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WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL

Evaporator Pressure Drop

Condenser Pressure Drop

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Содержание WC Series

Страница 1: ...n Water Piping Connections Electrical Data Microprocessor Control Startup Procedures Preventive Maintenance WC Series Variable Speed Dual Screw Chiller Installation Manual WC Series Variable Speed Dua...

Страница 2: ......

Страница 3: ...onal Data 9 Rigging Data 12 Center of Gravity 13 Water Quality 14 Water Connections 15 Electrical Data 16 Electrical Connections 16 Wiring Schematics 17 Pressure Drop 20 Electrical System and Controls...

Страница 4: ...knowledging the damage Units are to be stored in a location that provides adequate protection from dirt debris and moisture Units are setup to be side picked using a fork lift Some units include pick...

Страница 5: ...ry Use Only Voltage 4 460 60 3 Electrical Option A Standard Fused Disconnect Control Option B Stand Alone BACnet Non Standard Options SSS None Future Option N Not Applicable Future Option 0 Not Applic...

Страница 6: ...agement control Low impedance line reactors reduce harmonic noise and improve power factor Fused disconnects for each compressor Factory installed flow switches and modulating isolation valves Variabl...

Страница 7: ...nclosure for maximum sound reduction Structural Steel frame to reduce vibration Flange style water connections for an easier and faster connection High efficiency brazed plate heat exchangers for effi...

Страница 8: ...70 21 1 25 3 9 Min Leaving Water 70 21 1 40 4 4 Max Entering Water Brine 133 56 1 80 26 7 Max Leaving Water Brine 140 60 0 70 21 1 Min Differential Temperature 7 3 9 5 2 8 Max Differential Temperatur...

Страница 9: ...9 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Dimensional Data PP PP PP PP PP PP PP PP PP PP PP PP 7RXFK VFUHHQ GLVSOD QVL ODQJH PP PP PP PP DE...

Страница 10: ...10 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Dimensional Data cont PP PP PP PP 92 7 21752 2 1 5 725 2 86 2 2 92 7 2 QVL ODQJH 32 5 1 7 A DETAIL A...

Страница 11: ...RIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Dimensional Data cont RQGHQVHU YDSRUDWRU RPSUHVVRU LOWHU RQGHQVHU 2XWOHW RQGHQVHU QOHW YDSRUDWRU QOHW YDSRUDWRU 2XWOHW LOWHU ULHU LOWHU ULHU...

Страница 12: ...12 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Rigging Data USE SPREADER BARS TO PREVENT DAMAGE OF UNIT...

Страница 13: ...BLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Center of Gravity C D B A F E G hE d t s t s t s Ed Z K Z s dz 1 MODEL SHIPPING WEIGHT NET WEIGHT WCHVE 175 13 000 13 000 WCHVE 225 12 500 12 500 WCHVE...

Страница 14: ...the basis of acceptable pressure drop and not on pipe diameter The strainers selected should have a pressure drop at the nominal ow rate of the units low enough to be within the pumping capacity of t...

Страница 15: ...hould be at least 15 F below the lowest leaving uid temperature Surface Condensation Chart Room Ambient Condition Surface Temperature 50 F 35 F 0 F Normal Max 85 F 70 RH 1 2 3 4 1 Mild Max 80 F 50 RH...

Страница 16: ...0 240 0 20 0 480 0 540 0 600 800 HACR circuit breaker in USA only 7 22 19 1 MCC RLA LRA rating per compressor Breaker FLA sized for both compressors 2 LRA is compressor motor starting current Electri...

Страница 17: ...Y1 EH2 C EH1 C CO C R Off Faul t LED1 R Status LED3 Config LED2 CC2 CC F C R F FG CC CCG CC2 HI CC2 LO CC2 G REVREV FP1 FP1 FP2 FP2 LPS LPS HPSHPS K1 RV Relay K2 CCRelay K3 CC2 Relay K4 Fan Relay K5...

