Riello G20S Quick start guide

20013755 (2) - 06/2011
Installation, use and maintenance instructions
安装 , 使用以及维护说明书
Light oil burners
轻油燃烧器
CODE -编码 MODEL -型号 TYPE -类型
20013636 G20S 482T1
20040295 G20S 482T58
GB
CN
One stage operation
一段火运行

20013755
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INFORMATION ABOUT THE INSTRUCTION MANUAL
INTRODUCTION
The instruction manual supplied with the burner:
- is an integral and essential part of the product and must not be sepa-
rated from it; it must therefore be kept carefully for any necessary
consultation and must accompany the burner even if it is transferred
to another owner or user, or to another system. If the manual is lost
or damaged, another copy must be requested from the Technical
Assistance Service of the area;
- is designed for use by qualified personnel;
- offers important indications and instructions relating to the installation
safety, start-up, use and maintenance of the burner.
DELIVERY OF THE SYSTEM AND THE INSTRUCTION MAN-
UAL
When the system is delivered, it is important that:
- The instruction manual is supplied to the user by the system manu-
facturer, with the recommendation to keep it in the room where the
heat generator is to be installed.
- The instruction manual shows:
- the serial number of the burner;
- the address and telephone number of the nearest Assistance
Centre;
- The system supplier carefully informs the user about:
- the use of the system,
- any further tests that may be necessary before the system is
started up,
- maintenance and the need to have the system checked at least
once a year by the manufacturer or another specialised techni-
cian.
To ensure a periodic check, recommends the drawing up
of a Maintenance Contract.
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TECHNICAL DATA
OBurner with CE marking in conformity with EEC Directives: EMC 2004/108/EC, Low Voltage 2006/95/EC.
OThe burner meets protection level of IP 40, EN 60529.
TYPE 482T1 482T58
Thermal power – output 95 – 240 kW – 8 – 20 kg/h
Fuel Light oil, max. viscosity at 20 °C: 6 mm2/s
Electrical supply Single phase, 230V ±10% ~50Hz
Motor Run current 1.5A
2750 rpm – 288 rad/s Run current 2.2A 3250 rpm – 340 rad/s
Capacitor 5 F4F
Ignition transformer Secondary 8 kV – 16 mA
Pump Pressure 7 – 15 bar Pressure 8 – 15 bar
Absorbed electrical power 0.33 kW 0.41 kW
1– Return line
2– Suction line
3– Gauge connection
4– Pump pressure regulator
5– Vacuum gauge connection
6– Hydraulic jack with air-damper
7– Combustion head adjustment screw
8– Lock-out lamp and reset button
9– Flange with insulating gasket
10 – Start delaying device
BURNER EQUIPMENT
Quantity Description
2
1
4
1
1
1
Flexible pipes with nipples
Flange with insulating gasket
Screws and nuts for flange
Maintenance assembly
Screw with two nuts for flange
Grommet
D8077
Fig. 1

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WORKING FIELD
OVERALL DIMENSIONS
3.6
0
2.4
Pressure in the combustion
chamber – mbar
8 10 12 14 Light oil output- kg/h
90 120 240 Thermal power - kW
D5797 150 180 210
1.2
16 18 20
0.3
Flange Burner
350 118 295
160
=
41
45°
ø125
298
11
230
D5283
=
213
99 99
190
45°

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INSTALLATION
BOILER FIXING
Put on the flange (1) the screw and two nuts, (see fig. 2).
Widen, if necessary, the insulating gasket holes (5), (see fig. 3).
Fix the flange (1) to the boiler door (4) using screws (2) and (if necessary) the nuts (3) interposing the
insulating gasket (5), (see fig. 4).
MAINTENANCE POSITION
Access to the combustion head, diffuser disc / electrodes unit and nozzle, (see fig. 5).
Remove the burner out of the boiler, after loosing the fixing nut to the flange.
Hook the burner to the flange (1), by removing the combustion head (6) after loosing the fixing screws (7).
Remove the diffuser disc-holder assembly (9) from the nozzle-holder (8) after loosing its fixing screw.
Screw the nozzle (10).
Fig. 6
Verify that the installed burner is lightly leaned towards the
button.
(See figure 6).
The burner is designed to allow entry of the flexible oil-lines
on either side of the burner.
D5572
D5012
Fig. 2
1
Fig. 3
5
E9022
D8058
1
Fig. 4
43
2
2
5
110
9
8
7
6
Fig. 5
D8056 D8057

