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Refrigerant Piping Connection
AFTER PERFORMING GAS LEAK CHECKS
points
DO NOT
leak, replace the valve cover
on the outside unit and wrap and insulate
the piping connections of the indoor unit.
8
WARNING – RISK OF
ELECTRIC SHOCK
BEFORE TEST RUN
DURING TEST RUN
Manual.
NOTE:
NOTE:
8
IF ELECTRICAL LEAKAGE IS DETECTED
Using a soft brush or spray bottle, apply a soapy
water solution to all of the pipe connection points of
the indoor and outdoor units, watching to see if any
bubbles form. The presence of bubbles indicates
there is a leak.
There are two different methods to check for
gaseous leaks. Please refer to the illustration below
for the areas to check for leaks.
Soap and Water Method
Leak Detector Method
If using a leak detector, refer to the device’s
operation/instruction manual for proper usage
instructions.
ALL WIRING MUST BE INSTALLED BY A
LICENSED ELECTRICIAN AND COMPLY WITH
LOCAL, STATE, AND NATIONAL ELECTRICAL
CODES.
Measure grounding resistance by visual detection
and with a grounding resistance tester. Grounding
resistance must be less than 0.1
Ω.
A: Low pressure stop valve
B: High pressure stop valve
C & D: Indoor unit flare nuts
Connection points of indoor unit to check for leaks
Connection points of
outdoor unit to check
for leaks
A
B
C
D
.
