Page No 8 of 52 Reznor, Photon, Installation Manual, EN 2024-01, D301310 Iss 5
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Technical Data
Model PHOTON 10 20 25 35 45 55 65 70 100 120
Combustion Air and Flue Type
1
B23 / B53 / C13 / C33
Heat Input High Fire (HS)
2
kW
11.28 22.50 32.40 38.80 51.60 64.80 77.40 86.00 119.00 144.00
Heat Input Low Fire (HS)
2
kW
5.64 10.85 17.82 19.20 26.83 29.16 42.57 47.30 59.50 73.80
Heat Input High Fire (HI)
3
kW
10.16 20.27 29.19 34.95 46.49 58.38 69.73 77.48 107.21 129.73
Heat Input Low Fire (HI)
3
kW
5.08 9.77 16.05 17.30 24.17 26.27 38.35 42.61 53.60 66.49
Heat Output High Fire
kW
9.34 18.39 26.54 31.68 42.24 53.46 63.59 71.25 97.87 120.16
Heat Output Low Fire
kW
4.90 9.39 15.37 16.65 23.18 25.18 36.74 40.84 51.52 64.21
Gas Consumption High Fire (HS) G20
4
m
3
/h
1.07 2.14 3.08 3.69 4.91 6.17 7.37
8.19 11.33
13.71
Gas Consumption Low Fire (HS) G20
4
m
3
/h
0.54 1.03 1.70 1.83 2.56 2.78 4.05
4.50 5.67
7.03
Gas Consumption High Fire (HS) G25
4
m
3
/h
1.25 2.49 3.59 4.30 5.71 7.17 8.57
9.52 13.18
15.94
Gas Consumption Low Fire (HS) G25
4
m
3
/h
0.62 1.20 1.97 2.13 2.97 3.23 4.71
5.24 6.59
8.17
Gas Consumption High Fire (HS) G25.3
4
m
3
/h
1.22 2.44 3.51 4.20 5.59 7.02 8.39
9.32 12.89
15.60
Gas Consumption Low Fire (HS) G25.3
4
m
3
/h
0.61 1.18 1.93 2.08 2.91 3.16 4.61
5.13 6.45
8.00
Thermal Efficiency High Fire G20 (NCV)
%
91.9 90.7 90.9 90.6 90.9 91.6 91.2 92.0 91.3 92.6
Thermal Efficiency High Fire G25 (NCV)
%
91.0 91.0 90.5 90.7 90.8 91.5 91.0 92.1 90.8 92.1
Thermal Efficiency High Fire G25.3 (NCV)
%
90.6 90.7 90.7 90.5 90.8 91.4 91.1 91.8 90.9 91.8
Gas Connection
5
BSP ½" ¾" 1"
Flue and Combustion Air Connection
Collars (Indoor)
Ø mm 80 100 130
Maximum Flue Length
m 9.0
Airflow
m
3
/h 1223 2533 3035 4120 4562 5877 7125 8681 10350 17552
Motor Speed
rpm
1443
1436 934 1328 1320 925 1335 1384 1332 1206
Temperature Rise at Maximum Airflow
K
23 22
26 23 28 27 27 24 28 20
Horizontal Throw
m 10 16 26 27 26 32 32 36 36 36
Noise Level
6
dBA 46 48 49 51 51 51 56 59 60 62
Minimum mounting height
7
m 2.5
Total Electrical Rating
W 145 150 256 550 550 690 820 1000 1040 1900
Electrical Connection 230V / 1N / 50Hz
Protection Grade
IP IP20
Net weight
Kg 43 63 84 89 99 121 122 135 168 258
1
. Gas appliance classifications for approved venting methods are based on EN 1749:2020
2
. Refers to gross calorific value of fuel
3.
Refers to net calorific value of fuel
4
. Natural gas: G20 Hs 37.78 MJ/m³, G25 Hs 32.49 MJ/m³, G25.3 Hs 33.2 MJ/m³ @ 15°C and 1013.25 mbar
5
. There is a difference between the gas connection diameter and the diameter of the supply line. Always use the most adequate diameter of the supply
line to minimize the pressure drop through the gas pipes. If necessary, reduce the diameter of the supply line at the inlet of the unit
6
. Sound pressure measured in dB(A) : at 5m distance of the heater with A=160m² & Q=2
7
. Minimum height from floor to bottom surface of heater for safe use of heater. Positioning of unit heaters for proper performance is application
dependent. Operation is affected by other air moving equipment in the space, obstructions to the airflow, draughts and/or close proximity to doors
or windows, etc. Care should be taken to avoid mounting the heaters higher than these recommendations, unless downturn nozzle options are used,
as significant stratification may occur resulting in poor floor coverage and higher energy losses through the roof structure. Isothermal conditions +/-
20°C ambient air temperature, discharge louvres zero deflection, v = 0.5m/s. The air throw will be influenced by the height of the building, mounting
height of the unit, ambient temperature & adjustment of the louvres.
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