20045163
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 a.s.l.
(2)
Equivalent Btu values based on 1 USGPH = 140,000 Btu/hr
(3)
Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output.
3.2
Electrical data
Tab. B
3.3
Burner models designations
Tab. C
3
Technical description of the burner
Model
RL 70/E
Output
(1)
High
MBtu/hr
(2)
GPH
1792 - 3136
12.8 - 22.4
Low
MBtu/hr
(2)
GPH
756 - 1792
5.4 - 12.8
Fuel
# 2 fuel oil
Operation
Low - high or modulating
Nozzle
number
1 (return flow nozzle)
Standard applications
Boilers: water, steam, thermal oil
Ambient temperature
°F
32 - 104 (0 - 40 °C)
Combustion air temperature
°F max
140 (60 °C)
Pump
delivery (at 290 PSI)
pressure range
fuel temperature
GPH
PSI
° F max
60.8
145 - 304.5
194 (90 °C)
Noise levels
(3)
dB(A)
78,5
Model
RL 70/E
Control circuit power supply
V/Ph/Hz
120/1/60
Main electrical supply (+/- 10%)
V/Ph/Hz
208-230/3/60
460/3/60
Fan motor
rpm
HP
V
A
3400
1.5
208-230
4
3400
1.5
460
2
Ignition transformer
V1 - V2
I1 - I2
120 V - 2 X 5 kV
2.7 A - 30 mA
Electrical power consumption
W max
1300
Electrical control circuit coms.
W
750
Total electrical consumption
W
2050
Electrical protection
NEMA 1
Model
Code
Code RBNA
Voltage
Flame safeguard
RL 70/E
20045056
tbd
208-230/3/60
Burner mounted
tbd
460/3/60
