Mini Chiller Service Manual （T1/R22/50Hz）
Contents
1. POWER XT1 222 EXT w10 2 1 ES Wiz 22 Ly 2 aX is Pid peko Xx wit w4 W5 W2 40 fume Dre fen senser tenp sensor emp sensor 2 hom Ne Ne Ne n wis wawis wao wael wid wag d meeer a wa E dog Yo 4 9 a ZW E i va Transformer Leena iO ME E uu i TC D4 vu du T ri x17 2 w21 E NECS ilh Ih W23 W19 w18 Wea 8 8 2 L sla a K FIN K a 3 inn ai 3 2 war weal Ka compressorti 44 NA mb xl E Y compressor2 Fan motor 1 Fan motor 2 F YEGN ke VEGN VEGN E COMPONENT POSITION BASRA 3 63 c2 ci API 2 61432241 Model HLRISWSZ K p ro d Pip 4771 INDOOR UNIT l 1555 53 i ME el wie e e E l E ss Eee eee eee FEE 82 53 Sz 8 5 1 X17 H 3o Ee q KM1 P 2 Y 2 T NT Re 22258 BRE iog lon Amm amp 552. Name of Part Part Code Quantity 1 Front Grill 22265401 1 2 Front Plate 01435402 1 3 Protection Grill 01475401 1 4 Cover 01255402 1 5 Back Side Plate 01305401 1 6 Handle 26225252 3 7 Valve Support 01715402 1 8 Metal Base 01205402 1 9 Front Side Plate 01305403 1 10 Axial Flow Fan 10335401 1 11 Condenser Assy 01125703 1 12 Motor Support 01705402 1 13 Motor LW92C 150154511 1 14 Isolation Plate 01235403 1 15 4 way Valve SHF 20H 43000338 1 16 4 way Valve Coil 430004005 1 17 Compressor C SBN303H8D 00129050 1 18 Gas Valve 07130212 1 19 Liquid Valve 071302335 1 20 Pressure Switch 460200061 1 21 Temp Sensor 3900012126 1 22 Electric Box 01405720 1 23 Terminal Board 42011044 1 24 Transformer 57X25D 43110240 1 25 Terminal Board 42011103 1 26 MainPCB WZ163 30221602 1 27 Capacitor CBB61 4uF 500V 33010013 1 28 AC Contactor GC3 18 01KK 3TF4211 44010226 1 29 Isolation WasherD 70410525 2 30 Wire Clamp 71010102 2 48 MINI CHILLER MAINTENANCE Model HLR10WSZ K O HLR12 5WSZ K O HLR15WSZ K O Exploded views
3. E L3 Wy Wy Tay p air outlet ub 7 unit mm demonstration LI L2 L4 distance gt 500 gt 1000 gt 500 gt 500 Split type Indoor unit d di i Seismic Spring L2 Isolators mm demonstration LI distance 2250 21200 INSTALLATION MINI CHILLER Integral Type O001 lt 0086 006 2 04 1 1 gull are UU S lem 0571 8 a o o JOJBJOSI eseq 7 Jejjno jepno 8 0085 n 00015 7 iun yooy Aq 1 ejou ay UBNOJUJ yii 24 MINI CHILLER INSTALLATION 2 WATER PIPING WORK 2 1 Installation Procedure For all guide
4. 49 MINI CHILLER Part List for HLRIOWSZ K O MAINTENANCE NO Name of Part Part Code Quantity 1 Front Grill 22265251 2 2 Front Plate 01435433 1 3 Protection Grill 01475432 1 4 Top Cover 01255262 1 5 Back Side Plate 01305434 1 6 Handle 26235252 3 7 Valve Support 01715001 1 8 Metal Base 01205433 1 9 Front Side Plate 01305431 1 10 Protection Grill Gasket 0 11 Axial Flow Fan 10535259 2 12 Condenser Assy 01125702 1 13 Motor Support 01705431 1 14 Motor FW68G 15013110 2 15 Isolation Plate 01235440 1 16 Liquid gas Separator 07225433 1 17 4 way Valve 43000338 1 18 Compressor C SBN373H8D 00129051 1 19 Gas Valve 07130212 1 20 Liquid Valve 071302115 1 21 Ambient Sensor 15K 3900012126 1 22 Temperature Sensor 20K 3900012125 1 23 Temp Limiter 0 24 Electric Box 01409067 1 25 Wire Clamp 71010102 2 26 Terminal Board 42011044 1 27 Terminal Board 42011103 1 28 Terminal Board 0 29 Capacitor CBB61 3 5 u F 450V 33010010 2 30 AC Contactor GC3 18 01KK 3TF4211 44010226 1 31 Over current Protector 46020112 1 32 Phase Reverse Protector 0 33 Isolation Washer D 70410525 2 34 4 way Valve Coil 430004002 1 35 Compressor Gasket 0 36 Capillary Assy 04105702 1 37 pressure switch 460200061 1 38 Capacitor Clamp 0 39 Transformer 57X
5. e EW 20 UNITS UNS TA 5555 22 I UNITS INSTALUPBN eee rhet a p 22 1 1 Installation Positions cierre rte eterne rhet terree ee rer erre tg exte TREE ree 22 1 2 Matters need Attention 22 1 3 DIMENSION 22 1 2 INSTALLATION CLEARANCE DATA 23 2 WATER PIPING WORK ettet etae thi renean RE oa 25 2 1 Installation Procedures Erb BER SERE REESE EUROPE er etr 25 2 2 Matters of We e eee 25 PASE UD yz M 25 IJ ELECTRIC WIRING WORK tot Pro e HR RERO PITE RET INTERES EES 25 3 1 Wiring Principle eee tote dee etre ra ae 23 3 2 Electric Wiring 25 3 3 SPECIFICATION OF POWER CORD amp AIR SWITCH eee 25 3 4 CIRCUIT DIAGRAM tea eet dete 26 34 Diagram Split Type cer rte o ear E er ER REED 26 3 4 2 Circuit Diagram Integral Type rrr ert eter tet eden 28 UNITS ranae EN EE ke ek 31 L ERROR 6 EEEE EE aSa naa 31 2 FLOW CHART OF TROUBLESHOOTING a 32 3 DISASSEMBLY AND ASSEMBLY PROCEDURE O
6. 6 PPI 0002 C LPPI C LPPZ x ran PUMP comi m 7 5 ta mo am Qm em u si TB 15 EZ EZ RTI RT2 RTS RT4 RTS RT6 RT7 Specification 1 Auxiliary electric heater is optional part for heat pump unit once it is used please connect the temp restricter HT1 with XT2 10 and XT2 11 2 Cooling only type unit do not have below parts KM5 Auxiliary electric heater LP12 LP22 RT5 RT6 YV1 YV2 3 if the chiller is connected with fancoil units please remove the wire between AC L and X16 on PC then connect X16 to X1 on fancoil unit patching board 4 Remarks ey means terminals on XT2 patching board 29 MINI CHILLER MAINTENANCE MINI CHILLER UNITS MAINTENANCE 1 ERROR CODE LIST 1 Comp High pressure protection 2 System 1 antifreezing protection tri ti 3 Comp 1 Low pressure protection Comp 1 Discharge temp protection Comp overload protection Pump overload protection 7 Flow switch malfunction 8 Fan 1 overload protection temp too high protection protection
