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INSTALLATION INSTRUCTIONS
Step 5 - Final Check
Explaining Operation to the End User
• Using the User Manual, explain to the user how
to use the air conditioner/heat pump, (the remote
controller, adding/removing the air filters, placing
or removing the remote controller from the remote
control holder, cleaning methods, precautions for
operation, etc.)
• Review precautions for operation.
• Recommend that the user read the Operating
Instructions carefully.
Check Items for Test Run
No gas leak from linesets?
Are the linesets insulated properly?
Are the connecting wirings of indoor and outdoor
firmly inserted to the terminal block?
Is the connecting wiring of indoor and outdoor
fixed?
Is condensate draining correctly?
Is the ground wire securely connected? Is the
indoor unit securely fixed?
Is power source voltage correct according to local
code?
Is there any odd noise?
Does the cooling temperature drop between
20-30°F?
Does the heating temperature raise between
35-40°F?
Is the room temperature display accurate?
18
Verify Refrigerant Leak Sensor Function
When a refrigerant leak or other leak sensor related
error is detected, the indoor fan will turn on at
high speed, and the compressor on the outdoor
unit will turn off. These functions can be verified
by temporarily disconnecting the leak sensor from
the indoor unit and waiting up to 30 seconds for
the system response. The leak sensor connects
to connector CN3 on the indoor PCB (see section
C for reference). When the system is powered on
and the leak sensor is disconnected, the indoor unit
should display "Ac," turn on the fan at high speed,
and turn the compressor in the outdoor unit off.
When the system is powered off, the leak sensor is
disconnected, and the system is powered on, the
indoor unit should display "bA," turn on the fan at
high speed, and turn the compressor on the outdoor
unit off.
Software Notice
To ensure product is functioning optimally and with
the latest feature set, connect AC unit to WiFi and
update with latest software. Refer to Owner's Manual
on how to connect WiFi.
GACT17B wired controller (optional
accessory)
If installing a wired controller, use 18/2 stranded
wire and connect the wiring to connector CN1 on
the indoor unit PCB. See section C of Step 1 in this
manual for the location of CN1 on the PCB.
31-5001074 Rev. 0
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