Functions of additional circuit boards

Functions of additional circuit board 1

There is a ZP1 or ZP2 slot on the control console for optional additional circuit boards. Installation is as described in the accessories instructions.
DIP switch setting options (only 1 function can be set). Brine EHE, zone ventilation, 3-way air shutter or supplementary heating.

Functions of additional circuit board 2

There is a ZP1 or ZP2 slot on the control console for optional additional circuit boards. Installation is as described in the accessories instructions.

DIP switch setting options (only 1 function can be set).

• Pressure constants for controlling the fans.

• Filter monitoring via pressure measuring sensor.

Supplementary heating control

CAUTION! Incorrect installation will result in unit damage. If supplementary heating is selected, the power supply for the component should be switched via an external relay.

CAUTION! Unit damage from incorrectly connecting the power supply. The load current must be provided via an external supply. The load current must not be switched via the main board.