Carrier 42HQG024 - Remote Control; Indoor Unit

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 Auto restart Mode
– When the power failure is happened during the system operating, the micro will memo-
rize the operation mode and the unit operates automatically according to the previous
operating mode after the power is recovered.
– Whenever the unit receives remote signal, the micom will memorize the following opera-
tion
• Power ON/OFF
• Operation mode
• Temperature setpoint
• Louver position
• Fan speed
 Cold draft function
– The system performs this function only in HEAT mode.
– If the indoor coil temperature is lower than
a certain level, then indoor fan motor runs at slow
speed regardless of user setting speed.
1) When the compressor stops,
Indoor fan moter runs at monitoring speed only.
2) When the compressor runs,
Indoor fan motor runs as follows.
(7) Address configuration
– According to input of selecting address configuration, this function configures custom
code of transmitted remote signal and processes it as input.
– Processable custom codes are displayed as follows.
Address configuration Processable custom code
A DCCA
B DCCB
– If user wants to use “B” address, adjust the slide switch to “B” in control PCB and
remote.
ADDRESS
PCB
RST TA
LR03(AM4)1.5V
LR03(AM4)1.5V
• Remote control
• Remove the lid of battery case.
• Assign the address switch of one remote
control as B.
• Press the RST button with a sharp object.
• Indoor unit
• Turn off the unit and pull out the power plug.
• Remove the front panel, terminal block cover and
frame grille.
• Pull out the PCB.
• Assign the address switch of one indoor unit as B.
Indoor Coil
temperature(
ϒC)
0 ϒC -3 ϒC 30 ϒC 37 ϒC 43 ϒC
OFF
Monitoring Speed
Setted Speed
Low