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HYDRAULIC SYSTEMS
Warning: before starting the burner make sure that the return pipe-line is not clogged: any obstruction
would cause the pump seals to break.
The pump vacuum should not exceed a
maximum of 0.4 bar (30 cm Hg).
Beyond this limit gas is released from
the oil.
Oil lines must be completely airtight.
The return line should terminate in
the oil tank at the same level as the
suction line; in this case a non-return
valve is not required.
When the return line arrives over the
fuel level, a non-return valve must be
used.
This solution however is less safe than
previous one, due to the possibility of
leakage of the valve.
PRIMING THE PUMP
Start the burner and wait for the priming.
Should lock-out occur prior to the arrival
of the fuel, await at least 20 seconds
before repeating the operation.
A filter must be installed on the suction fuel line.
H
meters
Lmeters
I. D.
8 mm I.D. 10 mm
0.5
1
1.5
2
10
20
40
60
20
40
80
100
WARNING
The pump is supplied for use with a two pipe system.
For use on a one pipe system, it is necessary to remove the by-pass
screw (A), (see figure).
A
H
meters
Lmeters
I. D.
8 mm I.D. 10 mm
0
0.5
1
1.5
2
3
3.5
35
30
25
20
15
8
6
100
100
100
90
70
30
20
H max. 4 m
H
H
max. 4 m
min. 0.1 m
D5219
D5220
D5199
H=Difference of level.
L=Max.length of the
suction line.
I.D.=Internal diameter of the
oil pipes.
PRIMING THE PUMP
Loosen the plug of the vacuum gauge (5, fig. 1) and
wait until the fuel flows out.

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ELECTRICAL WIRING
S7333
Brown
White (50V)
Blue
Motor
Capacitor
Regulating thermostat
Neutral
Switch with fuse
6A max.
NL
M
~
Black
NOTES
– Wires of 1 mm2section.
– The electrical wiring carried out by the installer
must be in compliance with the rules in force in
the Country.
– To remove the control-box from the burner,
loosen screw (A) (see figure) and pull
towards the arrow.
– The photoresistance is fitted directly into the
control-box (underneath the ignition-trans-
former) on a plug-in support.
TESTING
Check the shut-down of the burner by opening the
thermostats.
WARNING
Do not exchange the neutral with the phase.
230V ~50Hz
NL
Limit thermostat
with manual resetting
Remote lock-out lamp
(230V - 0.5A max.), if required
123456789
Blue
Brown
Terminal block of
control-box 530SE*
Valve
T
T
RUN OF THE ELECTRICAL CABLE
1- Grommet N- Neutral
2- Cable-clamp L- Phase
3- Terminal block - Burner-earth
ATTENTION
Do not connect burner’s grounding, to fail-
ure indicator terminal . This may result
the destroy of the control box.
D5228
Black
CARRIED-OUT BY THE INSTALLER
CARRIED-OUT IN THE FACTORY

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COMBUSTION ADJUSTMENT
In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjust-
ment and testing must be carried out observing the instruction manual of the boiler, including verifi-
cation of the CO and CO2concentration in the flue gases, their temperatures and the average
temperature of the water in the boiler.
To suit the required appliance output, fit the nozzle then adjust the pump pressure, the setting of
the combustion head and the air damper opening in accordance with the following schedule.
The values shown in the table are measured on a CEN boiler (as per EN 267).
They refer to 12.5% CO2at sea level and with light oil and room temperature of 20 °C.
RECOMMENDED NOZZLES: Monarch type R - PLP
Delavan type B - W
Steinen type S - SS
Danfoss type S - B
Angle: 60° :In most cases. Particularly suited to avoid flame-detach-
ment during ignition.
For narrow and long combustion-chambers it is advisable
to use full cone nozzles (e.g. 60° B).
TYPE
Nozzle
Pump pressure Burner output Comb. head adjustment Air damper adjustment
Low-flame High-flame
GPH Angle bar kg/h ± 4% Set-point Set-point Set-point
482T1
2.00 60° 12 8.0 1 2.2 2.5
2.25 60° 12 9.0 1.5 2.5 2.9
2.50 60° 12 10.0 2 2.7 3.1
3.00 60° 12 12.0 2.5 3.1 3.7
3.50 60° 12 14.0 3.5 3.5 4.8
4.00 60° 12 16.1 4 4 6
4.50 60° 12 18.1 5 4.5 7
4.50 60° 14 19.5 6 5 8
482T58
2.00 60° 12 8.0 1 1.8 2.0
2.25 60° 12 9.0 1.5 2.1 2.5
2.50 60° 12 10.0 2 2.4 2.8
3.00 60° 12 12.0 2.5 2.8 3.2
3.50 60° 12 14.0 3.5 3.2 4.0
4.00 60° 12 16.1 4 3.6 5.0
4.50 60° 12 18.1 5 4.0 6.0
4.50 60° 14.5 19.9 6 4.5 7.0
1
2
3
1

