Air Cooled Scroll Chiller Service Manual （T1/R407C/50Hz）
Contents
1. IWS TB als ra L1 L2L5 _ DM a 6 1116 3 OFT 131 L1 PC L ATC 12 11 14 3 7 12 17 2 1015 8 1318 1 p 14 FU FU2 X Ne M1 X KM3 KM2 KM4 4 5 kM3 129 1130 J 832 833 ES AI e IMS X7 100 xg 101 cmm m 5 FA1EIBIFA2E E rm m2 EH1 EH2 gt gt E gt gt 9198 1090 TB3NT COMP1 CFM2 J Yo I The users should connect the part in broken line 18 HM 20 26 22 0V S0HzZ 59 60 61 66 67 70 69 71 68 72 L N 65 63 783 30 432 18440 158 2 p6 46 rg4 44 J Assisled board 64 62 1571156 155 154 155 7152 151 150 4 7 574 813 576 575 ST2 ST sae NE ipi 122 ien Ste SMH 2 di A Heating2 Cooling2 31 83 184441 439 43 87 M7 Tg4 45 107 113 110 111 1161 117 W C n 53 Di TB4435 B NE ses thee Ee Me 3 40 37 41 M2 47 48 49 50 43 44 45 58 52 51 58 2 56 55 54 55 W_S2. ee X N 5 7 5 X _ H ER 555 E c wee E LH 5 S di 2 ppp m us m 9 155 f POP LH LH LH LH o L m eee H SAA LH a 558 6 54 AIR COOLED SCROLL CHILLER MAINTENANCE Parts Last Name Thermal Expansion Valve 07130343 L 3 3 ___ Gas iquid Separator 2 _ 4 compressor and fittings 9020107 2 3 __ 1 6 pressure Protect 4460204 2 _ 7 ComwesorGeset 3 8 Hecrcheaercompreso 7659404 2 _ 9 Pressure Protect Switch 2 _ 10 43900 2 _ Pressure Protect Switch 460008 1 i12 accumulator os 2 _ 13 Oum 14 TemelbwensonVave 2 15 2 16 3900003 1 i7 4590000 18 __ 2 19 0080701 2 320 FfaMeshtndose _ 1 m 15080 1 2 35802 23 osseo 2 1 4
3. 1000mm 21000 22 INSTALLATION AIR COOLED SCROLL CHILLER 7 TYPICAL WATER PIPING DIAGRAM 19414 9529181 ptam TJ einsseJg 5 Ks 0J UO9 ko Jamod N28Y JO 2114 Fx 0 C lt EN edid 198M Spc gt lt ski J9jegu gt lt 109 1 r p lt x ES lt gt lt gt Y4 H JO s MS gt lt gt E TEE ey wey Vez Jamod y 0 1294109 X lenno gt lt T EU yue uoisuedx3 23 AIR COOLED SCROLL CHILLER INSTALLATION 8 ANTIFREEZE The units can operate with a leaving chilled fluid temperature from of 42 F to 60 F 5 C 16 C A glycol solution is required when leaving chilled fluid temperature is below 4 5 C
4. Drain the pipe Remove the pipeline connected with shell tube Remove the sheet metal at the lower side of tne unit Wrap the welding place of connection between copper pipe of shell tube and tube with wet cloth Remove the 4 pieces of pipeline with the welding gun Unscrew the 4 screws fixing the shell tube with the spanner Pull out the shell tube Replace the new shell tube with the same model Wrap the welding place of connection between copper pipe of shell tube and tube with wet cloth Weld the pipline Connect the water pipeline Install the sheet metal 42 AIR COOLED SCROLL CHILLER MAINTENANCE Removal and Inatllation of Condenser Remark Cut off power the unit and reclaim refrigerant 1 Remove front panel indicated by take replacement of arrow condenser the i front 2 Remove metal grill outside the condenser 3 Unsolder the inlet outlet tube connecting condenser Pay attention to flame direction of welding gun to avoid burnout of condenser fin and sheet metal sub assy 4 Remove the clamp fixing the joint and unsolder the two pieces of small pipe at the bottom of condenser 5 Install the new condenser and resume the fan and sheet metal Front pane pipe Reclaim the refrigerant completely Cut off power of the uni
5. epno 1 JIV TIT 7T IT 0001 lt r J a j J 2 J XJ Y JIV l 0078 ZXOOOL OTIZ OTIC 0012 0091 0091 cod dd n ae E ie gt ds 7 T E E 5 bl PS 3j an 5 T f Vo WEM Nez Ness 19 114 ITM 19 OTM 19 114 BWM PUIL JOJM 19 XO JOJMA PUI OTM e 000 N 000K jenno AN 5 Y T AS M 1 21 AIR COOLED SCROLL CHILLER INSTALLATION 5 DIMENSION DATA m Unit mm A LSQW R F80M N M 6 INSTALLATION CLEARANCE DATA 0006 a
6. Toon U MAINTENANCE 46 AIR COOLED SCROLL CHILLER MAINTENANCE LSQWF65M N M Parts List 4 Bdredonsuame ommu 1 6 Compressor Gasket 0708049 6 Electric heater compressor 4 9 1 30 Pressure Protect Switch aso20004 1 _ Thermal Expansion vave 0730986 1 _ 12 Bdresonsmame 1 _ 13 Sensor sub assy 39001108 16 Wind Grill 01378001 14 I Pressure Protect Switch 46020003 Front Panel 01538068 aw m n EEN a Electric Cabinet Assy 01391115 Thermal Overload Relay 44020356 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 53 34 47 AIR COOLED SCROLL CHILLER MAINTENANCE LSQWF80M N M Parts List 4 1 amp compressor sase 6 _ s 4 Pressure protect swin _______ 4602004 1 1 12 18 1 4 as 2 16 Wind Grill 01378001 47 Pressure protect swin 1 9 ak
7. A 16 224 Menu str cture oL Controller ioo sala 17 3 S Sketch map Ol DIPSWIGCD edic be ee ette dti efe 18 INSTALLATION 20 T BEFORE INSTALLATION 20 ZINSTEAELATION SIUDE c oett eut 20 3 CAUTIONS FOR INSTALLATION d teh e em e td e uae s 20 4 MACHINE FOOTPRIIN DP iet i ba o tote tesi e tane posti e iae 20 S 22 6 INSTALLATION CLEARANCE 22 7 TYPICAL WATER PIPING DIAGRAM eene nene eene nnns 23 SANTIEREEZE i i pte demissis ED 24 9 ELECTRIC WIRING WORK 24 WV l 24 9 2 Electric Wiring DeSIgris uuo er a ns 26 Winne D Goebel ee 28 MAINTENANCE c ox EM MEE LEM M IT 32 1 TROUBLE TABLE 2 FLOW CHART OF TROUBLESHOOTING 4 EXPLODED VIEWS AND PART LIST GREE COMMERCIAL AIR CONDITIONER AIR COOLED SCROLL CHILLER PRODUCT AIR COOLED SCROLL CHILLER PRODUCT PRODUCT 1 MODELS LIST Capacity Model Name kW Ton Appearance Cooling Heating LSQWF65M N M LSQWRF65M N M LSQWF80M N M 76 22 80 23 LSQWRF80M N M LSQWF130M N M 120 34 130 37 LSQWRF130M N M 2 NOMENCLATURE Omitted Cooling Only R Heat Pump Air Cooled DO Function Code 130 120kw Modular Development series numbe
8. lf water system 15 drained Drain the water system completely completely 37 AIR COOLED SCROLL CHILLER MAINTENANCE Removal and Installation of Compressor Remark Before removing the compressor make sure that there is no refrigerant inside the pipe system and that the power has been cut off I Remove the Use screwdriver to loosen the power cord screws fixing the power cable Pull out the power cable If compressor has e heating tape it should also be removed Note When removing the power cable please mark the power cable Mak tha color and corresponding terminal power Gord with g a thus to avoid error during comescandng during removing reinstallation 2 Remove the Screw off the screws fixing the nuts fixing the p compressor with shifting compressor c a M WoW The removed screws should be put together case of lost 3 Disconnect During welding the pipe take the pipe that Y care to finish it quickly in case connects to AA 4 _ of superburning the A iku Do not damage compresser compressor m MI in case analisis in the future 38 AIR COOLED SCROLL CHILLER 4 Remove the compressor and fix a new compressor to chassis 5 Connect the
