Check Power Supply Connection; Select Appropriate Gas Type - Viessmann Vitodens 100-W WB1B Series Installation And Service Instructions Manual

Start-up, Inspection and Maintenance
Steps
(continued)
Start-up
Start-up
Start-up and Maintenance
Heating value (gross)
Specific gravity
Ultimate carbon dioxide (CO2)
58
1. Fill and vent heating system (continued)

2. Check power supply connection

3. Select appropriate gas type

Natural gas
3
Btu/ft 970 to 1100
0.57 to 0.70
% 11.7 to 12.2
Vitodens 100-W, WB1B Installation & Service
5. Check system pressure.
6. Ensure proper / adequate fuel supply exists.
Open gas shutoff valve.
Max. boiler operating pressure.......................45 psig
Min. boiler operating pressure...............14 to 23 psig
Pressure relief valve.....................................30 psig
A power module is supplied with the Vitodens 100-W
boiler, which requires a 120 VAC power supply.
The voltage at connector X3 must be 120 V (see wiring
diagram).
Neutral conductor
The electrical power supply must have a neutral conductor.
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
on page 91 entitled "Additional Information" in
this manual.
The Vitodens 100-W boiler is for use with gases whose
characteristics fall within the following ranges. Do not
use any other types of gas.
Liquid Propane gas
2466 to 2542
1.522 to 1.574
13.73 to 13.82
1. Verify that the fuel type listed on the boiler rating plate
is the correct type for the installation being attempted.
2. Once verified, record the fuel type in Maintenance
Record on page 98.