Choosing The Room Temperature Setpoint; Increasing Or Decreasing The Water Temperature; Selecting Comfort Mode, Eco Mode Or Antifreeze Mode; Configuring Eco Room Temperature Setpoint - Carrier Conex II Benutzerinformation

Operation

Choosing the room temperature setpoint

Press the up and down keys until the corresponding code is
displayed (please refer to the product manual), then press
the (+) or (-) keys to select the desired temperature.
See fig. 5

Increasing or decreasing the water temperature

Press the up and down keys until the corresponding code is
displayed (please refer to the product manual), then press
the (+) or (-) keys to select the desired water temperature
correction.
See fig. 6
Selecting Comfort mode, ECO mode or Antifreeze
mode
Press the up and down keys until the corresponding code is
displayed (please refer to the product manual), then press
the (+) or (-) keys to select the desired mode.
See fig. 7
In Confort mode the system will operate to reach the
desired room setpoint.
In ECO mode the room setpoint is reduced (see next
paragraph).
In Antifreeze mode heating is activated to prevent room
and water from freezing.

Faults and Alarms

In case there is any fault or alarm in the system, the Conex
II user interface displays a triangle and a description of the
problem.
In case there is more than one fault or alarm, all the
descriptions are displayed sequentially.
Faults and alarms are product specific; please refer to the
product manual.
Example
See fig. 9
The fault code is DEF CDU 0200

Configuring ECO room temperature setpoint

Press the up and down keys until the corresponding code is
displayed (please refer to the product manual), then press
the (-) or (+) keys to select the desired setpoint reduction.
These setting is only available for heating.

Only auxiliaries ON setting

Press the up and down keys until the corresponding code is
displayed (please refer to the product manual), then press
the (+) or (-) keys to select the desired setting (YES/NO).
See fig. 8
YES: in case of outdoor unit fault, the auxiliary heaters turn
on to meet the heating duty.
NO: in case of outdoor unit fault, the auxiliary heaters don't
turn on.
If YES is selected, comfort is better, as in case of outdoor
unit fault, the system can still operate.
However it is advised to check frequently the display,
in order to avoid meeting the entire heating duty with
auxiliary heaters for a long time.
Conex II 5