9. connect the 2 5 between each of modules by communication line to connect the 54 35 of terminal board between each of the modules by the dual core soft lead wires provid for user themselves the method is shown as above 2 address switch of each module control system manual 3 After power is on could turn on the unit There are no YV1 YV2 auxiliary heating1 auxiliary heating2 ST5 S14 LP12 LP22 in the cooling only unit er must be set tne particular setting methods please refer to Contro Installation guide way Electric control cabinet Codes instruction Wire groove 1 Name Code Name Name CFM Condensing fan motor HTQI p Anti phase Protector 517 System 1 air out sensor KM1 i COMP Compreesor motor 1 9 ac contactor QFI hooper STE 2 air out senser 5 2 a 5 CHT 2 Compressor heating P1 1 21 LoW pressure switch 1 ST1 SW Water PER JH FA2 FR2 FAI 2 Over current protector _P12 22 Low pressure switch 2 512 SU User emergent switch TTIE FU1 2 m PC 51514 T81 183 784 HP1 2 pigh pressure V _ Thermal Relay STS ST6 Environment sensor 28 AIR COOLED SCROLL CHILLE
10. 26 __ Thermal Overload Relay _ 4 _ 27 TemimiBowd4bt 420054 1 _ 28 Thermal Overload Relay 02033 2 29 Terminal Boarata 4201041 1 _ 30 2 _ 31 SmgephaeArSwih 45003 1 _ 32 2 ___ __ Phase Reverse Protector 1 _ 34 4311040 NOT TR 55
11. N 1 IDPH dna 924 98 Passy OND CL NIIT 8 N TAL AL eL PPN UTA Od peog DN peg Ae ds tT lt m 26 AIR COOLED SCROLL CHILLER INSTALLATION 1 use the 4 cores communication wires to connect each modules between X2 X3 use 2 cores 2 signal wires to connect the terminal 34 35 between each modules Refer to the diagram shown above 2 use a 2 2xlmm2 signal wires to connect the Water flow switch with the Main module s terminal 34 35 Refer to the diagram shown above 3 use 4 4x10mm2 35mm2 wires to connect each module terminal L1 L2 L3 N together Refer to the diagram shown above 4 use 2 2xlmm2 wires to connect the pump relay with the Main module terminalTB4 12 N together Refer to the diagram shown above 5 use two 2 2xlmm2 wires to connect the accessorial heater 1 and 2 relay with the Main module terminalTB4 N 8 N 11 respectively Refer to the diagram shown above 27 AIR COOLED SCROLL CHILLER INSTALLATION 9 3 WIRING DIAGRAM LSQW R F65M N M
12. 3 m cedro condenser assy 2 3 2 _ 4 Terminal 2 25 ermal overioaa Rely 2 __ over Current protector 2 ar gi _ __ 39 ae contactor 3 single phase x Phase Reverse Protector 1 3 transformer mou 1 _ 3 2 e e je INI ejJele le le 48 AIR COOLED SCROLL CHILLER Model LSQWRF65M N M LSQWRF80M N M Exploded Views MAINTENANCE 1 7 8 gm F mope sins 2 0 mcum m 7 i 0 5 5 FF
13. Air Cooled Scroll Chiller Service Manual 1 407 50 2 GREE ELECTRIC APPLIANCES INC OF ZHUHAI CONTENTS PRODUC 2 I TI ien i is 2 NOMENCLATURE a a ee 2 SEUNCTION e 3 A PRODUCT DA ee 4 4 1 Produce Data at Rated i eva 4 2 2 Operation Blessed teat ee eee 5 Torr 5 DIKGRA MI 6 6 5 2 Heat husband Lt eiiis 7 CONTROL e 9 I OPERATION FLOWCHAR DE 9 PC OTT OOS as 9 L 2 Hedtins te ra tr t mee uta eed b cse 10 Z MAIN LOGIC 11 OG i a L ETA TAMA 11 2 2 Heating Defrosting Auxiliary Electric Heater E heater 12 2 3 Antifreezing Protection Control a is 14 24 onttolor 4 Way Valve sua 14 ontroLor Water i jat 14 3 WIRED REMOTE 14 T TT 14 BZ VCE ACO VIE cates eat cs qua rc Sco 14 DOMI d mote
14. Dry evaporator 00399 1 _ 33 Compresorandf ngs 0001108 1 34 TemmeBowdo28 4201049 2 35 __ 44402056 2 _ 36 Current Protector 4602003 2 _ ___ 7 Terminal eit ono 1 _ Om 2 _ 2 40 Single phase air Switch 45020209 1 Phase Reverse Protetor 4602004 1 50 ITP IP INI PIP IP AIR COOLED SCROLL CHILLER MAINTENANCE Transformer 4311024001 1 42 44 mns 3 LSQWRF80M N M Parts List 1 2 neatertcompresson 4 761522 3 Expansion vave 1 4 Expansion vae 1 5 0730 6 1 7 2 4300009 8 _ 19 Pressure Protect Switen 1 460200044 i Pressure Protect swrn 1 4902000 Separator 2 07228008 2430003 _ 34 E emos 15 1 omon 15 Thermal expansion Vave 0730 i Expansion vare 1 07303 _ 18 Pressure Protect switen 60200044 _ 19 meswetrtetSwte 1 46020007 20 450100 m 2 91508
15. Module 5 gt Module 6 gt Module 7 Module 8 Fant Fan2 4 way Valve 1 gt 4 way Valve 2 gt Error Query Debug Function gt State AIR COOLED SCROLL CHILLER CONTROL 3 5 Sketch map of DIP switch Address DIP switches setting is shown as below Address DIP switchl 2 and 3 are to set the main module and sub module Main module Sub module 1 Sub module 2 Sub module 3 e 1 2 t BS 2 3 4 lt 4 NA Sub module 4 Sub module5 Sub module6 Sub module 7 B E o d dx p d A Note Won the address switch indicates the actual location of code switch Warning The setting of the address DIP switch should be done while the units are powered off If power on adjusting the address DIP switch is prohibited GREE COMMERCIAL AIR CONDITIONER AIR COOLED SCROLL CHILLER INSTALLATION AIR COOLED SCROLL CHILLER INSTALLATION INSTALLATION 1 BEFORE INSTALLATION 1 Please check the attached documents of unit and accessories according to package list 2 Check the model and specification according to attached documents 3 Check the unit for damage and accessories 4 Check the charge refrigerant for leakage
16. m B 000000000 m Hs Lal ROI Q RA A o om 0 0000007 Blo 5 49 AIR COOLED SCROLL CHILLER MAINTENANCE LSQWRF65M N M Parts List l Compressor Gasket 02118049 6 2 Berchesetcompresor _____ 4 ThrmatmonsionVave 073309 1 _ 4 ThrmatmensonVave 0713038 1 s owewyvave omon 1 6 Biirection strainer 0721004 1 _ Magnet cot 390409 1 _ 39000 1 _ 9 1 46020004 1 ap Pressure Protectswten 4602007 1 _ 2 Ges tiquid Separator 2 n awayvave 3900 1 _ 14 accumulator 2 _ 15 BredionSusme 0721004 1 _ 16 ThrmatmonsionVave 0783103 1 _ 27 Expansionvawe 071303008 1 _ Pressure Protect Switch 4460204 1 _ 19 Pressure Protect Switch 1 4801000 1 m Front Panel 0153806 2 _ 22 Compressor and fittings 0001108 1 3 __ On 1 24 Pressure Protect Switch 1 _ 35 Condenser Assy 2 _ Front Panel 0910804 1 _ 7 2 15008 1 _ 39 35800 1 30 __ Pressure Protect Switch 460008 1 _ 31 5300 2 _ 2