7. It means the value shown at present main display area is parameter It 5 Parameter display shows only under Parameter Check mode 6 Defrost display It displays when defrosting otherwise it doesn t displays It displays when system or compressor orders for showing which system 7 System ID is defrosting 8 Testing display For testing it displays under compel operation It shows the error code displayed on Main Display Area It displays when 9 Error code display M there is error at system or communication Caution 1 When unit is off it displays only temperature of back water When unit is on under normal state if there is no error it displays temperature of back water if there is error it displays error code when there is no operation after 60s of pressing the button it quit back to normal state display automatically 2 Auto antifreeze operation display only for heat pump unit When auto antifreeze function is started and relevant conditions are satisfied unit begins auto antifreeze operation At this time LCD main display area displays code d2 if there is error it displays error code 3 3 Installation 1 First select an installation position According to the size of the communication line of the wire controller leave a recess or a embedded wire hole to bury the communication line 2 If the communication line between the wire controller 85x85x20 and the indoor unit
8. If the power Yes cable is fallen If the fuse is Yes burnt ainboard is broken Replace the fuse Replace the Yes mainboard If the transformer is burnt Yes Replace the transformer The connection wire between display board and ainboard is loosened Yes Reconnect Replace the display board 32 MINI CHILLER MAINTENANCE he Powel cable is loosened E7 failuer Yes Cut off the power and restart after cable is N reconnected the contacto failure Replace the contactor E Replace the Cut off the power restart after the wire is C resumed If the pump start If the pump failure rotates in reverse three phas unit Adjust the phase sequence If the wire is fallen f the flow switch failure Adjust the size and angle of the target The filter is blocked Clamp the target to pipe Clean the filter Replace the target he replenish is sufficient Replenish the water he valve ope too small Adjust the openness of the valve 3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 3 1 Split Type 3 1 1 Outdoor Unit 33 MINI CHILLER MAINTENANCE Operation Procedure Illustration 1 Remove the front case 1 Remove the panel Loosen the two tapping screws fixing the front grill P
9. Liquid Divider Sub Assv 04322108 1 26 Gas Pipe Sub Assy 04632102 1 27 Liquid Sub Assy 04322106 1 28 Outlet Water Pipe Sub Assyv 03248247 1 29 Big Handle 26233431 1 30 Relief Valve 07188204 1 31 Tube Clip 02148224 1 32 Enter Water Pipe Sub Assy 03248248 1 33 Right Side Plate 1 01312107 1 34 Water switch FSF50P 2G1 2 45028207 1 35 Auto Water Replenishing Valve 07108207 1 36 Right Side Plate 2 01302114 1 37 Water Tube Jam 76718201 1 56 MINI CHILLER Part List for HLRISWSZ K I MAINTENANCE NO Name of Part Part Code Quantity 1 Water Pump MHI202 43138218 1 2 Vertical Pillar Assy 01758216 4 3 Pedestal Parts 012021171 1 4 Left Side Plate 01302116 1 5 Electric Box cover 014182371 1 6 Electric Box 01418235 1 7 Temperature Sensor 390001219 1 8 Temperature Sensor 390001217 1 9 Temperature Sensor 3900012116 1 10 Terminal Board 42010254 1 11 AC Contactor CJX9B 25S D 44010245 1 12 Transformer 57X25D 43110240 1 13 Main Board 7153 30221501 l 14 Electric Component Mounting Plate 01338243 1 15 Wiring 40110111 1 16 Display Board 716301 30291603 1 17 Left Side Plate 01302116 1 18 Double Pipe Heat Exchanger 00908229 1 19 Expansion Drum 07228219 1 20 Cross Beam Sub Assy 01778240 1 21 Rear Panel 015382501 1 22 Cross Beam Sub Assy 1 01778236 1 23 T
10. wire controller shall not be installed in a place where there is water drop or large amount of water vapor 19 MINI CHILLER CONTROL 4 CONTROL WIRING DESIGN Indoor Unit Controller CN1 CN2 twisted pair twisted pair JI X17 Manual Unit Controller Outdoor Unit Controller The controllers of the split type unit include manual controller indoor unit controller and outdoor unit controller The indoor unit controller communications with manual controller and outdoor unit controller in RS485 The indoor unit controller connects manual controller with 4 line twisted pair Similarly the indoor unit controller connects outdoor unit controller with 4 line twisted pair Indoor Unit Controller Manual Unit Controller JI twisted pair X17 Outdoor Unit Controller The controllers of the Integral type unit include manual controller and outdoor unit controller The manual controller communications with outdoor unit controller in RS485 The manual controller connects outdoor unit controller with 4 line twisted pair 20 MINI CHILLER INSTALLATION MINI CHILLER INSTALLATION UNITS INSTALLATION 1 UNITS INSTALLING 1 1 Installation Positions For indoor unit Fix the indoor unit bracket to the wall using appropriate plugs and screws Hang the indoor unit on the top wall mounting bracket Fixthe indoor unit at the bottom side using appropriate plugs and screws For outdoo
11. 3 Comp 2 Low pressure protection tri 4 ies 5 w m m ON tri 2 Comp 2 Discharge temp protection Comp 2 overload protection Fan 2 overload protection System 2 outlet water temp too high G malfunction malfunction malfunction malfunction r malfunction sensor malfunction e malfunction F9 malfunction Communication EC malfunction tri 1 Antifreeze temp sensor 1 malfunction H Control Description Press ON OFF key to clear Auto resume Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Auto resume Press ON OFF key to clear Auto resume Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Press ON OFF key to clear Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume Auto resume MAINTENANCE 31 MINI CHILLER MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTING The unit cannot start If the power upply is norma Power off Stop and restart Replace the fuse Yes Adjust any two phases Cut off the power restart after the power is resumed f phase sequence protectio three phase Yes unit No 4 the power 6 mainboard is failure
