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AIR COOLED SCROLL CHILLER C SERIES SERVICE MANUAL

1. Expansion Tank gt lt E 0 5 ie 5 2 V XV ri V WV 57 57 v S X GA A N x Connecting to ji L I power distributor T SHS m Auto Air 27 244 gt Water Flow Switch 999905919 Discharge Valve Stop Filter Spare pump Check Pressure Gauge Valve ABCN Valve A gt U fi EM LU lt gt gt lt Wilt gt lt QO X gt I X Thermometer Water Drain Pipe NA A A gt Auxiliary Electric Heater V V V Temp Limit Switch ABCN Connecting to power distributor WVYSVIC ONidid YALVM IVOIdAL 2 jenuew 991AJ9S senes 1 1 10126 2 JIV Air Cooled Scroll Chiller Series LI Service Manual 8 ANTIFREEZE The units can operate with a leaving chilled fluid temperature from of 41 F to 59 F 5 C 15 C A glycol solution is required when leaving chilled fluid temperature is below 4 5 C The use of glycol will reduce the performance of the unit depending on concentration Mass Concentration 10 20 30 40 50 Freezing Point F 3 3 26 7 8 18 13 9 7 21 7 7 33 3 29 Ambient Temperature F 8 3 47 1 7 29 6 7 20 16 7 2 26 7 16 Cooling Capacity Correctio
2. Exhaust Temp Suction Temp i Low Pressure Switch Water side Air side Item Tem i B perature Difference Leaving Water F of Water F Air on Condenser F Cooling 5 15 41 59 2 5 8 37 47 5 46 41 115 Heating 40 50 104 122 2 5 8 37 47 15 24 5 76 4 3 Electric Data Compressor Fan Motor Total Model Rated Power Supply Qty MRG NRG Qty NRG MRC NRC each each each LSQW R F65MG NaC M 380 415V 3Ph 50Hz 2 30A 25A 3 1 7A 63A 56 9A LSQW R F80MG NaC M 380 415V 3Ph 50Hz 2 35A 29 1A 3 1 7A 76 9A 65 1A LSQW R F130MG NaC M 380 415V 3Ph 50Hz 4 30A 25A 6 1 7A 127 9A 113 8A LSQW R F160MG NaC M 380 415V 3Ph 50Hz 4 35A 29 1A 6 1 7A 144 4A 130 2A Notes MRC Maximum running current A NRC Nominal running current A 5 SCHEMATIC DIAGRAMS 5 1 Cooling Only Heat Exchanger with Axial Flow Fan Defrost Temp sensor MR Defrost Temp sensor 7 gt ni ig 2 jid Defrost Temp sensor ue 5 9 2 5 ii IX 2 High Pressure Switch High Pressure Switch 5 B om 5 8 o iL LL LLI 2 Exhaust Temp sensor gt Suction Temp sensor Low Pressure Switc
3. Water flow switch is Yes not installed or Install water flow switch or installed improperly check installation No Water flow switch malfunction Repair water flow switch No Yes Misdeclaring alarm Yes frequently If necessa ete C replace mainboard No Contact with supplier 33 MAINTENANCE Service Manual 6 Phase Inversion missing Protection Power Off Phase inversion missing protection Yes Phase sequence of Yes power supply is Adjust connection wires wrong No Phase missing Check power No iwase protector Yes Replace inverse protector is broken No Check if it happens is frequently If necessary oficontroller replace mainboard No Contact with supplier 3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and Assembly of Compressor Remarks Make sure there isn t any refrigerant in pipe system and the power supply is cut off before removal of the compressor Step Diagram Handling Instruction Recond the colarot 1 Lossen the screw of the power cord the Power cord and 2 Remove the power cord 4 the corresponding 3 If the compressor has e heater belt code of terminal it should be removed together Note when removing the power cord mark the terminals in ca
4. 1 Model LSQWRF 130MG NaC M LSQWRF 160MG NaC M 4 EXPLODED VIEWS AND PART LIST Air Cooled Scroll Chiller Series MAINTENANCE 42 Parts List LSQWRF130MG NaC M for EL01500290 Air Cooled Scroll Chiller Series Service Manual No Name of part Part code 1 Gas liquid Separator 07421111 2 Electric expand valve fitting 4300010824 3 Electric expand valve fitting 4300010825 4 Sensor sub assy 39001111G 5 Accumulator 07422206 6 Electronic Expansion Valve 07130364 7 Strainer 07210037 8 Dry Evaporator 0105880901 9 Chassis Assy 01191122P 10 Pressure Protect Switch 4602001513 11 Pressure Protect Switch 460200157 12 Pressure Protect Switch 4602001515 13 Pressure Protect Switch 4602001512 14 4 way Valve 43000339 15 Electrical Heater 76515211 16 Compressor and Fittings 00201121 17 Pressure Protect Switch 4602001547 18 Pressure Protect Switch 4602001546 19 Compressor Gasket 02118049 20 Magnet Coil 4300040049 21 Magnet Coil 4300040048 22 Drainage Pipe Sub assy 05238201 23 Condenser Assy 1 0112113601 24 Electric Cabinet Assy 01391179 25 Handle 26235253 26 Fan Motor 1570320201 27 Axial Flow Fan Sub Assy 10338702 28 Streamlined Dome 26904101 29 Fan Motor 1570320202 30 Fan Motor 1570320203 31 Condenser assy 2 0112113501 32 Electric Cabinet Assy 01391178 33 Over Current Protector 46020120 34 AC Contacto
5. Expanding valve 1 set to the initial step System 2 running control assistant electric heating control 9 CONTROL Air Cooled Scroll Chiller Series LI Service Manual 2 MAIN LOGIC 2 1 Cooling Mode 2 1 1 Control of Compressor 1 Start stop Control first start first stop first stop first start During running of the unit the compressor is numbered instantly It is controlled according to the principle of first start first stop first stop first start 2 Water Temperature Drop Rise Rate Control The water temperature interval is the main control while the temperature drop rise rate is the auxiliarv control This can adapt to the load variation of the terminal keeping water temperature stable and avoiding fierce variation In this control mode the svstem is based on the temperature and temperature drop rate when the water temperature is too high and if the temperature drop is rapid it means the output load is bigger than the terminal load In that case it is not necessary to startup the other compressor The temperature interval and temperature drop is decided by experience other theories and test so that the water temperature can be kept stable and frequent stop can be avoided 2 1 2 Anti freezing Protection For each module when the anti freezing temperature is lower than the required value for protection the anti freezing protection w
6. GREE Change for Life AIR COOLED SCROLL CHILLER gt gt C SERIES SERVICE MANUAL lt lt T1 R410A 50Hz GC201110 1 GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODU GT weeded 2 TMODELES a Prone scr Noten Peery 2 NOMENCLATU lll P 2 SEWING TION ii etes e haat et ake cas ptg At 3 4 PRODUCT DATA EM C 4 9 SCHEMATIC DIAGRAMS a 5 CONTROL ii 8 1 OPERATION FLOWCHART a ee 8 ZAIN LOGIC EC 10 3 WIRED REMOTE CONTROLLER ii i pete eek le at 11 4 SKETCH MAP OF DIP SWITCH i eee eee 15 5 CONTRASTING FORM FOR JUMPER CAP AND 5 15 INSTALLATION nette ete eH 17 1 2 e nbn us 17 ANSTALEK HON tati tee E 17 3 CAUTION FOR INSTALLATION 17 4 MACHINE FOOTPRINT ss ccc ni nen oie de Reh nee 17 S DIMENSION DAT Ceuta nt 17 6 INSTALLATION CLEARANCE 18 TYPICAL WATER PIPING 19 BANTIEREEZE AG obse o NC M denen a 20 9 ELECTRIC WIRING WORK bii usq tote auch sa ek ot pni e eese 20 i e 29 T
7. 32 Electric Cabinet Assy 01391326 33 Over Current Protector 46020121 34 AC Contactor 44010240 35 Terminal Board 420111251 36 Phase Reverse Protector 46020054 37 Single phase Air Switch 45020203 38 AC Contactor 44010229 39 Main Board 30220034 40 Terminal Board 42010247 41 Terminal Board 42011135 42 Main Board 30222007 i El Service Manual 2 Model LSQWF130MG NaC M LSQWF 160MG NaC M 45 MAINTENANCE Air Cooled Scroll Chiller Series LI Service Manual Parts List LSQWF130MG NaC M for ELO1500300 No Name of part Part code 1 Condenser assv 2 0112113401 2 Electric expand valve fitting 4300010825 3 Electric expand valve fitting 4300010824 4 Handle 26235253 5 Upper Front Panel 01541146P 6 Sensor sub assy 39001111G 7 Lower Panel 01541123P 8 Accumulator 07422206 9 Strainer 07210037 10 Electronic Expansion Valve 07130364 11 Chassis Assy 01191122P 12 Dry Evaporator 0105880901 13 Gas liquid Separator 07421111 14 Electrical Heater 76515211 15 Compressor Gasket 02118049 16 Pressure Protect Switch 4602001515 17 Pressure Protect Switch 4602001513 18 Compressor and Fittings 00201121 19 Pressure Protect Switch 4602001547 20 Pressure Protect Switch 4602001546 21 Drainage Pipe Sub assy 05238201 22 Condenser assy 1 0112113301 23 Electric Cabinet Assy 01391201 24 Fan Motor 15703
