Reflect-O-Ray
®
EDS-4DI & EHS-4DI
Installation, Operation & Service
Page 34
Combustion Research Corporation
GAS PRESSURE AT MANIFOLD
Natural Gas: 3.5" W.C. (High Fire)
LP Gas: 10.0" W.C. (High Fire)
1/2" NPT Gas Connector Size
BURNER ASSEMBLY ELECTRICAL RATING
115 VAC, 60 Hz., 0.9 amp
GAS INLET PRESSURE
Natural Gas: 5.0" Minimum 14.0" Maximum
LP Gas: 11.0" Minimum 14.0" Maximum
ALTITUDE
United States: 0 – 2,000 Ft. (
0 - 609 m
)
Canada: 0 – 2,000 Ft. (
0 - 609 m
) Inputs of 180K – 250k
0 - 4,500 Ft.
(0 - 1,370 m)
Inputs of 40k to 175K
1/8" NPT (3.2mm)
Manifold Pressure Tap
High Pressure (HI)
Manifold Adjustment
(Under Cap)
Inlet Pressure Tap
1/8" NPT (3.2mm)
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
7
6
5
4
3
2
1
7
6
5
4
3
2
1
3.5” W .C.
Natural Gas
10.0” W.C.
Propane Gas
•
Pressure Equivalents
1 in. W.C. = 0.58 oz/sq. in. or 2.49 millibars
MANIFOLD PRESSURE SETTINGS