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COMBUSTION HEAD SETTING:This is done when fitting the nozzle, with the blast tube
removed. It depends on the output of the burner and is
carried out by rotating the regulating rod, till the terminal
plane of the blast tube is level with the set-point, as indi-
cated in the schedule.
Combustion head settings indicated in the schedule are valid for most cases.
The setting of the fan output according to the installation should normally be done only through the air
damper. Should one subsequently want to retouch also the setting of the combustion head, with the
burner running, operate on the rod (1) with a 6 mm spanner (2) as follows:
TURN TO THE RIGHT: (sign +)
In order to increase the volume of air entering the combus-
tion chamber and thus diminishing its pressure.
There is a reduction of CO2and the adhesion of the
flame to the air diffuser disc improves.
(Setting advisable for ignitions at low temperatures).
TURN TO THE LEFT: (sign –)
In order to reduce the volume of air entering the com-
bustion chamber and thus increasing its pressure. The
CO2improves and the adhesion of the flame to the dif-
fuser tends to reduce.
(This setting is not advisable for ignitions at low temper-
atures).
In any case do not bring the combustion head setting
more than one point away from that indicated in the
schedule. One set-point corresponds to 3 turns of the
rod; a hole (3) at its end facilitates counting the number
of turns.
2
In the sketch on the left, the combustion head
is set for an output of 3.50 GPH at 12 bar,
while the shutter is level with set-point 3.5, as
required by the above schedule.
Blast tube
Regulating rod
Shutter
Terminal plane of the blast tube
D5284
2
135
1
2 3
6
D8068

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PUMP-PRESSURE AND AIR-FLOW
The burner, in order to guarantee good smooth starts, irrespective of the type of boiler, is fitted with a
hydraulic device which, independently of the control-box, reduces the fuel- and air-flow.
At ignition, the pressure at the nozzle is 9 bar. After 4 - 6 seconds, it automatically increases to 12 bar.
The air-flow, initially adjusted to the low setting, is, at the change-over of pressure, automatically
brought to the air-flow required for the big flame.
SETTING FOR THE LOW IGNITION-FLAME
Air-damper adjustment
Loosen the screw (1), by approximately one full turn; in this way, the burner remains permanently
on low flame.
Loosen the nut (2), turn the screw (3), in order to set the air-damper (4) in the position required.
Then, lock the nut (2) and tighten the screw (1).
Reducer-adjustment
The pressure-reducer is factory set, at 9 bar.
The pressure-gauge should be mounted, in place of plug (6).
Should it be necessary to re-set or alter such pressure, this can be done, by adjusting screw (5)
(always, after having loosened screw 1 ).
HIGH-FLAME SETTING
Air-damper adjustment
Loosen the nut (7), turn the screw (8), until the air-damper (4) is in the required position.
Then, lock the nut (7).
Pump-adjustment
The pump-pressure is pre-set, during production, at 12 bar.
Should it become necessary to re-set or alter such pressure, this can be done by turning screw (9).
S7336
S7334

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AIR DAMPER ADJUSTMENT:
The settings indicated in the schedule refer to the burner with its metal cover fitted and the combus-
tion chamber with “zero” depression.
These regulations are purely indicative.
Each installation however, has its own unpredictable working conditions: actual nozzle output; pos-
itive or negative pressure in the combustion-chamber, the need of excess air, etc.
All these conditions may require a different air-damper setting.
It is important to take account of the fact that the air out-
put of the fan differs according to whether the burner
has its metal cover fitted or not.
Therefore we recommended to proceed as follows:
– adjust the air damper as indicated in the schedule (3);
– mount the cover, simply by means of the upper screw;
– check smoke number;
– should it become necessary to modify the air output,
remove the cover by loosening the screw, adjust the air
damper, remount the cover and finally recheck the smoke
number.
NOTE: When the burner works at a firing rate higher
than 18 kg/h remove the panel fitted inside the metal cover.
(See figure).
ELECTRODE SETTING (see fig. 7)
3
PANEL
S7335
Attention:
Before assembling or remov-
ing the nozzle, loosen the
screw (A) and move the
electrodes ahead.
4± 0.3 mm
D6303 A
MOVE THE ELECTRODE
HOLDER BACKWARDS
TO THE END
6.5 ± 0.5 mm
Fig. 7

