3
TECHNICAL DATA
(1) Reference conditions: Ambient temperature 68 °F (20 °C) - Barometric pressure 394” W.C. - Altitude 329 ft.
(2) Sound pressure measured in manufacturer’s combustion laboratory, with burner operating on test boiler and at maximum rated output.
(3) Equivalent Btu values based on 1 USGPH = 140,000 Btu/hr.
Burner models designations
ACCESSORIES
(optional):
Modulating control kit
Two components should be ordered:
•
modulating control to install on the burner;
•
probe to install on the boiler.
Kit for lengthening the combustion head
L
= Standard length
L1 = Length obtainable with the kit
COD. 3010277
L = 9
15/32
”
L1 = 13
13/16
”
• RL 28/M
COD. 3010278
L = 9
15/32
”
L1 = 13
13/16
”
• RL 38/M
COD. 3010279
L = 9
15/32
”
L1 = 13
13/16
”
• RL 50/M
Flame inversion boiler kit
COD. 3010178
• RL 28/M - RL 38/M
COD. 3010179
• RL 50/M
MODEL
RL 28/M
RL 38/M
RL 38/M
RL 50/M
RL 50/M
Output
(1)
High
MBtu/hr
(3)
630 - 1260
896 - 1708
896 - 1708
1120 - 2240
1120 - 2240
GPH
4.5 - 9
6.4 - 12.2
6.4 - 12.2
8 - 16
8 - 16
Low
MBtu/hr
(3)
336 - 630
378 - 896
378 - 896
490 - 1120
490 - 1120
GPH
2.4 - 4.5
2.7 - 6.4
2.7 - 6.4
3.5 - 8
3.5 - 8
Fuel
# 2 fuel oil
Operation
Low - high or modulating
Nozzle
number
1 (nozzle with return)
Standard applications
Boilers: water, steam, thermal oil
Ambient temperature
°F
32 - 104 (0 - 40 °C)
Combustion air temperature
°F max
140 (60 °C)
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
370 - 0.5
120
5.2
3400
550 - 0.75
208 - 230 / 460 / 575
3.2 - 1.6 - 1.3
3400
550 - 0.75
208 - 230 / 460 / 575
3.2 - 1.6 - 1.3
3400
550 - 0.75
120 - 230
9.8 - 4.9
Motor capacitor
µF
45
20
Ignition transformer
V1 - V2
I1 - I2
120 V - 2 x 5 kV
3.7 A - 35 mA
Pump
delivery (at 290 PSI)
pressure range
fuel temperature
GPH
PSI
°F max
32
145 - 290
140 (60 °C)
Electrical power consumption
W max
550
600
700
800
750
Electrical protection
NEMA 1
Noise levels
(2)
dBA
68
70
70
75
75
Model
RIELLO Code
RBNA Code
Voltage
Flame safeguard
RL 28/M
3471070
C9511300
120/1/60
Burner mounted
C9511320
RL 38/M
3471270
C9512353
120/1/60
Burner mounted
3471470
C9512300
208-230/460/3/60
C9512301
575/3/60
C9512310
C9512320
RL 50/M
3471675
C9513303
120/1/60
Burner mounted
C9513353
3471670
C9513300
208-230/460/3/60
C9513301
575/3/60
C9513310
PARAMETER TO BE CHECKED
PROBE
MODULATING CONTROL
Range
Type
Code
Type
Code
Temperature
- 212...+ 932 °F (- 100...+ 500 °C)
PT 100
3010110
RWF50
RWF55
20082208
20099657
Pressure
0...36.3 PSI (0...2.5 bar)
0...232 PSI (0...16 bar)
Probe with output
4...20 mA
3010213
3010214
Important:
The installer is responsible for the supply
and installation of any safety device(s) not
indicated in this manual.
WARNING
Summary of Contents for 9511300
Page 2: ...Original instructions...
