20019893
6
GB
Technical description of the burner
3.1
Technical data
Tab. A
(1)
Reference conditions: Ambient temperature 68 °F (20°C) - Barometric pressure 394” WC - Altitude 329 ft.
(2)
Pressure at test point 7) (Fig. 5, page 12) with zero pressure in the combustion chamber and maximum burner output.
(3)
Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output.
(4)
Equivalent Btu values based on 1 USGPH = 140,000 Btu/hr.
3.2
Electrical data
3.2.1
Single phase burner
3
Technical description of the burner
Model
RLS 28/M
RLS 38/M
RLS 50/M
Output
(1)
Delivery
(1)
2
nd
stage
MBtu/hr
(4)
kW
GPH
616 - 1232
181 - 361
4.4 - 8.8
882 - 1666
258 - 488
6.3 - 11.9
1092 - 2198
320 - 644
7.8 - 15.7
1
st
stage
MBtu/hr
(4)
kW
GPH
378
111
2.7
434
127
3.1
546
160
3.9
Fuel
#2 Fuel oil
Natural gas
Gas pressure at maximum delivery
(2)
Gas: Natural gas
” WC
2.7
1.64
2.36
Operation
Modulating gas / low-high oil
Nozzles
number
2
Ambient temperature
°F
32 - 104 (0 - 40 °C)
Combustion air temperature
°F max
140 (60 °C)
Pump
delivery (at 174 PSI)
pressure range
fuel temperature
GPH
PSI
°F max
21.5
58 - 261
140 (60 °C)
Noise Levels
(3)
dB(A)
68
70
72
Model
RLS 28/M
RLS 38/M
RLS 50/M
RLS 50/M
RBNA Code
C9331500
C9332500
C9333553
C9333503
Control circuit power supply
V/Ph/Hz
120/1/60
Main power supply (+/-10%)
V/Ph/Hz
120/1/60
120/1/60
120/1/60
230/1/60
Fan motor
rpm
W - HP
V
A
3400
370 - 0.5
120
5.2
3400
370 - 0.5
120
5.2
3450
550 - 0.75
115
9.8
3450
550 - 0.75
230
4.9
Motor capacitor
µF
45
45
20
20
Pump motor
rpm
V
W - HP
A
3250
120
90 - 0.12
2.2
Pump motor capacitor
µF
12.5
Ignition transformer
Oil
V1 - V2
I1 - I2
120 V - 2 x 5 kV
3.7 A - 35 mA
Gas
V1 - V2
I1 - I2
120 V - 1 x 7 kV
1.6 A - 23 mA
Electrical power consumption
W
600
1100
1050
Electrical control circuit cons.
W max
750
Total electrical consumption
W
600 + 750
1100 + 750
1050 + 750
Electrical protection
NEMA 1