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BURNER START-UP CYCLE
ADJUSTMENTS, TO AVOID FLAME - DETACHMENT, AT BURNER - IGNITION
1) CORRECT POSITIONING OF THE ELECTRODES
(See fig. 7)
2) NOZZLE: ATOMIZING ANGLE
Choose 60° nozzle
3) COMBUSTION-HEAD SETTING
Regulate the combustion-head one set-point further ahead than indicated in the instructions.
Example: the instructions require to set the combustion-head on set-point 3.5.
Instead, the setting is made on set-point 4.5.
4) FAN - AIR DAMPER ADJUSTMENT
Adjust the damper, reducing the excess air until the Bacharach number is not near 1.
(i.e. a combustion with the lowest possible excess-air).
Normal Lock-out, due to light-failure
~12s D5796 ~5s
Thermostat
Motor
Ignition transformer
Valve
Ignition flame
Lock-out lamp
High flame
~6s ~12s

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说明书的相关信息
引言
说明书随燃烧器一起提供：
- 说明书是产品不可或缺的组成部分，不得将其与产品分离；因此必须
小心保存以便查阅，如果将燃烧器转给另一个用户或转移至另一个系
统，则说明书必须跟随燃烧器一起转移。如果说明书损坏或丢失，则
必须从您就近的 Technical Assistance Centre （技术支持
中心）索取说明书的复印件；
- 说明书只能由有资格的人员使用；
- 说明书提供了有关燃烧器安装、启动、使用和维护的重要指示和安全
警告。
系统和说明书的交付
一旦交付系统：
- 系统制造商也必须将说明书交付给用户，并建议其将说明书保存在热
发生器的安装区域附近。
- 说明书上显示：
- 燃烧器的序列号；
- 最近 Assistance Centre （支持中心）的地址和电话号码；
- 系统制造商必须告知用户有关以下内容的准确信息：
- 系统的使用；
- 启动系统前需要进行的测试；
- 必需的维护和检查 （每年必须由制造商代表或别的专业技术人员
至少检查系统一次）。
要保证定期检查， 建议遵照 Maintenance Contract （维护
合同）的规定。
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技术数据
O带有 CE 标志的燃烧器符合欧共体的如下指令：EMC 2004/108/EC, 低电压 2006/95/EC。
O根据 EN 60529 标准，
燃烧器满足 IP 40 保护等级。
类型 482T1 482T58
热功率 - 输出 95 – 240 kW – 8 – 20 kg/h
燃料 轻油 , 20 °C 时最大粘度 : 6 mm2/s
电源 单相 ,230V
±10% ~50Hz
电机 运行电流 1.5A
2750 rpm – 288 rad/s 运行电流 2.2A 3250 rpm – 340 rad/s
电容 5 F4F
点火变压器 次级 8 kV – 16 mA
油泵 压力 7-15bar 压力 8 -15bar
额定功率 0.33 kW 0.41 kW
1–回油管
2–进油管
3–压力表接口
4–调压螺栓
5–真空表接口
6–液压装置
7–燃烧头调节螺栓
8–锁定指示灯及复位按钮
9–带密封隔热垫的法兰
10 –延时继电器
燃烧器附件
数量 说明
2
1
4
1
1
1
带接头的油软管
带密封隔热垫的法兰
法兰用螺钉及螺母
铰链
法兰用的两个螺母和螺栓
电缆护套
D8077
图.1

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负荷图
主要尺寸
3.6
0
2.4
炉膛背压 – mbar
8101214 耗油量 - kg/h
90 120 240 燃烧器出力 - kW
D5797 150 180 210
1.2
16 18 20
0.3
法兰 燃烧器
350 118 295
160
=
41
45°
ø125
298
11
230
D5283
=
213
99 99
190
45°

3 20013755
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安装
安装
先安装法兰 (1)，螺栓和两个螺母，( 见图 2)。
如有必要可以适当扩大螺栓孔 (5)，( 见图 3)。
用螺栓 (2) 和螺母 (3) （如果需要）将法兰 (1) 固定到炉门 （4）上，并插入密封隔热垫 (5)(见图 4)。
维护
维护燃烧头、稳焰盘、电极和喷嘴 , ( 见图 5)。
松开固定法兰的螺母后，将燃烧器从锅炉内拉出来。
将燃烧器 悬挂在法兰 (1) 上，松开固定螺栓 (7) 后拆除燃烧头 (6)。
松开固定螺钉，从喷嘴座 (8) 上拆下稳压盘支架 (9)。拆卸喷嘴 （10）。
喷嘴螺钉 (10)。
图6
确保燃烧器的安装如图所示稍稍倾斜 （见图 6）。
燃烧器的设计允许油管分别从燃烧器的两侧进入并连接。
D5572
D5012
图 2
1
图 3
5
E9022
D8058
1
图4
43
2
2
5
110
9
8
7
6
图5
D8056 D8057