8. Axial Flow Fan Sub Assy 10338702 21 Fan Motor 1570320201 22 Fan Motor 1570320202 23 Fan Motor 1570320203 24 Magnet Coil 4300040048 25 Condenser assy 2 0112113803 26 Dry Evaporator 01058809 27 Strainer 07210037 28 Electric expand valve fitting 4300010824 29 Electric expand valve fitting 4300010825 30 Electronic Expansion Valve 07130364 31 Lower Panel 01541123P 32 Electric Cabinet Assy 01391325 33 Terminal Board 42010247 34 AC Contactor 44010240 35 Over Current Protector 46020121 36 Phase Reverse Protector 46020054 37 Single phase Air Switch 45020203 38 AC Contactor 44010229 39 Terminal Board 420111251 40 Main Board 30220034 41 Terminal Board 42011135 42 Main Board 30222007 E Service Manual 4 Model LSQWRF65MG NaC M LSQWRF80MG NaC M 51 MAINTENANCE Air Cooled Scroll Chiller Series Service Manual Parts List LSQWRF65MG NaC M for EL01500311 No Name of part Part code 1 Accumulator 07428818 2 Gas liquid Separator 07428819 3 4 way Valve 43000339 4 Magnet Coil 4300040049 5 Pressure Protect Switch 4602001512 6 Pressure Protect Switch 4602001515 7 Compressor and Fittings 00201121 8 Electrical Heater 76515211 9 Compressor Gasket 02118049 10 Sensor sub assy 39001111G 11 Pressure Protect Switch 4602001513 12 Pressure Protect Switch 4602001546 13 Pressure
9. LSQW R F130MG NaC M LSQW R F160MG NaC M Rubber cushion aren t shown in this view Air Outlet Ar Outlet perece P Air Inlet Air Inlet st Q Ww NI s QU ON Water Inlet Water Inlet Water Outlet Water Outlet e e o i gt DET 1650 Ground bolt 4 M10 1028 1028 2265 2200 6 INSTALLATION CLEARANCE DATA Room for unit assembly shall be open with free ventilation and without short circuit of air flow Specific assembly sizes are shown in the graph with unit of mm Y gt 3000 Air Outlet Air Outlet Air Outlet Air Outlet S z Air Inlet Air Inlet i Air Inlet Air Inlet Air Inlet Water Inlet DN50 g S V water Outlet DN50 2155 155 487 72 1100 E 1100 1100 Rubber cushion pad shall be attached under the unit base which shall be fixed on the foundation with bolts 4x1100 4400 Mounting Dimension Diagram Attention Don t put rotory cooler and heat pump in the same system for consideration of safety and reliability of the unit INSTALLATION 18 Fan Coil FUN NZ 61 gt gt a
10. Power Input Heating kW 24 1 26 7 48 1 53 3 Power Supplv 380 415V 3Ph 50Hz Running Control Microcomputer control operating status display and abnormal status alarm High low pressure protection discharge temp protection Safeties motor overload protection anti freeze water flow protection phase sequence protection compressor overload protection Compressor Type Hermetic Scroll Refrigerant Type R410a m h 10 8 12 3 21 5 24 6 Water Flow volume GPM 47 6 54 2 94 7 108 3 Pressure Drop kPa 30 35 30 35 Cooler Heat Exchanger High efficient shell and tube heat exchanger Max Pressure MPa 1 Water In Out Pipe in DN 50 Flange Specification Heat Exchanger High efficient fin tube type heat exchanger Condenser Total fan motor power kW 0 7x3 0 7x3 0 7x6 0 7x6 Width mm 1100 1100 2200 2200 Outline Dimension Depth mm 2265 2265 2265 2265 Height mm 2214 2214 2214 2214 Cooling Only 900 1000 1780 1980 Net Weights kg Heat Pump 950 1050 1880 2080 Notes a Nominal capacities are based on the follow conditions Water side Air side Item Nominal Operating Condition Nominal Operating Condition Inlet water temp C Outlet water temp C Outdoor temp DB C Outdoor temp WB Cooling 12 7 35 Heating 40 45 7 6 b The operating weight of the unit is equal to 110 of its net weight 4 2 Operation Range Air Cooled Scroll Chiller Series Service Manual
11. attention to the sequence Disassembly and Assembly of evaporator Remark Before disassembly cut off the power and reclaim the refrigerant Step Diagram Handling Instruction 1 Loosen the inlet and outlet port and remove the front panel 1 Discharge the water in the pipe 2 Remove the pipe connected with shell and tube 3 Remove the sheet metal on the lower part of the unit 2 Solder off the pipe connected with the heat exchanger the heat exchanger of different unit is different so it is required to record the connection in case of wrong connection 1 Warp the soldering point of the copper pipe and pipe sheet with wet cloth 2 Remove the for pipes with welding gun MAINTENANCE 40 Air Cooled Scroll Chiller Series Service Manual 3 Loosen the 4 screws on the support abutment of the shell and tube heat exchanger 1 Remove the 4 screws fixing the shell and tube 2 Remove the shell and tube 1 Mount the new shell and tube of the same model 2 Warp the soldering point of the copper pipe and pipe sheet with wet cloth Weld the pipe Note It is required to charge nitrogen when welding 3 Connect the water pipe 4 Mount the sheet metal 4 Mount the new shell and tube and connect the pipe 41 MAINTENANCE IF KKA 5 5 2 o
12. marks will be shown in error view It is required to remove the error manually When the display board is off the low pressure will not be detected In automatic anti freezing and defrosting mode after startup of the water pump the low pressure will be detected by pressing heating low pressure button When the display board is on if the low pressure is lower than heating low pressure protection value the controller will send low pressure protection signal The error can not be removed unless repaired by service man When the compressor stops running if the low pressure is lower than heating low pressure the controller will send low pressure protection signal The error can not be removed unless repaired by service man discharge high temperature protection of compressor 1 compressor 2 discharge temperature sensor System 1 system 2 If the discharge high temperature protection 2130 C start protection the resume value is 85 C of compressor 1 compressor 2 is detected the corresponding compressor will stop If both compressors stop the two fans will stop later The error LED of the display board lights and the corresponding alarm symbol will be shown in malfunction view The error must be removed manually before the unit resume normal running overcurrent of compressor overcurrent protector of compressor If the overcurrent of compressor 1 compressor 2 is detected the corresponding compressor will sto
13. really impossible to avoid space between strong and weak signals must be kept at least 150mm Control signals 220V AC capacity from chilled water pump and auxiliary electric heater will initiate AC contactors of chilled water pump and auxiliary electric heater DO NOT use such control signals from chilled water pump and auxiliary electric heater to directly drive the motor of chilled water pump or electric heater Control cables to enter into the cabinet should be left with a certain surplus capacity DO NOT just bind redundant cables into a bunch and intrude them into the cabinet i a Service Manual 9 2 Electric Wiring Design 1 Field wiring diagram only for reference 1492 a 1 1 1 52 a11 54 att Voltmeter XT3 16 XT3 12 XT3 14 o A1 a1 et AT A2 A2 A2 XT3 15 XT3 11 XT3 13 MESE lt 0 882 PUMP MAIN MODULE MODULE L11 POWER POWER Assistant Heater CODE NAME 812 Q Q11 3 PHASE BREAKER 7 9 AC CONTATCOR KM9 KM7 KM8 Q12 SINGLE PHASE BREAKER HL1 4 INDICTOR LIGHT Specification 1 Auxiliary electric heater is optional part for heat pump unit The N HL2 HL4 diagram connected shown above PUMP 2 Cooling only type unit do not have AssistantHeater KM7 KM8 HL4 2 Wiri
14. specification and appearance in this manual without notice and without incurring any obligations
