Boiler Wiring - Viessmann Vitoflex 300-UF Series Installation And Operating Instructions Manual

Vitoflex 300-UF Installation & Operating

Boiler Wiring

CAUTION
The Viessmann supplied field wiring diagram is not a
complete system drawing. It is the installer's responsibility
to assure that the control is suitable for the respective
installation, and all necessary safety equipment is installed.
CAUTION
Any alteration of the control cabinet will void the warranty.
- Lines arranged in metal pipe with minimum distance
of 6 in. (150 mm) to the base. Use support with cable
routing for light barrier. No support on base.
- Screw cable channel (metal design) onto the foot plate
on top of the boiler with minimum distance of b in.
(10 mm).
- Fasten cable channel (metal design) on casing with
minimum distance of c in. (20 mm).
- Cable channel (metal design) over entire width of boiler:
fastening on the bottom of the boiler jacket (it is not
water-bearing).
- Mount cable channel (metal design) with minimum
distance of 7c in. (200 mm) to the feed auger:
no support on the feed auger.
- Arrange lines in protective cable hose with sufficient
leeway to open and close the door (mind the door stop).
CAUTION
The information about wire type, wire number and wire
gauge made in the wiring diagrams is not obligatory. The
final decision of these settings has to be made by the
executing installation company taking into consideration
the local codes and regulations.
Operation
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