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3
TECHNICAL DATA
(1) Reference conditions: Ambient temperature 68 °F (20 °C) - Barometric pressure 394 “WC - Altitude 329 ft a.s.l.
(2) Pressure at test point 16)(A)p.5, with zero pressure in the combustion chamber, with open gas ring 2)(B)p.9 at maximum burner output.
(3) Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output.
Fan motor IE1
Three phase burner
Model
RS 68/M LN
RS 120/M LN
Output
(1)
MAX.
MBtu/hr
kW
1327 - 3258
389 - 955
2272 - 4924
666 - 1443
MIN.
MBtu/hr
kW
570
167
1136
333
Fuel
Natural gas
- Max. delivery
SCFH
3258
4924
- Pressure at max. delivery
(2)
“WC
4.60
8.85
Operation
Low - high or modulating
Standard applications
Boilers: water, steam, thermal oil
Ambient temperature
°F
32 - 104 (0 - 40 °C)
Combustion air temperature
°F max
140 (60 °C)
Noise levels
(3)
dBA
75
77
Model
RS 68/M LN
RS 120/M LN
Control circuit power supply
V/Ph/Hz
120/1/60
Main electrical supply (+/- 10%)
V/Ph/Hz
208 - 230/3/60
Fan motor
rpm
W - HP
V
A
3360
1800 - 2.4
208 - 230
7.4
3400
2200 - 3
208 - 230
8.5
Ignition transformer
V1 - V2
I1 - I2
120 V - 1 X 8 kV
1.6 A - 20 mA
Electrical power consumption
W max
2350
2750
Electrical control circuit coms.
W
750
Total electrical consumption
W
3100
3500
Electrical protection
NEMA 1
Model
RS 68/M LN
RS 120/M LN
Control circuit power supply
V/Ph/Hz
120/1/60
Main electrical supply (+/- 10%)
V/Ph/Hz
460/3/60
Fan motor
rpm
W - HP
V
A
3360
1800 - 2.4
460
4.3
3400
2200 - 3
460
4.9
Ignition transformer
V1 - V2
I1 - I2
120 V - 1 X 8 kV
1.6 A - 20 mA
Electrical power consumption
W max
2750
3150
Electrical control circuit coms.
W
750
Total electrical consumption
W
3500
3900
Electrical protection
NEMA 1
Model
RS 68/M LN
RS 120/M LN
Control circuit power supply
V/Ph/Hz
120/1/60
Main electrical supply (+/- 10%)
V/Ph/Hz
575/3/60
Fan motor
rpm
W - HP
V
A
3420
1800 - 2.4
575
2.8
3400
2200 - 3
575
3.7
Ignition transformer
V1 - V2
I1 - I2
120 V - 1 X 8 kV
1.6 A - 20 mA
Electrical power consumption
W max
2250
2900
Electrical control circuit coms.
W
750
Total electrical consumption
W
3000
3650
Electrical protection
NEMA 1