17. If there is any problem please contact the local service center 2 INSTALLATION SITE 1 The outside place where there is enough fresh air and bearing of foundation shall also be considered 2 Enough space for air return and maintenance of equipments 3 No obstacles above the unit 4 Drainage ditch reserved for the unit 3 CAUTIONS FOR INSTALLATION 1 Had not better install the unit in the room If necessary the distance between air vent and ceiling shall at least be 3m and enough air flow volume and ventilating systems shall be ensured 2 Refrigerant should be non flammable and non toxic Because of high density of it the room placing the unit must be ventilated 3 Once leakage of refrigerant turn off the unit immediately and contact service personnel in time Open fire at field 1s prohibited to avoid toxic gas resulted from contact of it and the refrigerant 4 MACHINE FOOTPRINT Put rubber shock pad under each of the modules the ground the rooftop and then fix it with bolts Or put the units line by line on two pieces of box iron or I iron and fix with bolts The distance between adjacent modules should be 100 cm 20 INSTALLATION AIR COOLED SCROLL CHILLER JO U JI gt 2000 jeju 9JEM 22000 u JI jeju J9JEM jeju J9JEM
18. The use of glycol will reduce the performance of the unit depending on concentration Freezing 3 3 26 7 8 18 13 9 7 21 7 7 33 3 29 Ambient 8 3 47 1 7 29 6 7 20 16 7 2 26 7 16 Cooling Capacity Correction 0 998 0 993 0 987 0 980 0 973 Factor 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 30 9 ELECTRIC WIRING WORK 9 1 Wiring Principle 10 General All leading wires joints of them equipments and wirings at field must accord with various applicable regulations and requirements All wiring work at field must be performed by the certificated personnel Wiring work must be performed after cutting off power supply The installing personnel shall be responsible for any damage resulted from incorrect connection of external wirings Warning copper leading wire must be used 2 Connect power cord into electric box of unit Circuit breaker must be installed in the external electric cabinet of unit to cut off power of the electric box in the unit The power cord should be laid out through the trunking spool or cable trench Rubber or plastic must be used for protection of power cord connected into electric box in the unit to avoid scratch by sheet metal edge The power cord close to electric cabinet of unit must be fixed reliably to protect power terminal of
19. lossa1duioo 11 bi E 399 EN X294 JAJBA Zw cA lt gt uorsuedxq eS 60290 1080 m B m WH GREE COMMERCIAL AIR CONDITIONER AIR COOLED SCROLL CHILLER CONTROL AIR COOLED SCROLL CHILLER CONTROL CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Operation Power on Set to cool mode 4 way valve 1 off 4 way valve 2 off Off Off uint atisfying the condition of the system 1 running Compressor 1 on Fan 1 off On Yes satisfying the condition of the system 1 stop Compressor 1 off system 2 running control AIR COOLED SCROLL CHILLER CONTROL Power on 1 2 Heating Operation E to heat mode Go to defrost amp tisfying the Off unit condition of exiting Pump on defrosting Yes Yes atisfying defrosting Exit defrosting condition atisfying the condition of the istem 1 running Compressor 1 off y Fan 1 off Yes Fan 1 Compressor 1 on System 2 running 4 way valve 1 on mx electric heating control Yes Satisfying the condition of the ystem 1 stop No AIR COOLED SCROLL CHILLER CONTROL 2 MA
20. 3 compressor ara tenos 1 0009 24 pressure Protect Switch 1 44602009 0100 26 1 05298 2 38 1580 3 9 1 105901 30 Pressure Protect Switch 4902000 x 2 0500 32 Dry Evaporator 01039986 35 compressor and 1 0009 3 Terminal Boaralaz im gt 420109 35 Thermal Overioad Reay 2 74402356 36 over current Protector 2 460200 37 Terminal 4000027 _ NOT 1 51 AIR COOLED SCROLL CHILLER MAINTENANCE AC Contactor 4401023501 lt Single phase Air Switch E 45020203 Phase Reverse Protector 46020054 gt Electric Cabinet Assy 01391114 3 Model LSQWF130M N M Exploded Views rt EM 52 AIR COOLED SCROLL CHILLER MAINTENANCE Parts Last 2 Pressure Protect Switch high 46020003 1 4 Dry Evaporator 01039985 a Compressor and fi
21. electric box 24 AIR COOLED SCROLL CHILLER INSTALLATION Reliable earthing must be ensured 3 Control Connection Wire Control leading wire at site should be Imm at least The signal connected with water flow switch is 12V D C light current signal so never wire it together with the leading wire at 50V or above in parallel If unavoidable the distance between heavy current and light current signals must be kept 150mm or above Chilled water pump is equipped with the electric box of unit Control signal 220V AC lcapacitv 5A of E heater can drive chilled water pump and AC contactor of E heater Never make the motor of chilled water pump and E heater directly driven by the signal Keep some allowance of control wire in the unit Never tie the excess wire into the electric box of the unit 25 INSTALLATION AIR COOLED SCROLL CHILLER 9 2 Electric Wiring Design mpau jsej 34 Od ms 8 N ae NETZITI TAL amp dL TAL Teu PPN Od mess U SDHOMIDHH CIU NITE 8N GE ve PPN Od mes SO OID ZHOS
