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Post Installation Checks
Preparation Before Connecting The Power:
1. Power must not be connected if the installation work is not completed.
2. Verify the control circuit is correct and all the wires are firmly connected. Valves on the vapor and liquid
line should be completely open.
3. Remove any scattered objects, especially metal filing, thrum, and clip.
4. Ensure the unit’s appearance and piping system has not been damaged during transportation or handling.
5. Check for any loose terminals and ensure the phases are correct.
Operation After Connecting The Power:
1. If all the above steps are complete, power on the unit.
2. If there are any loud and/or abnormal sounds, turn off the unit and contact MRCOOL Tech Support
immediately.
3. Verify the unit operates normally under several modes.
Test Run
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