Accessories
CO2 sensor
With a CO
2
-sensor installed externally or as an integral part of the unit, the fan speed can
be pre-programmed to run at higher levels when the extract air has high
CO
2. CO
2
level can
be programmed.
In the control system you can choose between humidity control and CO
2
sensor.
Electrical after-heating element
The electrical after-heating element, which is controlled in a binary fashion, is ready for
installation internally in the fan unit VPM.
Filter monitoring - Pressure transmitter
This displays the gradual pressure drop across the filter in the CTS control system. An
alarm indicates when the filter needs replacing at the final pressure drop that has been
preset in the CTS control system.
Humidity control
A humidity control system can be added to the unit to control ventilation according to the
relative air humidity in the extract air. This can be installed externally or be built into the
unit.
In the control system you can choose between humidity control and CO
2
sensor.
Handle with cylinder lock
If you want to be able to lock the service doors to the unit, you can purchase a handle with
a cylinder lock and key.
Pressure control
The motor for the extract and/or supply air fan can be controlled by one or two pressure
transmitters. These should be mounted in the extract and/or supply air duct.
The standard version is delivered with pressure transmitters and a 5 m cable, including
power supply.
VPM 600-2200 (English)
BY NILAN
15