RL06 Oil Burner Reprint NP
2/26/02
1:07 PM
Page 1
R-Series Oil Burners
Maximum Performance. Minimum Maintenance.
Oil
Riello Burners – a world of experience
in every burner we sell
Across North America and the world over, Riello sets the standard in reliable, high-efficiency,
low-maintenance burner technology. With burner capacities from 38 thousand to more than
70 million Btuh, Riello oil, gas and dual-fuel burners deliver unbeatable performance
across the full range of residential and commercial heating applications, as well as in light
industrial processes.
Gas
Quality engineered for reliability, combined with fuel and power efficiency, Riello burners
are environmentally friendly, and easy to install and service – all hallmarks of Riello’s
advanced burner technology.
With headquarters in Legnago, Italy, Riello has been manufacturing premium quality burners
for over 80 years. Today, to meet its customers’ needs, Riello employs more than 2,000 people
across four continents, with a sales and support network that spans over 60 countries.
Dual-Fuel
Throughout the United States and Canada, our staff and independent sales and support
network are dedicated to providing applications engineering support, commissioning,
hands-on training, ongoing technical assistance, and after-sales service.
Riello Burners – delivering reliable combustion solutions for our customers in North
America and around the world.
Low NOx
Quality engineered for the North American market to Riello’s proven world-class standard, R-Series oil burners
are built for maximum uptime. These compact burners are based on a simple, integrated design that provides
high-efficiency, low-noise operation while significantly reducing fuel and maintenance costs.
And Riello R-Series oil burners offer a host of standard features – like compact, light-weight, die-cast aluminum
construction; an integrated control panel, and innovative slidebars that make installation and servicing easy.
Reliable Combustion Solutions
35 Pond Park Road
Hingham, Massachusetts
U.S.A. 02043
1-800-4-RIELLO
1-800-474-3556
www.riello-burners.com
2165 Meadowpine Blvd
Mississauga, Ontario
Canada L5N 6H6
Riello R-Series oil burners are available in firing rates from 2.4 to 65.6 gph, to handle a broad range of commercial,
industrial and process applications. Offered in a variety of configurations with optional accessories, our
RL models deliver uncompromising performance and reliability.
RL06 Oil Burner Reprint NP
2/26/02
1:07 PM
Page 3
1
RL/M
RL/2
(Not in main view)
The servomotor on the RL/M is designed to accept all
common types of modulating signals, for maximum
control flexibility.
70-190
Modulating Oil • 5.4 – 65.6 gph
70-130
2-Stage Oil • 6.9 – 41.6 gph
10
2
Available in both full modulating and low-high, 2-stage firing configurations,
Riello R-Series oil burners come with standard features that
applications such as hot water and steam boilers,
7
Camnetic Regulating
Assembly
A characterized, fully adjustable cam assembly with
nine lockable adjustment screws and automatic air
damper. Provides accurate fuel/air ratio control
throughout the firing range for highly reliable
combustion and excellent repeatability.
deliver high efficiency and reduced fuel consumption for
thermal oil heaters and other light industrial processes
Advanced
Servomotor
3
with high-capacity requirements.
3
Unique Combustion
Head Design
Specifically designed for lower-than-standard emissions,
the Riello combustion head is available in various lengths
to handle a wide range of applications.
2
9
4
The RL burner’s factory pre-wired, integrated control
panel offers user-friendly operation and ease of
service while contributing to an extremely compact
overall design. Remote panels are available with
Siemens, Honeywell or Fireye controls.
4
5
High-efficiency reverse-incline fan
The burner’s self-cleaning fan blades are set at a
reverse incline. The result is high static pressure
capability combined with low-noise operation.
A high-efficiency fan motor provides for low power
consumption and reduced operating costs.
8
6
Low-High
2-Stage Firing
Integrated
Control Panel
The 2-stage firing Riello RL/2 is
equipped with a burner-mounted oil
fuel train for easy field installation.
7
6
RL70/M
Service slidebars
All RL burners incorporate innovative slidebars which enable
the burner assembly to be pulled outwards on two guides,
allowing quick access to the combustion head for easy installation and servicing. The result is lower maintenance costs.
Die-cast aluminum chassis
Riello’s quality engineered, die-cast aluminum construction
allows for the RL’s remarkably compact design, light weight
and ease of installation.
9
Flame viewing window
An accurately positioned flame viewing window provides
for easy flame monitoring.
Insulated air intake housing
Sound deadening material incorporated within the air intake
housing further contributes to the RL’s low-noise operation,
even at full output.
5
8
10
Exterior drawer assembly adjustment screw
An innovative feature, the RL burner’s exterior drawer
assembly adjustment screw allows service personnel to
quick-adjust insertion depth, fine tuning air flow pattern
for shaping flame geometry.
RL06 Oil Burner Reprint NP
2/26/02
1:08 PM
Page 5
RL/2
RL/M
28-50
2-Stage • 2.6 – 16 gph
9
RL38/2
4
28-50
Modulating • 2.4 – 16 gph
7
Riello R-Series oil burners come standard
2
in a low-high, 2-stage firing configuration,
5
with a full modulating version also available.
