Noritz NR50-OD - Manifold Gas Pressure Adjustment for NCC199, NRC111, NR111, NC250, N-0931 M Series; NCC199, NRC111, NR111, NC250, N-0931 M Series Pressure Adjustment; NCC199, NRC111, NR111, NC250, N-0931 M Series Pressure Values

86
<NCC199 (-SV,-DV) / N-0841MC (-DV) / NRC111 (-SV,-DV) / N-0842MC (-DV),
NR111 (-SV,-OD,-DV) / NC250 (-SV,-DV)-ASME / N-0931M (-OD,-DV)>
Manifold Gas Pressure Adjustment
Circuit Board
1.04
0.92
1.12
0.96
3.43
4.33
3.66
4.70
Max. value
Cover O
Manifold Pressure
(inch H2O)
Min. valueMin. valueMax. value
NCC199-DV
NRC111-DV
N-0841MC-DV
N-0842MC-DV
1.00
0.75
4.35
3.35
LPG
11.0
NG
7.9
Increase Button
Manifold Gas Pressure
Decrease Button
Minimum Manifold
Pressure Set Button
Maximum Manifold
Pressure Set Button
Manifold Gas Pressure
1.00
0.85
3.95
3.05
Cover On
Manifold Pressure
(inch H2O)
Note 1)
Note 2)
(1)
(2)
(3)
pressure.
Repeat steps (1) and (2) until both are at the correct
(inch H2O)
Pressure
Supply
11.0
7.9
Model Name
NCC199-SV
NRC111-SV
N-0841MC
N-0842MC
LPG
NG
Gas Type
the correct pressure.
the "Manifold Gas Pressure Increase and Decrease Buttons" to adjust to
tap, press and hold the "Maximum Manifold Pressure Set Button". Use
With a manometer or pressure gauge connected to the manifold pressure
Decrease Buttons" to adjust to the correct pressure.
Button". Use the "Manifold Gas Pressure Increase and
Press and hold the "Minimum Manifold Pressure Set
Manifold Gas Pressure Maximum and Minimum Values
through the unit.
Use the following procedure to adjust the manifold gas pressure only if it can be done with a high ow rate
front cover on).
the value of "Cover O" in the table (because it is not possible to adjust the manifold gas pressure with the
When the manifold gas pressure is adjusted, the front cover will be o. Adjust the manifold gas pressure to
DOWN
UP
0.94
0.87
0.98
0.91
0.94
0.75
3.46
3.15
4.37
3.65
3.45
4.02
Max. Value
Cover O
Manifold Pressure (inch H
2O)
Min. ValueMin. ValueMax. Value
NR111-DV
NC250-DV-ASME
N-0931M-DV
NR111-OD
N-0931M-OD
0.75
0.75
4.00
3.25
LPG
11.0
NG
7.9
0.75
0.75
0.70
0.80
3.40
4.00
2.75
3.20
Cover On
Manifold Pressure (inch H
2O)
(inch H
2O)
Pressure
Supply
11.0
7.9
11.0
7.9
Model Name
NR111-SV
NC250-SV-ASME
N-0931M
LPG
NG
Gas Type
LPG
NG
Manifold Gas Pressure Maximum and Minimum Values
Please check the latest burner specication table.
* Manifold gas pressure values are subject to change without prior notice.