.8 0.55 2.87 4.0 2.5 12.73 19.0 3.41 - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 indoor,the prior C D E stop valve is when - Haier 3U19FS1ERA | 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 3U19FS1ERA | Service Manual - Page 42
sets of M8 or M10 foundation bolts, nuts and washers each which are available on the market.) It is the indoor units The maxinum allowable length of refrigerant piping, and the maxmum allowable height difference between al lunits 3U19FS1ERA 25m max. 50m max. -41- 4U25HS1ERA 4U30HS1ERA 25m max. - Haier 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 3U19FS1ERA | 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 - Haier 3U19FS1ERA | Service Manual - Page 61
screw using a screw driver. Fig. 24 A. Solid wire Loop B. Strand wire Round terminal Insulation Screw with special washer Round terminal Terminal Wire board Wire Screw with special washer Round terminal HOW TO FIXED CONNECTION CORD AND POWER CABLE AT THE CORD CLAMP After passing the - Haier 3U19FS1ERA | Service Manual - Page 62
ELECTRICAL WIRING CAUTION (1) Match the terminal block numbers and connection cord colors with those of the outdoor unit. Erroneous wiring may cause burning of the electric parts. (2) Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire. (3) Always - Haier 3U19FS1ERA | Service Manual - Page 63
(3) Give the operating and installation manuals to the customer. MOUNT THE COVER PLATE AND THE INTAKE GRILL CAUTION (1) The power source capacity must be the sum of the room air conditioner current and the current of other electrical appliances. When the current contracted capacity is insufficient - Haier 3U19FS1ERA | Service Manual - Page 64
2. Mount the cover plate.(Left) (1) Join the cover plate (left) and mount with screws. Fig. 33 >_]]VbTZR\ _^UZdZ_^Vb 3. Mount the intake grill. (1) Cut the right side of the intake grill. This is only when the pipe exits from the right side Fig. 34 (2) Insert the hinges on the bottom of the - Haier 3U19FS1ERA | Service Manual - Page 65
Refrigeration Oil unit can be supported. Install the air can be easily sent to all the corners of the room. Install the indoor unit where the power socket is near and there is sufficient space around the indoor unit. Install the indoor unit where there is no T.V set, radio set, and wireless appliance - Haier 3U19FS1ERA | Service Manual - Page 66
cause noise, vibration or pipe broken and refrigerant leakage (see Figure 6). 4. Support the unit firmly. 5. Change the form Air supply Air outlet duct Return air bellows Return air Figure 4 Air outlet grille Return air bellows Air supply No obstacles within 1 m(0Pa) Unit Return air Each air - Haier 3U19FS1ERA | Service Manual - Page 67
>_]]VbTZR\ _^UZdZ_^Vb The distance between air duct outlet and air conditioner outlet is according to the length of actually installed air duct and in service behavior of the static pressure terminal: Installation sketch map for long and short air duct is showed below, when connect to short - Haier 3U19FS1ERA | Service Manual - Page 68
the only choice). These screws shall be installed as follows with space adapting to air conditioner overall dimensions according to the original building structures. Wooden structure A square wood shall be supported by the beams and then set the suspension screws. Square wood Suspension screw Beam - Haier 3U19FS1ERA | Service Manual - Page 69
, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose the drain pipe shall be less than 20 m. In case of long pipe, supports shall be provided every 1.5 2m to prevent wavy form. Central piping shall be - Haier 3U19FS1ERA | Service Manual - Page 70
to the outdoor unit. See the instruction manual attached with the outdoor unit for details. Supplementary refrigerant The refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit. The added refrigerant shall be R410a. The adding procedure - Haier 3U19FS1ERA | Service Manual - Page 71
wires shall be wound up with PVC tape. NOTE! The connection pipes shall also be wound up with insulating material to preserve the temperature. The airing direction shall be from bottom to top. Wiring methods: 1 Wiring method of ring terminal For connecting line which end is a ring,its wiring method - Haier 3U19FS1ERA | Service Manual - Page 72
>_]]VbTZR\ _^UZdZ_^Vb Brazed seam B=8.0-9.0(mm) d=4.3-5.3(mm) T=1.0-2.0(mm) (For your referrence) Ring Terminal Wiring method of ring terminal 2 Wiring method of straight terminal For connecting line which end is not a ring, its wiring method as follows: loosen wiring screw ans insert the - Haier 3U19FS1ERA | Service Manual - Page 73
>_]]VbTZR\ _^UZdZ_^Vb 5. PCB photo,Wiring diagram and function description 5.1 Outdoor unit 5.1. 1. Outdoor PCB photo 3U19FS1ERA filter board 4U25/30HS1ERA filter board 5U34HS1ERA filter board -72- - Haier 3U19FS1ERA | Service Manual - Page 74
outdoor display board(small service PCB) >_]]VbTZR\ _^UZdZ_^Vb outdoor main board -73- - Haier 3U19FS1ERA | Service Manual - Page 75
BW B W WB CN24 A-TC1 CN29 A-TC2 LED_G COMM CN13 CN12 LP HP PMV_RE PMV_A DISP PMV_B PMV_C DISP W LN Power -74- 5.1.2. Wiring diagram 3U19FS1ERA U VW M COMPRESSOR 1 2 3 4 Definition of SW1 on Malfunction Display OFF OFF OFF OFF State when out of factory (Normal Operating) ON OFF OFF - Haier 3U19FS1ERA | Service Manual - Page 76
>_]]VbTZR\ _^UZdZ_^Vb Reactor Tm W B &1 DC FAN MOTOR M HEATER CRANKCASE HEATER 4-WAY VALVE MODULE &1 5$ &1 &1 5% Toci Tc Ts U CN5 Ta V CN6 Td W CN7 Te RWB LP U VW HP FG Vsp VccGND Vdc &1 &1 TO Module ON 6: 12345678 &1 ACN &21 &1 &1 ACL &21 ON SW6 ON SW5 - Haier 3U19FS1ERA | Service Manual - Page 77
20 25 30 35 40 45 50 55 60 65 70 75 80 means the dip switch is "ON" SW7: pre-set dip switch Small service PCB:0151800076 SW1 definition: 1 OFF ON OFF OFF OFF ON 2 OFF OFF ON OFF OFF ON 3 OFF OFF OFF ON OFF ON 4 OFF OFF OFF - Haier 3U19FS1ERA | Service Manual - Page 78
EEV A Distributor Indoor unit B Liquid stop vavle Unit B liquid pipe temp. sensor Strainer EEV B EEV O Strainer -77- 3. Main control functions 3.1 Refrigerant diagram Pipe system for 3U19FS1ERA Indoor unit C Liquid stop vavle Unit C liquid pipe temp. sensor Strainer EEV C Check valve - Haier 3U19FS1ERA | Service Manual - Page 79
>_]]VbTZR\ _^UZdZ_^Vb Pipe system for 4U25/30HS1ERA 4-way valve coil: OFF Refrigerant flow in cooling ON Refrigerant flow in heating Indoor heat exchanger temp. sensor FAN-IN Indoor ambient temperature sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Unit A gas pipe - Haier 3U19FS1ERA | Service Manual - Page 80
>_]]VbTZR\ _^UZdZ_^Vb Pipe system for 5U34HS1ERA 4-way valve coil: OFF Refrigerant flow in cooling ON Refrigerant flow in heating Indoor heat exchanger temp. sensor FAN-IN Indoor ambient temperature sensor Indoor unit A Indoor unit B Indoor unit C Indoor unit D Indoor unit E Unit A - Haier 3U19FS1ERA | Service Manual - Page 81
