Electrical Connections (With Vitotronic Control) - Viessmann Vitorond 100 VR1 Series Installation And Service Instructions Manual

Riello Burner Set-up

Electrical Connections (with Vitotronic control)

40
Vitorond 100, VR1-22 to -33 Installation and Service
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.
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.
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.
Room thermostat wiring
1. Install thermostat on inside wall away from influences
of drafts, hot or cold water pipes, lighting fixtures,
television, sun rays or fireplaces.
2. 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.