22. for piping securing components to the structure are all important to making a quiet product We proudly publish our sound performance GREE has provided the latest technology in controlling the chillers The new controller provides a user friendly environment for the operator The control logic is designed to provide maximum efficiency to help provide continuing Superior Controls operation in unusual operating conditions through proactive controls and to provide a history of conditions to aid in problem resolutions Perhaps the greatest benefit is the protocol for integrating with your building automation system BAS AIR COOLED SCROLL CHILLER PRODUCT 4 PRODUCT DATA 4 1 Product Data at Rated Condition Cooling LSQWF M N M Models LSQWRF M N M Cooling Nominal Capacity Heating Cooling Heating Power Supply 400V 3N 50Hz Microcomputer Auto Control Running Control l Running Status Display Abnormal Status Alarm High Low Pressure Protection Discharge Temp Protection Motor Overload Protection Anti freeze Water Flow Protection Safeties Low Water Flow Protection Phase Sequence Protection Compressor Overload Protection Compressor Inset Protection Presure Differential Protection Compressor Type Hermetic Scroll Compressors Refrigerant Type R407C I Flow 4 AME GR 7 w 7 Pressure We Heat Heat Exchanger Shell and Tube Shell and Tube Evaporator Water In Out Pipe mm DN65 DN
23. suction exhaust pipe of compressor to the system pipeline connect power and check whether compressor runs normally MAINTENANCE Do not damage the rubber blanket when removing the compressor In case of intake of moisture the compressor orifice should be sealed Place the nwe compressor on the rubber blanket on which steel bushing is put Tighten the screws unitl it reach the steel bushing Connect the suction and exhaust pipe to the compressor and weld it Nitrogen must be charged when welding After welding charge high pressure nitrogen to test leak Energize the unit and crawl the AC contactor of the compressor manually to start up the compressor 2 3 sec is OK During inversion of the compressor there will be harsh noise 39 AIR COOLED SCROLL CHILLER MAINTENANCE Disassembly and Assembly of 4 way valve Remarks Before removing the 4 way valve cut off the power and reclaim the refrigerant Step Illustration Handling Instruction 1 Record Record the direction of direction of fl V je 4 way valve before 4 way valve before _ so J 7 downy valve removing it welding it Do not her ji remove the coil refer to the other ll _ Wrap 4 way valve system Y with wet cloth before weld
24. 2 gt LO MEQUIE 1055 module erminal board of modulel Terminal board of module erminal board of modules 34 35 34 35 e CARR VA T NO A Connect module 4 until the last module 1 RAN Y y 3 C on na he ZA 4h nf ar WIAA d each Af GOnnecl moau COMME Lne 0600 0 ermina GG 4 P f n _ the modules res provid 1 he S The add ace ler miret he set the metho Vet trol Ze 5 VIC mu DG particular SELUI Q etno Contro manua Z Aft f HS f 5 po on could turn on the unit Installation quide struction TIO LT Ay MAX e NI ame Coda N Cada N ame X aroove 1 KA e Na nd VS d N E Dh CT 7 Anti phase Protector 217 System 1 air out sensor KM NAZ ARID FA EA U m 3 Q 2142 air o B 5 zw CJ 1 7 ilesa ICD SU FR1FR3 32 FRSIFRA FR6 21 JU 4 9 E j control CIA CTA 5 FU1 2 computer 32 7 4 LIiD4 2 944 5 1 2 anti freezing NA 4 9 RP YV1 2 B B2 185 m Note This wiring diagram is just for your information and please refers to the diagram stuck to the unit during the actual wiring 30 GREE COMMERCIAL AIR CONDITIONERS AIR COO
25. 65 DN80 Wo ow Heat Heat Exchanger Finned Coil Type Condenser Condenser Fan Motor 1 15x2 1 15x2 0 75x4 Power Input Outline 2110 2190 2110 2190 2410 2490 Package Depth mm 1100 1180 Dimension 2140 2140 2140 2140 22492040 Net Weights 1030 1670 Heat Pump Operation Weights 1034 1133 1837 Cooler AIR COOLED SCROLL CHILLER PRODUCT Dama Net Weights kg 905 985 1565 Cooling Only Operation Weights kg 996 1084 1722 Cooling Only Notes Nominal capacities are based on the follow conditions Parameter refer to the nameplate Water side Air side Water flow Leaving Water Dry bull temp Wet bull temp m h kw A 4 2 Operation Range Item Leaving Water Temperature Difference Air on Condenser 0 BI of Water 5 15 C 2 50 6 180 48 C Cooling 41 59 F 370 43 F 64 119 F 40 50 C 2 50 6 C 150 24 C Heating 1040 122 F 370 43 F 5O 75 F 4 3 Electric Data LSQW R F65M N M 400V LSQW R F80M N M 3N LSQW R F130M N M 50Hz Notes MRC Maximum running current A NRC Nominal running current A PRODUCT AIR COOLED SCROLL CHILLER 5 PIPING DIAGRAM 5 1 Cooling Only aqnj pu WH JAJBA N P YOUMS oJn
26. IN LOGIC 2 1 Cooling Mode In cooling mode the four way valve is always off as long as the controller 15 energized and it hasn t anything to do with the states of compressor and fan Tout T A TXN T 4 X Tin T Cin A Tout T Cout A TXN T N Tin T X STOAT Stop 1 Control of compressor For the module N amp 0x03 AT 0 511 0 3 Compressor 1 and 2 will start and stop in fixed time Compressor 1 When gt ATXN compressor 1 is WhenToutsT Cout compressor 1 is off Under other conditions it keeps original Compressor 2 When Tin T ATXN T compressor 2 is on When ToutsT Cout ATXN T compressor 2 is off Under other conditions it keeps original 2 Control of fan Dual fan system If both of the compressors are off fan A will be off If either of the compressor or both of them are on fan A will be on 4 fan system If compressor 1 2 1s off fan A B will delay 30s to be off 11 AIR COOLED SCROLL CHILLER CONTROL If compressor 1 2 1s on fan A B will have been on prior to 30s 2 2 Heating Mode Defrosting Auxiliary Electric Heater E heater Tout T Hout A Tx Tout T Hout A TX N Tin T Hin A TX N T Tin T Hin A TX Compressor ILI Control of compressor stop Start For the module N amp 0 03 0 5 T 0 3 Com
27. IS ei gt Cooling Heating2 Cooling2 at 7 FR2 31 433 439 43 87 M7 184445 107 113 110 111 116 117 i ou 49 95 27 Sal ID 5 at 42 50 M44 188 52 51 58 57 66 55 54 53 H2 2 FANT 2 MELT2 F H2 F H1 IN OUT i A 4 TRY X X5 X4 FOB FUSE OUI 5 15 350V 0 NIL OMPI COMP2 OFAN FAN2 VALUE VALUE2 PUMP LASHEAT SHEAT2I SP L 85 87 88 89 91 92 96 9 95 93 Iw 4 FUS 2 e ii 3 10 TB343 18412 TBARB 1841 c 82 84 TB1 L1 58 orl RN L o oe o9 S ci e 2 Ss 5 FA2 B FA2 A 90 104 105 gt F 5 o 5 5 12 YI 9kw 5 n KM1 3 Xie gt l kv 5 127 118 119 25 _ 124 23 22 102 103 120 121 128 pen 185 NI 18 19 1835 TB3N2 4 184 N2 N2 U schematic diagram for the network connection approaches and wiring methods between the modules Module 1 controller Module 2 controller Module 3 controller Address switch _ manual Address switch Address switch ian operator 24 TE XS x3 7 Connect with module 4 until the last module Ter
