Chiller Commissioning Checks

Updated: over a week ago

Chiller Commissioning Checks

Before Start-up

1. Have all the technicians and operators read and understood all manuals?


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2. Have all the technicians and operators read and understood all manuals for third party components?


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3. Has the unit installation and vibration damper adjustment been checked?


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4. Has functional testing of safety equipment been carried out?


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5. Are the opening pressures on all safety valves, correct?


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6. Has vacuum test been carried out?


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7. Have oil levels been checked?


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8. Has the heating element in the oil been on for 6-8 hours before start-up?


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9. Has a sample of the primary refrigerant been taken and checked to ensure it is free from water, air, etc.?


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10. Is the motor rotation direction correct?


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11. Is the coupling aligned?


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12. Is the compressor cooling connected correctly?


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13. Are there any leaks in the plant?


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14. Are valves in the correct position for operation?


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After Start-up

1. Is the capacity regulation system working correctly?


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2. Has the refrigerant charge (at full load) been checked?


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3. Has the unit been checked for vibrations?


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4. Has the unit been checked for vibrations using variable speed?


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5. Has a lubricating oil sample been collected after about 1 hour of operation and saved?


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Observations

1. Operation time (hours)


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2. Suction pressure (°C/R)


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3. Suction temperature (°C)


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4. Superheating, suction gas (K)


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5. Discharge pressure (°C/R)


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6. Discharge temperature (°C)


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7. Oil pressure, compressor (bar)


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8. Oil pressure, filter (bar)


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9. Oil temperature (°C)


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10. Oil temperature, separator (°C)


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11. Oil collection from shaft seal (ml)


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12. Oil level (0, 1/4, 1/2, 3/4, Full)


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13. Charged oil (Litre)


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14. Motor 1/1 load (amp.)


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15. Capacity load (%)


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16. Noise level


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17. Vibrations (0-100% capacity)


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18. Brine temperature, outlet - Evaporator (°C)


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19. Brine temperature, outlet - Condenser (°C)


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20. Refrigerant charge (Kg)


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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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