Viessmann VITODENS 200 Start-Up/Service Instructions page 8

Start-up and Service
Fill Heating System with Water
Check Power Supply Connection
IMPORTANT
In Canada all electrical wiring is to be done in accordance
with the latest edition of CSA C22.1 Part 1 and/or local
codes. In the U.S. use the National Electrical Code ANSI/
NFPA 70. The heating contractor must also comply with
both the Standard for Controls and Safety Devices for
Automatically Fired Boilers, ANSI, ASME CSD-1.
Note: The outer conductor "L " and the neutral conductor
"N" must not be interchanged.
See wiring diagram in section entitled "Additional
Information" in this manual.
8
(continued)
Water flow
Air vent
5. Check system pressure and open ball valve E.
6. Shut off the boiler from the heating system on
heating water side (close shutoff valve C).
7. Connect drain hose to drain valve B or D.
8. Open drain valve B or D and vent the boiler with
system pressure until noise due to the presence
of air is eliminated.
9. Close drain valve B or D and open ball valve C.
10. Check system pressure.
11. Ensure proper/adequate fuel supply exists.
Open gas shutoff valve.
A power module is supplied with the Vitodens 200 boiler,
which requires a 120VAC power supply from a wall
receptacle.
The module contains a 120/230 VAC step-up transformer
to power the Vitodens 200 with 230 VAC. Refer to the
Installation Instructions shipped with the module for
wiring details and/or Installation Instructions of the boiler.
Voltage range
The voltage at connector fÖ must be 230V (see wiring
diagram).
Neutral conductor
The electrical power supply must have a neutral conductor.
Vitodens 200 WB2 Service