28. LED SCROLL CHILLER MAINTENANCE 31 AIR COOLED SCROLL CHILLER MAINTENANCE 1 TROUBLE TABLE Description Signal Source MAINTENANCE Control Logic Hi pressure 1 of Comp Hi pressure 2 of Comp Low pressure 1 of Comp Low pressure 2 of Comp Overload of Comp 1 Overload of Comp 2 Overcurrent of fan 1 Inlet water temp sensor Outlet water temp sensor High pressure protection of compressor 1 High pressure protection of compressor 2 Low pressure protection of compressor 1 Low pressure protection of compressor 2 Overload protection of compressor 1 Overload protection of compressor 2 Overcurrent protection of fan 1 Inlet water temp sensor protection Outlet water temp sensor protection High pressure switch of compressor 1 High pressure switch of compressor 2 Low pressure switch of compressor 1 Low pressure switch of compressor 2 Overload protector of compressor 1 Overload protector of compressor 2 Overcurrent protector of fan Inlet water temp sensor Outlet water temp sensor High pressure switch acts when high pressure reaches 3 0MPa If both of the compressors are off the fan will delay to stop For 4 fan system if the compressor of a certain system is off the corresponding fan will delay to stop Error indicator on display board will light and relative mark will also be dis
29. QFI 15 _ T 1 1 2 PC I G 6 1116 Pd C L2 A Uv 7 12 17 KM N oN 17 EH TA VIVO Seen less ese XE here are no YV1 YV2 auxiliary heating PS CTA tha ARRAN nm auxiliary heating2 ST3 5714 LP12 LP22 in the cooling only unit he users should connect the part in oroken line 28 56 TB4 44 y X jU X oy 1571156 155 154 151 150 18 4 SI3 56 915 5 751 955 184 41 159 5 M7 52 51 58 57 55 55 54 B Aes ADS S 1 211 12 1 F H1 O H LI H L2 C L2 CMP CMP2 FANT FOV PI MELI F H2 IN 00 i 010101 NA X1 X g i 7 TET E LE ACARS 4 p p D les ATA p COMPI COMP2 1 OFAN2 VALUE VALUE2 SHEA SHEAT2 128 87 38 99 90 91 95 5 5 TRI b B3 PI 19 BA 104 gt 5 c 97 UA YV x gt 2 B 2 M4 m L VI 5 nz 499 07 19 25 123 127 183 N2 5 2 Schematic aiagram tor the connecuon nes ana metnoas une TI 2 5s 9 p KA Module controlle Module 2 controller Module 5 controller Address Connec A manuc _ 1 operator X5 cg TS e Ta h Y A A nti the AG A 4s gt
30. R INSTALLATION LSQW R F80M N M Power 3 IB 1 1123 I 11 16 131 LI PC L L2 11 14 L3 A 7 12 17 2 1015 8 1318 1 p 14 FU 02 X ae KM1 KM2 KMA 4 5 B3 PE KMi KM3 97 _ 129 180 m die TB32 1833 FTA ZININ NIN exl NIN M o X7 100 XB 01 2 2 rm 2 mE DE DSS gt 9 109 quia MTA M 33 83 COMPA MXN TBATI SAU Beni 3 374 CFM2 e pp 380 Z 3 18 24 20 26 59 80 N 65 6667 69 7 168 72 a Fal i 83 490 452 40 138 2 56 446 Teal 44 7 JR 706 A 75 x COMP1 7 ER ka la Tie t te E b 157 156 n UNS 150 1212 12224 pail 73 i SB
31. W W_CND H1 H2 H LIC LIH L2C L2 FANT 5 MELT2 F H2 OUT E _ a i 306 xi X5 X4 V 3 Iw _ L 2 x3 NIL COMPTI COMP2J OFANT VALUET VALUE2 H P UMP SHEAT1I SHEAT2 SP L TC T 87 91 92 66 94 95 93 bears b FAT B 7834 10 TB343 18412 8 TB491 3 1 82 84 T81 L1 o Dou e o C 2 g VEI FA2 B FA2 A 90 104 105 5 gt gt TB3 PE 5 lt 5 ie wz la 50 KM1 KM2 TKME T lt 8 GS py 127 118 1847184 119 125 24 123 177 193 120 121 L 18 po zo TBS NI BL 49 TBS N2 TB3N2 78442 uim Schematic diagram for the network connection approaches and wiring methods between the modules Module 1 controller Module 2 controller Module 5 controller Address switch manual Address switch Address switch __ 2 O X X2 nn Un 2 il 125 x3 123 X 123 3 Connect with module 4 until the last module Terminal board of module Terminal board of module2 Terminal board of modules CA 34 35 34 35 4 35 TB3 ec H B3 EL B3 t Connect with module 4 until the last module
32. air out sensor S Wire groove 3 D 2 Refrigerant water CUI i Compressor heating beljLP11 21 Low pressure switch 1 gt outlet sensor SW Water flow switch EA n Refrigerant water 2 over current protector LP 12 22 Low pressure switch 2 DIL inlet sensor SU User emergent switch Unit central control System 1 2 defrosting ID 7 Wire groove 4 FUIS Fuse computer 512 514 sensor TC ransformer A Anti freezing sensor 1 2 ten R12 Relay Jo T bez High pressure switch Thermal Relay Freeze Superheat temperature Y Four way valve 1 TBZ TB4 SEE _ 2 516 Anti freezing sensor2 Reference Temperature 29 AIR COOLED SCROLL CHILLER INSTALLATION LSQW R F130M N M f UN P N PM 3
33. d to control 1 8 sets of chiller in one system it 15 used to display control menu accept and display all the parameter which is sent by main board set the parameter and send the setting parameter to main board 3 2 Operation View AIR COOLED SCROLL CHILLER CONTROL 1 ka 2009 01 01 00 02 2 Cooling only ix Cool off 1 Modules 19 d Manual Mon 4 If the power of the display board 15 on Power Indicator will Green be light or else it is off Green else it won t If the error happens Error Indicator will be light or else it Red won t Switch on off the control units In the standby state press On Off Button this button for 3 sec to start the unit or press it for 3 sec to stop the unit in the operating state Pressing this button for 3sec the screen will show Reset Button full screen content and the error show will be eliminated at the same time the system will check the error again When selecting the menu press this button to move a cursor A Button upward or left When modifying the data press this button to add the numerical value When selecting the menu press this button to move a cursor Button downward or right When modifying the data press this button to decrease the numerical value Exit Button Press this button to return to the previous menu When selecting the menu press this button to confirm the selection and go into the
