Carrier GEMINI 38APS025-065 Installation Instructions Manual page 130

Refrigeration System Check
1. ALL SERVICE VALVES ARE OPEN.
2. ONLY BLEED TXV(S) ARE INSTALLED.
3. ALL PIPING IS CONNECTED PROPERLY.
4. FILTER DRIERS AND SIGHT GLASSES ARE INSTALLED NEAR THE TXV(S).
5. THE SYSTEM HAS BEEN EVACUATED.
6. THE SYSTEM HAS BEEN CHARGED WITH THE APPROPRIATE INITIAL CHARGE.
7. EVAPORATOR FANS ARE TURNING IN THE CORRECT DIRECTION.
8. EVAPORATOR FAN STATUS SWITCH IS OPERATIONAL.
9. CRANKCASE HEATERS ARE OPERATIONAL AND HAVE BEEN ENERGIZED TO
REMOVE ANY LIQUID FROM THE COMPRESSORS.
10. WATER HAS BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE.
11. THE PROPER FILTERS HAVE BEEN INSTALLED.
12. THE FAN AND MOTOR PULLEYS OF THE INDOOR FAN HAVE BEEN CHAECKED
FOR PROPER ALIGNMENT
13. THE INDOOR FAN BELTS HAVE THE PROPER TENSION.
14. THE CORRECT FAN ROTATION ON BOTH INDOOR AND OUTDOOR UNITS
HAS BEEND VERIFIED.
15. THE LIQUID SOLENOID VALVES, IF INSTALLED, ARE NEAR THE EVAPORATOR.
16. THE PIPING HAS BEEN CHECKED FOR LEAKS WITH A LEAK DETECTOR.
LOCATE, REPAIR, AND REPORT ANY LEAKS________________________________________________
17. OIL IS VISABLE APPROXIMATELY
OF THE COMPRESSOR.
RECORD THE OIL LEVEL(S) ______________________________________________________________
III. Unit Start-Up
1. COMPRESSOR OIL LEVEL IS CORRECT.
2. VERIFY COMPRESSOR MOUNTING BOLT TORQUE IS 10-14 FT-LB. (13.5-18.9 N-M).
3. LEAK CHECK UNIT. LOCATE, REPAIR AND REPORT ANY REFRIGERANT LEAKS.
4. VOLTAGE IS WITHIN UNIT NAMEPLATE RANGE.
5. CONTROL TRANSFORMER PRIMARY CONNECTION SET FOR PROPER VOLTAGE.
6. CONTROL TRANSFORMER SECONDARY VOLTAGE =
7. CHECK VOLTAGE IMBALANCE:
AVERAGE VOLTAGE =
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =
VOLTAGE IMBALANCE = ____________% (MAX. DEVIATION/AVERAGE VOLTAGE) X 100
VOLTAGE IMBALANCE LESS THAN 2%.
(DO NOT START UNIT IF VOLTAGE IMBALANCE IS GREATER THAN 2%.
CONTACT LOCAL UTILITY FOR ASSISTANCE.)
8. VERIFY EVAPORATOR FAN CFM.
1 / WAY IN THE SIGHT GLASS(ES)
2
A-B A-C
(A-B + A-C + B-C)/3
CL-2
v
B-C
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO
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YES NO