The burner’s self-cleaning fan blades are set at a reverse
incline. The result is high static pressure capability
combined with low-noise operation. A high-efficiency fan
motor provides for low power consumption and reduced
operating costs.
Both models are quality engineered for high
reliability in applications such as hot water
and steam boilers, thermal oil heaters and
other light industrial processes with low1
capacity requirements.
High-efficiency reverse-incline fan
6
Insulated air intake housing
Sound deadening material incorporated within the air intake
housing further contributes to the RL’s low-noise operation,
even at full output.
8
7
Die-cast aluminum chassis
Riello’s quality engineered, die-cast aluminum construction
allows for the RL’s remarkably compact design, light weight
and ease of installation.
8
3
Flame viewing window
An accurately positioned flame viewing window provides
for easy flame monitoring.
9
Full
Modulating
Assembly
Exterior drawer assembly adjustment screw
An innovative feature, the RL burner’s exterior drawer
assembly adjustment screw allows service personnel
to quick-adjust insertion depth, fine tuning air flow
pattern for shaping flame geometry.
6
A fully adjustable regulating assembly
is also available on the RL/M, providing
accurate fuel/air ratio control throughout the firing range.
5
1
Integrated
Control Panel
The RL burner’s factory pre-wired,
integrated control panel offers userfriendly operation and ease of
service while contributing to an
extremely compact overall design.
Remote panels are available with
Siemens, Honeywell or Fireye controls.
2
Service
Slidebars
All RL burners incorporate innovative
slidebars which enable the burner
assembly to be pulled outwards on
two guides, allowing quick access
to the combustion head for easy
installation and servicing. The result
is lower maintenance costs.
3
2-Stage Oil
Regulating
Assembly
The Riello RL/2 comes standard
with a burner-mounted 2-stage oil
fuel train for easy field installation
and simple operation.
4
Unique
Combustion
Head Design
Specifically designed for lowerthan-standard emissions, the Riello
combustion head is available in
various lengths to handle a wide
range of applications.
RL06 Oil Burner Reprint NP
3/6/02
11:08 AM
Page 7
Specifications
R L L i g h t - O i l Fo r c e d - D r a f t B u r n e r s
Dimensions
RL/2
All units are in inches
Combustion Air Motor
HP
Amperage Draw
Sound Levels
dBA
Max. Chamber Pressure
(“w.c.) @ high fire
28
2.6 - 9.0
120/1/60
1/2
5.2
68.0
1.5
38
3.2 - 12.2
120/1/60 or 230-460-575/3/60
1/2 or 3/4
5.2 / 3.2 / 1.6 / 1.3
70.0
1.6
50
4.0 - 16.0
230-460-575/3/60
3/4
3.2 / 1.6 / 1.3
75.0
1.2
70
6.9 - 22.4
230-460-575/3/60
1 1/2
4.8 / 2.8 / 2.3
68.0
2.1
100
9.6 - 32.0
230-460-575/3/60
2 1/2
6.7 / 3.9 / 3.2
70.0
2.5
13.1 - 41.6
230-460-575/3/60
3
8.8 / 5.1 / 4.1
70.0
3.4
B
C
D
E
F-F 1 *
G
H
I-I 1
J
1823/32
–
–
1821/32
1813/32
81/2 - 1313/16
51/2
1327/32
2615/32 - 313/4
21/16
130
38
1823/32
–
–
1821/32
1813/32
81/2 - 1313/16
51/2
1327/32
2615/32 - 313/4
21/16
28
2.4 - 9.0
120/1/60
1/2
5.2
68.0
1.5
50
1823/32
–
–
1821/32
1813/32
81/2 - 1313/16
531/32
1327/32
2615/32 - 313/4
21/16
38
2.7 - 12.2
230-460-575/3/60
3/4
3.2 / 1.6 / 1.3
70.0
1.6
70
2227/32
1121/32
113/16
2127/32
2625/32
927/32 - 155/32
71/16
1615/16
377/16 - 423/4
–
50
3.5 - 16.0
230-460-575/3/60
3/4
3.2 / 1.6 / 1.3
75.0
1.8
100
23
12
11
21
26
9
7
15/16
16
377/16 - 423/4
–
70
5.4 - 22.4
230-460-575/3/60
1 1/2
4.8 / 2.8 / 2.3
75.0
2.3
130
245/8
135/16
115/16
2127/32
2625/32
927/32 - 155/32
77/16
1615/16
377/16 - 423/4
–
100
9.0 - 32.0
230-460-575/3/60
2 1/2
6.7 / 3.9 / 3.2
77.0
1.8
130
11.2 - 41.6
230-460-575/3/60
3
8.8 / 5.1 / 4.1
78.0
3.2
190
12.8 - 65.6
230-460-575/3/60
5 1/2
15.8 / 9.1 / 7.3
83.9
0.5
27/32
25/32
27/32
- 15
5/32
1/16
–
–
1821/32
1813/32
915/32 - 1313/16
51/2
1327/32
2615/32 - 313/4
21/16
38
1823/32
–
–
1821/32
1813/32
915/32 - 1313/16
51/2
1327/32
2615/32 - 313/4
21/16
50
18
–
–
18
18
9
5
13
26
21/16
70
261/8
1121/32
1415/32
2127/32
2625/32
1023/32 - 155/32
71/16
1615/16
377/16 - 423/4
–
100
26
12
14
21
26
10
7
16
37
–
130
273/4
135/16
1415/32
2127/32
2625/32
1023/32 - 155/32
77/16
1615/16
377/16 - 423/4
–
190
32
1413/32
1719/32
2127/32
2713/32
149/16
83/4
1615/16
433/8
–
23/32
1/8
9/32
21/32
15/32
13/32
27/32
15/32
25/32
- 13
23/32
13/16
31/32
- 15
5/32
27/32
1/16
15/32
15/16
7/16
- 31
3/4
- 42
3/4
(1) Ratings based on 140,000 Btu/Gallon for No.2 fuel oil.