12. CO elle lee TE TIN SES TALLI o 5 852222 woo wei WHIBU JBKJBNBN BU BK BNBN amp g 4 hy ps dg zr gr B W25 c 65 SEEN Cf e 58558 ol ES VoM 83 85 3 3 PES VO OF YEGN 8585 SE C4 63 XT2 TC C2 1 C4 KM1 KM2 XT3 63622212 27 MINI CHILLER 3 4 1 2 Indoor Units INSTALLATION POWER XT1 N N Oe L Lk 2RD 8BU PE JA19BU A1 2 2 2 14GN m HEATER 7 15 OG heat1 pump end_switch CN4 1 flow in 5 ee GNIS Water Inlet T n Temp Sensor AP2 55 flow out KICN12 Water Outlet 5 Temp Sensor Q M e T zi anti ice1 amp T CN2 Frost proof 5 INO UU a Temp Sensor 1 Ke a 4 POSITION TDOOR UNIT 5 OUTDOO 5 FLY X apa T TC KM2 controller AP2 X17 L KM1 XTI 63622112 3 4 2 Circuit Diagram Integral Type 1 8195 HLR25S A M HLR32S A M 28
13. MINI CHILLER INSTALLATION 7 2 KM3 42 a POWER RST kae 7 N N n ajale 1 M 1 1 1 D on 12 5 Temp control board APZ I ch NN i kus A alfe E 4 B FI vale 7 ey iiia Ten cds 4 T i f d LM M FA FA2 Er m d 42 41 m 1 f ND p Mi 1 1 2 1 2 a COMPZ
14. X EJ a os 5 a haa 2 we w cqg w Spee Spe Spe Spe uomine XIN 12 FL HPS poz L t m MODULE WIRED CONTROLLER APT AC L ar 112 1 112 Code explanation n X17 5 ow 791 80 a 17 RT sensor xii wi 16 HP High prese sl E 01 H LPPI 0102 H LPP2 C LPPI D LPP 15 2 tng seston PCB API 14 2 2 Tisi por all pen x ran m kon is A E FI Ve 7 11 10 Trid yate 3 al 8 8 9 Sindee treater 4 4 8 7 x 21 4 8 1 nm mn Y 6 6 0 0 6 6 5 FA Overload proteclor v v IN ad ett RT2 era rvs ere 7 rte i tt 4 A i pes tmm da the 2 PUMP iler png cue dator dpi 1 COP p Specification 1 Auxiliary electric heater is optional part for heat pump unit once it is used please connect the temp restricter HT1 with XT2 1 1 and XT2 1 2 2 Cooling only type unit do not have below parts 5 Auxiliary electric heater LP12 LP22 Defrost temp sensor 1 3 if the chiller is connected with fancoil units please remove the wire between AC L and X16 on PC then connect X16 to X1 on fanc
15. default 45min and the defrosting temperature is lower than the set starting temperature default 4 C the unit will start running defrosting mode and the 4 way valve will shut off and the outdoor fan will stop after 2s The condition of quit defrosting mode Under defrosting mode if the continual defrosting time is over the set continual time of defrosting default 8min and the defrosting temperature is over the set stopping temperature default 20 C the unit will restart running heating mode and the 4 way valve will start and the outdoor fan will run 3 WIRED CONTROLLER 3 1 Dimension ation dimension outline dimension insta 15 MINI CHILLER 3 2 Function 3 2 1 Operation View CONTROL OO A PARAMETER SET PASSWORD QUIT DEFROST ABC TEST OFF NO Name Function description MODE button It can switch between cooling and heating and this button is available only in cooling and heating mode CHECK button Press it once under normal state to enter check mode Under Check mode pressing this button when 17 is displayed can change the value of 17 Under Parameter Set mode pressing it once can switch
16. 02 1 27 Liquid Sub Assy 04322106 1 28 Outlet Water Pipe Sub Assyv 03248246 1 29 Big Handle 26233431 1 30 Relief Valve 07188204 1 21 Tube Clip 02148224 1 32 Enter Water Pipe Sub Assy 03248248 1 33 Right Side Plate 1 01312107 1 34 Water switch FSF50P 261 2 45028207 1 35 Auto Water Replenishing Valve 07108207 1 36 Right Side Plate 2 01302114 1 37 Water Tube Jam 76718201 1 55 MINI CHILLER MAINTENANCE Part List for HLR12 5WSZ K D NO Name of Part Part Code Quantity 1 Water Pump MHI202 43138218 1 2 Vertical Pillar Assy 01758216 4 3 Pedestal Parts 012021171 1 4 Left Side Plate 01302116 1 5 Electric Box cover 014182371 1 6 Electric Box 01418235 1 Temperature Sensor 390001219 1 8 Temperature Sensor 390001217 1 9 Temperature Sensor 3900012116 1 10 Terminal Board 42010254 1 11 AC Contactor CJX9B 25S D 44010245 1 12 Transformer 57X25D 43110240 1 13 Main Board 7153 30221501 1 14 Electric Component Mounting Plate 01338243 1 15 Wiring 40110111 1 16 Display Board Z16301 30291603 1 17 Left Side Plate 01302116 1 18 Double Pipe Heat Exchanger 00908229 1 19 Expansion Drum 07228219 1 20 Cross Beam Sub Assy 01778240 1 21 Rear Panel 015382501 1 22 Beam Sub Assy 1 01778236 1 23 Cover 012521091 1 24 Collecting Gas Pipe Sub Assy 04672101 1 25
17. 061 1 38 Capacitor Clamp 0 39 Transformer 57X25D 43110240 1 40 Main PCB WZ163 30221602 1 52 MINI CHILLER MAINTENANCE 4 1 2 Indoor Units Model HLR8WZ K I HLR10WSZ K I HLR12 5WSZ K D HLR15WSZ K T Exploded views 53 MINI CHILLER MAINTENANCE Part List for HLRSWZ K I NO Name of Part Part Code Quantity 1 Water Pump 43138218 1 2 Vertical Pillar Assy 01758216 4 3 Pedestal Parts 012021191 1 4 Front Panel Assy 015382471 1 b Electric Box cover 014182371 1 6 Electric Box 01418235 1 7 Temperature Sensor 390001219 1 8 Temperature Sensor 390001217 1 9 Temperature Sensor 3900019819 1 10 Terminal Board 42010254 1 11 AC Contactor CJX9B 25S D 44010245 1 12 Transformer 57X25D 43110240 1 13 Main Board 30221501 1 14 Electric Component Mounting Plate 01338243 1 15 Wiring 40110111 1 16 Display Board 30291603 1 17 Left Side Plate 01302116 1 18 Double Pipe Heat Exchanger 00908231 1 19 Expansion Drum 07228219 1 20 Cross Beam Sub Assy 01778240 1 21 Rear Panel Assy 015382501 1 22 Cross Beam Sub Assy 1 01778240 1 23 Top Cover 012521111 1 24 Collecting Gas Pipe Sub Assv 04672101 1 25 Liquid Divider Sub Assv 04322108 1 26 Gas Pipe Sub Assy 03812159 1 27 Liquid Sub Assy 03232157 1 28 Out
