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HR M
ANUAL
2.11
Connecting the unit to the mains supply
Manual version 3.0 (10-10-2017)
2.10.3 Installing dirty filter warning lamp (accessory)
The b-touch control panel gives an alert if one of the filters is
dirty. If the control panel is not available or is hung out of
sight, a warning lamp must be installed.
Note:
n
During transport, the warning lamp is stored in the
electronics module.
1. Place the warning lamp in a position where it is visible.
2. Using a two-core cable, connect the lamp to terminal X3
1 of the electronics module, in accordance with
the wiring diagram.
Caution:
c
Keep the cable length to a maximum of 3 metres.
Note:
n
The positions of the + and – contacts in the lamp
are indicated by: + 28V -
2.11.1 Special points regarding the mains supply
Warning:
w
The unit must be earthed.
Warning:
w
The unit must be connected in accordance
with the applicable local requirements.
Caution:
c
For emergency situations and maintenance, it must
be possible to render the entire system electrically
dead.
Every unit has an isolation switch in order to render
the unit electrically dead in the event of emergency
situations and for maintenance.
en
I
NSTALLATION
en-25
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