Installation Guide

Page 32mrcool.com
Testing
DOUBLE-CHECK PIPE CONNECTIONS
IF AMBIENT TEMPERATURE IS BELOW
63°F (17°C)
5. After the Test Run is successfully complete, and
you confirm all check points in List of Checks to
Perform have PASSED, do the following:
a. Using remote control, return unit to normal
operating temperature.
b. Using insulation tape, wrap the indoor
refrigerant pipe connections that you left uncovered
during the indoor unit installation process.
Fig. 9.1
Manual control button
During operation, the pressure of the refrigerant
circuit will increase. This may reveal leaks that
were not present during your initial leak check.
Take time during the Test Run to double-check
that all refrigerant pipe connection points do not
have leaks. Refer to Gas Leak Check section for
instructions.
You can’t use the remote controller to turn
on the COOL function when the ambient
temperature is below 63°F. In this instance,
you can use the MANUAL CONTROL
button to test the COOL function.
1.Lift the front panel of the indoor unit, and
raise it until it clicks in place.
2.The MANUAL CONTROL button is locat-
ed on the right-hand side of the unit. Press it
2 times to select the COOL function. See
Fig.9.1
3.Perform Test Run as normal.