Manifold Gas Pressure Adjustment - andrews Fastflo WHC56 Service Manual

Manifold Gas Pressure Adjustment

NOTE:
* Use the following procedure to adjust the manifold gas pressure only if it can be done with a
high flow rate through the unit.
(1) With a manometer or pressure gauge connected to the manifold pressure
tap, press and hold the maximum pressure set button. Use the manifold
pressure increase and decrease buttons to adjust to the correct pressure.
(2) Press and hold the minimum pressure set button. Use the
manifold pressure increase and decrease buttons to
adjust to the correct pressure.
(3) Repeat steps (1) and (2) until both are at the correct pressure.
Maximum and Minimum Burner Setting Pressure
Category
Model Name
2H
WHC56
2L
2E +
Please check the Gas Category on the Data Label, before setting.
Burner Setting Pressure (mbar)
Supply Pressure
(Front Cover off)
(mbar)
Max Value
20 9.4
25 9.3
9.3
20 / 25
Min Value
2.6
2.5
2.5
– 24 –
Manifold Pressure
Increase Button
Manifold Pressure
Decrease Button
Minimum Pressure
Set Button
Maximum Pressure
Set Button
Circuit Board