Selecting The Addresses Of The Units; Emergency Operation - Carrier 42XQ Series Installation And Start-Up Instructions Manual

8.7

Selecting the Addresses of the Units

If the two indoor units are being installed in the same room and it is desired that they should
operate independently, it is necessary to provide an individual address for each unit, so that
each of them can function by means of its own remote control.
Configuring the Unit
• Press the button
at least 5 seconds.
• The clock digits show the first configuration item (rAdr = remote address) and
the temperature digits indicate the default value of the respective configuration
item (Ab = control of both indoor units).
• Press the button
• Press the button
Configuring the remote control
• Press the button
seconds.
• The clock digits show the first configuration item (CH = remote address) and the
temperature digits show the default value of the respective configuration item
(Ab = control of both indoor units).
• Press the buttons
• Press the button
• Press the button
8.8

Emergency Operation

The emergency button (see Fig. 31) may be used in the event that the wireless remote
control does not work (for example, if the batteries are discharged or the remote control is lost).
To activate emergency mode, keep the emergency button pressed down for at least 5 seconds.
Fig. 31
With emergency mode activated, the unit maintains the ambient temperature at 22
as the following conditions:
• Operating mode: automatic;
• Fan speed: automatic;
• Airflow direction vanes: automatic;
• Timer mode: deactivated.
To deactivate emergency mode, keep the emergency button pressed down for at least 5
seconds (if the problem with the latter has been solved).
and the remote control and keep them pressed down for
to send the new configuration to the unit.
to exit the configuration menu.
and the remote control and keep them pressed down for at least 5
or to change the default value (Ab) to the new value (A) or (b).
to send the new configuration to the unit.
to exit the configuration menu.
o
C as well
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