15. system will eliminate the superheat protection When the superheat temperature is between the above two temperature it will not affect the superheat protection 2 2 3 Control of Auxiliary E heater If the control function of auxiliary e heater is switched on in the display board it can be controlled automatically according to the inflow water temperature It is necessary to set an interval to restart the e heater When the temperature detected by inflow water temperature sensor is lt T1 the second group of auxiliary e heaters will work When the inflow water temperature is 2T2 the second group of auxiliary e heaters will stop When the inflow water temperature is between the above two temperature the second group of auxiliary e heaters remain the original state When the temperature detected by inflow water temperature sensor is lt T1 tr0 the first group of auxiliary e heaters will work When the inflow water temperature is 2T2 tr1 the first group of auxiliary e heaters will stop When the inflow water temperature is between the above two temperature the first group of auxiliary e heaters remain the original state El Air Cooled Scroll Chiller Series Service Manual After startup of the unit the auxiliary e heater will work after all the compressor runs for a certain period and all the above condition is reached 2 2 4 Stop of the Unit subject to the stop of the compressor Stop the unit manually or via timer the compressor th
16. 0202 23 Fan Motor 1570320203 24 Magnet Coil 4300040048 25 Condenser assy 2 0112113501 26 Dry Evaporator 0105880901 27 Strainer 07210037 28 Electric expand valve fitting 4300010824 29 Electric expand valve fitting 4300010825 30 Electronic Expansion Valve 07130364 31 Lower Panel 01541123P 32 Electric Cabinet Assy 01391179 33 Terminal Board 42010247 34 AC Contactor 44010240 35 Over Current Protector 46020120 36 Phase Reverse Protector 46020054 37 Single phase Air Switch 45020203 38 AC Contactor 44010229 39 Terminal Board 420111251 40 Main Board 30220034 41 Terminal Board 42011135 42 Main Board 30222007 Air Cooled Scroll Chiller Series LI Service Manual Parts List LSQWRF80MG NaC M for EL01500350 No Name of part Part code 1 Accumulator 07422206 2 Gas liquid Separator 07421111 3 4 way Valve 43000339 4 Magnet Coil 4300040049 5 Pressure Protect Switch 4602001512 6 Pressure Protect Switch 4602001515 7 Compressor and Fittings 00208044B 8 Electrical Heater 76515211 9 Compressor Gasket 02118049 10 Sensor sub assy 39001111G 11 Pressure Protect Switch 4602001513 12 Pressure Protect Switch 4602001546 13 Pressure Protect Switch 4602001547 14 Pressure Protect Switch 460200157 15 Drainage Pipe Sub assy 05238201 16 Lower Panel 01541119P 17 Condenser Assy 1 0112113703 18 Handle 26235253 19 Streamlined Dome 26904101 20
17. 0824 4 Handle 26235253 5 Lower Panel 01541123P 6 Electronic Expansion Valve 07130364 7 Electric expand valve fitting 4300010825 8 Accumulator 07422206 9 Dry Evaporator 01058809 10 Gas liquid Separator 07421111 11 Electrical Heater 76515211 12 Sensor sub assy 39001111G 13 Compressor Gasket 02118049 14 Compressor and fittings 00208044B 15 Pressure Protect Switch 4602001515 16 Pressure Protect Switch 4602001547 17 Pressure Protect Switch 4602001513 18 Pressure Protect Switch 4602001546 19 Drainage Pipe Sub assy 05238201 20 Condenser assy 1 0112114001 21 Fan Motor 1570320201 22 Axial Flow Fan Sub Assy 10338702 23 Fan Motor 1570320202 24 Streamlined Dome 26904101 25 Fan Motor 1570320203 26 Electric Cabinet Assy 2 27 Terminal Board 42010247 28 AC Contactor 44010240 29 Over Current Protector 46020121 30 Phase Reverse Protector 46020054 31 Single phase Air Switch 45020203 32 AC Contactor 44010229 33 Terminal Board 420111251 34 Main Board e z 35 Terminal Board 42011135 36 Main Board D Note parts which are labeled 1 are only used in ELO1500360 b The parts which are labeled 2 are only used in EL01500361 JF00300262 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 486 756 8522218 Fax 486 756 8669426 E mail gree gree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product
18. 1 INSTALLATION E 251 Z 2 CC Communication Wires 52 Reeser Buiding control system Long distance Minitor PC Wired a controller 2 CN1 130 160 Electric cabinet 130 160 Electric cabinet 80 Electric cabinet 65 Electric cabinet Main Board a Main Boar ns Main Board f Boar 2 Man Board 25 Board e PC N33 CN33 N33 CN33 N33 CN33 Left Electric cabinet Right Electric Left Electric cabinet Right Electric XT1 XT2 cabinet XT1 XT2 cabinet XT1 XT2 XT1 XT2 L1L2L3 N 8 n L1L2L3N 8 9 10 2 8 9 10 L1L213 N 819 10 wi power m Connect With to next Water Flow Swith 380V 3N 50Hz 380V 3N 50H 380V 3N 50Hz 380V 3N 50Hz 2 unit until the last one jenuew 2211S senes 1 1 1019 pojoo2 JIV 9 3 Specification of Power Supply Wire and Air Switch Power cable specifications and ai
19. 20201 25 Fan Motor 1570320202 26 Fan Motor 1570320203 27 Axial Flow Fan Sub Assy 10338702 28 Streamlined Dome 26904101 29 Electric Cabinet Assy 01391186 30 Over Current Protector 46020120 31 AC Contactor 44010240 32 Terminal Board 420111251 33 Phase Reverse Protector 46020054 34 Single phase Air Switch 45020203 35 AC Contactor 44010229 36 Main Board 30220034 37 Terminal Board 42010247 38 Terminal Board 42011135 39 Main Board 30222007 Parts List LSQWF160MG NaC M for EL01500340 Air Cooled Scroll Chiller Series Service Manual No Name of part Part code 1 Condenser assy 2 0112114101 2 Electric expand valve fitting 4300010825 3 Electric expand valve fitting 4300010824 4 Handle 26235253 5 Upper Front Panel 01541146P 6 Sensor sub assy 39001111G 7 Lower Panel 01541123P 8 Accumulator 07422206 9 Strainer 07210037 10 Electronic Expansion Valve 07130364 11 Chassis Assy 01191122P 12 Dry Evaporator 01058809 13 Gas liquid Separator 07421111 14 Electrical Heater 76515211 15 Compressor Gasket 02118049 16 Pressure Protect Switch 4602001515 17 Pressure Protect Switch 4602001513 18 Compressor and Fittings 00201121 19 Pressure Protect Switch 4602001547 20 Pressure Protect Switch 4602001546 21 Drainage Pipe Sub assy 05238201 22 Condenser assy 1 0112114001 23 Electric Cabinet Assy 01391205 24 Fan Motor 1570320201 25
20. Fan Motor 1570320202 26 Fan Motor 1570320203 27 Axial Flow Fan Sub Assy 10338702 28 Streamlined Dome 26904101 29 Electric Cabinet Assy 01391204 30 Over Current Protector 46020121 31 AC Contactor 44010240 32 Terminal Board 420111251 33 Phase Reverse Protector 46020054 34 Single phase Air Switch 45020203 35 AC Contactor 44010229 36 Main Board 30220034 37 Terminal Board 42010247 38 Terminal Board 42011135 39 Main Board 30222007 Service Manual 3 Model LSQWRF65MG NaC M LSQWRF80MG NaC M MAINTENANCE 48 Parts List LSQWRF65MG NaC M for ELO1500310 Air Cooled Scroll Chiller Series Service Manual No Name of part Part code 1 Accumulator 07422206 2 Gas liquid Separator 07421111 3 4 way Valve 43000339 4 Magnet Coil 4300040049 5 Pressure Protect Switch 4602001512 6 Pressure Protect Switch 4602001515 7 Compressor and Fittings 00201121 8 Electrical Heater 76515211 9 Compressor Gasket 02118049 10 Sensor sub assy 39001111G 11 Pressure Protect Switch 4602001513 12 Pressure Protect Switch 4602001546 13 Pressure Protect Switch 4602001547 14 Pressure Protect Switch 460200157 15 Drainage Pipe Sub assy 05238201 16 Lower Panel 01541119P 17 Condenser Assy 1 0112113601 18 Handle 26235253 19 Streamlined Dome 26904101 20 Axial Flow Fan Sub Assy 10338702 21 Fan Motor 1570320201 22 Fan Motor 157032
21. Protect Switch 4602001547 14 Pressure Protect Switch 460200157 15 Drainage Pipe Sub assy 05238201 16 Lower Panel 01541119P 17 Condenser Assy 1 0112113601 18 Handle 26235253 19 Streamlined Dome 26904101 20 Axial Flow Fan Sub Assy 10338702 21 Fan Motor 1570320201 22 Fan Motor 1570320202 23 Fan Motor 1570320203 24 Magnet Coil 4300040048 25 Condenser assy 2 0112113501 26 Dry Evaporator 0105885201 27 Strainer 07210037 28 Electric expand valve fitting 4300010824 29 Electric expand valve fitting 4300010825 30 Electronic Expansion Valve 07130364 31 Lower Panel 01541123P 32 Electric Cabinet Assy 01391357 33 Terminal Board 42010247 34 AC Contactor 44010240 35 Overcurrent Circuit Breaker 4602802208 36 Over Current Protector 46020120 37 Phase Reverse Protector 46020054 38 Single phase Air Switch 45020203 39 AC Contactor 44010229 40 Terminal Board 420111251 41 Main Board 30220034 42 Terminal Board 42011135 43 Overcurrent Circuit Breaker 46028022 Parts List LSQWRF80MG NaC M for EL01500351 Air Cooled Scroll Chiller Series Service Manual No Name of part Part code 1 Accumulator 07428818 2 Gas liquid Separator 07428819 3 4 way Valve 43000339 4 Magnet Coil 4300040049 5 Pressure Protect Switch 4602001512 6 Pressure Protect Switch 4602001515 7 Compressor and Fittings 00208044B 8 Electrical Heater 76515211 9 Comp