will deposit on the bottom of compressor and mix with the refrigeranr oil. When re-startup, because low pressure reduces, refrigerant will be segregated from the refrigerant oil and cause soam in the oil, which will make compressor exhaust a lot of oil. Therefore please stop heating the - Haier 3U19FS1ERA | Service Manual - Page 82
will perform the compulsory defrosting operation. Cancel condition: Te≥12℃ and keep for 1 minute or the defrosting time is over 10 minutes. The manual defrosting signal of indoor unit will remain until the outdoor enters defrosting mode. Note: When outdoor compressor not running, the unti still can - Haier 3U19FS1ERA | Service Manual - Page 83
valve ON OFF 15s 450-pulse all EEVs auto open angle all indoor motors ON OFF 350-pulse(E) 450-pulse auto open angle anti-cold air function 3.7Frequency control when Td is too high Purpose: make compressor frequency control if the discharging temp. is too high, to lower the discharging temp - Haier 3U19FS1ERA | Service Manual - Page 84
>_]]VbTZR\ _^UZdZ_^Vb 3.8 Frequency control when there is CT over current protection 1.0 I Stop immediately, if abnormal stop 3 times in 1 hour, the unit will stop and alarm. 0.95I Reduce FQY rapidly 2HZ/S 0.93I Reduce FQY rapidly 1HZ/S 0.90I Reduce FQY slowly 1HZ/10S 0.88I Remain FQY - Haier 3U19FS1ERA | Service Manual - Page 85
unit stops, the reason that system still checks the low pressure : in a long time stop, make protection for the compressor on the condition of great refrigerant leakage. ·The reason that low pressure switch action time is 30 seconds: when compressor stops, low pressure does not change, so it will be - Haier 3U19FS1ERA | Service Manual - Page 86
system will enter oil return operation. In the course of mode changeover, manual unit stop or protective unit stop, the time will be accumulative. After the mode or after the oil return, and within 5 minutes after the refrigerant being eliminated is over, the anti-freezed protection is invalid, and - Haier 3U19FS1ERA | Service Manual - Page 87
>_]]VbTZR\ _^UZdZ_^Vb After oil return in cooling mode, the quit condition of refrigerant eliminated: 1 minute later after oil return is over ＆ Td‐Tc＞30℃ OR OR Ts‐Tc2AVE＞30℃ Tc2AVE＜‐35℃ Max. 10 minutes Oil return procedure in - Haier 3U19FS1ERA | Service Manual - Page 88
5.2 Indoor unit 5.2.1 AB,AC,AD PCB photo >_]]VbTZR\ _^UZdZ_^Vb -87- - Haier 3U19FS1ERA | Service Manual - Page 89
>_]]VbTZR\ _^UZdZ_^Vb REMOTE UP/ LEFT/ DOWN RIGHT FAN SWING HEATER PUMP CENTRAL PANEL 0150507096 TR -88- 5.2.2. AB,AC,AD Wiring Diagram CN19 CN10 CN15 CN14 SW2 ON 4321 SW1 ON 87654321 CN3 CN1 CN29 CN11 CN7 CN8 CN9 CN5 FUSE T3.15A/250VAC CH3 CN20 CN18 CN21 CN13 CN12 CH5 CH4 RC - Haier 3U19FS1ERA | Service Manual - Page 90
>_]]VbTZR\ _^UZdZ_^Vb 5.2.5. Electrical Control Functions For Cassette and Convertible type 1. Dip switch functions: AB*CS1ERA, AC*CS1ERA, AD*LS1ERA: SW1-1~~SW1-8 SW1-1 ON OFF OFF ON SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description OFF OFF * * * * * 09 indoor ON OFF * * * * - Haier 3U19FS1ERA | Service Manual - Page 91
>_]]VbTZR\ _^UZdZ_^Vb 2. Sign definition: Indoor Tai Tc1 Tc2 Ambient temp. Outlet pipe temp. Inlet pipe temp. Tcomp1,2 Temp. compensation Tm mid coil temp. Tset Set temp. Tao Ambient temp. Toci Thick pipe of heat exchanger outdoor Tc Te mid condenser temp. Defrost temp. Ts - Haier 3U19FS1ERA | Service Manual - Page 92
