Unit installation

APPENDIX

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PRE -START- UP INSPECTION FOR INSTALLATION

Description Yes No

1. Ensure the presence of vibration isolators.

2. Check the flexible hose connections on chilled water lines.

3. Ensure the water flow switches are in correct locations.

4. Ensure that strainer is installed on chilled water line.

Ensure that balancing valves, globe valves, motorized valves etc are installed as per the

requirement.

6. Ensure the presence of pressure gauges, temperature gauges, flow meter whatever

applicable.

7. Ensure water flow switch and pump starter are interlocked with control circuit.

8. Ensure that the chilled - water pumps are of the recommended capacity (GPM, Head etc).

If there's more than one chiller installed, ensure proper space clearance between chillers and

controls inter-locking.

PRE - START- UP INSPECTION FOR EQUIPMENT

Description Yes No

1. Visual inspection of the equipment and accessories for damages during transportation /

installation.

2. Ensure that chiller power supply nameplate rating (voltage etc) meets with the requirements.

3. Ensure that UVM is installed and set it as per the design voltage.

4. Check and tighten all wiring in control panel.

5. Ensure that the control panels have proper schematic diagrams.

6. Ensure compressor mounting retainer brackets are removed and adjust the bolts.

7. Ensure that all the condenser fan motor propellers are tightened.

8. Check whether the temperature and pressure gauges are duly calibrated.

9. Check proper grounding of the unit.

PREPARATORY STEPS FOR START-UP

Description Yes No

1. Disconnect power supply to the unit.

2. Disconnect wires to the compressor motor for dry run test.

3. Ensure pressure switch settings are correct.

4. Switch on power to the control panel.

5. Check whether crankcase heater works.

6. Ensure correct direction of condenser fan motor rotation.

7. Set the temperatures on controller as per requirement.

8. Carry out dry run test.

9. Ensure that crankcase heater is kept energized for min. 24 hours.

START - UP AND COMMISSIONING CHECK LIST FOR CHILLERS