22. RI 2 GND T CN25 25 CN25 kl e a a ONIS i211 CN15 005 C 2 CN33 2 CN33 CN33 4e Ut a 911 4 1 f 1 3 PI FI 54 3 1 N43 CI Cl l 45 8182838 jie sel H l Ek 1 lanati DI ng E l RI p p LPL XT2 Con al AP2 1 2 l lor l 1 7 1 The diagram is only for reference and the circuit diagram attached on the unit prevails aa e Service Manual LSQWF80MG NaC M EL01500361 CEMI YEG 4 4 i XT2 The Modules are connected E as follow TROLL MODI 5 FUL Fuel ODE CN25 ODE CN25 CODE CN25 B CNIS TREAD CN15 HOGG CN15 L CN33 CN33 ee rmi l BI i RTORTIO RI TA y y PAIN 41 35 t 3 5 TALE Eo j 8 i3t T3 T 2 A Al ALL l Al 1 j M mA kud E kvel L1 LI CODE CODE t pn vt DMP 1 R P j l l T xm Kh R k Kh 6 a i l N HICH TS p i k ki The diagram is only for reference and the circuit diagram attached on the unit prevails 25 INSTALLATION Air Cooled Scroll Chiller Ser
23. TISOUBDEECTABEE i pie A OR d co 29 2 FLOW CHART OF FROUBLESFOOTING et pese iii dew 30 3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 34 4 EXPLODED VIEWS AND PART LIST ii seii odei L tet 42 Air Cooled Scroll Chiller Series Service Manual PRODUCT 1 PRODUCT Air Cooled Scroll Chiller Series Service Manual PRODUCT 1 MODELS LIST Capacity a Model Name kW Ton dus Ref Appearance Cooling Heating EL01500310 LSQWRF65MG NaC M ELO1500311 62 5 17 8 70 19 9 LSQWF65MG NaC M EL01500320 62 5 17 8 EL01500350 LSQWRF80MG NaC M ELO1500351 71 5 20 3 80 22 7 Co 8 LsQwF80MG NaC M FL01900360 5 20 3 ELO1500361 a R410A Na LSQWRF130MG NaC M EL01500290 125 35 5 140 39 8 T T N LSQWF130MG NaC M EL01500300 125 35 5 LSQWRF160MG NaC M EL01500330 143 40 7 160 45 5 LSQWF160MG NaC M EL01500340 143 40 7 2 NOMENCLATURE LS QW R F 65 M G Na C M 1 2 3 4 5 6 7 8 9 10 NO Description Options 1 Water Chiller 2 Scroll Compressor Default Cooling only 3 Heat Pump R Heat pump 4 Air Cooled MC Na Series 65 62 5kW 17 8 TR 5 Nominal Cooling Capacity 80 71 5kW 20 3 TR 130 125kW 35 5 TR 160 143kW 40 7 TR 6 Module 7 Product number 8 Refrigerant Na R410A 9 Series number 10 Volta
24. ace pressure normally closed switch or rewire the wiring is loose Fined heat is dirty or aging Yes during cooling or Clean heat exchanger shell tube seriously scales during heating No Yes Filter blocks Replace filter No Improper design of waterway pipeline Yes and low flow Adjust waterway pipeline volume upon stop of terminal No There is air in the system usually Yes Evacuate or vacuum happens after repair pumping if necessar of unit No 2 Check if it happens Y Morn alarm frequently If necessary replace mainboard No Contact with supplier MAINTENANCE 30 e Service Manual 2 Low Pressure Protection E3 Low pressure protection i Yes Reverse of cooling Adjust operation mode and heating The fan stops running or reverses during heating or the water Yes pump is not open or heck fan or water pump with poor flow volume during cooling p Expansion valve is Yes not open capillary Replace expansion ruptures or leaks valve capillary No Pressure switch is broken shall be Yes Replace pressure normally closed or switch or rewire the wiring is loose Fined heat exchanger is dirty or aging Yes during heating or Clean heat exchanger shell tube seriously scales during cooling No Filter blocks Jas Replace filter No Improper des
25. ary technologies related to GREE Module Unit On the other hand products by other manufacturers which only allow a fixed unit as the master module are subject to the fact that the whole system would fail to work if the master module is out of order thus it is inconvenient to debug and maintain Super compatibility units in same model can be combined and units in different models can also be combined A maximum of 16 modules can be combined for each system Totally enclosed scroll compressor compared with other type compressors on the same level of cooling capacity this compressor has many advantages such as having less quantity of moving parts smaller moment of rotation less noise and vibration and higher reliability and efficiency Super protection the advanced microcomputer control system is fully featured in safety and protection and has a powerful fault self diagnosis function High reliability famous and high quality branded cooling fitting is adopted and meticulous design and elaborate fabrication in coordination with the multi cooling system design are realized all of which have improved operating reliability effectively Low noise low operating noise and less vibration make the unit suitable for a wide variety of works Low maintenance cost the special structure of the unit makes maintenance very convenient and maintenance cost very low Gapless modularized combination the unique X shape structure design e
26. ater During defrosting the fan and the four way valve will stop at the same time When eliminating the defrosting function the fan and the four way valve run at the same time There are three fans the number of which can be decided according to the ambient temperature and throttle temperature in cooling mode In other situation all of the three fans will run 2 6 Control of Four way Valve In cooling mode the four way valve is off In heating mode the four way valve will run after the corresponding compressor runs In defrosting mode the four way valve will be off When eliminating the defrosting function the four way valve runs When stop the unit the four way valve will stop after the corresponding compressor stops 2 7 Control of Water Pump When any of the modules needs to be started up all the water pumps will run When one module stops upon reaching certain temperature spots all the water pumps remain running When one module is stopped manually or via timer or due to malfunction the water pump of this module remains running Only when all the modules are stopped manually or via timer the water pump will stop 5 min after all the compressor stops 2 8 Control of the Electric Expansion Valve After initial energizing of the controller the electric expansion valve is initialized and reaches initial steps The command of starting up the compressor is available after the initialization of the electric expansion valve If there is starting
27. ding jumper cap Serial No of jumper cap Sketch map of jumper cap LSQWRF65MG NaC M No 14 jumper cap 4202300114 114 D LSQWRF80MG NaC M No 14 jumper cap 4202300114 q 14 D LSQWRF130MG NaC M No 14 jumper cap 4202300114 14 D Tm LSQWRF160MG NaC M No 14 jumper cap 4202300114 14 D ATL LSQWF65MG NaC M No 10 jumper cap 4202300110 q 10 D LSQWF80MG NaC M No 10 jumper cap 4202300110 10 D LSQWF130MG NaC M No 10 jumper cap 4202300110 10 TAL M LSQWF160MG NaC M No 10 jumper cap 4202300110 10 Service Manual INSTALLATION INSTALLATION 16 22465 El Service Manual INSTALLATION 1 BEFORE INSTALLATION After delivery of unit to specified address users shall organize personnel to open the case for acceptance and check 1 Check the completeness of enclosed document and accessories according to the content of list 2 Check the type and specifications of the unit according to the enclosed document 3 Check the unit for damages or components 4 Check the leak of refrigerant filled in the unit Should there be any damage or questions please state the situations to the local office of our company so that the problems shall be solved 2 INSTALLATION SITE 1 Assembly base must be located in enough ventilation space and the load of the assembly base should be taken into account 2 Leave room for unit assembly operation and maintenance 3 Ensure there is not ver
