Sterling AquaSnap 30RA010-055 User 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.