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Burner Set-up
Electrical Connections (with Vitotronic control)
WARNING
Electric shock hazard. Can cause severe personal injury
or loss of life if power source, including service switch
on boiler, is not disconnected before installing or servicing.
30
Vitorond 100, VR1 22 to 33, 91 to 140 Installation and Service
Installations must follow these codes
and requirements:
- National Electrical Code, ANSI/NFPA 70, latest edition
and any addtional national, state or local codes.
- In Canada, CSA C22.1 Canadian Electrical Code Part 1
and any local codes.
- Wiring must be N.E.C. Class 1. If original wire as
supplied with boiler must be replaced, type 105°C
wire or equivalent must be used. Supply wiring to boiler
and additional control wiring must be 14 ga. or heavier.
- Provide electrical ground at boiler as required by codes.
Burner wiring
IMPORTANT
The Beckett GeniSys 7505P or Carlin 70200 primary
control with valve-on delay (pre-purge) and burner motor-
off delay (post-purge - factory default settings can be field
adjusted), requires a constant 120VAC power source
supplied to the BLACK wire on the control.
Refer to the Carlin burner supplement for
additional control functions.
The cover mounting plate is not a conduit connection
point. Pass conduit and attached connector through the
front opening in the mounting plate or through one of the
knockouts on either side of the cover and attach it directly
to the burner-mounted 4x4 electrical junction box.
Electrical connections
1. Run the fA plug-in connector cable of the Vitotronic
control down behind the front panel of the boiler
and out through the bottom.
2. Connect the female fA plug of the burner to the male
fA plug of the Vitotronic control.
See page 34 and 35 for details.
Room thermostat wiring
Install thermostat on inside wall away from influences of
drafts, hot or cold water pipes, lighting fixtures,
television, sun rays or fireplaces.
Follow instructions supplied with room thermostat.
If it has a heat anticipator, set heat anticipator in
thermostat to match power requirements of equipment
connected to it. Boiler wiring diagrams give setting for
standard equipment.
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