28. e auxiliary e heater and the fan stops in sequence EXV is maximum and then adjusted to the initial steps After certain setting time the four way valve will be de energized and the water pump will stop Stop the unit upon reaching the temperature spots the compressor stops and then the fan stops EXV is maximum and then adjusted to the initial steps The four way valve will remain the original state and the water pump will not stop Disorderly closedown the compressor stops and then the fan stops unless the fan is wrong After the corresponding compressor stops for a period EXV is maximum and then adjusted to the initial steps The water pump will not stop while the four way valve will remain the original state 2 3 Anti freezing Running Under the stop state of any mode except manual defrosting mode the automatic anti freezing function can be switched on via the display board The defaulted setting of this function is OFF For all the modules that reach automatic anti freezing running condition the compressor will run according to the setting condition and the regulation of run for 6min and stop for 4 min 2 4 Control of Compressor All compressors run according to the principle of first start first stop first stop first start For other information refer to the control section of 2 1 and 2 2 2 5 Control of fan When starting up the unit the fan will run before the compressor After both compressors stop the fan will stop l
29. en welding 3 Mount the new filter MAINTENANCE 38 Air Cooled Scroll Chiller Series Service Manual Disassembly and Assembly of Condenser Remark Before disassembly cut off the power and reclaim the refrigerant Step Diagram Handling Instruction 1 Remove the front panel as shown on the right diagram The replacement of front condenser is the example front panel 1 Completely reclaim the refrigerant 2 Cut off the power 3 Remove the fan subassembly Cut off the power of the fan and remove the outer sheet metal of the condenser 2 weld the inlet and outlet pipe of the condenser Pay attention to the direction of the flame in case of burning the fin and the sheet metal of the condenser 1 Solder off the connecting pipe of the condenser according to the left diagram 3 Remove the pipe clamp fixing separator and weld the two lower pipes of the condenser 1 Remove the steady rest 2 Solder off the conntecting pipe of the condenser according to the left diagram 39 MAINTENANCE Air Cooled Scroll Chiller Series Service Manual 4 Mount the new condenser the fan and the sheet metal d NS front panel 1 Mount the new condenser according to the steps of disassembly 2 Weld the connecting pipe Note It is required to charge nitrogen when welding 3 When reconnect the power cord of the fan motor pay
30. ge M 380 415V 3Ph 50Hz PRODUCT 2 El Air Cooled Scroll Chiller Series Service Manual 3 FUNCTION The units with multi refrigerant circuits from 62 5 to 143 kW have outstanding benefits that make this product effective for a variety of applications The units are shipped from the factory completely ready for installation and use Each unit is pressure tested evacuated and fully charged with R410A and has an initial oil charge After assembly a complete operation test is performed with water flowing through the cooler to assure that the refrigeration circuit operates correctly The units can be installed on the rooftop ground outside and so on instead of being equipped within a special machine room It can be widely applied in new built or reconstructed industry and civil building project such as hotel apartment restaurant office building shopping mall theater gymnasium hospital and so on as well as supplies required cooling water for factories in technical process of producing so it s especially suitable for some special locations where there are high level requirements for noise and environments and where cooling tower are difficult to be installed Any module as master module design By conveniently plugging a manual operator into any one of units in linkage such unit can operate as a master module to communicate with other units and coordinate the whole system to work in a specified way This is one of propriet
31. h Shell And Tube Heat Exchanger Water Outlet Temp sensori Water Inlet Temp sensor 5 PRODUCT Service Manual 5 2 Heat Pump Heat Exchanger with Axial Flow Fan Defrost Temp sensor Defrost Temp sensor Filter Defrost Temp sensor High Pressure Switch High Pressure Switch Electronic Expansion Valve pk ii Filter T Filter Exhaust Temp sensors 4 way Vavle 3 Exhaust Temp sensor Compressor 4 CNN CARN c Compressor 604 Se Electronic Expansion Valve Suction Temp 2 U L gt gt Suction Temp sensor Low Pressure Switch Low Pressure Switch Shell And Tube Heat Exchanger Water Outlet Temp sensor amp L Water Inlet Temp sensor PRODUCT 6 Air Cooled Scroll Chiller Series Service Manual CONTROL CONTROL Air Cooled Scroll Chiller Series si Service Manual CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Operation Power on All the expanding valves
32. ies Service Manual LSQWRF130MG NaC M EL01500290 LSQWF130MG NaC M EL01500300 LSQWRF160MG NaC M EL01500330 LSQWF160MG NaC M EL01500340 EF 0 R TERM i BN A L 1 IM E The Modules are connected 96 as follow m ODULE 1 CONTROLLE RI Fuel D CN25 DE CN25 DE CN25 i E tirs CNIS TAJN 97 NIS ki 222 N33 N33 JENS onm i 1 3 EM o xl 9 10 d A IA arses itl 1 j PTS 54 4 a N4 UI 1 6 d ind Xia 2 t DE ng p LPH l d XT i HPel AP2 A LPel l t LP l 1 1 1 11 The diagram is only for reference the circuit diagram attached on the unit prevails INSTALLATION 26 aa E Service Manual LSQWRF65MG NaC M EL01500311 LSQWRF80MG NaC M EL01500351 E JE Ap l l A 1101 TROL OLLEN l CN25 Panel 25 CN25 a CN15 Dano 77477110415 1 OP CN15 4 CN33 2 CN33 1 7 CN33 1 Jul T RTIARTIS RMS RISRT 2 14 pum AT z N Ch A 8 4 3 T2 AE 15 00 7 2 Ae 2 e KVI UI le exp
33. ign o waterway pipeline Yes and low flow Adjust waterway pipeline volume upon stop of terminal No Leakage of Add refrigerant after refrigerant leakage detection and compensation No Misdeclaring alarm Yes of controller Check if it happens frequently If necessary replace mainboard No Contact with supplier 31 MAINTENANCE Service Manual 3 Overload Protection E5 Overload protection of compressor Yes Break of compressor Yes Replace protecting module protecting module No Contact with supplier 4 Discharge High Temperature Protection E4 Discharge high temp protection je Add refrigerant after leakage detection and compensation Leakage of refrigerant ef SCC EN Yes Replace expansion not open capillary i ruptures or leaks valve capillary 5 Filter blocks Replace filter we Misuse discharge temp Yes Adjust discharge sensor easy to happen temp sensor after repair of unit No Y ramen replace mainboard No Contact with supplier MAINTENANCE 32 i a Service Manual 5 Water Flow Switch Protection EC Water flow switch protection Yes Water pump is EC the water nro not open
34. ill start while the compressor of this module will stop When the anti freezing temperature is higher than the required value for resume this system will eliminate the anti freezing protection When the anti freezing temperature is between the above two temperature it will not affect the anti freezing protection If the unit is low temperature unit the anti freezing protection is invalid 2 1 3 Stop of the Unit Stop the unit manually or via timer the compressor stops and then the fan stops EXV is maximum and then adjusted to the initial steps After certain control time the water pump will stop Stop the unit upon reaching a temperature spots the compressor stops and then the fan stops on condition that both compressor stops EXV is maximum and then adjusted to the initial steps The water pump will not stop Disorderly closedown the compressor stops and then the fan stops except the malfunction of the fan After the corresponding compressor stops for a period EXV is maximum and then adjusted to the initial steps The water pump will not stop 2 2 Heating Mode 2 2 1 Control of Compressor The control principle is the same with that of cooling mode 2 2 2 Superheat Protection For each module when the superheat temperature is higher than the required value for protection the superheat protection will start while the compressor of this module will stop When the superheat temperature is lower than the required value for resume this