18. 10240 1 40 MainPCB WZ163 30221602 1 51 MINI CHILLER Part List for HLRISWSZ K O MAINTENANCE NO Name of Part Part Code Quantity 1 Front Grill 22265251 2 2 Front Plate 01435433 1 3 Protection Grill 01475432 1 4 Top Cover 01255472 1 5 Back Side Plate 01305434 l 6 Handle 26235252 3 7 Valve Support 01715001 1 8 Metal 01205472 1 9 Front Side Plate 01305431 1 10 Protection Grill tub 42035201 1 11 Axial Flow Fan 10335253 2 12 Condenser Assy 01109107 1 13 Motor Support 01705471 14 Motor LW92C 150154511 2 15 Isolation Plate 01235473 1 16 Liquid gas Separator 07225479 l 17 4 way Valve 43000338 1 18 Compressor C SBN453H8D 00129052 1 19 Gas Valve 07130212 1 20 Liquid Valve 071302335 1 21 Ambient Sensor 15K 3900012126 1 22 Temperature Sensor 20K 3900012125 1 23 Temp Sensor 3900012129 1 24 Electric Box 01392108 1 25 Wire Clamp 71010102 2 26 Terminal Board 42011044 1 27 Terminal Board 42011103 2 28 Terminal Board 0 29 Capacitor 4uF 500V 33010013 2 30 AC Contactor LC1D2501M7C 44010213 1 31 Over current Protector 46020103 1 32 Phase Reverse Protector 380V 46020052 1 33 Isolation Washer 70410523 1 34 4 way Valve Coil 430004005 1 35 Compressor Gasket 76710209 4 36 Capillary Assy 03009105 1 37 pressure switch 460200
19. 2 Part List for HLR35S A M HLR75S A M No Name of Part Part Code Quantity 1 Base Frame Sub assv 01202113 1 2 Base Plate Sub assy 01202111 1 3 Front Vertical Shaft Sub assy 01758211 1 4 Gas liquid Separator 07228003 2 Compressor and Fittings ZP83KCE TFD 522 99088 2 6 Electric Cabinet Sub assy 01408249 2 60 MINI CHILLER MAINTENANCE Cover Plate for Electric cabinet 01258226 2 8 Front Side Plate 01302103 2 9 Condenser Components 2 01108240 10 Vertical Shaft Front right 01722107 1 11 Water Pump MHI804 431382041 1 12 Inlet Pipe Sub assy 2 04362101 1 13 Expansion Vessel 072282191 1 14 Water Flow Switch FSF50P 1R1 45028209 1 15 Left Side Plate 01308274 1 16 Vertical Shaft Behind right 01722103 1 17 Inlet Pipe Sub assy 1 03248243 1 18 Four way Valve SHF 35H 43000339 2 19 Horizontal Beam Front 01778215 1 20 Horizontal Beam Left 01778204 1 21 10518601 2 22 Horizontal Beam cover plate 01778213 1 23 Roof Cover Plate Sub assv Left 01252103 1 24 Flow guide Loop 01448243 2 25 Roof Cover Plate Sub assy Right 01252105 l 26 Mortor SW300A 15018606 1 27 Mortor Mounted Plate Sub assy 01728238 2 28 Horizontal Beam Right 01778206 2 29 Condenser Components 1 01108239 1 30 Water Tra
20. 2 Remove electric box Loosen the screws fixing the box cover Remove all pressure switches and temp sensor See Fig 3 Electric box Fig 3 MINI CHILLER MAINTENANCE 3 Remove the water pump Loosen the joints fixing the water pump Remove the water pump See Fig 4 Water pump Fig 4 4 Remove the tube in tube heat exchanger welding out the pipes connected to the tube in tube heat exchanger Remove the tube in tube heat exchanger See Fig 5 Tube in tube heat exchanger Fig 5 5 Remove the flow switch Loosen the joints fixing the flow switch Remove the flow switch See Fig 6 Flow switch Fig 6 41 MINI CHILLER MAINTENANCE 6 Remove the expansion gas tank Loosen the joints fixing the expansion gas tank Remove the expansion gas tank See Fig 7 Expansion gas tank Fig 7 42 MINI CHILLER 3 2 Integral Type MAINTENANCE 1 Remove the front case Loosen the tapping screws fixing the front case See Fig 1 Pull down and remove the front case See Fig 2 Fig 2 43 MINI CHILLER MAINTENANCE 2 Remove electric box Loosen the screws fixing the box cover Remove all pressure switches and temp sensor See Fig 3 3 Remove compressor and gas liquid separator Remove the connection wire of compressor See Fig 4 welding out the suction pipe
21. 25D 43110240 1 40 Main PCB 7163 30221602 1 50 MINI CHILLER MAINTENANCE Part List for HLR12 5WSZ K O NO Name of Part Part Code Quantity 1 Front Grill 22265251 2 2 Front Plate 01435433 1 3 Protection Grill 01475432 1 4 Top Cover 01255262 1 5 Back Side Plate 01305434 ji 6 Handle 26235252 3 7 Valve Support 01715001 1 8 Metal Base 01205433 1 9 Front Side Plate 01305431 1 10 Protection Grill Gasket 0 11 Axial Flow Fan 10335253 2 12 Condenser Assy 01125702 1 13 Motor Support 01705431 1 14 Motor FW68G 15013110 2 15 Isolation Plate 01235440 1 16 Liquid gas Separator 07225433 1 17 4 way Valve 43000338 1 18 Compressor C SBN373H8D 00102702 1 19 Gas Valve 07130212 1 20 Liquid Valve 071302115 1 21 Ambient Sensor 15K 3900012126 1 22 Temperature Sensor 20K 3900012125 1 23 Temp Limiter 0 24 Electric Box 01409067 1 25 Wire Clamp 71010102 2 26 Terminal Board 42011044 1 27 Terminal Board 42011103 28 Terminal Board 0 29 Capacitor CBB61 3 5 F 450V 33010010 2 30 AC Contactor GC3 18 01KK 3TF4211 44010226 1 31 Over current Protector 46020112 1 32 Phase Reverse Protector 0 33 Isolation Washer D 70410525 2 34 4 way Valve Coil 430004002 1 35 Compressor Gasket 0 36 Capillary Assy 04105702 1 37 Pressure Switch 460200061 1 38 Capacitor Clamp 0 39 Transformer 57X25D 431
