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CL-2
Refrigeration System Check
1. ALL SERVICE VALVES ARE OPEN.
YES NO
2. ONLY BLEED TXV(S) ARE INSTALLED.
YES NO
3. ALL PIPING IS CONNECTED PROPERLY.
YES NO
4. FILTER DRIERS AND SIGHT GLASSES ARE INSTALLED NEAR THE TXV(S).
YES NO
5. THE SYSTEM HAS BEEN EVACUATED.
YES NO
6. THE SYSTEM HAS BEEN CHARGED WITH THE APPROPRIATE INITIAL CHARGE.
YES NO
7. EVAPORATOR FANS ARE TURNING IN THE CORRECT DIRECTION.
YES NO
8. EVAPORATOR FAN STATUS SWITCH IS OPERATIONAL.
YES NO
9. CRANKCASE HEATERS ARE OPERATIONAL AND HAVE BEEN ENERGIZED TO
REMOVE ANY LIQUID FROM THE COMPRESSORS.
YES NO
10. WATER HAS BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE.
YES NO
11. THE PROPER FILTERS HAVE BEEN INSTALLED.
YES NO
12. THE FAN AND MOTOR PULLEYS OF THE INDOOR FAN HAVE BEEN CHAECKED
FOR PROPER ALIGNMENT
YES NO
13. THE INDOOR FAN BELTS HAVE THE PROPER TENSION.
YES NO
14. THE CORRECT FAN ROTATION ON BOTH INDOOR AND OUTDOOR UNITS
HAS BEEND VERIFIED.
YES NO
15. THE LIQUID SOLENOID VALVES, IF INSTALLED, ARE NEAR THE EVAPORATOR.
YES NO
16. THE PIPING HAS BEEN CHECKED FOR LEAKS WITH A LEAK DETECTOR.
YES NO
LOCATE, REPAIR, AND REPORT ANY LEAKS________________________________________________
17. OIL IS VISABLE APPROXIMATELY
1
/
2
WAY IN THE SIGHT GLASS(ES)
OF THE COMPRESSOR.
YES NO
RECORD THE OIL LEVEL(S) ______________________________________________________________
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 =
v
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 UNIT IF VOLTAGE IMBALANCE IS GREATER THAN 2%.
CONTACT LOCAL UTILITY FOR ASSISTANCE.)
8. VERIFY EVAPORATOR FAN CFM.
YES NO