35. lanati j NAME er unre Boar eere fan POSITION DI F eranl l kh r ER pese li i E ter DIAGRAM 4 The diagram is only for reference and the circuit diagram attached the unit prevails 27 INSTALLATION Service Manual MAINTENANCE MAINTENANCE 28 MAINTENANCE 1 TROUBLE TABLE El Air Cooled Scroll Chiller Series Service Manual Name of Error Source of Error Signal Description high pressure of compressor 1 compressor 2 high pressure Switch of system 1 system 2 If the high pressure switch of compressor 1 compressor 2 disconnects the corresponding compressor will stop If both compressors stop the two fans will stop later The error LED of the display board lights and the corresponding alarm mark will be shown in malfunction view The error must be removed manually before the unit resume normal running low pressure of compressor 1 compressor 2 low pressure switch of System 1 system 2 If the low pressure switch of compressor 1 compressor 2 disconnects the corresponding compressor will stop If both compressors stop the two fans will stop later The error can be removed automatically for 5 times while it can not resume automatically for the 6th time If it is detected for 3 times in one hour it can not resume automatically The corresponding
36. lay board lights and the corresponding alarm symbol will be shown in malfunction view Water flow Switch protection mainboard contact When a module detects that the water flow switch is closed in normal state when the water pump is running the water flow switch is open for 10s the compressor of this module will stop and the fan will stop 30s later The four way valve remains the original state The expansion valve keeps the initial steps When water flow switch protection occurs for all the modules the water pump will stop after the compressor stops for 10s communication error mainboard When the information of the display board is not received for 30s this module will stop automatically For the module with communication error its water pump will stop 5 min after the compressor stops Service Manual 2 FLOW CHART OF TROUBLESHOOTING 1 High Pressure Protection E1 High pressure protection ja Yes hod a geoling Adjust operation mode and heating The fan stops running or reverses during cooling or the water Yes pump is not open or with poor flow volume during heating i 9 fen D 9 5 g E 3 Expansion valve is Yes EINE not open capillary eun PUR ruptures or leaks Pressure switch is Yes broken shall be Repl
37. m Handling Instruction 1 Before removing the four way valve record its installation direction 2 Remove the wire 3 Warp the four way valve with wet cloth for future analysis 4 Soder off the four way valve 1 Before welding it is required to record its direction The unit with dual system can not refer to the other system Clean the 1 The model of the new four way valve should be the same as that of the original one If it is not clear it should be confirmed by technician 2 Warp the four way valve with wet cloth 3 connect the four way valve with the four pipe according to the original direction 4 Weld the pipes 5 It is required to charge nitrogen when welding 2 Clean the system The model of the new four way valve should be the same as that of the original one The piping should also be the same 1 Ensure that the vacuum degree should each 1 0bar as the unit needs to be repaired the vaccum time should be longer 2 Name and quality of the refrigerant should comply with the requirement on the nameplate 3 Vacuumize the system and recharge the refrigerant MAINTENANCE 36 Air Cooled Scroll Chiller Series Service Manual Disassembly and Assembly of electronic expansion valve Remark Before disassembly cut off the power and reclaim the refrigerant Step Diagram Handling Instruction 1 Reclaim the refrigerant electric expansi
38. n Factor 0 998 0 993 0 987 0 980 0 973 Water Flow Correction Factor 1 036 1 060 1 092 1 132 1 182 Pressure Drop Correction Factor 1 07 1 10 1 18 1 24 1 30 9 ELECTRIC WIRING WORK 9 1 Wiring Principle 1 General principles Wires equipment and connectors supplied for use on the site must be in compliance with provisions of regulations and engineering requirements Only electricians holding qualification are allowed to perform wire connection on the site Before connection work is started the power supply must be shut off Installer shall be responsible for any damage due to incorrect connection of the external circuit of the unit Caution MUST use copper wires 2 Connection of power cable to the electric cabinet of the unit Power cables should be laid out through cabling trough conduit tube or cable channel Power cables to be connected into the electric cabinet must be protected with rubber or plastic to prevent scratch by edge of metal plate Power cables close to the electric cabinet of the unit must be fixed reliably to make the power terminal in the cabinet free from an external force Power cable must be grounded reliably 3 Connection of control cables Sectional area of control cables is at least 1mm Signals from water flow switches are weak current so control cables should not be laid out side by side along with cables carrying 50V or higher voltage If such arrangement is
39. ng for External Control Users 8 9111 12 13 14 15 16 Output Control User Pump Contactor 220V live wire Output Control Zero Line Output Control Electric Heater 2 Contactor 220V live wire Output Control Zero Line Output Control Electric Heater 1 Contactor 220V live wire Output Control Zero Line Feedback from the Water Flow Switch passive contact which keeps closed at normal conditions Remarks 1 Auxiliary electric heater 1 and 2 and AC contactor output control line of user s pump can be connected to 11 12 13 14 15 and 16 of the terminal of any module 2 The water flow swtich is allowed to be wired to terminal 2 8 and 9 on the terminal block of any module 3 Connection of Modules a Use the 4 core communication wires to connect each module between CN33 CN25 Use a 3 core 2 1 signal wires to connect the terminal 9 10 between each modules Refer to the diagram shown above b Use a 3 core 2x 1mm signal wires to connect the Water Flow Switch with the terminal 8 9 in one of the units c Use a 4 4 25 95mm wires to connect each module terminal XT1 L1 L2 L3 N together Refer to the diagram shown above d 130 160means LSQW R F130MG NaC M LSQW R F160MG NaC M two modules in each one 80 means LSQW R F80MG NaC M One module in each one 65 means LSQW R F65MG NaC M One module in each one 2
40. nsures a real gapless modularized combination of units and is convenient for maintenance and repair and also significantly saves installation space Silent mode according to user s requirement the unit can automatically convert to the silent operating mode not only saving energy but also creating a comfortable and silent living environment Equalization technique for compressor operation the unique technique applied to balanced operation among compressors ensures each compressor in a system will take turns to run thereby greatly prolonging the lifetime of compressor Humanized operating design through programmable setting when the unit is working at ambient temperature that exceeds the allowable design range a humanized friendly prompt will appear on the display screen Air Cooled Scroll Chiller Series Service Manual 4 PRODUCT DATA 4 1 Product Data at Rated Condition LSQWF__MG NaC M Cooling Only 65 80 130 160 Product Code EL01500320 01500360 EL01500300 101500340 EL01500361 Models LSQWRF MG NaC M Heat Pump 65 80 130 160 EL01500310 EL01500350 Product Code 101500911 ELO1500351 EL01500290 EL01500330 kW 62 5 71 5 125 143 Cooling TR 17 8 20 3 35 5 40 7 Nominal Capacitv kW 70 80 140 160 Heating TR 19 9 22 7 39 8 45 5 Cooling kW 24 8 26 7 49 6 53 4