22. Cardiff Air Conditioning Mini Chiller Service Manual T1 R22 50Hz MINI CHILLER PRODUCT CONTENTS PRODUCT INTRODUCTION sisissscssecsscestncsieatscssi otssosasastendescestnatsashasoisoqsacasonsasdescenss 3 1 sass Seabees iebes ods peated sunesdedb 3 LD Split 3 1 2 Inte Sal 4 2 NOMENCLATURE eer 5 I T Spht tue 2 1 2 Integral Type E 5 SBUNCTION EET 5 4 PRODUCT DATA ATA 6 4 1 Product Data at Rated eere 6 4 2 Operation Ranger eret terr Pee Pee E P E eU sas 8 4 3 Pressure loss Conversion Chari soe e vc iir te t CHR ton C eT 8 4 4 Electrical iei tete aO EORR OO OE OU OE Oa Oo 8 gt PIPING DIAGRAM stuir reete edere Fere rk ede 9 UNITS CONTROL Prnt M 11 I OPERATJON BLOW CHART 5 etti eic fet ere e tutta 11 1 1 Cooling Operation retra tridente regen e ere e 11 1 2 Operation E lab 12 2 MAIN LOGIC i EET 13 15 4 CONTROL WIRING DESIGN 5
23. F MAIN 33 EET 33 3 2 Integral da 43 4 EXPLODED VIEWS AND PART LIST titre 47 4 1 Exploded Views and Parts List Split 47 4 2 Exploded Views and Parts List Integral 58 MINI CHILLER PRODUCT PRODUCT INTRODUCTION 1 MODELS LIST 1 1 Split Type Nominal oe A 220 240 1Ph CHLR8WZ K s CHLRIOWSZ K CHLR12 5WSZ K CHLRI5WSZ K 15 0 n A Note 1Ton 12000Btu h 3 517kW MINI CHILLER PRODUCT 1 2 Integral Type Nominal Appearance HLR19S A M V Ph Hz ow B R22 HLR35S A M 35 3807415 3Ph 50Hz HLRA5S A M 45 Note 1Ton 12000Btu h 3 517kW MINI CHILLER PRODUCT 2 NOMENCLATURE 1 1 Split Type HL 15 WS Z 0 1 2 3 4 5 6 7 8 NO Description Options Mini chiller Default Cooling only Product type R Heat pump Default Vertical type W Horizontal type Refrigeration Circuits PEREON S Twin circuit Product configuration 220 240V 1Ph 50Hz Indoor and outdoor unit code O Outdoor unit 1 2 Integral Type HL R 35 S A M 1 2 3 4 5 6 Description Description Mini chiller Default Cooling only Product type R Heat pump 19 19kW 25 25kW 35 35kW 45 45kW 4 Refrigeration Circuits Pa S Twin
24. S A M Models Cooling 64828 85300 109184 119420 153540 omina Capacity z 3 s 5 Heating 71650 92124 109276 129656 184248 Emo so ose Power cooing ss n ws Power Supply 380 415V 3Ph 50Hz High Low pressure switch compressor thermal protection over current Safeties protection lose of phase anti phase protection antifreeze protection water flow switch Type R22 i ENERO GNE Refrigerant 2 9X2 3 9X2 5 9X2 6 5X2 8 5X2 Compressor Heat Exchanger Tube in Tube Shell and tube Evaporator Water In Out Inch 1 1 2 1 1 2 1 1 2 Pipe Diameter Heat Exchanger Aluminum fin copper tube Fan Motor j 88 22 JE WCIEC 3E dE JE ELI Net Gross Weights 370 375 380 385 455 470 580 600 670 690 NOTE 1 Cooling capacity is based on the following conditions leaving chilled water temp 7 C outdoor air temp 35 C 2 Heating capacity is based on the following conditions leaving warmed water temp 45 C outdoor air temp 7 js 3 Water flow range for operation must be from 70 to 120 of the rated water flow 4 The maximum allowable pressure for water pipe is 0 9MPa Condenser Pump Unit Packing Dimension MINI CHILLER PRODUCT 4 2 Operation Range Range of Outdoor Temperature 16 48 15 28 4 3 Pressure loss Conversion Chart Water Flow m3 h The percentage 9 70 ___ 80 100 The percentage is cont
25. and discharge pipe See Fig 4 Loosen the bolts fixing the compressor and Remove the compressor and gas liquid separator Gas liquid separator Compressor Fig 4 44 MINI CHILLER MAINTENANCE 4 Remove the water pump Loosen the joints fixing the water pump Remove the water pump See Fig 5 5 Remove the expansion gas tank e Loosen the joints fixing the expansion gas tank Remove the expansion gas tank See Fig 6 Water pump Fig 5 Expansion gas tank 45 MINI CHILLER MAINTENANCE 6 Remove the flow switch Loosen the joints fixing the flow switch Remove the flow switch See Fig 7 7 Remove the shell and tube heat exchanger welding out the pipes connected to the shell and tube heat exchanger Remove shell and tube heat exchanger See Fig 8 Flow switch Fig 7 Shell and tube heat exchanger Fig 8 46 MAINTENANCE MINI CHILLER 4 EXPLODED VIEWS AND PART LIST 4 1 Exploded Views and Parts List Split Type 4 1 1 Outdoor Units HLRSWZ K O Exploded Views Model 13 12 t R TR 4 E 26 4 H c mye y I ff SY YN a V MINI CHILLER Part List for HLR8WZ K O MAINTENANCE
26. circuit 5 Design number description K 220 240V 1Ph 50Hz Nominal Cooling Capacity 3FUNCTION Indoor Unit Type Split Type Interface kit for up to 16 indoor units Memory restart Cooling and heating Two circuits optimized design Integral Type Low noise design Safety and reliability thanks to advance compressor balance control MINI CHILLER PRODUCT 4 PRODUCT DATA 4 1 Product Data at Rated Condition 4 1 1 Split Type L3 I 9 Dom IE Cooling Models Nominal Capacity Heating 307000 37550 44356 54600 Emo o3 a7 4 Power Supply 220 240V 1Ph 50Hz High Low pressure switch compressor thermal protection over Safeties current protection lose of phase anti phase protection antifreezing protection water flow switch R22 charge kg 188 2 22 SET Compressor Heat HeatExchanger Tube in Tube Diameter Heat Exchanger Aluminum fin copper tube NU GPM 176 22 26 31 1 Delivery Lift pom 20 2 _ Condenser Water Flow Pump 5 Unit 288 385 288 385 Packing Width mm 1100 1285 1100 1285 1100 1285 1100 1285 Dimension Depth mm 450 682 450 682 450 682 450 682 Net Gross Weights 8406 84 8406 84 96 Unit Height mm 840 850 840 1280 1250 1280 1250 1280 Packing Dimension Net Gross Weights 90 100 120 131 120 131 140 151 MINI CHILLER PRODUCT 4 1 2 Integral Type HLR__
