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24
INSTALLATION INSTRUCTIONS
ELECTRICAL AND GAS LEAK CHECKS
Electrical Safety Checks
After installation, confi rm that all electrical wiring is installed in accordance with local and national
regulations and according to the installation manual.
Check Grounding Work
Before completing a test run, measure grounding resistance by visual detection and with grounding
resistance tester. Grounding resistance must be less than 4.
Check for Electrical Leakage
During the test run, use an electroprobe and multimeter to perform a comprehensive electrical leakage test.
If electrical leakage is detected, turn off the unit immediately and call a licensed electrician to fi nd and
resolve the cause of the leakage.
WARNING
ALL WIRING MUST COMPLY WITH LOCAL
AND NATIONAL ELECTRICAL CODES
AND MUST BE INSTALLED BY A LICENSED
ELECTRICIAN.
Gas Leak Checks
There are two acceptable methods of checking 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 and
outdoor units. The presence of bubbles indicates a leak.
Leak Detector Method
If using a leak detector, refer to the device’s operation manual for proper usage instructions.
Note: After completing gas leak checks, confi rm that all piping connection points do not leak and make
sure to replace the valve cover on the outdoor unit.
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