Sterling AquaSnap 30RA010-055 - Manual (Page 94)

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5. CHILLED WATER PUMP STARTER INTERLOCKED WITH CHILLER. YES NO
6. CHILLED WATER FLOW SWITCH IS OPERATIONAL. YES NO
7. WATER LOOP VOLUME GREATER THAN MINIMUM REQUIREMENTS. (See Table 40). YES NO
8. PROPER LOOP FREEZE PROTECTION PROVIDED TO _____ °F (°C). YES NO
ANTIFREEZE TYPE _____________________ CONCENTRATION __________%.
IF OUTDOOR AMBIENT IS BELOW 32 F (0° C) THEN ITEMS 9-11 HAVE TO BE
COMPLETED TO PROVIDE COOLER FREEZE PROTECTION TO –20 F (–29 C). (REFER
TO WINTER SHUTDOWN FOR PROPER COOLER WINTERIZATION PROCEDURE.)
9. OUTDOOR PIPING WRAPPED WITH ELECTRIC HEATER TAPE, YES NO
INSULATED AND OPERATIONAL.
10. COOLER HEATERS INSTALLED AND OPERATIONAL. YES NO
11. CHILLED WATER PUMP CONTROLLED BY CHILLER. YES NO
III. Unit Start-Up
1. COMPRESSOR OIL LEVEL IS CORRECT. YES NO
2. VERIFY COMPRESSOR MOUNTING BOLT TORQUE IS 10-14 FT-LB. (13.5-18.9 N-M). YES NO
3. LEAK CHECK UNIT. LOCATE, REPAIR AND REPORT ANY REFRIGERANT LEAKS. YES NO
4. VOLTAGE IS WITHIN UNIT NAMEPLATE RANGE. YES NO
5. CONTROL TRANSFORMER PRIMARY CONNECTION SET FOR PROPER VOLTAGE. YES NO
6. CONTROL TRANSFORMER SECONDARY VOLTAGE =
7. CHECK VOLTAGE IMBALANCE: A-B A-C B-C
AVERAGE VOLTAGE = (A-B + A-C + B-C)/3
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =
VOLTAGE IMBALANCE = ____________% (MAX. DEVIATION/AVERAGE VOLTAGE) X 100
VOLTAGE IMBALANCE LESS THAN 2%.
YES NO
(DO NOT START CHILLER IF VOLTAGE IMBALANCE IS GREATER THAN 2%.
CONTACT LOCAL UTILITY FOR ASSISTANCE.)
8. VERIFY COOLER FLOW RATE. YES NO
PRESSURE ENTERING COOLER ________ psig (kPa)
PRESSURE LEAVING COOLER ________ psig (kPa)
COOLER PRESSURE DROP ________ psig (kPa)
Psig X 2.31 ft./psi = ________ ft of water
kPa X 0.334 m/psi ________ m of water
COOLER FLOW RATE ________ gpm (l/s) (See Cooler Pressure
Drop Curves from
Installation, Start-up and
Service Instructions)
Start and Operate Machine. Complete the Following:
1. COMPLETE COMPONENT TEST. YES NO
2. CHECK REFRIGERANT AND OIL CHARGE. YES NO
3. RECORD COMPRESSOR MOTOR CURRENT. YES NO
4. RECORD CONFIGURATION SETTINGS. YES NO
5. RECORD OPERATING TEMPERATURES AND PRESSURES. YES NO
6. PROVIDE OPERATING INSTRUCTIONS TO OWNER’S PERSONNEL. Instruction Time ________ hours.