27. e the capillary See Fig 12 Fig 10 Fig 12 37 MINI CHILLER MAINTENANCE 5 Remove electric box Loosen the screws fixing the box cover Remove all pressure switches and temp sensor See Fig 13 6 Remove compressor and gas liquid separator Remove the connection wire of compressor See Fig 14 welding out the suction pipe and discharge pipe See Fig 14 Loosen the bolts fixing the compressor and Remove the compressor and gas liquid separator Noise absorbing cover Fig 13 Compressor Gas liquid separator Fig 14 38 MINI CHILLER MAINTENANCE 7 Remove gas and liquid valve 1 Remove gas valve Loosen the bolts fixing the gas valve welding out the pipe connected to the gas valve See Fig 15 Note When welding the valve should be covered by wet cloth in order to avoid the high temp hurt 2 Remove liquid valve Loosen the bolts fixing the liquid valve welding out the pipe connected to the liquid valve See Fig 16 Note When welding the valve should be covered bv wet cloth in order to avoid the high temp hurt tas Valve bolts Fig 15 Liquid vavle Fig 16 39 MINI CHILLER MAINTENANCE 3 1 2 Indoor Unit Operation Procedure Illustration 1 Remove the Cover Loosen the tapping screws fixing the cover See Fig 1 Remove the cover See Fig 2
28. hen press ON button if the outdoor temperature is below 28 C it starts the water pump first after 30 If the outlet water temperature meets the heating running requirements it starts the fans of outdoor unit Then the compressor will run after 15s During the period of heating the unit will stop if the outlet water temperature meets the stopping requirements and the running time of compressor is over the shortest running time required The fans of outdoor unit will stop after 15s If the outdoor temperature is over 28 C the unit will stop and turn off all loads except the water pump Tum on Tum off ae dB dis 035 2 ChekifowsWtchisok Flow Switch I d When it is tumed off Fan 1 1 ji 158 ri Compresso 155 308 Four way Valvel IE 308 3min iss When it is turned off Fan 2 um af A 8 Pi EE Compressor 2 xi WET d si Four way Valve 2 FT IT 3 MM 0 4Sdoutcsd E 55 46 lt Tout lt 52 14 MINI CHILLER CONTROL 2 3 Defrosting Mode The condition of start defrosting mode Under heating mode if the accumulative running time of compressor is over the set interval time of defrosting
29. is surface mounted use 1 PVC pipe and make matching recess in the wall refer to Figure 6 If concealed installation is adopted 1 PVC pipe can be used Refer to Figure 7 3 No matter if surface mounting or concealed mounting is selected it is required to drill 2 holes in the same level which distance shall be the same as the distance 60mm of installation holes in the bottom plate of the wire controller Then insert a wood plug into each hole Fix the bottom plate of the wire controller to the wall by using the two holes Plug the communication line onto the control panel Lastly install the panel of the wire controller Caution During the installation of the bottom plate of the wire controller pay attention to the direction of the bottom plate The plate s side with two notches must be at the lower position and otherwise the panel of the wire controller cannot be correctly installed 18 MINI CHILLER CONTROL GY PVC pipe 7 U WV U NL IL iz U L 2 2 U Fig6 Surface Mounting of Cable Fig7 Concealed mounting of Cable N Fig 8 Schematic Diagram of Installation No Name 1 Wall Surface 2 Bottom Plate of Wire Controller 3 Screw M4X10 4 Panel of Wire Controller A Caution 1 The communication distance between the main board and the wire controller can be as far as 20m The standard distance is 8m 2
30. let Water Pipe Sub Assyv 03248247 1 29 Big Handle 26233431 1 30 Relief Valve 07188204 1 31 Tube Clip 02148224 1 32 Enter Water Pipe Sub Assy 03248248 1 33 Right Side Plate 1 01302118 1 34 Water switch FSF50P 2G1 2 45028207 ji 35 Auto Water Replenishing Valve 07108207 1 36 Right Side Plate 2 01302114 1 37 Water tube jam 76718201 1 54 MINI CHILLER MAINTENANCE Part List for HLRIOWSZ K I NO Name of Part Part Code Quantity 1 Water Pump MHI202 43138218 1 2 Vertical Pillar Assv 01758216 4 3 Pedestal Parts 012021171 1 4 Front Panel Assy 015382471 1 5 Electric Box cover 014182371 1 6 Electric Box 01418235 1 7 Temperature Sensor 390001219 1 8 Temperature Sensor 390001217 1 9 Temperature Sensor 390001216 1 10 Terminal Board 42010254 1 11 AC Contactor CJX9B 25S D 44010245 1 12 Transformer 57 25 43110240 1 13 Main Board 7153 30221501 1 14 Electric Component Mounting Plate 01338243 1 15 Wiring 40110111 1 16 Display Board 716301 30291603 1 17 Left Side Plate 01302116 1 18 Double Pipe Heat Exchanger 009082291 1 19 Expansion Drum 07228219 1 20 Cross Beam Sub Assy 01778240 1 21 Rear Panel Assy 015382501 1 22 Cross Beam Sub Assy 1 01778236 1 23 Top Cover 012521091 1 24 Collecting Gas Pipe Sub Assy 04672101 1 25 Liquid Divider Sub Assv 04322108 1 26 Gas Pipe Sub Assv 046321
31. lines instructions and specifications regarding refrigerant pipework between the indoor unit and the outdoor unit Please refer to the outdoor unit installation manual The units are equipped with a water inlet and water outlet for connection to a water circuit must be provided by a licensed technician and must comply with all relevant national regulations 2 2 Matters Need Attention Air vents must be provided at all high points of the system The vents should be located at points which are easily accessible for servicing An automatic air purge should be used Check the valve is not tightened too much so that automatic release of air in the water circuit remains possible 2 3 Antifreeze 09 Te z Tt Ambi n emperature C amp 407 3 3 38 1 7 29 6 7 20 11 701 16 7 2 0 985 0 980 0 974 0 970 0 965 Correction Factor Mater LOW 1 02 1 04 1 075 1 11 1 14 Factor Pressure Drop Correction 1 07 idi 118 1 22 1 24 Factor 3 ELECTRIC WIRING WORK 3 1 Wiring Principle POWER SUPPLY The electrical characteristics of the available power supply must agree with the unit nameplate rating Supply voltage must be within the limits shown See 3 3 for electrical and configuration data FIELD POWER CONNECTIONS power wiring must comply with applicable local and national codes Install field supplied branch circuit fused disconnect s of a type that can be locked off or open Disconnect