41. on valve gt Fay eT jse 1 Cut off the power 2 Reclaim the refrigerant valve 2 Remove the expansion 1 Remove the wire from the valve 2 Record the installation direction of the eletric expansion valve 3 Warp the expansion valve and the filter with wet cloth for the sake of their integrality 4 Solder off the expansion valve valve 3 Mount the new expansion lt 1 Mount the new expansion valve of the same model 2 Warp the expansion valve with wet clith Mount it and connect the pipe 3 Weld it with the welding gun 4 After the pipe cools install the wire Note It is required to charge nitrogen when welding 37 MAINTENANCE Service Manual Disassembly and Assembly of filter Remark Before disassembly cut off the power and reclaim the refrigerant Step Diagram Handling Instruction 1 Cut off the power 1 Reclaim the refrigerant 2 Reclaim the refrigerant 1 Record the installation direction of the filter before removing it 2 Warp the expansion valve and the filter with wet cloth for the sake of their integrality 3 Solder off the filter 2 Remove the filer 1 Mount the new filter of the same model 2 Warp the new filter with wet cloth Install it and connect the pipe 3 Weld it with the welding gun Note It is required to charge nitrogen wh
42. p If both compressors stop the two fans will stop later The error LED of the display board lights and the corresponding alarm symbol will be shown in malfunction view The error must be removed manually before the unit resume normal running temperature sensor protection temperature sensor The successive detecting time if it is detected that the abnormality lasts for 5s it is error if itis detected that the normality lasts for 3s it is normal When the inflow water temperature sensor is wrong all the compressor of this module will stop immediately When the suction temperature sensor 1 2 is wrong the corresponding compressor will stop If both compressors stop the fan will stop 30s later As the outflow water temperature sensor is not related to the logic control when there is error the compressor will not stop but the malfunction is displayed on the display board When the anti freezing temperature sensor and ambient temperature sensor is wrong the compressor of this module will stop immediately and the fan will stop 30s later If the defrosting sensor 1 2 is wrong the corresponding compressor will stop during heating mode and cooling mode If there is signal of temperature sensor malfunction and it resume to normal automatically the error mark will be removed automatically But if it occurs 3 times in one hour or it can not resume to normal automatically it is necessary to remove it manually The error LED of the disp
43. r 44010240 35 Terminal Board 420111251 36 Phase Reverse Protector 46020054 37 Single phase Air Switch 45020203 38 AC Contactor 44010229 39 Main Board 30220034 40 Terminal Board 42010247 41 Terminal Board 42011135 42 Main Board 30222007 Air Cooled Scroll Chiller Series a Service Manual Parts List LSQWRF160MG NaC M for EL01500330 No Name of part Part code 1 Gas liquid Separator 07421111 2 Electric expand valve fitting 4300010824 3 Electric expand valve fitting 4300010825 4 Sensor sub assy 39001111G 5 Accumulator 07422206 6 Electronic Expansion Valve 07130364 7 Strainer 07210037 8 Dry Evaporator 01058809 9 Chassis Assy 01191122P 10 Pressure Protect Switch 4602001513 11 Pressure Protect Switch 460200157 12 Pressure Protect Switch 4602001515 13 Pressure Protect Switch 4602001512 14 4 way Valve 43000339 15 Electrical Heater 76515211 16 Compressor and Fittings 00208044B 17 Pressure Protect Switch 4602001547 18 Pressure Protect Switch 4602001546 19 Compressor Gasket 02118049 20 Magnet Coil 4300040049 21 Magnet Coil 4300040048 22 Drainage Pipe Sub assy 05238201 23 Condenser Assy 1 0112113701 24 Electric Cabinet Assy 01391326 25 Handle 26235253 26 Fan Motor 1570320201 27 Axial Flow Fan Sub Assy 10338702 28 Streamlined Dome 26904101 29 Fan Motor 1570320202 30 Fan Motor 1570320203 31 Condenser assy 2 0112113801
44. r switch types in the following list are recommended for selection Air Cooled Scroll Chiller Series Service Manual Air switch capacity Min sectional area Min sectional area Unit Model Power supply A of grounding cable of power cable LSQW R F65MG NaC M 380 415V 3Ph 50Hz 63 16 25 LSQW R F80MG NaC M 380 415V 3Ph 50Hz 100 25 50 LSQW R F130MG NaC M 380 415V 3Ph 50Hz 125 35 70 LSQW R F160MG NaC M 380 415V 3Ph 50Hz 180 50 95 Notes a Power cables are copper core cable and copper connectors must be used for power cable connection b If circuit breakers with leakage protection are in use action response time must be less than 0 1 second c The above selected power cable diameters are determined based on assumption of distance from the distribution cabinet to the unit less than 75m If cables are laid out in a distance of 75m to 150m diameter of power cable must be increased to a further grade 23 INSTALLATION Air Cooled Scroll Chiller Series Service Manual 9 4 WIRING DIADRAM INSTALLATION 24 LSQWRF65MG NaC M 1 01500310 LSQWF65MG NaC M 101500320 LSQWRF80MG NaC M 101500350 LSQWF80MG NaC M EL01500360 POWE T VV KMS VN B BN 27106 EVNI 1 J L 4 The Modules are connected FAN m as follow ADU
45. reset Set to cooling mode All the 4 way valve off The unit on or off The unit off Pump on Satisfying compressor 1 on Compressor 1 off No Compressor 2 was off Fanon Y Compressor 1 on Fan off Expanding valve 1 Expanding valve 1 set to the initial step Satisfying compressor 1 off System 2 running control CONTROL 8 Power on Y All the expanding valves reset Set to heating mode v Go to defrost Satisfying the condition of exiting defrosting Yes y Exit defrosting 1 2 Heating Operation including defrosting electric heating Air Cooled Scroll Chiller Series Service Manual The unit on or off The unit off Yes Satisfying defrosting condition Satisfying compressor 1 on Yes Compressor 1 on 4 way valve 1 Expanding valve 1 start to work Satisfying compressor 1 off Yes No No v Compressor 1 off Compressor 2 was off Fan off
46. ressor Gasket 02118049 10 Sensor sub assy 39001111G 11 Pressure Protect Switch 4602001513 12 Pressure Protect Switch 4602001546 13 Pressure Protect Switch 4602001547 14 Pressure Protect Switch 460200157 15 Drainage Pipe Sub assy 05238201 16 Lower Panel 01541119P 17 Condenser Assy 1 0112113703 18 Handle 26235253 19 Streamlined Dome 26904101 20 Axial Flow Fan Sub Assy 10338702 21 Fan Motor 1570320201 22 Fan Motor 1570320202 23 Fan Motor 1570320203 24 Magnet Coil 4300040048 25 Condenser assy 2 0112113803 26 Dry Evaporator 01058852 27 Strainer 07210037 28 Electric expand valve fitting 4300010824 29 Electric expand valve fitting 4300010825 30 Electronic Expansion Valve 07130364 31 Lower Panel 01541123P 32 Electric Cabinet Assy 01391237 33 Terminal Board 42010247 34 AC Contactor 44010240 35 Overcurrent Circuit Breaker 4602802208 36 Over Current Protector 46020121 37 Phase Reverse Protector 46020054 38 Single phase Air Switch 45020203 39 AC Contactor 44010229 40 Terminal Board 420111251 41 Main Board 30220034 42 Terminal Board 42011135 43 Overcurrent Circuit Breaker 46028022 Service Manual Air Cooled Scroll Chiller Series 5 Model LSQWF65MG NaC M LSQWF80MG NaC M 54 MAINTENANCE Parts List LSQWF65MG NaC M for ELO1500320 Air Cooled Scroll Chiller Series Service Manual No Name of par
47. s with module No displayed in turn on the panel as Module 1 Module 2 Module 16 All of the modules which are connected with one wired controller their toggle switches indicated the address should be different Toggle switches 1 2 3 and 4 are binary code with 1 for the lowest bit and 4 for the highest bit Comparison drawings are as follows Caution only in the condition of power supply shutoff can toggle switches be set Module 1 Module 2 Module 3 Module 4 me E S Qt ON Tis Module 5 Module 6 Module 7 Module 8 g all Phun uuu 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Module 9 Module 10 Module 11 Module 12 ON ON ON ON 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Module 13 Module 14 Module 15 Module 16 ON ON ON ON 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Note the toggle switches 1 2 of LSQW R F130MG NaC M LSQW R F160MG NaC M that indicated the address should be different but the corresponding address must be continuous 5 CONTRASTING FORM FOR JUMPER CAP AND MODELS The jumper cap on mainboard of corresponding models should be in accordance with that of following table if there is some reason need to replace the mainboard please make sure that the mainboard should be installed with the jumper cap of corresponding models Model Correspon