slow speed for 20 seconds. 9.2 In defrosting period, indoor fan motor stops running. 9.3 Defrosting is over, and indoor motor will run as anti-cold air state. 10. Blowing remaining heat operation When the unit shuts off in heating mode or the thermostat is OFF, indoor motor will stop running after - Haier 3U19FS1ERA | Service Manual - Page 93
defrosting. 13.3 Remote control type: In heating mode, high speed, 30℃, press SLEEP button 6 times, and the buzzer will sound 3 times, then enter the manual defrosting. 14. Trial operation 14.1 Enter condition A. Wired control type: In OFF state of COOL or HEAT mode, press ON/OFF button for over - Haier 3U19FS1ERA | Service Manual - Page 94
>_]]VbTZR\ _^UZdZ_^Vb 17. Healthy negative ion function When receiving the healthy signal from the wired controller or remote controller, if fan motor is running, the negative ion will work; If the fan motor stops, the negative ion generator will stop. 18. Auto-restart function 18.1 Wired - Haier 3U19FS1ERA | Service Manual - Page 95
>_]]VbTZR\ _^UZdZ_^Vb 20. Setting method of temperature compensation Tcomp A. Wired control type unit: this function is not available B. Remote control type unit: In cooling or heating mode, there is always with the temp. compensation. In heating mode: In 24℃ heating mode, press SLEEP(or SWING) - Haier 3U19FS1ERA | Service Manual - Page 96
Malfunction of condensing temp. sensor Outdoor Unit Std. Value Max Value 8 Discharging temperature overheating.Lack of refrigerant, ambient temperature too high or PMVs blocked. 3U19FS1ERA 30 50 40 Malfunction of liquid pipe temp. sensor for indoor unit E 4U25HS1ERA 40 70 9 Malfunction - Haier 3U19FS1ERA | Service Manual - Page 97
>_]]VbTZR\ _^UZdZ_^Vb 6.1.2. Diagnostic code for indoor unit No. failure description 1 ambient temperature sensor failure 2 coil temperature sensor failure 3 EEPROM failure 4 communication failure between indoor and outdoor 5 communication failure between indoor and wired controller 6 - Haier 3U19FS1ERA | Service Manual - Page 98
is faulty, replace yes display panel circuit is damaged, replace it yes replace power wiring and check again yes replace the fuse and check again Trouble 2: Sensor failure start as per the wiring diagram,check the connection between sensor and PCB is correct yes check if sensor is in open - Haier 3U19FS1ERA | Service Manual - Page 99
when running, that shows EEPROM is faulty and need to be replaced. Trouble 5: Indoor repeated unit number 1.Firstly query the unit number: switch off with outdoor pipe B is No. 2; the unit with pipe C is No.3 Trouble 6: Indoor fan motor failure, AC fan motor has not 50Hz zero-crossing detection start - Haier 3U19FS1ERA | Service Manual - Page 100
module damaged (15％ possibility) 3. Damaged compressor results in this failure (10％ possibility) 4. Main control board is faulty, replace it (5％ possibility) Trouble 10: High pressure failure Reasons: 1. Over high system pressure results that the unit stop, and the compressor protection will work - Haier 3U19FS1ERA | Service Manual - Page 101
>_]]VbTZR\ _^UZdZ_^Vb Failure 11: Low pressure switch failure Reason: 1. Too low system pressure causes that the unit stops and the compressor protection works, the failure can be resumed. 2. Pressure switch wire is not fixed well or in open circuit. start check if the connector between - Haier 3U19FS1ERA | Service Manual - Page 102
VbTZR\ _^UZdZ_^Vb 7000 6500 6000 3U19FS1ERA cooling capacity in relation to temperature Indoor temperature temperature D.B. Heating capacity (W) 8500 7500 6500 5500 4500 3500 -15 3U19FS1ERA heating capacity in relation to temperature Indoor temperatureD .B. 25 20 15 10 -10 -5 - Haier 3U19FS1ERA | Service Manual - Page 103
