Carrier ComfortLink 30GXN - Page 133

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Condenser Water System Check (30HXC Only)
1. All condenser water valves are open.
 Ye s  No
2. All piping is connected properly.
 Ye s  No
3. All air has been purged from the system.
 Ye s  No
4. Condenser water pump is operating with the correct rotation.
 Ye s  No
5. Condenser water pump controlled by chiller.
 Ye s  No
6. Inlet piping to condenser includes a 20 mesh strainer.
 Ye s  No
7. Condenser water flow switch installed. (Required for 30HXC Brine.)
 Ye s  No
8. Condenser water flow switch configured and operational.
 Ye s  No
9. Condenser water control valve installed.
 Ye s  No
(Separate control power required.)
Remote Condenser System Check (30HXA Only)
1. All refrigerant piping is connected properly.
 Ye s  No
2. Equalizer line is installed from motor cooling line to back-pressure valve.
 Ye s  No
3. Liquid line filter driers installed.
 Ye s  No
4. Liquid line solenoid valves installed.
 Ye s  No
5. R-134a fan cycling pressure switches installed (09DK).
 Ye s  No
6. Refrigerant piping and condenser have been leak checked and evacuated.
 Ye s  No
III. Unit Start-Up
1. All liquid line valves are open.  Ye s  No
2. All discharge valves are open.
 Ye s  No
3. All suction service valves are open (if equipped).
 Ye s  No
4. All oil line valves are open.
 Ye s  No
5. Chilled water flow switch is operational.
 Ye s  No
6. Leak check unit. Locate, repair and report any refrigerant leaks.
 Ye s  No
7. Voltage is within unit nameplate range.
 Ye s  No
8. 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%.
 Ye s  No
(DO NOT start chiller if voltage imbalance is greater than 2%.
Contact local Utility for assistance.)
9. Verify cooler flow rate (maximum and minimum)
 Ye s  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
Maximum cooler flow rate _____ gpm (l/s) (See Cooler Pressure Drop Curve)
Minimum cooler flow rate _____ gpm (l/s) (See Cooler Pressure Drop Curve)