Gree LSQWRF130M/D-M Owner'S Manual Download Page 19 | Manualshive

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D Series Modular Air-cooled Scroll Chillers

14

Blind plug

NOTE

•

Keep the purge valve of the water system open in order to drain the evaporator and condenser

completely.

Diameters of Entering/Leaving Water Pipes

Diamter

(mm)

Cooling load

(kW)

DN15

0~3

DN20

3~7

DN25

5~13

DN32

10~25

DN40

15~38

DN50

29~75

DN65

46~126

DN80

84~230

DN100

167~461

DN125

314~586

DN150

523~1151

DN200

1068~2094

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Summary of Contents for LSQWRF130M/D-M

Page 1: ...nual carefully before operation and retain it for future reference If you have lost the Owner s Manual please contact the local agent or visit www gree com or send an email to global gree com cn for t...

Page 2: ...spection which may impact the normal operation of unit please do not disassemble the unit by yourself You can contact with the special maintenance center of our company if necessary 3 For personal inj...

Page 3: ...shops in light industry and on farms or for commercial use by lay persons DISPOSAL Do not dispose this product as unsorted municipal waste Collection of such waste separately for special treatment is...

Page 4: ...er Operation Instructions 16 5 4 Reset for erasing error 26 5 5 Menu Structure 27 6 Electric Control Cabinet 31 6 1 Wiring for Output Control Lines 31 6 2 Specification of Power Cord and Air Switch 31...

Page 5: ...Charging 37 7 9 Removal of the Compressor 37 7 10 Freeze Protection 38 7 11 Routine Maintenance 38 7 12 Precautions 39 8 Troubleshooting 39 8 1 Error Lists and Troubleshooting Measures 39 8 2 After s...

Page 6: ...em can work well Never block the drain hole Improper drainage system would lead to drainage difficulty and make the unit suffer from malfunctions When there is something unusual like stinky smell duri...

Page 7: ...f electrocution Do not connect the groundling line to the gas tank water line lightning rod or telephone line Only specialized accessories and parts are allowed for installation otherwise it would lea...

Page 8: ...t of used in quite long time add anti freezing agent to water or drain the water system otherwise it would make the shell and tube crack and then leak Do not use the fuse out of the normal range or re...

Page 9: ...fire hazards Besides make sure insulation of power lines always in good condition Connection between two ends of the power lines is not allowed When its length is not enough please contact the after s...

Page 10: ...ith the wired controller It overcomes the problem which would occur to the product of other manufacturer that the whole system would fail to work properly when the fixed master unit malfunctions Compa...

Page 11: ...Maximum and minimum water operating pressures y y The maximum inlet water pressure is 1 0 106 Pa y y The minimum inlet water pressure is 0 2 106 Pa 3 Operating Range Item Water Side Air Side Water Flo...

Page 12: ...3 Outline Dimension 1 Graph for the shape and dimensions for LSQWRF65M D M LSQWRF80M D M Unit mm 2 Graph for the shape and dimensions for LSQWRF65M NaD M LSQWRF80M NaD M Unit mm 1000 2160 2040 1396 2...

Page 13: ...rs 8 3 Graph for the shape and dimensions for LSQWRF130M D M Unit mm 2160 1650 1617 Ground bolt 4 M12 4 Graph for the shape and dimensions for LSQWRF130M NaD M Unit mm 2226 1676 2026 Ground bolt 4 M12...

Page 14: ...shape and dimensions for LSQWRF160M D M Unit mm 403 2160 1676 2226 1650 2026 Ground bolt 4 M12 1617 Ground bolt 4 M12 317 6 Graph for the shape and dimensions for LSQWRF160M NaD M Unit mm 403 337 1676...

Page 15: ...d tube heat exchanger before connecting the water tube and check if the water pipe is clean 6 Check if the installation and operation are within the allowable conditions When there is damager or any o...

Page 16: ...ts Distance between each single unit shall be keep 1m as a minimal 3 Enough space shall be left for service and ventilation Be sure there is at least 2m between the equipment and any barrier and it is...

Page 17: ...ken carfelly for the water system 1 Each water inlet and outlet should be labeled properly to avoid misconnection 2 A flexible connector should be used at the chilled water outlet to reduce vibration...

Page 18: ...e life of the unit make sure the water capacity is more than 1 6 of total rated flow rate per hour of each module If necessary a water tank will be installed 9 Note never use salt mixture to prevent t...

Page 19: ...water system open in order to drain the evaporator and condenser completely Diameters of Entering Leaving Water Pipes Diamter mm Cooling load kW DN15 0 3 DN20 3 7 DN25 5 13 DN32 10 25 DN40 15 38 DN50...

Page 20: ...s off 4 On Off button For controlling unit conversion between start and stop press the button for 3 seconds in stop state to start the unit and press the button for 3 seconds in operation state to sto...

Page 21: ...ton for 3 seconds and stop the unit and at that time the operation indicator is off When ambient temperature is lower than 16 and Run Mode is Heat pressing On Off button the following prompt window co...

