20154169
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) Pressure at test point 8)(Fig. 4, page 10), with zero pressure in the combustion chamber, with open gas ring 2) at maximum burner output
(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 equipment
The burner is supplied complete with:
Gas train flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Flange gasket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Flange fixing screws. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Screws (3/8 W x 1”) to secure the burner flange
to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Burner head gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instruction manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
3
Technical description of the burner
Model
RS 28/M
RS 38/M
RS 50/M
RS 50/M
Output
(1)
High
MBtu/hr
617 - 1232
181 - 361
880 - 1665
258 - 488
1099 - 2201
322 - 645
1099 - 2201
322 - 645
kW
Low
MBtu/hr
kW
198
58
266
78
321
94
321
94
Fuel
Natural or propane gas
- Max delivery
SCFH
1232
1665
2201
2201
- Pressure at maximum delivery
(2)
natural gas
“ WC
2.95
2.6
2.83
2.83
Operation
Low - high-low or modulating
FS2 - Continuous operation - only using the flame detection electrode (ionisation)
These burners are suitable also for the intermittent operation (FS1) only using the UV
flame sensor kit
Standard application
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
68
70
72
72
Weight (complete with packaging)
lbs
84
88
91
93
Model
RS 28/M
RS 38/M
RS 38/M
RS 50/M
RS 50/M
Main power supply (+/-10%)
V/Ph/Hz
120/1/60
208-230/460/575/3/60
120-230/1/60
Fan motor
rpm
W - HP
V
A
3400
370 - 0.5
120
5.2
3400/3450
550 - 0.75
208-230/460/575
3.2 - 1.8 - 1.3
3450
550 - 0.75
120 - 230
9.8 - 4.9
Motor capacitor
µF
50
20
Ignition transformer
V1 - V2
I1 - I2
120 V - 1 x 7 kV
1.6 A - 23 mA
Electrical power consumption
W max
1345
1720
1870
Electrical protection
NEMA 1
Summary of Contents for RS 28/M
Page 2: ...Original instructions...
Page 47: ......