CB HEATER CONNECTION KIT 2 3 PHASEV2

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Electric duct heater (control via relay)
5. Deactivate the internal supply air sensor: Service > Input > ANALOG >
ANALOG INPUT 2 > Supply Air Temp. Sensor (SAT) > Inactive
Input.
6. After sensor configuration is changed, select the analog input to which the
installed supply air temperature sensor (SAT) is connected (for example
AI5) and configure it as Supply Air Temp. Sensor (SAT).
1.3 Heater installed in the supply air duct (extra zone)
ECT
ECT
Installation and connection
1. Install an electric heater (ELH) at least 100 mm distance from the unit in
the supply air duct. A relay (RL) is used to control the heater. Connect relay
to any free digital output on the connection board (CB).
2. Connect the power supply to the electric heater via a relay. A circuit break-
er (BRK) is not included in the package and must be ordered separately. It
must be installed in the circuit.
3. Install a temperature sensor (ECT) after the electric heater and connect it
to any free analog input on the connection board (CB).
Supply air heater configuration
1. Go to Service menu
2. Enter password (default 1111)
3. Set the heater type: Components > Extra Controller > Extra Con-
troller Mode > Heating.
4. Configure connection of the heater. Go to Service menu. Select Output
menu. In next menu select DIGITAL tab. Select the digital output to which
the heater is connected. Example if it is connected to DO3 on the
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