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油管系统
警告：在开启燃烧器之前确认回油管没有堵塞；任何回油管路的堵塞都将导致泵密封件的损坏。电气接
油泵进油口真空度最大不能超过 0.4bar
（30m Hg）。
如果超过此值会引起油气分离。
油管路必须完全密封。
在油箱中的回油管应与进油管在相同水
平面上，在这种情况下不需要止回阀。
当回油管高于油面时，需要加装止回阀。
但是由于止回阀存在泄露的可能，因此
不如前种方法安全。
首次启动油泵
启动燃烧器后等待油泵注油。如果轻油
到达油泵前燃烧器锁定报警，这时至少
需要等待 20 秒后，再按复位按钮，重新
启动。
进油管上必须安装过滤器。
H
米
L米
I. D.
8 毫米 I.D. 10 毫米
0.5
1
1.5
2
10
20
40
60
20
40
80
100
警告：
油泵采用双油管系统。
若使用单管系统，必须拆掉旁路螺栓 （A）（如下图所示）。
A
H
米
L米
I. D.
8 毫米 I.D. 10 毫米
0
0.5
1
1.5
2
3
3.5
35
30
25
20
15
8
6
100
100
100
90
70
30
20
H最大值 4 m
H
H
最大值 4 m
最小值 0.1 m
D5219
D5220
D5199
H=高度差
L=进油管的最大长度
I.D.=油管内径
首次启动油泵
拧开泵的真空表接口螺钉直至有油流出（见1页，图5）。

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线
S7333
棕色
白色
(50V)
蓝色
电机
电容器
调节温控开关置
零线
保险开关
最大 6A
NL
M
~
黑色
注意：
–电源线采用截面为 1 mm2的电线。
–电线连接应符合本国标准。
–如果想拆下燃烧器控制盒，拧松螺钉 (A)（见图）
并向箭头方向拔出控制盒即可。
–光电管直接安装在控制盒上的插座上 （在点火变
压器底部）。
测试
检查启动温控器断开后燃烧器是否停机。
警告
零线与火线不要接反。
230V ~50Hz
NL
启动温控开关带手动复位
(最大 230V - 0.5A ),
123456789
蓝色
棕色
控制盒接线端子
530SE*
阀门
T
T
电气连接
1- 线套 N- 零线
2- 线卡 L- 相线
3- 接线端子 - 地线
注意
不连接燃烧器的接地线，将导致控制盒损
坏。
D5228
黑色
安装方负责完成
工厂完成

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燃烧调整
根据效率指令 92/42/EEC，燃烧器应用在热水锅炉上时，燃烧器的调试和测试必须按照锅炉的使用说明
执行，这一工作包括调整烟气中的 CO 和 CO2 的含量，烟其温度和锅炉水温。
为适应不同的出力要求，按下表所示装上合适的喷嘴，然后调整油泵压力、设置燃烧头的位置和风门开
度。
表中所示数值是在 CEN 锅炉 ( 符合 EN 267 标准 )上应用时测试得到。
参考条件：常压下二氧化碳的浓度为 12.5%，轻油油温和室温为 20 °C。
推荐的喷嘴 :Monarch R - PLP 型
Delavan B - W 型
Steinen S - SS 型
Danfoss S - B 型
雾化角: 60° :一般情况下，采用此雾化角，点火容易。
用于狭长的燃烧室时，建议使用实心型喷嘴 (例如：60° B)。
TYPE
喷嘴 油泵压力 燃烧器
出力
燃烧头 调整 风门挡板调节
小火 大火
GPH 雾化角 bar kg/h ± 4% 设置点 设置点 设置点
482T1
2.00 60° 12 8.0 1 2.2 2.5
2.25 60° 12 9.0 1.5 2.5 2.9
2.50 60° 12 10.0 2 2.7 3.1
3.00 60° 12 12.0 2.5 3.1 3.7
3.50 60° 12 14.0 3.5 3.5 4.8
4.00 60° 12 16.1 4 4 6
4.50 60° 12 18.1 5 4.5 7
4.50 60° 14 19.5 6 5 8
482T58
2.00 60° 12 8.0 1 1.8 2.0
2.25 60° 12 9.0 1.5 2.1 2.5
2.50 60° 12 10.0 2 2.4 2.8
3.00 60° 12 12.0 2.5 2.8 3.2
3.50 60° 12 14.0 3.5 3.2 4.0
4.00 60° 12 16.1 4 3.6 5.0
4.50 60° 12 18.1 5 4.0 6.0
4.50 60° 14.5 19.9 6 4.5 7.0
1
2
3
1