Gree LSQWRF130M/NaD-M Page 21 Service Manual Download | Manualshive

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D Series Modular Air-cooled Scroll Chillers

Service Manual

5 MACHINE FOOTPRINT

A minimum spacing of 1m should be left between any two modules for unobstructed air intake and

equipment service. Additionally, a minimum of 2m should be kept between the chiller and any barrier. If

allowable, it would be better to set up a suncover 3m ahead of the chiller.

Unit:mm

ТОО "Everest climate" г. Алматы, Варламова 1а, тел. +7 727 230 00 10, e-mail: [email protected], сайт: www.aircon.kz

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Summary of Contents for LSQWRF130M/NaD-M

Page 1: ...T1 R410A 50Hz GC201307 I D SERIES MODULARAIR COOLED SCROLL CHILLERS SERVICE MANUAL Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 2: ...2 INSTALLATION LOCATION 17 3 CAUTION FOR INSTALLATION 17 4 DIMENSION DATA 17 5 MACHINE FOOTPRINT 19 6 TYPICAL WATER PIPING DIAGRAM 20 7 FREEZE PROTECTION 21 8 ELECTRIC WIRING WORK 21 MAINTENANCE 28 1...

Page 3: ...1 D Series Modular Air cooled Scroll Chillers Service Manual PRODUCT QSPEVDU Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 4: ...30 145 41 23 170 48 34 Note 1Ton 12000Btu h 3 517kW 2 NOMENCLATURE LS QW R F 130 M Na D M 1 2 3 4 5 6 7 8 9 NO Items Options 1 Product type LS chillers 2 Compressor type QW hermetic scroll compressors...

Page 5: ...SURWHFWLRQ It is equipped with the top end microcomputer control system which is capable of providing well rounded protection and self diagnosis such as high low pressure protection freeze protection...

Page 6: ...HU Type U SDQVLRQ YDSRUDWRU DWHU RZ volume m3 h 10 3 12 2 20 6 24 9 GPM 45 0 54 0 91 0 110 0 Pressure Drop kPa 15 20 30 35 ft WG 4 92 6 56 9 84 11 48 0D ZRUNLQJ Pressure MPa 1 water in outlet SLSH DQJ...

Page 7: ...59 2 5 6 37 43 15 45 59 113 Heating 40 50 104 122 2 5 6 37 43 15 24 5 75 Note when the unit is going to operate beyond the working conditions please contact Gree for consultation 4 4 Electric Data Mod...

Page 8: ...cond refrigerant and then is drawn into the compressor again The second refrigerant is then transferred to where air cooling is required 5HYHUVH 5HIULJHUDWLRQ FOH During the reverse refrigeration cycl...

Page 9: ...7 D Series Modular Air cooled Scroll Chillers Service Manual CONTROL DPOUSPM Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 10: ...Series Modular Air cooled Scroll Chillers Service Manual DPOUSPM CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Operation Energize the unit Everest climate 1 7 727 230 00 10 e mail info aircon kz www airco...

Page 11: ...9 D Series Modular Air cooled Scroll Chillers Service Manual DPOUSPM 1 2 Heating Operation Energize the unit Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 12: ...J DQG WKH HOHFWURQLF H SDQVLRQ YDOYH LQLWLDOL HV RZHYHU WKH ZD YDOYH NHHSV LWV VWDWH unchanged and the water pump keeps running 2 2 Heating Control 2 2 1 Control on the Compressor It is the same as th...

Page 13: ...point and is shut down water pumps of all modules keep running when one module is shut down manually or timely its water pump keeps running and will stop only after all modules are shut down when one...

Page 14: ...n the Homepage 1 Press Buttons NO Name Function description 1 Power indicator red the indicator is on when the Wired Controller is powered on or otherwise it is off 2 Run indicator green the indicator...

Page 15: ...t indicates the unit name 3 Running mode It indicates the running mode cooling heating or manual defrosting 4 On Off mode It indicate the on off mode manual or timing 5 Running status It indicates the...

Page 16: ...14 D Series Modular Air cooled Scroll Chillers Service Manual DPOUSPM 3 1 2 Menu Structure of Controller Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 17: ...les with module No displayed in turn on the panel as Module 1 Module 2 Module 16 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...

Page 18: ...16 D Series Modular Air cooled Scroll Chillers Service Manual INSTALLATION Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 19: ...all be performed by the skilled serviceman with enough knowledge of refrigeration and air conditioning Please read this manual carefully before instillation The unit shall be installed outdoor where t...

