Install Instructions

Installation and Operation Manual - VMH 30/36 SD Series
 Page 31 
Electrical and Gas Leak Checks
8
Electrical Safety Checks
After installation, confirm that all electrical wiring
is installed in accordance with local and national
regulations, and according to the Installation
Manual.
BEFORE TEST RUN
Check Grounding Work
Measure grounding resistance by visual detection
and with grounding resistance tester. Grounding
resistance must be less than 4.
Note : This may not be required for some
locations in the US.
DURING TEST RUN
Check for Electrical Leakage
During the Test Run, use multimeter to perform a
comprehensive electrical leakage test.
If electrical leakage is detected, turn off the unit
immediately and call a licensed electrician to find
and resolve the cause of the leakage.
Note : This may not be required for some
locations in the US.
WARNING – RISK OF
ELECTRIC SHOCK
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.
AFTER PERFORMING GAS LEAK CHECKS
After confirming that the all pipe connection
points DO NOT leak, replace the valve cover
on the outside unit.
Any detected leaks must be fixed prior to unit
operation.
Electrical and Gas
Leak Checks
ALL WIRING MUST COMPLY WITH LOCAL
AND NATIONAL ELECTRICAL CODES,
AND MUST BE INSTALLED BY A LICENSED
ELECTRICIAN.
Installation Manual - VMH 30/36 SD Series
31