13
Test Run
13.1 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 the following checks:
List of checks to
perform
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
Water drains properly from
drain hose
All piping is properly insulated
Unit performs COOL function
properly
Unit performs HEAT function
properly
Indoor unit louvers rotate
properly
Indoor unit responds to remote
controller
Double-check pipe connections
During operation, the pressure of the refrigerant
circuit will increase. This may reveal leaks that
54 / 324 EN
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.
5. After the Test run is successfully completed,
Pass/Fail
If ambient temperature is below 16°C (60°F)
You can't use the remote controller to turn on the
COOL function when the ambient temperature
is below 16°C. 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
Outdoor
Indoor
2. The Manual control button is located on the
(2):
(2):
3. Perform Test Run as normal.
and you confirm that all checks 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.
until it clicks in place.
right-hand side of the unit. Press it 2 times to
select the COOL function.
Manual control button
Split type air conditioner / User Manual