Pioneer WYT Inverter Series Installation & User Manual page 39

Electrical/Gas Leak Check and Test Run
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 or with a grounding resistance tester.
Grounding resistance must be less than 4Ω.
Note: This may not be required in some locations.
DURING TEST RUN
Check for Electrical Leakage

During the Test Run, use an electroprobe and

and multi-meter 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 in some locations.
WARNING – RISK OF
ELECTRIC SHOCK
ALL WIRING MUST COMPLY WITH
LOCAL AND NATIONAL ELECTRICAL
CODES, AND MUST BE INSTALLED BY
A LICENSED ELECTRICIAN.
GAS LEAK CHECKS
There are 2 methods to check for gas leakage:
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.
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