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44
BEFORE TEST RUN
• Electrical Safety Checks
regulations, and according to the Installation Manual.
• Gas Leak Checks
•
• Check Grounding work - Measure grounding resistance by visual detection and with grounding
Note: This may not be required for some locations in the US.
DURING TEST RUN
1. Check for Electrical Leakage
During the Test Run, use an electro-probe and multimeter to perform a comprehensive electrical leakage
and resolve the cause of the leakage.
Note: This may not be required for some locations in the US.
A LICENSED ELECTRICIAN.
2. Gas Leak Checks
There are two different methods to check for gas leaks.
• Soap and Water Method
Using a soft brush, apply soapy water or liquid detergent to all pipe connection points on the indoor unit
and outdoor unit. The presence of bubbles indicates a leak.
• Leak Detector Method
If using leak detector, refer to the device’s operation manual for proper usage instructions.
• A
Check-point of indoor unit
Check-point of outdoor unit
A
B
C
D
A: Low pressure stop valve
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