Boiler Wiring - Viessmann VITOGAS 100 GS1 series Installation Instructions Manual

Connections Connections
Electrical Connections

Boiler wiring

6.
4.
12
(continued)
1.
3.9 x 4.5
3.9 x 4.5
2.
5.
1
3.
For detailed information
regarding connections on control
base, see Installation
Instructions for Boiler Control.
IMPORTANT
The power supply cable is shipped with
the boiler control.
1. Open strain reliefs located on rear
panel.
2. Channel power supply cable or
Power/Pump Module cable (for
Vitotronic 200/300) and all other 120
VAC cabling through strain reliefs
toward the boiler control.
3. Channel low voltage cables (i.e.
sensor cables) through cable opening
toward boiler control.
4. For vent damper installations the
boiler is shipped with a 10 ft. / 24 V
vent damper cable. The female end
of the Molex connector of the vent
damper with the strain relief comes
factory channeled through the cable
opening.
5. Coil excess cabling and tuck between
side panel and insulation.
6. Close strain relief and tighten
screws.
7. Mount top panel and fasten using
screws.
WARNING
Do not allow any electrical wires or
conduits to touch the draft hood,
vent pipe, or water piping.
WARNING
Always route all cables and capillaries
between nylon-backed insulation and
metal enclosure panels. Never allow
cables and capillaries to come in
direct contact with metal pressure
vessel!