HTW IX39B5 Serie Manuel D'installation page 83

SPLIT 1X1 IX39B5
DOUBLE-CHECK THE PIPE CONNECTIONS
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.
5. After the Test Run is successfully completed, 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.
IF AMBIENT TEMPERATURE IS BELOW 17ºC (63ºF)
You can't use the remote controller to turn on the COOL function when the ambient temperature is
below 17°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 until it clicks in place.
2. The MANUAL CONTROL button is located on the right-hand side of the unit. Press it 2 times to
select the COOL function. See Fig..8.1
3. Perform Test Run as normal.
Manual control button
Fig. 8.1
INSTALLATION MANUAL
9. TEST RUN
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