48. s button to move the cursor downward or rightward When modify the data press this button to decrease the value 8 EXIT button Press this button to return to last page 9 CONFIRM button Press this button to enter the next page When modify the data press this button to confirm the value and transfer the cursor CONTROL 12 Air Cooled Scroll Chiller Series m E a 0 3 3 Display View 09 08 02 15 10 1 SERIES CHILLER 2 R 6 Cool ON 3 5 Manual 3 Modules 4 Error NO Name Function description 1 Time display Display the current time 2 Unit name Unit name 3 Running state Display the current running state of the unit 4 Number of modules The number of connected unit 5 ON OFF mode ON OFF mode of the system 6 Running mode Display the current running mode 13 CONTROL Service Manual 3 4 Controller Menu Structure Run Mode m gt Water C Water Tout Run M es H Water Tin gt Auxiliary Heat gt Water Tout gt Defro
49. se of mistake 1 Remove the power cord MAINTENANCE 34 Air Cooled Scroll Chiller Series Service Manual 2 Loosen the screw of compressor the footing 1 Remove the screws of the compressor with coach wrench or box end wrench 2 Put the screws together in case of loss 3 Disconnect the compressor from the pipe 1 Solder the pipe rapidly in case of overburning 2 Do not damage the compressor for future analysis 4 Remove the compressor from the chassis and fix a new one 1 Do noe damage the rubber cushion when removing the compressor 2 Seal the removed compressor in case of entery of moisture 3 Put the new compressor on the rubber cushion Put the steel bushing on the rubber cushion 4 Tighten the screws until they reach the steel bushing 5 Connect the air inlet and outlet of the compressor to the pipe Check if the running of compressor is normal 1 Connect the air inlet and out let pipe and weld them It is requreied to charge nitrogen when welding 2 Perform leak test with high pressure nitrogen 3 Energize the unit and make the AC contactor of the compressor run for 2 3s 4 When the compressor rotates inversely there will be sharp noise 35 MAINTENANCE Service Manual Disassembly and Assembly of 4 way valve Remark Before disassembly cut off the power and reclaim the refrigerant Step Diagra
50. st T1 gt Auto Antifreeze p Defrost T2 Bd Anti fre T Timer Setup m gt Temp View Ambient T gt Clock Setup gt Suction T1 gt Suction T2 Exhaust 1 gt Backlight Exhaust 2 gt Throttle T1 gt Eco Model gt Throttle T2 Quiet Model pj Memory start EN Fan gt Fan2 gt Module 1 gt Fan3 Module 2 System Status Module View gt State View gt gt Compressor 1 gt Module 3 gt Compressor 2 EN m gt C Water pump Main Menu p Water Pump gt gt Ass Heat 1 Ass Heat 2 4 Valve 1 Module 15 gt 4 Valve 2 gt EXV 1 ij Module 16 l pl EXV 2 b Exthalpv Inc EXV 1 Error Query gt Para Setup Dis T Sensor 1 Parameter Setuu Dis T Sensor 2 System Para Water Out EXV p Water In EXV Version Manual Defrost 1 User s setup It is the basic setting that commonly used by users such as mode setting and start stop mode 2 Module view View the temperature state malfunction defrosting of the module 3 Parameter setup It can be divided into user parameter setup and system parameter setup 4 Version View the version of the wired controller CONTROL 14 El Air Cooled Scroll Chiller Series Service Manual 4 SKETCH MAP OF DIP SWITCH Four bit toggle switches are used for indicating hardware address 1 16 of module
51. t Part code 1 Condenser assy 2 0112113401 2 Strainer 07210037 3 Electric expand valve fitting 4300010824 4 Handle 26235253 5 Lower Panel 01541123P 6 Electronic Expansion Valve 07130364 7 Electric expand valve fitting 4300010825 8 Accumulator 07422206 9 Dry Evaporator 0105880901 10 Gas liquid Separator 07421111 11 Electrical Heater 76515211 12 Sensor sub assy 39001111G 13 Compressor Gasket 02118049 14 Compressor and fittings 00201121 15 Pressure Protect Switch 4602001515 16 Pressure Protect Switch 4602001547 17 Pressure Protect Switch 4602001513 18 Pressure Protect Switch 4602001546 19 Drainage Pipe Sub assy 05238201 20 Condenser assy 1 0112113301 21 Fan Motor 1570320201 22 Axial Flow Fan Sub Assy 10338702 23 Fan Motor 1570320202 24 Streamlined Dome 26904101 25 Fan Motor 1570320203 26 Electric Cabinet Assy 01391201 27 Terminal Board 42010247 28 AC Contactor 44010240 29 Over Current Protector 46020120 30 Phase Reverse Protector 46020054 31 Single phase Air Switch 45020203 32 AC Contactor 44010229 33 Terminal Board 420111251 34 Main Board 30220034 35 Terminal Board 42011135 36 Main Board 30222007 Air Cooled Scroll Chiller Series Parts List LSQWF80MG NaC M for EL01500360 EL01500361 Service Manual No Name of part Part code 1 Condenser assy 2 0112113401 2 Strainer 07210037 3 Electric expand valve fitting 430001
52. tical obstruction on top of the unit 4 Ensure the drain is pre reversed 3 CAUTION FOR INSTALLATION 1 Ensure the connection pipe and power line assembled correctly 2 To ensure noise and vibration satisfy the running request there should be rubber cushion and rubber connection pipe adopted 3 Assembly base of the unit must be cement or steel structure which can bear the operation weight of the machine and has level surface 4 Assembly location shall be free from fire flammable matters corrosive gas or waste gas Ventilation space shall be pre reserved Please take measures to reduce noise and vibration as much as possible 4 MACHINE FOOTPRINT Every cell unit should adopt rubber cushion place on either the floor of outdoor or the flat of roof secondly fix it on with bolt Either or abreast assembly on two high intensity parallel trough girder or girder with plane operation side and fix it on with ground bolt 5 DIMENSION DATA 1 Graph for the shape and size for LSQW R F65MG NaC M LSQW R F80MG NaC M Rubber cushion aren t shown in this view Air Outlet Perce Air Inlet Air Inlet N N N I Water Inlet Water Outlet LA Fl o o p E 1650 Ground bolt 4 M10 0 L 1028 2265 beg 1100 17 INSTALLATION Service Manual 2 Graph for the shape and size for
53. up command after energizing it can be valid after the initialization of the electric expansion valve After the compressor runs for a certain period the electric expansion valve is adjusted based on the throttle temperature suction temperature and exhaust temperature 3 WIRED REMOTE CONTROLLER 3 1 Function The display of modular air cooled scroll chiller C series shows the running parameter in real time It can be connected with the remote control system Air Cooled Scroll Chiller Series Service Manual 3 2 Operation View 09 08 02 15 10 SERIES CHILLER R ai Cool ON Manual 3 Modules 3 O Error 4 5 6 7 8 9 NO Name Function description 1 Power LED red When the display board is energized this LED lights otherwise it is dark 2 Running LED green When the display board is turned on this LED lights otherwise it is dark 3 Error LED red When there is malfunction this LED lights otherwise it is dark 4 ON OFF button Control the piar or stop of the unit Under stop state press the for 3s to start up the unit Under running state press the button for 3s to stop the unit 5 RESTORE button Press this button to remove error and lock of exhaust temperature sensor Press this button to move the cursor upward or leftward When modify the data press this 6 UP button button to increase the value 7 DOWN button Press thi

AIR COOLED SCROLL CHILLER C SERIES SERVICE MANUAL

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