Cooling capacity (W) >_]]VbTZR\ _^UZdZ_^Vb 10000 4U25HS1ERA cooling capacity in relation to temperature 9000 8000 7000 6000 5000 4000 15 20 25 30 35 40 43 Outdoor temperature D.B Indoor temperature W.B./D.B. 14/20 16/22 19/27 22/30 10000 9000 4U25HS1ERA heating capacity in - Haier 3U19FS1ERA | Service Manual - Page 104
Cooling capacity (W) >_]]VbTZR\ _^UZdZ_^Vb 11000 10000 4U30HS1ERA cooling capacity in relation to temperature Indoor temperature W.B./D.B. 9000 8000 7000 6000 14/20 16/22 19/27 22/30 5000 15 20 25 30 35 40 43 Outdoor temperature D.B. 12000 11000 4U30HS1ERA heating capacity in - Haier 3U19FS1ERA | Service Manual - Page 105
Cooling capacity (W) >_]]VbTZR\ _^UZdZ_^Vb 13000 12000 11000 10000 9000 8000 7000 6000 15 5U34HS1ERA cooling capacity in relation to temperature Indoor temperature W.B./D.B. 20 25 30 35 40 43 Outdoor temperature D.B. 14/20 16/22 19/27 22/30 14500 13500 5U34HS1ERA heating capacity - Haier 3U19FS1ERA | Service Manual - Page 106
and temperature distribution curves 8.1 AB092-182CS1ERA: a. Cooling / Air Velocity Distribution Cooling Blowy angle:40 Air Velocity Distribution 2.7m 1.5m/s 1.0m/s 0.5m/s 2m 1.5m/s 1.0m/s 1m 0.5m/s 0m 4m 3m 2m 1m 0m 1m 2m 3m 4m b. Cooling / Temperature Distribution Cooling - Haier 3U19FS1ERA | Service Manual - Page 107
Velocity Distribution Heating Blowy angle:70 Air velocity Distribution >_]]VbTZR\ _^UZdZ_^Vb 2.7m 1.5m/s 1.0m/s 0.5m/s 4m 3m 2m 1m d. Heating / Temperature Distribution Heating Blowy angle:70 Temperature Distribution 1.5m/s 1.0m/s 0. - Haier 3U19FS1ERA | Service Manual - Page 108
8.2 AC14/182CS1ERA: a) Grounding a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution 2.4 1.5m/s 1.0m/s 0.5m/s >_]]VbTZR\ _^UZdZ_^Vb 0 5.5 b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution 2.4 27 25 22 0 5.5 -107 - Haier 3U19FS1ERA | Service Manual - Page 109
c. Heating / Air Velocity Distribution Heating Blowy angle:5 Air velocity Distribution >_]]VbTZR\ _^UZdZ_^Vb 2.4 0.5m/s 1.0m/s m/s 0 5.5 d. Heating / Temperature Distribution Heating Blowy angle:5 Temperature Distribution 2.4 22 25 27 0 5.5 -108- - Haier 3U19FS1ERA | Service Manual - Page 110
b) Ceiling a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution 2.4 m/s >_]]VbTZR\ _^UZdZ_^Vb 1.0m/s 0.5m/s 0 5.5 b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution 2.4 22 25 27 0 5.5 -109- - Haier 3U19FS1ERA | Service Manual - Page 111
c. Heating / Air Velocity Distribution Heating Blowy angle:65 Air velocity Distribution 2.4 m/s 0.5 0 d. Heating / Temperature Distribution Heating Blowy angle:65 Temperature Distribution 2.4 27 25 22 0 >_]]VbTZR\ _^UZdZ_^Vb 5.5 5.5 -110- - Haier 3U19FS1ERA | Service Manual - Page 112
flow m3/h AIRFLOW AND STATIC PRESSURE CHART 600 550 500 S.H 450 H M 400 L 350 300 20Pa 15Pa 10Pa 5Pa 0Pa static pressure (Pa) AD18LS1ERA air flow m3/h AIRFLOW AND STATIC PRESSURE CHART 800 750 700 650 S.H 600 H 550 M L 500 450 400 20Pa 15Pa 10Pa 5Pa 0Pa static - Haier 3U19FS1ERA | Service Manual - Page 113
Air flow m3/h AD24LS1ERA >_]]VbTZR\ _^UZdZ_^Vb Air flowand static pressure chart 1300 1200 1100 1000 900 H M 800 L 700 600 500 20pa 15pa 10pa 5pa 0pa Static pressure (pa) -112- - Haier 3U19FS1ERA | Service Manual - Page 114