Page 20: ...Graph for the shape and size for LSQWRF130M NaD M Unit mm 3 Graph for the shape and size for LSQWRF160M NaD M Unit mm 403 2160 1676 2226 2026 Ground bolt 4 M12 1650 1617 Ground bolt 4 M12 339 Everest...

Page 21: ...left between any two modules for unobstructed air intake and equipment service Additionally a minimum of 2m should be kept between the chiller and any barrier If allowable it would be better to set u...

Page 22: ...20 D Series Modular Air cooled Scroll Chillers Service Manual 6 TYPICAL WATER PIPING DIAGRAM Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 23: ...fore the power supply is cut off Q GDPDJH FDXVHG E WKH LPSURSHU H WHUQDO ZLULQJ VKDOO EH DW WKH LQVWDOOHU V H SHQVH WARNING only copper conductor is allowed 1 3RZHU RUG 5RXWLQJ LQWR WKH OHFWULF R 7KH...

Page 24: ...22 D Series Modular Air cooled Scroll Chillers Service Manual 8 2 Wiring between Chiller Modules Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 25: ...ermined based on the PD LPXP SRZHU PD LPXP DPSV RI WKH XQLW c 7KH VSHFL FDWLRQV RI WKH SRZHU FDEOH OLVWHG LQ WKH WDEOH DERYH DUH DSSOLHG WR WKH FRQGXLW JXDUGHG PXOWL ZLUH copper cable like JYV copper...

Page 26: ...Air cooled Scroll Chillers Service Manual 2 LSQWRF80M NaD M The diagram is only for reference and the circuit diagram attached on the unit prevails Everest climate 1 7 727 230 00 10 e mail info airco...

Page 27: ...Air cooled Scroll Chillers Service Manual 3 LSQWRF130M NaD M The diagram is only for reference and the circuit diagram attached on the unit prevails Everest climate 1 7 727 230 00 10 e mail info airc...

Page 28: ...26 D Series Modular Air cooled Scroll Chillers Service Manual 4 LSQWRF160M NaD M Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 29: ...27 D Series Modular Air cooled Scroll Chillers Service Manual MAINTENANCE Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 30: ...I QH W WLPH Temperature sensor protection Temperature sensor When an entering water temperature sensor fails the compressor of the corresponding module will be shut down immediately while the fan will...

Page 31: ...29 D Series Modular Air cooled Scroll Chillers Service Manual 2 FLOW CHART OF TROUBLESHOOTING 1 High pressure protection Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 32: ...30 D Series Modular Air cooled Scroll Chillers Service Manual 2 Low pressure protection Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 33: ...31 D Series Modular Air cooled Scroll Chillers Service Manual 3 High discharge protection Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 34: ...32 D Series Modular Air cooled Scroll Chillers Service Manual 4 Compressor over load protection 5 Phase protection Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 35: ...33 D Series Modular Air cooled Scroll Chillers Service Manual 6 DWHU RZ VZLWFK SURWHFWLRQ 7 Temperature sensor error Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 36: ...UDQW RZ WR realize either cooling or heating Shell and tube heat H FKDQJHU In the cooling mode it is used to absorb heat and evaporate the liquid refrigerant In the heating mode it is used to release...

Page 37: ...e the panel Collect the screws in case of loss Place the panel in the right place to avoid inadvertent damage 2 Remove the power cord and drain pipe Remove the drain pipe Open the cover and remove the...

Page 38: ...sure nitrogen for leakage test Energize the unit and manually close the AC contactor of the compressor to let the compressor run for 2 3 seconds When the compressor runs reversely sharp sound will gen...

Page 39: ...analysis Unbraze the 4 way valve 2 Clean the system replace the 4 way valve and reconnect the pipeline as before Remove the 4 way valve and clean the system Replace the 4 way valve with the same model...

Page 40: ...tructions 1 Remove the panel as shown in the ULJKW JXUH panels Remove the panel as shown in the left JXUH ZLWK D VFUHZGULYHU 2 Disconnect the connection pipe of the accumulator accumulator Unbrazer th...

Page 41: ...ator Remove the accumulator 6 Purge the system by charging nitrogen Connect the accumulator with the nitrogen tank Connect the pipeline of the accumulator with the nitrogen tank and adhesive tape can...