32. ning Satisfying open comp condition Outdoor fan compressor and valve running Temp of back water gt Set temp 5 spilt type Temp of back water gt Set temp 6 Integral type Compressor and outdoor fan stop Compressor stop for 3 min 12 MINI CHILLER 2 MAIN LOGIC 2 1 Cooling Mode When press ON button if the outdoor temperature is over 16 C it starts the water pump first after 30s If the outlet water temperature meets the cooling running requirements it starts the fans of outdoor unit Then the compressor will run after 15s During the period of cooling the unit will stop if the outlet water temperature meets the stopping requirements and the running time of compressor is over CONTROL the shortest running time required The fans of outdoor unit will stop after 15s If the outdoor temperature is below 16 C the unit will stop and turn off all loads except the water pump Pump 1 Fan 1 Fan 2 Flow Switch Compressor 1 Compressor 2 Four way valve 1 Four way valve 2 Turn on Turn off 30S 55 3min 30S Para 55 When it is turned off min 55 155 Check if flow switch is ok When it is turned off 10min 15 gt Tout gt 12 14 gt Tout gt 7 15 gt Tout gt 8 13 MINI CHILLER CONTROL 2 2 Heating Mode W
33. oil unit patching board 4 Remarks eX means terminals on XT2 1 XT2 2 patching board 7 power l N N KM4 KMS KM 2 OF JPM RD 39 RD 2 A KM3 5 GAAS Ss 250 7 fae A 4 oe PUMP L3 VEJBUJRE Vi RE 1 2 84 85 z 41 48 Ob ue TIME ET H Code explanation x76 0 Tae ij vita mE v e 208 5 pb Br 708 718 70 finr is T e Pr ir Ti Fes ch nT Aj Beam S s Ter icd Sen rl ou Fea Far m ah Eden Tr C i O Splen Far edl ay Sen T lle sen T EIL Ty f 7 15 Tn ot Fg Drei sin 7 Der Drei Pat Dyer Weir 11 ie near l film Seir 50 49 14 M11 PM FA MODULBNIRED CONTROLLER 1 2 1 12 1 15 x7 050290 soln an L 5 4
34. op Cover 012521091 1 24 Collecting Gas Pipe Sub Assy 04672101 1 25 Liquid Divider Sub Assy 04322108 1 26 Gas Pipe Sub Assy 04632102 1 27 Liquid Sub Assy 04322106 1 28 Outlet Water Pipe Sub Assyv 03248246 1 29 Big Handle 26233431 1 30 Relief Valve 07188204 1 31 Tube Clip 02148224 1 32 Enter Water Pipe Sub Assy 03248248 1 33 Right Side Plate 1 01312107 1 34 Water Switch FSF50P 2G1 2 45028207 1 35 Auto Water Replenishing Valve 07108207 1 36 Right Side Plate 2 01302114 1 37 Water Tube Jam 76718201 1 57 MINI CHILLER MAINTENANCE 4 2 Exploded Views and Parts List Integral Type Model HLRI9S A M HLR25S A M HLR32S A M Exploded views Part List for HLR19S A M HLR25S A M HLR32S A M 2 3 1 8 Condenser Components 1 042202 1 9 Windshieta2 ___ 0202 1 58 MINI CHILLER MAINTENANCE Right Side Plate Sub assy 01312233 12 Transition Pipe Sub assy 1 Four wav Valve condenser 04312244 1 Water Tray Sub assy 01282102 14 Vertical Shaft 2 01852102 Transition Pipe Sub assy 3 Condenser Capillarv for heating 04312110 i i i n i 2 n n 5 T n T i 3 5 5 39 Rour vay Valve Sucassy 2 omer 1 59 MINI CHILLER MAINTENANCE Model HLR35S A M HLR75S A M Exploded views 17 1819 20 2122 2 j V WA ON 25 26 27 28 29 30 31 3
35. r unit The installation is frost free The space around the unit is adequate for servicing The space around the unit allows for sufficient air circulation There is no danger of fire due to leakage of flammable gas All piping lengths and distances have been taken into consideration 1 2 Matters need Attention The indoor unit is packed in a cardboard box and fixed by straps At delivery the unit should be checked and any demage should be reported immediately to the carrier claims agent Check if all indoor unit accessories are enclosed Theindoor unit is heavy and should be lifted by two persons 1 3 DIMENSION DATA D 22 MINI CHILLER INSTALLATION 1 2 INSTALLATION CLEARANCE DATA Split type Outdoor unit m ya air inlet A
36. rasted to nominal water flow 4 4 Electrical Data 4 4 1 Split Type Compressor Pump Total Rated Model Power LRA C Supply NO each each NO CA CA 97 HLR8WSzZ K ae WE HLR10WSZ K 220 240 HLR12 5WSZ K 1Ph 50Hz HLR15WSZ K 4 4 2 Integral Type Model L NRC cA D 56 14 Notes LRA Locked rotor amps A MRC Maximum running current A NRC Nominal running current A MINI CHILLER PRODUCT 5 PIPING DIAGRAM Outlet Inlet High pressure Relief Flow Expansi Shell and tube heat valve switchdrum 7 y U m SON Low pressure meis Heating circuit Fourwayvalv Coding circuit Us E 12 Aluminum fin copper tube MINI CHILLER CONTROL MINI CHILLER UNITS CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Operation Open unit running in cooling mode Pump running Satisfying open comp condition Outdoor fan and compressor running Temp of back water lt Set temp Compressor and outdoor fan stop Compressor stop for 3 min CONTROL 11 MINI CHILLER CONTROL 1 2 Heating Operation Open unit running in heating mode Pump run