10. Noise level a. Casset type indoor unit >_]]VbTZR\ _^UZdZ_^Vb .7/ V`nodib dggpnom\o`@ .8/ V`nodib ^ji_dodji@ \4 Wido mpiidib di oc` ijhdi\g ^ji_dodji ]4 V`no di oc` n`hd3\i`^cjd^ ^c\h]`m ^4 Pjdn` g`q`g q\md`n amjh oc` \^op\g a\^ojmn np^c \n mjjh nomp^opm`2 `o^4 (3) Test method According to - Haier 3U19FS1ERA | Service Manual - Page 115
Sound pressure level DB Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 800.0 1000.0 1250.0 1600.0 2000.0 2500.0 3150.0 4000.0 5000.0 6300.0 121160802050000000000000.....00000 >_]]VbTZR\ _^UZdZ_^Vb -- -114- 1/3 octave band noise - Haier 3U19FS1ERA | Service Manual - Page 116
Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 211108653221162041001506005030028000500000500000000000000000000 000000000000000 1/3 octave band noise level-AB18CS1ERA 55.0 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 third octave - Haier 3U19FS1ERA | Service Manual - Page 117
b. Convertible type indoor unit ,2- PYgh]b[ ]``ighfUhY; >_]]VbTZR\ _^UZdZ_^Vb ,3- PYgh]b[ WcbX]h]cb; U0 Qb]h fibb]b[ ]b h\Y bca]bU` WcbX]h]cb V0 PYgh ]b h\Y gYa]/UbYW\c]W W\UaVYf W0 Jc]gY `YjY` jUf]Yg Zfca h\Y UWhiU` ZUWhcfg giW\ Ug fcca ghfiWhifY. YhW0 (3) Test method According to the - Haier 3U19FS1ERA | Service Manual - Page 118
Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 211106208653241211005003001056208000050005000000000000000000000 000000000000000 Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 - Haier 3U19FS1ERA | Service Manual - Page 119
Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 800.0 1000.0 1250.0 1600.0 2000.0 2500.0 3150.0 4000.0 5000.0 6300.0 111280260050000000000000.....00000 1/3 octave band noise level-AC24CS1ERA 53.0 48.0 43.0 38.0 33.0 28.0 23.0 18.0 13.0 8.0 - Haier 3U19FS1ERA | Service Manual - Page 120
c. Duct type indoor unit -6. T_mncha cffomnl[n_? >_]]VbTZR\ _^UZdZ_^Vb Bcl ionf_n ^o]n Bcl chf_n -7. T_mncha ]ih^cncih? [3 Uhcn lohhcha ch nb_ higch[f ]ih^cncih \3 T_mn ch nb_ m_gc2[h_]bic] ]b[g\_l ]3 Nicm_ f_p_f p[lc_m `lig nb_ []no[f `[]nilm mo]b [m liig mnlo]nol_1 _n]3 (3) Test method - Haier 3U19FS1ERA | Service Manual - Page 121
Sound pressure level DB 1/3 octave band noise level-AD12LS1ERA 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 800.0 1000.0 1250.0 1600.0 2000.0 2500.0 3150.0 4000.0 5000.0 6300.0 8000.010000.012500.016000.020000.0 - Haier 3U19FS1ERA | Service Manual - Page 122
1/3 octave band noise level-AD24LS1ERA Sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 800.0 1000.0 1250.0 1600.0 2000.0 2500.0 3150.0 4000.0 5000.0 6300.0 111280260005000000000000.....00000 53.0 48.0 43.0 38.0 33.0 28.0 23.0 18.0 13.0 - Haier 3U19FS1ERA | Service Manual - Page 123
`e ^p ollj pqor`qrob2 bq`4 .9/ Test method 1. Set the unit: 1) the unit is placed on the rubber whose thickness is 5mm; 2) if the height between the air outlet and ground is less than 1m, block the unit up to 1m.far from ground 2. Test position: After setting the unit ,the test position - Haier 3U19FS1ERA | Service Manual - Page 124
160.0 200.0 250.0 315.0 400.0 500.0 630.0 111211122435860206020651030005008050005000000000000000000000000 000000000000000 >_]]VbTZR\ _^UZdZ_^Vb -123- 1/3 octave band noise level-3U19FS1ERA 70.0 65.0 60.0 55.0 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 third octave band frequency Hz - Haier 3U19FS1ERA | Service Manual - Page 125
sound pressure level DB 25.0 31.5 40.0 50.0 63.0 80.0 100.0 125.0 160.0 200.0 250.0 315.0 400.0 500.0 630.0 211111122034526086200650010500038500000500000000000000000000000 000000000000000 sound pressure level DB >_]]VbTZR\ _^UZdZ_^Vb -124- 1/3 octave band noise level-4U30HS1ERA 75.0 70.0 65 - Haier 3U19FS1ERA | Service Manual - Page 126
