8 Installation and commissioning
13
Spring terminal
14
Circuit diagram
2. Connect power cable to the spring terminal →
Wiring diagrams.
3. Check position of cable grommet. It must be
well sealed.
8.6 Final mounting
NOTICE Danger of short-circuits and damage
to the unit. Humidity will penetrate if electron-
ics cover is not fitted correctly.
Press electronics cover firmly onto housing such
that it is sealed and flush all the way around.
When doing so, do not press setting buttons.
15
Manual ventilation button
1. Push the electronics cover onto the 3 locking
tabs at the housing recesses I, II and III until
the tabs engage. In addition, press the elec-
tronics cover firmly on to the housing at the
points indicated by the word "PRESS".
2. Insert the supplied internal combination sensor
into the connector socket in the correct posi-
tion (arrows).
H and KH: Do not touch/push on the mem-
brane on the flat side of the sensor wall,
otherwise it will be damaged.
3. Fit cover.
23