Wayne LC2300M Manual page 17

(Siemens VGD 1" Double Valve Body with SKP15 and SKP25 Regulators)
Firing Combustion
Rate Air Shutter
(1000's
Setting (0-
Btu/hr)
57
110
250
550
1000
1400
1800
2000
2300
*For all firing rates above, a yellow spring, part # 1000176 (provided) is used.
NOTES ON TABLES:
• Combustion Air Shutter Setting is the position of the air shutter from 0 to 90 degrees.
• O
% is the percentage of oxygen measured in flue products.
2
• Manifold Pressure is the gas pressure measured from the pressure tap on the back of the
SKP25 regulating gas valve. (Figure 8 ahead)
• Minimum Inlet Pressure is the minimum gas supply pressure to the gas train necessary to
obtain the desired flow rate. Inlet supply pressures up to 48 in w.c. are permitted.
63899-002 Rev. A 3/20/2024
Table 2: LC2300M with 1 ½' Gas Line - L.P. Gas
Butterfly
Valve Gas
Actuator
Setting (0-
90*)
90*)
0 1.8
0 4.0
5 6.8
26.5 12.1
42.5 17.5
57 20.9
68 23.5
82.5 26.8
90 30
Manifold
Pressure
O (%)
2
Inch of
Water
3-4 9
3-4 9
3-4 9
3-4 9
3-4 9
3-4 9
3-4 9
3-4 9
3-4 9
Dimension
Minimum Inlet
Pressure
Inch of Water
(Figure 6)
(Burner Running)
10
10
10
10
10
10
10
10
10
"A"
Setting
3-3.25"
3-3.25"
3-3.25"
3-3.25"
3-3.25"
3-3.25"
3-3.25"
3-3.25"
3-3.25"
17