34. f E heater stop Tin T2 the second group of E heater keep original state If Tin lt T1 1 detected by inlet water temp sensor the first group of E heater run If Tin gt T2 1 the first group of E heater stop If T1 1 T2 1 the first group of E heater keep original state If turning off control function of E heater by display board E heater won t run 2 3 Antifreezing Protection Control If auto antifreezing function is turned on by display board at unit off under heating mode the unit will have this function If antifreezing temp of any module 3 5 C adjustable corresponding water pump will Start If antifreezing temp of any module Tfi lt 1 5 C the unit will heat with E heater off If antifreezing temp of all modules Tfi gt 15 C the unit will stop If antifreezing temp of any module 1 5 lt Tfi lt 15 C the unit will keep original state 1 2 If auto antifreezing function 15 turned off by display board the unit will quit this function 2 4 Control of 4 Way Valve 4 way valve is always off in cooling mode Refer to 2 2 for control of 4 way valve in heating mode 2 5 Control of Water Pump Water pump is open while the unit is on and it is closed after the compressor stops for some min Water flow switch protection means water pump is closed while the compressor stops Refer to 2 3 for control of water pump auto antifreezing operation 3 WIRED REMOTE CONTROLLER 3 1 Function One LCD can be use
35. ing so that it is complete and be analyzed in the future Remove the 4 way valve 2 Clean the system the new 4 way valve replace the 4 way should be the same as the valve of the same replaced If it model The piping should be confirmed by 10 Chan the sytem as it is before il 3 wrap the the 4 way valve should be the same the professionals removal iF with wet cloth T Connect the the 4 way valve with the four connecting pipe according to the original direction Connect the pipe by welding Charge nitrogen when welding 3 Pressurize and Ensure that the vacuum vacuumize the ef b j degree is 1 The system Recharge 4 period for vacuuming is the refrigerant longer The name and wight of the charged refrigerant should comply with the reqiurement marked on the nameplate 40 AIR COOLED SCROLL CHILLER working environment MAINTENANCE Removal and Installation of Gas Liquid Separator and Accumulator Remarks reclaim the refrigerant Prepare related equipment and tools and ensure the good ventilation of the 1 Remove the gas liquid separator and connecting pipe of the accumulator Loosen the screws of the base and remove it 2 Clean the system and replace gas Liquid separator and accumulator of the same model 3 Assemble and weld the gas Liq
36. minal board of module Terminal board of module Terminal board of module3 34 35 34 35 34 35 55 LA Connect with module 4 until the last module 1 connect the X2 X5 between each of modules by communication line to connect the 34 35 of terminal board between each of the modules by the dual core soft lead wires provid for user themselves the method is shown as above 2 The address switch of each module controller must be set tne particular setting methods please refer to Control system manual After power is on could turn on the unit There are YV1 YV2 auxiliary heating auxiliary heating2 313 914 LP12 LP22 in the cooling only unit when using the compressor of brand Danfoss 4 There arent the elements and the wiring odes nat Installation guide way Electric control cabine 90605 INSUUCUON me E jA zx Nuno Nome Code Nome Name Code Name L Auxiliary heater high temp 7 M M Concensing fan motor protection 12 Anli phose Protector SI System 1 air out sensor sel o TA Compreesor motor 1 g AC contactor QFI Chopper 518 System 2
37. next menu When modifying the Confirm Button parameters press this button to confirm the parameter and move the cursor The area for the information display AIR COOLED SCROLL CHILLER CONTROL 3 3 Display View 2009 01 01 00 02 Cooling only Run Cool off 1 Modules a Manual Mon 5 gt Display the current state of the unit such as running or off 4 On off mode Display the mode of the unit on or off such as manual or 5 Module number Display the module number of the whole unit 1t would be Wek Display the week at the moment such as mon AIR COOLED SCROLL CHILLER 3 4 Menu Structure of Controller Main Menu Clock Setup Timer Setup Startup EL User s Setup Run Mode Sound gt Backlight gt Auxiliary Heat Auto Antifreeze gt Module 1 o gt Temp View CONTROL gt Water out T XX EL Water in T XX Freeze T XX gt Module 2 gt 3 Module View Module 4 Reference T XX Defrost T 1XX o State View EL Defrost T2 XX gt Compressor 1 gt Compressor 2 EL Version
38. ogen into the pipe during welding 44 AIR COOLED SCROLL CHILLER MAINTENANCE Removal and Inatallation of Filter Remark Check the various wirings of refrigerant system If replacement of expansion valve is confirmed cut off power of the unit to reclaim refrigerant 1 Reclaim Cut off power of refrigerant the unit Reclaim refrigerant 2 Remove the filter order to ensure completeness of filter wrap the filter with wet cloth La Unsolder the Lm m filter with the Filter welding gun 3 Replace the new Replace the new filter filler with the same model Wrap the new filter with wet cloth then install it Connect the connection pipe Weld it with welding gun Notice Charge nitrogen into the pipe during welding 45 AIR COOLED SCROLL CHILLER 4 EXPLODED VIEWS AND PART LIST 1 Model LSQWF65M N M LSQWF80M N M Exploded Views
39. played It must be manually cleared to resume running of the unit Error code is displayed and can not be automatically resumed If error code disappears after reset the malfunction is cleared If overload protection of compressor is detected the relative compressor will immediately be stopped and then the fan If compressor overload protection is detected 3 times successively error code will be displayed and it can not automatically resume After reset the malfunction will be cleared if the problem disappears If fan overload protection is detected all compressors and fans should be immediately stopped If it resumes after 3min running of unit will If fan overload automatically resume protection is detected 3 times successively error code will be displayed and it can not automatically resume After reset the malfunction will be cleared if the problem disappears If inlet water temp sensor malfunction the unit will run as usual and display error code If short circuit or open circuit of outlet temp sensor malfunction error code will be displayed and all loads will be stopped The unit will resume running if the problem is solved 32 AIR COOLED SCROLL CHILLER Defrost temp sensor Defrost temp sensor 2 High discharge temp 1 High discharge temp 2 Defrosting temp sensor protection Defrosting temp sensor Defrosting temp sensor 2 protection High discharge temp Discha
