Nortek Reznor 120, Installation & Servicing Manual

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Model 120 135 180 205
Heat Output (max)
kW/hr
Btu/hr 122.51
418,004 137.51
469,184 183.5
626,102 207.85
709,184
Heat Input (Gross)
kW/hr
Btu/hr 143.0
487,900 160.8
548,600 209
713,100 241
822,300
Heat Input (Nett)
kW/hr
Btu/hr 134.22
457,958 150.93
514,973 196.16
669,298 225.71
770,122
Nett Effi ciency % 91.27 91.11 93.55 92.1
Burner Type
Riello G20 G20S G20S RL34.1
Oil Connection BSP 3/8 3/8 3/8 3/8
Fuel Consumption 35s
Imp gall/
hr litre/hr 2.93
13.3 3.3
14.9 4.3
19.4 4.9
22.4
Burner Pressure 35s
Psi
Bar 160
11.0 180
12.5 180
12.5 170
11.6
Nozzle Size 35s
2.75 - 60°S 3.0 - 60°S 4.0 - 60°S 2.75 & 2.0 - 60°B
Fuel Consumption 28s
Imp gall/
hr litre/hr 3.12
14.16 3.5
15.93 4.55
20.7 5.24
23.85
Burner Pressure 28s
Psi
Bar 150
10.4 145
10.0 150
10.3 145
10.0
Nozzle Size 28s
3.0 - 60°S 3.5 - 60°S 4.0 - 60°S 3.0 & 2.5 - 60°S
Head Setting 0 fl ue resistance Number 3.0 3.0 6.0 4.0
Air Setting 0 fl ue resistance
Number 3.6 6.0 7.0 3.0
Available Outlet Pressure
Pascals
Ins WG 137
0.55 150
0.6 175
0.7 188
0.75
Nozzle Discharge Velocity
m/sec
ft/min 7.55
1481 6.98
1369 6.13
1203 6.71
1315
Air Throw (approx)
mtrs
ft 20.2
65 20.2
65 20.2
65 21.7
70
Air Delivery
m³/sec
ft³/min 2.15
4550 2.65
5620 3.11
6600 3.4
7200
Temp Rise Through Heater
°C
°F 45
113 44.5
112.1 48
118.4 49
120.2
Combustion Chamber mbar 0.56 0.88 0.54 0.62
Sound Level
dba 74 76 78 78
Flue Resistance
Min mbar
Max mbar -0.2
0.6 -0.2
0.6 -0.2
0.6 -0.4
1.6
Flue Diameter
mm 175 175 200 200
Electrical Supply
Standard 415/3/50 415/3/50 415/3/50 415/3/50
Rated Input kW 1.5 2.2 3.0 3.0
Fused Isolator Size
Amps 16 16 25 25
Running Current Amps 3.6 5.2 6.5 6.5
Electrical Supply
Optional 230/1/50 230/1/50 n/a n/a
Rated Input kW 1.5 2.2 n/a n/a
Fused Isolator Size
Amps 40 40 n/a n/a
Running Current Amps 12 14 n/a n/a
Weight kg 330 332 525 540
Nozzle Amount
no. 3 4 4 4
Nozzle top Plate Outlet Dia Ø mm 271 271 329 329
Flue Temperature (Gross)
@ 20°C
Ambient
240 236 175 212