Viessmann Vitorond 100 VR1 Series Installation And Service Instructions Manual page 28

Beckett Burner Set-up
Electrical Connections (with Hydrostat 3250-Plus 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.
* If Beckett burner is being installed, cut this length to
6" for connection to burner junction box (located
under the burner primary control).
28
Burner wiring harness (supplied)
Vitorond 100, VR1-22 to -33 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.
(continued)