Page 22: ...hin 10 minutes the system will automatically go back to the above default home page menu Home Page Press the Exit button on the wired controller at any time for enough times you can go back the defaul...

Page 23: ...nge a selected object and press the Exit button to cancel the model set Different models have different display modes If you is setting a mode in the startup state the following prompt will appear Set...

Page 24: ...to change value or state of a selected object Press the Exit button to quit the page and go back to the previous menu and save set values y y Sound On set Select Sound press the Confirm button and th...

Page 25: ...e and press the Confirm button to go to corresponding page A module followed with means having a failure The following menu will display after going to the module Press the Exit button to quit the pag...

Page 26: ...ress the Exit button to quit the menu page and go back to the previous menu When page 1 is present on the screen press the Reset button and the Exit button simultaneously for 3 seconds and C Water Tin...

Page 27: ...o to the pages as shown in the following drawings Sys State Cool Heat Defrost Anti fre Page 1 Page 2 Page 3 Page 4 Exthalpy Inc EXV 2 Page 5 Dis T Sensor 1 Lock Unlock Lock Unlock Dis T Sensor 2 Page...

Page 28: ...Fan1 OverLoad Pro Sys 1 Dis HighTemp C Water Flow Switch Fan3 OverLoad Pro Jumper Error Comp 2 HP Pro Comp 2 OverLoad Pro Fan2 OverLoad Pro Sys 2 Dis HighTemp H Water Flow Switch Comp 1 LP Pro Comp 2...

Page 29: ...ost and press Exit to quit the interface and go back to the previous menu When manual defrost is on and the two systems do not stop defrosting completely the following prompt will come up Do you need...

Page 30: ...is dependent on unit model If this Item is not existent for a certain model NA would be present on the display zone for corresponding Item y y System level Parameter Set User shall not use the functi...

Page 31: ...for erasing error On any interface press Reset the following page appears Clear Error Remove Dis Sensor Press Exit to go back to the previous interface and press Confirm to select function as shown in...

Page 32: ...D Series Modular Air cooled Scroll Chillers 27 5 5 Menu Structure...

Page 33: ...Water Tin Water inlet temperature checking C Water Tout Water outlet temperature checking H Water Tin Hot water inlet temperature checking H Water Tout Hot water outlet temperature checking C AVER To...

Page 34: ...T Sensor 2 Exhaust sensor 2 status checking Water_Out EXV Water out electromagnetic valve status checking Water_In EXV Water in electromagnetic valve status checking Error View Error checking Comp 1...

Page 35: ...unction LP Sensor1 Error Low voltage sensor 1 malfunction LP Sensor2 Error Low voltage sensor 2 malfunction H Water in Sensor Hot water in sensor malfunction H Water out Sensor Hot water out sensor ma...

Page 36: ...M NaD M 50 25 25 125 LSQWRF160M D M LSQWRF160M NaD M 70 35 35 160 Notes a The specifications of the breaker and power cable listed in the table above are determined based on the maximum power maximum...

Page 37: ...a rubber or plastic ring to avoid any damaged caused by the sharp edge of the metal sheet 3 The power cord close to the electric box must be attached securely to prevent the terminal block of the elec...

Page 38: ...D Series Modular Air cooled Scroll Chillers 33 6 5 Wiring betwween Chilled Modules 130 160 Electric control cabinet 130 160 Electric control cabinet...

Page 39: ...t 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 6 7 Jumpers When it is required to replace the main...

Page 40: ...properly 7 2 Requirements on Water System and Water Quality Be sure to open the water pump after the water system has been flushed times and the water quality has met the requirements and meanwhile be...

Page 41: ...ot yet been drained up Do not restart the unit when the unit has been stopped less than for 6 minutes 7 4 Routine Startup Shutdown It is recommended to start the system through the wired controller in...

Page 42: ...inutes and keeps below 100Pa charge refrigerant at the low pressure side as per the rated specification on the nameplate 4 Refrigerant charge will be affected by the ambient temperature When charged r...

Page 43: ...lity of occurrence of faults Record and keep the running status of the unit to facilitate troubleshooting for the servicemen Daily Maintenance 1 Check the circulating water pump and the flow rate 2 Ch...

Page 44: ...suction pressure Let part of refrigerant out Too low discharge pressure The suction pressure is too low Refrigerant leaks or is charged insufficiently See Too low suction pressure Take leakage test an...

Page 45: ...control circuit fails to get through There is no electric currrent High or low pressure protection acts The contact coil is blown out Power phase is wired improperly The water system malfunctions and...

Page 46: ...V Allowable range 380 415V Voltage fluctuation Allowable value 5 Interphase insulation resistance Phase ground insulation resistance Rab Rbc Rac Min allowable value Rag Rbg Rcg Min allowable value 1 1...

Page 47: ...ressure Chilled water Entering System I Leaving System Running state Troubleshooting Commissioning Flow control Final flow rate T h Entering water temp Nominal value 12 7 Unloading state System I leav...

Page 48: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com...

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