40. pressor 1 When TinsT ATXN compressor 1 is When Tout gt T_ ATXN compressor 1 is off Under other conditions it keeps original Compressor 2 When Tin lt T_Hin ATXN T compressor 2 is on When Tout T_ AT lt N T compressor 2 is off Under other conditions it keeps original 20 Control of fan It is the same as that in cooling mode Control of 4 way valve a For the first startup of unit from cooling mode to heating mode the 4 way valve is energized after compressor 15 on for 20s b For common startup manual or timer of the unit in heating mode the 4 way valve will stop after it starts for 40s and then it restarts after the compressor is on for 20s c If the compressor in heating mode is turned off at the setting temperature point the 4 way AIR COOLED SCROLL CHILLER CONTROL valve is still energized If the unit is turned off by operating the displayer the 4 way valve will be de energized after the compressor is off for 2min 4 Defrosting control Auto defrosting staring conditions 3 conditions must be met simultaneously a Accumulative running time of compressor exceeds interval between the defrosting times b The temperature detected by the defrosting sensor reaches defrosting start condition c Accumulative running time of compressor reaches 4min and 505 If the above 3 conditions are met simultaneously the dual systems defrost at the same time d Defros
41. r 380V 3N 50Hz Voltage Code 400V 3N 50H7Z 380 415V 3N 50Hz 65 60 kw 5 Nominal Cooling Capacity 80 76kw 6 AIR COOLED SCROLL CHILLER PRODUCT 3 FUNCTION Utilizing new scroll compressor technology the chillers meet or exceed the High Efficiency performance requirements of ASHRAE 90 1 All system components are selected Full Load Operation for optimum performance including the condenser coil areas and evaporator sizes By using two compressors on each chiller unloading characteristics and part load performance are outstanding Integrated part load value IPLV is a part load Excellent Part performance indicator as outlined in ARI standard 550 590 1998 the IPLV rating Load Performance compress the performance of different chillers under identical conditions When the IPLV is listed in EER Energy Efficiency Ratio a higher EER will indicate that the chiller s overall performance is better The chillers have a reputation for a compact design and small footprint A small Compact Design With footprint can save installation costs by minimizing the size of the concrete Small Footprint mounting pad or reduces the amount of structural steel if the unit is mounted on the rooftop The chillers are designed with quiet scroll compressors Fans are selected for good performance and lower sound levels The attention to detail with sound is Quiet Operation critical in the design Small issues such as refrigerant piping supports
42. rge temp protection of sensor of system 1 compressor High discharge temp Discharge temp protection of sensor of system 2 compressor 2 MAINTENANCE In case of open circuit or short circuit of defrosting temp sensor error code will be displayed and all loads will be stopped The unit will resume running if the problem is solved In case of open or short circuit of discharge temp sensor error code will be displayed and all loads will be stopped The unit will resume running if the problem is solved 2 FLOW CHART OF TROUBLESHOOTING 10 High pressure protection High pressure protection No a gt No If re sensor T Meause the M EC ind pressure with uen narmal Replace the sensor manometer _ si A Pd Replace ihe mainboard c Purdnent le mp es Check installing environment of the unit is taq high ventilated H not improve Condensing air _ Check and repair the condensing fan L volume is poor or 3 for recovery of running ae ngfan is ul bw E aw s mili Pd 7 Refrigerant is M 1 T lt charged ten much Charge part of refrigerant Be m P M ud M fo heat exchanger f fin heat exchanger i il has filth blockage F there is filth Replace the parts with filth blockage a ma in the p sy
43. ssoJq P 19119 A N pinbrq anode JossoJduioo d 105096 105096 YOUMS MOJ UJIM WH A ES X 5 b 4 YMS 9188914 L L F pinbrT Iosso1duuoo 105195 105195 YOUMS 955914 MOJ WH PRODUCT AIR COOLED SCROLL CHILLER 5 2 Heat Pump JAJBA Uorsuedxq 1 xue p pinbry c 7 JAJBA 3994 uorsuedxq lt gt L Jew L eS JOYO TM im NUES IJIEM m Josuog YOUMS Ioje1edog pinbrT anode A a T 3 Josso1duiroo IL T JAJBA eM p 105096 L MOL WH JAJBA ewy NB 1 JOSU9Q YOUMS ted yue L pinbrT Joyeredag pinbrT mode A Bo X i NY Y
44. stem P i y 7 There 75 air or condensable gas in the system Discharge ihe gas from Freon charging nozzle or vacuum piping if necessary 33 AIR COOLED SCROLL CHILLER 2 Low pressure protection Low pressure protection lf the sensor 1 normal Yes If water temp is normal Yes If water flow volume 15 normal No No lf the evaporator scales seriously refrigerant is poor No there is filth blockage in the system MAINTENANCE N Replace the sensor No Reset the water temp s Adjust the water flow volume at normal station 7 Clean the heat exchange pipe of evaporator Leakage detection vacuum piping for recharging Yes No Remove the blocking materials and replace the parts with blockage 34 AIR COOLED SCROLL CHILLER MAINTENANCE Compressor Overload Protection Compressor overload protection N If compressor Adjust the overload protector current 15 normal Yes di Adjust the voltage Yes Yes If return water Adjust the water flow volume at temp 15 too high normal station lf discharge Yes pressure is too high Refer to high pressure protection No Replace the parts with filth blockage system Mo Yes Check the motor and resistor between terminals Malfunc
