1.96
Climate Controller Type 148941 / Type 148942 / Type 148943 / Type 148944
Operation manual
11
5.3.3 Temperature setting, relative value
The temperature setpoint is inputted from the default view using keys (5) and
(6).
Do not perform an operation on the Climate Controller for 3 seconds to call
up the default view.
The temperature control is stored as a base setpoint (factory setting: 22°C).
Starting from the base setpoint, the control setpoint can be raised or lowered
by an offset (factory setting: 3K). The increment is 1 Kelvin.
5.3.4 Temperature setting, absolute value
The temperature setpoint is inputted from the default view using keys (5) and
(6).
Do not perform an operation on the Climate Controller for 3 seconds to call
up the default view.
The temperature control is stored as a base setpoint (factory setting: 22°C).
This base setpoint value can be raised or lowered within a defined range
(factory setting: 8-35°C). The increment is 1 Kelvin.
6 Alarm Messages
The Climate Controller displays the alarms listed in the following table in the
event of a fault. They appear on the main display according to their priority.
The alarms can be generated by the Climate Controller or by corresponding
activation and parametrisation of the digital inputs.
Code
Alarm message
Priority
A11
Faulty control sensor
1
A12
Motor fault (local stop)
2
A13
Room frost protection
3
A14
Condensation alarm
4
A15
General alarm
5
A16
External sensor faulty
6
A17
Unit frost protection
7
6.1 Troubleshooting
6.1.1 A11 Control sensor faulty
The room temperature is regulated on the selected control sensor. Depending
on the configuration, the external room sensor/intake sensor or the internal
room temperature sensor may be faulty.
Cause:
The internal or external temperature sensor measures a temperature
≥ 90°C or the input has shorted.
Effect of this alarm:
The fan is switched off and the valves close
