Table of Contents
Advertisement
Burner Pressure Adjustment – All Models
Gas Supply Pressure
Natural Gas
Min.
Max.
3.5" w.c.
14" w.c.
(0.7 kPa)
(3.3 kPa)
Data
Max Inlet gas pressure
Min Inlet gas pressure
Manifold Gas pressure Max Input
Manifold Gas pressure Min Input
Two sampling points are available at
top of the boiler, one for venting and
the other for combustion air.
To sample:
Open the air/vent outlet plug.
Insert probes all the way in.
Turn on TEST mode, wait 10 minutes
for boiler to stabilize;
Take measurement.
A Pressure point upstream
B Pressure point downstream
C Modureg electrical connection
D Protection cap
E Minimum pressure adjustment
F Modureg
G Minimum pressure adjustment
I Gas valve electrical connection
N Compensation tube
CCB150
10.5" w.c.
3.5" w.c.
5.12" w.c.
0.59" w.c.
CHB130
CHB100
10.5" w.c.
10.5" w.c.
3.5" w.c.
3.5" w.c.
4.72" w.c.
4.72" w.c.
0.59" w.c.
0.59" w.c.
Advertisement
Table of Contents