45. t Remove fan sub assy and cut off power cord of fan motor and then remove sheet metal wrapping the condenser Remove grill of condenser Unsolder the connection pipe of condenser according to the left illustration Remove the support fixing the joint with a spanner Unsolder the samll connection pipe of condenser according to the left illustration Install the new condenser according to the removal procedure of it Weld each connection pipe with the welding gun Re connect the power cord of fan motor Pay attention to sequence of connection wire of fan motor 43 AIR COOLED SCROLL CHILLER MAINTENANCE Removal and Installation of Thermal Expansion Valve Remark Check the various wirings of refrigerant system If replacement of expansion valve is confirmed cut off power of the unit to reclaim refrigerant 1 Reclam of P Cut off power of the unit refrigerant P ii I lt S Reclaim the refigerant 2 Remove the L Omm In order to ensure expansion valve NT um oo completeness of expansion E valve wrap 4 way valve with wet cloth Unsolder the expansion valve with the welding gun 3 Replace the new Replace the new 4 way expansion valve us ka valve with the same model Wrap the new expansion valve with wet cloth and then install it Connect the connection pipe Weld it with welding gun Notice Charge nitr
46. ting temperature reaches end condition The following detailed conditions are met e Defrosting time reaches setting time Dual fan system If defrosting temperature of one system a reaches end condition operate according to the following two conditions If system b has not reached end temperature system a will be off to wait untill system b reaches end condition After that they enter into heating operation together 2 If system b also reaches end condition both of the systems end defrosting and enter into heating operation Under conditions 1 and 2 4 way valve after defrosting to heating will firstly open and the fan will be on after 5s If compressor 15 originally on it also keeps this state If 15 originally off it will restart after 3 min stop at least 4 fan system If a certain system met the end condition the fan will be on and then stop after 10s After 8 s stop of fan if end temperature is detected again the system directly enters into heating operation 5 Auxiliary heating control If auxiliary heating function is on by operation of displayer the unit will control the auxiliary electric heater on off according to inlet water temperature First startup of the unit auxiliary electric heater will start after 15min of the unit If Tin lt T1 detected by the inlet water temp sensor the second group of E heater auxiliary electric heater run AIR COOLED SCROLL CHILLER CONTROL If Tin gt T2 the second group o
47. tion of the motor or short circuit of connection wire 35 AIR COOLED SCROLL CHILLER MAINTENANCE 41 Internal Protection of Compressor Check installing environment of the unit is ventilated If not improve it i No If power supply and Check installing environment of the voltage Is normal unit is ventilated If not improve it Yes Ifdischarge temp i ischarge temp TUNE is Refer t to high discharge temp No E Th Yes lf water temp 15 too Adjust the water temp high No Yes Internal thermostat Check installing environment of the has malfunction unit is ventilated not improve it No Yes Refrigerant is poor Leakage detection and vacuum piping for recharging SU High Noise of Compressor High noise of compressor Liquid slugging of Yes Adjust the refrigerant volume P4 and check degree superheat liquid refrigerant in compressor of air suction Poor ail in compressor Add compressor ail 36 AIR COOLED SCROLL CHILLER MAINTENANCE 6 Water flow switch protection Water flow switch protect econ Water flow switch Yes Replace the water flow switch malfunction No l If water flow switch Install it correctly 15 correctly installed Yes If water pump has Yes Check and repair the water pump malfunction Yes If water flow Adjust water flow volume at normal volume is too low station A
48. ttings 001084 electrical neater 2 9 Compressor Gasket 0211809 10 Gas tiquid Separator mio 2 uu ressure Protect 1 12 Thermodynamic Expansion Valve iet 0713043 1 14 Gastuberiter 07219051 15 Scomswtch 50000 1 16 Front Pare 01538007 2 _ 17 Condenser assy 104121232 2 18 FanMeshEndoser 0147808 1 _ 19 5 20 Cennfugafan 903580020 1 21 Front panei right l 015309 2 _ 22 wing 001368007 4 _ 26 _ Thermal Overload Reay 44020356 4 27 Terminal Boardla 42010254 i 28 Thermal overload Relay 4020383 2 29 Terminal i 30 accontactor 4401009 2 31 single phase Air switch 45020203 1 32 AC Contactor 2 33 Phase Reverse Protector 46020054 1 34 Transformer 43110240 a 35 Main Board 3002206 53 N Ie N n m AIR COOLED SCROLL CHILLER MAINTENANCE 36 Electric Cabinet Sub Assy 01391150 1 4 Model LSQWRF130M N M Exploded Views
49. uid separator and accumulator Charge nitrogen during welding Accummulalor Gas Separate separator Remove the connecting pipe by heating with the soldering gun Remove the fixing screw with spanner and remove the gas Liquid separator and accumulator Insatll the gas Liquid separator and accumulator of the same model Fix them with screws Connect the pipe to the gas Liquid separator and accumulator Connect the pipe with the soldering gun Notice Charge nitrogen during welding 41 AIR COOLED SCROLL CHILLER MAINTENANCE Removal and Installation of Shell and Tube Exchanger Remarks when inspect the water system and confirm that the shell and tube exchanger is damaged and needs to be replaced cut off the power of the unit and reclaim the refrigerant 1 Loosen the water inlet and outlet Remove the external front panel of shell tube 3 Unsolder the tube connecting the heat exchanger there may be different heat exchangers for different units so connection position of each connection pipe must be marked during welding 10 avoid blow by of the system by error connection 4 Unscrew the 4 bolts fixing the heat exchanger support 5 Replace the new shell tube and connect its pipeline properly Shell and tube heat exchanger
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