MrCool Advantage Series - Electrical & Gas Leak Checks; Electrical Safety Checks

mrcool.com27
8.2 Gas Leak Checks
There are two dierent methods to check for gaseous
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conrmingthattheallpipeconnection
points DO NOT leak, replace the valve cover
on the outside unit.
TEST RUN
9
Only perform test run after you have completed the
following steps:
; Electrical Safety Checks – Conrm that the electrical
system is safe and operating properly
; Gas Leak Checks – Check all are nut connections
and conrm that the system is not leaking
; Conrm that gas and liquid (high and low pressure)
valves are fully open
9.1 Before Test Run
9.2 Test Run Instructions
You should perform the Test Run for at least 30 minutes.
1. Connect power to the unit.
2. Press the ON/OFF button on the remote controller
to turn it on.
3. Press the MODE button to scroll through the
following functions, one at a time:
• COOL – Select lowest possible temperature
• HEAT – Select highest possible temperature
4. Let each function run for 5 minutes, and perform
each of the checks listed in the table to the right:
List of Checks to Perform PASS/FAIL
No electrical leakage
Unit is properly grounded
All electrical terminals properly
covered
Indoor and outdoor units are
solidly installed
All pipe connection points do not
leak
Outdoor (2): Indoor (2):
Water drains properly from drain
hose
All piping is properly insulated
Unit performs COOL function
properly
Unit performed HEAT function
properly
Indoor unit louvers rotate properly
Indoor unit responds to remote
control