Mounting | UK
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8. Make the device connection according to
the connection diagram in the appendix
Observe the unit variant.
9. PPB 30 K/RC: If desired, connect a button
to start the exhaust air mode or intensive
ventilation function
Wiring diagrams in
appendix.
10. If connecting several PPB 30 K: Address
the units at the DIP switch
Connection
plans in Appendix
.
PPB 30 K unit #1
PPB 30 K unit #2
PPB 30 K unit #3
11. Fit electronics compartment cover and
screw down (2 screws).
12. Plug in plugs (8-pin) of both fan connect-
ing cables directly onto the board. The
plugs are coded and cannot be confused.
Insert connecting cables in intended slot in
housing. With PPB 30
K/RC
units, ensure
that the humidity sensor is not covered.
13.
Ensure that the two G3 air filters are cor
-
rectly inserted in the holders.
14. Attach front cover and swivel down until
the front cover engages at the two locking
levers.
9.6 230 V electrical connection
The two internal EC fans of the ventilation unit
are supplied with 12 V DC and activated using
a PWM signal (0 - 5 V). The power supply for
the ventilation units is provided by the room
air control for up to 6 fans (up to 3 PPB 30).
The room air control is supplied with 230 V AC.
Note the following safety instructions.
!
DANGER
Danger of electric shock.
Before installing the electrics, shut down all
supply circuits, switch off mains fuse, secure
against being accidentally switched back on
and position a visible warning sign. Note the
5 rules of safety.