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BLACKHEAT
®
INSTALLATION OPERATION AND SERVICE MANUAL
74 of 74
18.9 Burner Specifications
Figure 37: Linear and U-Tube Specifications
*Only available in Multiburner. **Based on Gross Caloric Value.
Natural G20: 8.7 mbar 3.5 in wg
Natural G25: 11.1 mbar 4.5 in wg
Natural G25 BH 55*: 9.5 mbar 3.8 in wg
18.9.1 Standard
Burner Specifications
BH15 BH20 BH25 BH30 BH35 BH40 BH45 BH50 BH55*
Burner Airplate
ID Number
20 15 12 6 7 9 10 11 19
Jet Numbers -
Natural G20 & 25
#30 3.8 mm #19 4.7 mm #9 #3 #2 B
E
6.8 mm (G25)
Jet Numbers -
Propane/Butane
#46 2.3 mm #37 #33 3.1 mm 3.3 mm #29 #26 #24
Jet Numbers -
Pressure Couple
1.95 mm 2.25 mm 2.5 mm 2.7 mm 2.9 mm 3.2 mm 3.25 mm 3.4 mm -
Gas Consumption**
Natural G20 (m
3
/h)
1.43 1.91 2.38 2.86 3.36 3.81 4.29 4.77 5.25
Gas Consumption**
Natural G25 (m
3
/h)
1.66 2.22 2.77 3.32 3.88 4.43 4.99 5.54 6.09
Gas Consumption**
Propane (m
3
/h) [kg/h]
0.56
[1.07]
0.75
[1.43]
0.94
[1.79]
1.13
[2.15]
1.32
[2.50]
1.51
[2.86]
1.69
[3.22]
1.88
[3.58]
2.07 [3.94]
Gas Consumption**
Butane (m
3
/h)
0.43 0.57 0.72 0.86 1.00 1.15 1.29 1.43 1.57
Governor Pressure
Butane (mbar)
21.4 19.7 19.2 17.4 18.2 17.9 16.9 18.4 18.3
Governor Pressure
Butane (in wg)
8.6 7.9 7.7 7.0 7.3 7.2 6.8 7.4 7.3
Governor Pressure
Propane (mbar)
26.1 26.1 26.1 27.4 26.1 28.6 28.6 26.1 26.1
Governor Pressure
Propane (in wg)
10.5 10.5 10.5 11.0 10.5 11.5 11.5 10.5 10.5
Fan
Damper
Swirler*
Plan View
Reflector
171 mm
End View
Internal Swirler*
273 mm
317
mm
Tube Length
Tube Length
Fan Tube
U-Tube
Plan View
Fan
Burner Tube
Burner Tube
100 mm
100 mm
Damper
*Swirler must always be located in Fan Tube.
367
mm
457 mm
Weld Spot
Weld Spot