AD18LS1ERA ambient temp. sensor AD24LS1ERA discharging temp. sensor mid-condensor temp. sensor defrosting temp. sensor suction temp. sensor 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA outdoor ambient temp. sensor 5U34HS1ERA gas pipe temp.sensor liquid pipe temp.sensor condenser inlet temp.sensor - Haier 3U19FS1ERA | Service Manual - Page 127
>_]]VbTZR\ _^UZdZ_^Vb R80=50KΩ±3% B25/80=4450K±3% R80=50KΩ±3% B25/80=4450K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) -30 11600 24 536.6 -29 10860 25 511.1 -28 10170 26 486.9 -27 9529 27 464 -26 8932 28 442.3 -25 8375 29 421.7 -24 7856 30 402.1 -23 7372 31 383.6 -22 - Haier 3U19FS1ERA | Service Manual - Page 128
R25=23KΩ±2.5% B25/50=4200K±3% R25=23KΩ±2.5% B25/50=4200K±3% T(℃) Rnom(KΩ) T(℃) Rnom(KΩ) -20℃ -19℃ -18℃ -17℃ -16℃ -15℃ -14℃ 281.34 263.56 247.04 231.66 217.35 204.02 191.61 22℃ 23℃ 24℃ 25℃ 26℃ 27℃ 28℃ 26.54 25.3 24.12 23 21.94 20.94 19.99 -13℃ -12℃ -11℃ -10℃ -9℃ -8℃ -7℃ 180.04 169.24 159.17 - Haier 3U19FS1ERA | Service Manual - Page 129
12. Controller functions >_]]VbTZR\ _^UZdZ_^Vb - Haier 3U19FS1ERA | Service Manual - Page 130
>_]]VbTZR\ _^UZdZ_^Vb -129- - Haier 3U19FS1ERA | Service Manual - Page 131
>_]]VbTZR\ _^UZdZ_^Vb wIWXb \^ST[ WPb ]^c cWXb Ud]RcX^]|x - Haier 3U19FS1ERA | Service Manual - Page 132
CENTRAL OPERATION STANDBY PRE-HEAT DEFROST FILTER HEALTH CHECK SWING UNIT NO. DEMAND MANUAL CEN. ADD. SYS. ADD. C ROOM TEMP. F SET TEMP. TIMER timing running Self-inspection switch It is used for inspection service Filter reset After cleaning air inlet and filter, press this switch. The unit - Haier 3U19FS1ERA | Service Manual - Page 133
sharp objects. The temperature is on the basis of the setting value. The wind temperature may not reach the setting value because of the outer air conditioner and system protection. When the wired controller is power on, the screen fully displays it for two seconds. and clock zone "8888"-"888"-"88 - Haier 3U19FS1ERA | Service Manual - Page 134
>_]]VbTZR\ _^UZdZ_^Vb Present time setting The timing is based on the real time. Thus, the real time should be regulated in advance. The clock regulation steps are as follows: MODE FAN HIGH OPERATION HEAT C ROOM TEMP. CLOCK UP MODE FAN SWING HEALTH TEMP CLOCK TIME TIMER SET - Haier 3U19FS1ERA | Service Manual - Page 135
>_]]VbTZR\ _^UZdZ_^Vb Timing setting OFF timing: when a set time has elapsed, the unit stops running. ON timing: when a set time has elapsed, the unit starts. Press "ON/OFF"switch firstly, and set up operation mode. Please regulate the clock in MODE FAN SWING advance before using the - Haier 3U19FS1ERA | Service Manual - Page 136
ON OFF ON OFF ON OFF ON OFF Function description set as the slave controller set as the master controller standard controller air handler controller visible room temperature invisible room temperature Unavailable 26o lock available 26o lock Sensor of the controller Sensor in the unit unavailable - Haier 3U19FS1ERA | Service Manual - Page 137
OPERATION STANDBY PRE-HEAT DEFROST FILTER HEALTH CHECK SWING UNIT NO. DEMAND MANUAL CEN. ADD. SYS. ADD. C ROOM TEMP. F SET TEMP. for installation. Don't use excessive force to tighten screws, 3.Wiring instruction otherwise, the holder will be damaged. Use shielded wire between indoor
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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