Carrier GTR040-420 Dokumentacja Pobierz pdf (Strona 99)

CL-3

CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE

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III. Unit Start-Up

1. All liquid line valves are open. Ye s No

2. All discharge service valves are open.

Ye s No

3. All suction service valves are open.

Ye s No

4. All compressor mounting bolts loosened.

Ye s No

5. Leak check unit. Locate, repair and report any refrigerant leaks.

Ye s No

6. Voltage at terminal block is within unit nameplate range.

Ye s No

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

Is voltage imbalance less than 2%.

Ye s No

(DO NOT start chiller if voltage imbalance is greater than 2%.

Contact local Utility for assistance.)

8. 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)

*Variable cooler flow applications

Start and operate machine. Complete the following:

1. Complete component test.

2. Check refrigerant and oil charge. Record charge information.

3. Record compressor and condenser fan motor current.

4. Record operating data.

5. Provide operating instructions to owner’s personnel. Instruction time _______ hours.

Circuit A Circuit B

Refrigerant Charge

_________ __________

Additional charge required _________ __________

Oil Charge

Indicate level in sightglass of

compressors A1 and B1.

Additional charge required _________ __________

1 2 ... 94 95 96 97 98 99 100 101 102 103 104

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Carrier GTR040-420 Dokumentacja Strona 99

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