Humidity Sensor (Xcell 400 Qvi Model Only) - Xpelair Xcell 400 QV Installation And Operating Instructions Manual

7.8 Humidity sensor (Xcell 400 QVI model only)

German translations from the PCB:
- Rauchmelder – Smoke Detector
- Feuchtesensor – Humidity Sensor
- CO Sensor – CO
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- Eingänge 24V – 24V DC Inputs
- EIN – Input
- Ausgänge 24V – 24V DC Outputs
- AUS – Output
The Connection PCB is situated under a metal Cover Plate on top of the MVHR.
Remove the four fixing screws to remove the Cover Plate.
Ensure all cables are fitted to the PCB via the rubber grommets also located on top of the MVHR.
When all connections have been made, replace the Cover Plate and secure with the four fixing screws provided.
Note:
1. When a Humidity Sensor is connected to the PCB, the link wire between RM and RM must not be removed.
2. When a Humidity Sensor is connected to the PCB, the link wire between EIN_0 and EIN_1 must be
removed.
3. After the initial installation or once the power is restored following a power loss, the MVHR will only become
operational by pressing the manual re-set switch, if fitted, see note below.
a. A manual re-set switch is only required if no other switch is fitted together with the Humidity Sensor
shown above. See section 6.6 for the range of automatic switch accessories available for the Xcell
400 QVI MVHR.
Sensor
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