Address Switch; Guide For The Owner; Accessories - Carrier 42HQM Series Installation Manual

42HQM
Address switch, guide for the owner and accessories
MODE
AUTO
COOL
DRY
HEAT
ON
1
GB - 12
EMERGENCY
TEMP. FAN
AUTO
QUIET
Hr.ON OFF
TEMP.
2

Address switch

PCB (Printed
circuit board)
Address switch
If you are installing two indoor units in the same room, it is
necessary for you to assign a different address to the second unit,
so each unit can be operated by its own remote control.
One address switch is located on the infrared remote control and
the other is on the electronic board.
The two address switches are set to ON when you purchase the
unit.
To change the address:
1. Remote control
- With a sharp object push the button
appear on the remote control display).
- Push the operating mode MODE button, holding the button
pressed as shown (the indicator of unit B will appear as selected
on the remote control display).
- Check that the indoor unit operates with this setting of the remote
controller.
2. Indoor unit
- Turn the unit OFF and disconnect the power supply.
- Remove the front grille, terminal block and front cover.
- Locate the two address switch on the electronic board (close to
the emergency button).
- Set both switches to OFF.
Replace front cover, terminal block cover and front grille.
Reconnect power supply and verify the operation of the remote
control with the new configuration.

Guide for the owner

When installation and tests are completed explain the Operation
and Maintenance Manual to the owner, with particular attention to
the main operating modes of the air conditioner, such as:
• Turning the unit on and off.
• Functions of the remote control.
• Removal and cleaning of the air filters.
Leave the two installation manuals for the indoor and outdoor units
with the owner for future use during maintenance operations or for
any other needs.
Table IV : Accessories
Description
Active carbon filter and
passive electrostatic filter
CHK
as indicated ("00" will
CHK
42HQM
Part number
009-012
42HWG9100