37. s must be located within sight and readily accessible 3 2 Electric Wiring Design 3 2 1 Electric Wiring Design Split Type 3 2 2 Electric Wiring Design Integral Type 3 3 SPECIFICATION OF POWER CORD amp AIR SWITCH TP Minimum Minimum Capability Sectional Area Sectional Area Model Power Supply of Air Ss teh of Earth of Power witc Wire Cord 25 MINI CHILLER INSTALLATION HLR12 5WSZ K HLR15WSZ K HLR19S A M 380 4 HLR25S A M HLR32S A M Note 3 4 CIRCUIT DIAGRAM 3 4 1 Circuit Diagram Split Type 3 4 1 1 Outdoor Units Model HLR8WZ K XT LK W7 WH N XT2 ae EN E w4 BU epe L 2112 Environment Discharge Defrost W6 K 11 anp sensor tenp ser d ewe i w5 WH J 5 BU w1 W19 w2 BK BU AD RD RD Lend BISS 18818 Oh COMPI 4V1 FAN LIRTI ACE KM 3 W10WH Tran
38. sformer i AP Ji To cr m fa L Jj w22 8 1 d zE COMPONENT BN o B unit Ad X6 POSITION DIAGRAM T C2 I OF1 12 F1 lev W13 Wi2 amp wet dh TGEX BU ye 7 2 BU A ab W18 wi7 KM C2 WHBUBK L3 RD RD W15 L alk _ y BN AP1 TR N ERN XT3 5 4 pall lt 1 wt e Hd 4 kre ee ee y compressor 2 1 ixtal xri E P p Fan motor W14 VEGN VEGN Six m 63622239 Model HLRIOWSZ K HLR12 SWSZ K MINI CHILLER INSTALLATION
39. the adjusting objection between parameter and value Press this button for about 5s to save and quit this parameter setting Increasing button To increase present set value or change set check object Decreasing button To decrease present set value or change set check object QUIT button Under Set and Check mode press it once to quit this mode Under Parameter Set mode this set value would not be saved Press this button for about 5s to set sound and make sound switch between always on and always off ON button To turn on the unit when under compel operation press it once to quit compel operation OFF button To turn off the unit press it once to quit compel operation when the unit is under compel operation LCD display Display information of the unit Note 16 CONTROL MINI CHILLER 1 Turn On Off Auxiliary Heater It is only available for heat pump unit Press CHECK once to enter Check mode Press A and W to change check object press CHECK again till the present check object becomes 17 value 17 switches between 01 03 auxiliary heater on and 00 02 auxiliary heater off That is 00 Off gt 01 On gt 00 Off or 02 Off gt 03 On gt 02 Off 2 Check Parameter After electrifying for 20s press QUIT then A to enter parameter checking mode Under this mode Auxiliary display area shows the checking object Main display area displays the value for
40. the checking object Press A and to change the checking object Press QUIT to quit from the check mode 3 2 2 Display View 1 4 c Quir I PARAMETER SET PASSWORD 6 DEFROST ABC TEST oy KA NO Name Function description cooling mode heating mode 1 Running mode display de reserved 2 Temp display It shows temperature value displayed at main display area It contains 2 numbers and a comma for showing temperature and 3 Auxiliary display area number of parameter at main display area It only displays when under Check mode and Parameter checking mode It contains a minus 2 numbers and 1 temperature unit for displaying value of temperature and parameter temperature or time value and error code When temperature value is displayed it shows value in algorism 2 and temperature unit when time is displayed it shows algorism value but 4 Main display area no temperature unit default unit is min when it is code it displays specific error refer to Malfunction Error List but no temperature unit Individual temperature or parameter may exceed 99 then adopt AX for 100 109 bX for 110 119 CX for 120 129 dX for 130 139 EX for 17 MINI CHILLER CONTROL 140 149 FX for 150 159 and X stands for a number between 0 9 Under normal state it shows temperature for back water
41. ull down and remove the front grill See Fig 2 2 Remove the cover Loosen the two tapping screws fixing the cover Remove the cover CSee Fig 3 34 MINI CHILLER MAINTENANCE 3 Remove the front plate Loosen the two tapping screws fixing the front plate Remove the front plate See Fig 5 4 Remove the grill Loosen the two tapping screws fixing the grill Remove the grill See Fig 6 35 MINI CHILLER MAINTENANCE 2 Remove the axial fan Loosen the ball nuts fixing the axial fan and remove the washer See Fig 7 Pull outward to remove the impeller See Fig 7 3 Remove the motor e Loosen the screws fixing the motor support Remove the motor support See Fig 8 amp Fig 9 Fig 8 Fig 9 36 MINI CHILLER MAINTENANCE Loosen the two screws fixing the motor Pull backward and remove the motor See Fig 10 Loosen the wire of motor and pull it through the hole 4 Remove the 4 way valve and capillary tube 1 Remove the 4 way valve Loosen the screws fixing the coil of 4 way valve Remove the coil of 4 way valve Welding out the tubes connected to the 4 way valve Remove the 4 way valve See Fig 11 Note When welding the valve should be covered by wet cloth in order to avoid the high temp hurt 2 Remove the capillary tube Welding out the tubes connected to the capillary tube Remov
42. y Sub assy 01272103 1 31 Rear Grill 01238202 1 32 Condenser Base Tray Sub assy 01768211 1 33 Rear Side Plate 1 01302106 1 34 Expansion Valve Sub assy 1 For 07332229 Heating 35 Expansion Valve Sub assy 1 For 07332227 Cooling 36 Shell in Tub 6278355 01050809 1 37 Vertical Shaft Behind right 01722103 1 38 Current Divider 06618733 2 39 Right Side Plate 01308276 1 40 Two direction Liquid vessel 07228213 2 41 Expansion Valve Sub assy 2 For 07332230 Heating 42 Vertical Shaft Front right 01722107 1 43 Expansion Valve Sub assy 2 For 07332228 Cooling 61
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