D301362 Issue 0 October 2021
Page 6 of 40
Nominal Combustion Values with Service Door Closed – Photon-P
This table replaces the Nominal Combustion Values table given on page 25 of the Photon
Installation Manual
Model
25-P
35-P
45-P
55-P
65-P
70-P
100-P
120-P
CO2 at High Fire (Throttle) G31
%
9.80
9.90
9.80
9.90
9.90
9.70
9.70
9.80
CO
ppm
< 50 ppm
Throttle turns from closed
3.0 out
3.25
out
4.5 out
4.75
out
5.25
out
4.75
out
24.0 in
24.5 in
CO2 at Low Fire (Offset) G31
%
9.00
9.00
9.00
9.00
9.00
9.00
9.00
9.00
CO
ppm
< 50 ppm
Low Fire Offset Pressure (G31)
Pa
35
47
70
76
99
104
6
9
Flue Gas Temperature High Fire
ΔT
°C
179.2
186.4
189.2
149.6
178.5
163.5
181.9
155.8
Flue Gas Temperature Low Fire
ΔT
°C
86.2
87.8
88.0
62.2
89.2
79.3
77.8
73.9
Flue Pressure at Maximum Flue
Resistance
Pa
70
10
19
18
11
14
23
6
Thermal Efficiency High Fire NCV
%
90.9
90.6
90.4
92.6
91.1
91.6
90.7
92.1
Thermal Efficiency Low Fire NCV
%
95.5
95.4
95.4
96.8
95.3
95.8
95.9
96.1
Ignition Controller Program Key
Ω
3,300
4,700
6,800
10,000
15,000
22,000
33,000
56,000
Gas Valve Orifice Size
mm
4.4
5.2
6.0
6.8
6.8
6.8
7.4
7.4
Maintenance Schedule - Propane
This information must be read in addition to the information given on page 33 of the
Photon Installation Manual under the heading Maintenance Schedule
PHOTON-P models have an orifice fitted between the gas valve and venturi. This orifice should be retained and refitted
when replacing the gas valve or venturi to ensure correct appliance operation.
Propane gas valve orifice
Содержание PHOTON-P
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