■
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■
■
■
■
■
■
■
■
■
■
Direct-drive pump
Drawer & nozzle assembly with diffuser
Nozzle(s)
Main safety shut-off valve
1-stage valve
2nd stage shut-off valve
Supply shut-off valve
Return shut-off valve
Hydraulic cylinder for air regulation
Camnetic regulating assembly
Vacuum pressure gauge (burner mounted)
■
■
2
■
■
■
Siemens LAL 2.25 flame safeguard
Starter with overload
Terminal strip
On-off switch
High / low fire hold switch
Auto / manual / off switch
Manual firing rate switch
PID modulating controller
■
■
■
■
■
Siemens LAL 2.25 flame safeguard
Honeywell RM7800 Series flame safeguard
Fireye E-110 flame safeguard
Fireye MEC120 flame safeguard
Starter with overload
Terminal strip
On-off switch
Fuses
Indicating lights:
Power on
Main flame on
Flame failure
■
■
■
■
■
■
■
■
■
■
■
■
Alarm horn with silencing switch
Additional light
Set of dry contacts
Panel front-mounted flame safeguard display
2-position switch (maintained contact)
■
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■
General
Combustion Chamber Pressure ("w.c)
RL50/2
3.5
RL38/2
3.0
RL28/2
2.5
2.0
1.5
1.0
0.5
0
- 0.5
RL70/2
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
- 0.5
Capacity
(GPH)
2
(MBTUH)
300
4
3
400
500
5
600
700
7
6
8
9
10
11
12
13
14
15
16
900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
800
RL50/M
3.5
2.0
1.5
1.0
0.5
0
- 0.5
(MBTUH)
300
4
3
400
500
5
600
700
7
6
800
8
9
10
11
12
13
14
15
16
900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Combustion Chamber Pressure ("w.c)
RL28/M
2
8
12
16
20
1,120
1,680
2,240
2,800
24
28
3,360
3,920
32
36
40
4,480
5,040
5,600
RL190/M
5.5
3.0
Capacity
(GPH)
4
560
6.0
RL38/M
2.5
Capacity
(GPH)
(MBTUH)
5.0
4.5
RL100/M RL130/M
4.0
RL70/M
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Reference Conditions
Ambient temperature: 68ºF (20ºC)
Barometric pressure: 394”w.c.
Altitude: 329 ft. a.s.l.
0
- 0.5
Capacity
(GPH)
4
(MBTUH) 560
R-Series burners are UL, cUL and
MEA320-01-E (New York) approved.
8
12
16
20
24
28
32
36
1,120
1,680
2,240
2,800
3,360
3,920
4,480
5,040
40
44
48
52
56
60
64
5,600
6,160
6,720
7,280
7,840
8,400
8,960
Full Modulation
RL70/2 - RL130/2
Combustion air motor with reverse-incline fan
Service slidebars
Photo cell / scanner
Direct spark ignition
Burner mounted fuel system (pre-piped & tested)
Fuel ignition transformer(s)
Flame retention combustion head
Servomotor (fuel / air ratio adjustment)
Flame inspection window
Air pressure switch
Fan pressure test point
Oil System
RL130/2
RL100/2
4.0
RL28/2 - RL50/2
(1)
F i r i n g R at e s
(3) A separate 120/1/60 control voltage supply is required.
Low - High
Standard Features - RL Models
* F1 Length with combustion head extension. Not available on the RL190/M.
4.5
(2) Other voltages available on request.
Integrated
Control Panel
5/16
Remote Panel (Optional)
9/32
Options
19/32
RL/M
A
1823/32
Combustion Chamber Pressure ("w.c)
Voltage(2) (3)
RL/2
28
RL/M
28
Combustion Chamber Pressure ("w.c)
Capacity
(GPH)(1)
Model
(1) Forward-incline fan on RL190/M.
■
■
■
■
2
■
■
■
■
■
■
RL28/M - RL50/M
RL70/M - RL190/M
■
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■
■
■(1)
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■
1
■
■
■
1
■
■
■
■
■
■
■
■
■
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■
■
■
■
■
Optional
■
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Optional
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