Page 42: ...container 8 Add oil if necessary Charge oil here Charge oil to the accumulator prior to brazing 9 Reconnect the connection pipe of the accumulator and vacuum the system and then charge refrigerant ag...

Page 43: ...QW RI WKH blind plug 2 Loosen the pipeline connectors and remove the panel outside of the heat H FKDQJHU Blind plug Remove the pipeline Remove the metal sheets located underside with a screwdriver Loo...

Page 44: ...heat H FKDQJHU and connect the pipeline and then vacuum the system and lastly charge refrigerant 5HSODF WKH KHDW H FKDQJHU ZLWK WKH VDPH model Wrap the cooper pipe with wet cloth and braze the pipeli...

Page 45: ...aphic Representation nstructions 1 Remove the panel as shown in the ULJKW JXUH Remove the panel as shown in the left JXUH 2 Remove the guard cover Remove the guard cover with a wrench 3 Remove the fan...

Page 46: ...Remove the motor Remove the motor with a wrench 5 Remove the frame Frame Remove the frame 6 Reinstall the fan assembly Reinstallation sequence 1 frame 2 motor 3 fan blades 4 guard cover 5 panel Everes...

Page 47: ...r cord of the fan motor and then remove the metal sheets outside the condenser Note remember the wiring sequence of the fan motor 2 Unbraze the inlet outlet pipeline of the heat H FKDQJHU Do not damag...

Page 48: ...the fan motor OHFWRUQLF SDQVLRQ 9DOYH 1RWH FKHFN WKH UHIULJHUDWLRQ V VWHP DQG EH VXUH WKH HOHFWURQLF H SDQVLRQ YDOYH VKDOO EH UHSODFHG DQG WKHQ FXW RII WKH SRZHU VXSSO DQG recover the refrigerant Ste...

Page 49: ...rrounding item from being burnt down owing to high temperature during brazing 4 Remove the electronic H SDQVLRQ valve 5HPRYH WKH HOHFWURQLF H SDQVLRQ YDOYH 5 Place a new electronic H SDQVLRQ valve Bra...

Page 50: ...V D DOWHUQDWLYH 5HIULJHUDQW charge can be checked by measuring the suction and discharge pressure Leakage test should be performed wherever leakage occurs or some components of the refrigeration syste...

Page 51: ...ine 6WHS SHO WKH DLU LQVLGH WKH SLSHOLQH LUVWO KDOI RSHQ WKH VKXWRII YDOYH RI WKH UHIULJHUDQW WDQN DQG WKHQ ORRVHQ WKH FRQQHFWRU FRQQHFWLQJ WKH SUHVVXUH JDJH WR H SHO WKH DLU XQWLO WKH FRQQHFWRU KLVVH...

Page 52: ...50 D Series Modular Air cooled Scroll Chillers Service Manual 5 EXPLODED VIEWS AND PART LIST 1 Model LSQWRF65M NaD M Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 53: ...rical Heater 76515211 18 Pressure Protect Switch 4602001569 19 Pressure Protect Switch 4602001579 20 Compressor 00201100002 21 Pressure Protect Switch 4602001582 22 Compressor Gasket 02118049 23 OHFWU...

Page 54: ...52 D Series Modular Air cooled Scroll Chillers Service Manual 2 Model LSQWRF80M NaD M Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 55: ...r 07421111 17 Compressor Gasket 02118049 18 Electrical Heater 76515211 19 Pressure Protect Switch 4602001583 20 Pressure Protect Switch 4602001581 21 Pressure Protect Switch 4602001569 22 Strainer 072...

Page 56: ...54 D Series Modular Air cooled Scroll Chillers Service Manual 3 Model LSQWRF130M NaD M Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 57: ...0002 20 Gas liquid Separator 07424148 21 Compressor Gasket 02118049 22 Pressure Protect Switch 4602001582 23 Pressure Protect Switch 4602001579 24 Electrical Heater 76515211 25 pipe connector 06128301...

Page 58: ...56 D Series Modular Air cooled Scroll Chillers Service Manual 4 Model LSQWRF160M NaD M Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

Page 59: ...lectrical Heater 76515211 23 Pressure Protect Switch 4602001581 24 Compressor 00201100004 25 Compressor Gasket 02118049 26 Chassis Sub assy 01191100011P 27 pipe connector 06128301 28 Pressure Protect...

Page 60: ...JF00301781 Everest climate 1 7 727 230 00 10 e mail info aircon kz www aircon kz...

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