Страница 18: ...ure Use L Output Type CC Dual Single Acc Dip 5 Acc Dip 4 RV B O FP2 15 F 30 F FP1 15 F 30 F 1 2 3 4 5 6 7 8 Off PB2 2 1 3 White 304 White 308 White 312 White 316 Orange 307 Orange 303 Orange 311 Orang...

Страница 19: ...2 DI2 GND L N XO5 X02 1 X02 2 T1 T2 T3 STO STO DI2 DI2 GND L N XO5 X02 1 X02 2 COMP B CONTROL BOARD REACTOR GROUND Transformer 2 24 V PB3 2 1 3 Transformer 3 24 V NOTE 1 460 V 460 V Purple Purple Blac...

Страница 20: ...20 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Evaporator Pressure Drop Condenser Pressure Drop...

Страница 21: ...d to the compressor contactor CC output of the Aurora control Anytime Aurora senses a fault that would require compressor shutdown it will trigger the STO input to turn the motor off High Pressure Swi...

Страница 22: ...er Machine has been Running for 4 Minutes Suction Temperature Discharge Pressure Super Heat Hx1 Gas Pressure Subcooling Hx1 Sat Capacity Hx2 Gas Pressure Return Water from Geo Field Hx2 Sat Hx2 Gas Te...

Страница 23: ...23 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Screw Refrigeration Cycle Analysis...

Страница 24: ...nds per square inch HC Heating Capacity in MBTUH HE Heat of Extraction in MBTUH kW kilowatt ft hd pressure drop in feet of head HR Heat of Rejection Verify the following High voltage is correct and ma...

Страница 25: ...for debris Check water flow rates and pressure drops across evaporators and condensers Verify graphical data and trending Properly document all data Annual Checks Remove and clean all waterside strai...

Страница 26: ...Total Amps Comp Fan n _____ AMPS n ______ AMPS n ______ AMPS Watts m x n x 0 85 o _____ WATTS o ______ WATTS o ______ WATTS 6 CAPACITY Cooling Capacity HR o x 3 413 p _____ btu hr Heating Capacity HE...

Страница 27: ...EM OK NG VERIFY ALL REFRIGERANT VALVES ARE OPEN OK NG VERIFY ELECTRICAL PANELS ARE FREE OF FOREIGN MATERIALS AND ALL WIRING IS TIGHT AND SECURE OK NG L1 L2 VOLTAGE V L1 L3 VOLTAGE V L2 L3 VOLTAGE V L1...

Страница 28: ...VAPORATOR LOAD SIDE ANTIFREEZE CONCENTRATION TYPE CONDENSER LOAD SIDE ANTIFREEZE CONCENTRATION TYPE SOURCE LOAD SIDE ANTIFREEZE CONCENTRATION TYPE APPROVAL OF ANTIFREEZE CONCENTRATION TO ADJUST FREEZE...

Страница 29: ...LY ENHANCED CONTROLS ONLY OK NG VERIFY WATER TEMPERATURES CLOSELY MATCH REFRIGERANT SAT TEMPERATURES OK NG VERIFY COMPRESSOR AND UNIT SETTINGS ARE CORRECT SEE SHEET BELOW OK NG COMPUTER STATIC IP ADDR...

Страница 30: ...TER TEMP F ENTERING COLD WATER TEMP F LEAVING COLD WATER TEMP F COMPRESSOR 1 CAPACITY COMPRESSOR AMPERAGE A COMPRESSOR 2 CAPACITY COMPRESSOR AMPERAGE A COMPRESSOR 3 CAPACITY COMPRESSOR AMPERAGE A COMP...

Страница 31: ...31 WC SERIES VARIABLE SPEED DUAL SCREW CHILLER INSTALLATION MANUAL Pages Description Date By All Document Creation July 2019 MA Revision Guide...

Страница 32: ...nd development and reserves the right to change design and speci cations without notice Product WC Series VS Dual Screw Chiller Type Water Cooled Chiller 60 Hz Size 175 300 Tons Document Installation...

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