Checking Gas Pressure; Firing For The First Time - Slant/Fin VGH-299-CH Installation And Service Manual

Checking gas pressure

Check the gas pressure available at the gas connection pipe of the boiler. Use the pressure nipple [3] of the gas
safety valve for this measurement. Picture 18-3 shows the position of the pressure nipple [3].
Min. and max. gas supply pressures:
p nom [inch W.C./ mbar]
Type of Gas
Natural gas
Propane
Table 17. 1

Firing for the first time

After the commissioning of the boiler and the described previous actions, the boiler display will show the
following graph.
This screen is active during power up and will remain active until communication with the main Control has
been established.
After communication has been established one of the following Status overview screens appears:
59.0 °F
Picture 17. 3 Central Heating only
The display describes:

The actual operation for heating or hot water

The temperature setting
100
p min [ inch W.C./ mbar]
7.0 / 17.4
11.0 / 27.4
Picture 17. 2
OR
176.0 °F
E93.1601EN032.C VGH installation manual
p max [ inch W.C./ mbar]
3.5 / 8.7
8.0 / 19.9
59.0 °F
Picture 17. 4
Central Heating
AND Domestic Hot Water
10.5 / 26.2
13.0 / 32.4