Viessmann VITOPLEX 200 Type SX2A Quick start guide

VIESMANN Oil/gas boilers
90 to 2000 kW
Design and operating information for hot water boilers up to
110 ºC to EN 12828, or up to 120 ºC to EN 12953
VITOPLEX 200 Type SX2A
VITOPLEX 300 Type TX3A
VITORADIAL 300-T Type VR3
VITOROND 200 Type VD2A
VITOROND 200 Type VD2
5822 426 GB 5/2010
Technical guide

Index
1. Vitoplex 200, type SX2A, 90 to
560 kW
1. 1 Product description ................................................................................................... 5
1. 2 Operating conditions with Vitotronic boiler control units and Therm-Control ............ 5
2. Vitoplex 200, type SX2A, 700 to
1950 kW
2. 1 Product description ................................................................................................... 6
2. 2 Operating conditions with Vitotronic boiler control units ........................................... 6
3. Vitoplex 300, type TX3A, 90 to
500 kW
3. 1 Product description ................................................................................................... 7
3. 2 Operating conditions with Vitotronic boiler control units and Therm-Control ............ 7
4. Vitoplex 300, type TX3A, 620 to
2000 kW
4. 1 Product description ................................................................................................... 8
4. 2 Operating conditions with Vitotronic boiler control units and Therm-Control ............ 8
5. Vitoradial 300-T, type VR3, 101 to
335 kW
5. 1 Product description ................................................................................................... 9
5. 2 Operating conditions with Vitotronic boiler control units and Therm-Control ............ 9
6. Vitorond 200, type VD2A, 125 to
270 kW
6. 1 Product description ................................................................................................... 10
6. 2 Operating conditions with Vitotronic boiler control units and Therm-Control ............ 10
7. Vitorond 200, type VD2, 320 to
1080 kW
7. 1 Product description ................................................................................................... 11
7. 2 Operating conditions with Vitotronic boiler control units ........................................... 11
8. Burner 8. 1 Specification, Vitoflame 100, type VEH III ................................................................ 12
8. 2 Specification, Vitoflame 100, type VG III .................................................................. 15
9. Installation accessories 9. 1 Specification ............................................................................................................. 19
■ Accessories for heating circuits ............................................................................ 19
10. Design information 10. 1 Delivery, handling and installation ............................................................................ 27
■ Delivery ................................................................................................................. 27
■ Handling and positioning ....................................................................................... 27
■ Installation room .................................................................................................... 27
■ Load-bearing boiler cover ..................................................................................... 28
10. 2 System design .......................................................................................................... 28
■ Flow temperatures ................................................................................................ 28
■ Safety temperatures .............................................................................................. 28
■ Selection of rated output ....................................................................................... 28
■ Requirements through heat load ........................................................................... 28
■ Pump-controlled pressure maintaining systems ................................................... 29
10. 3 Water connection ...................................................................................................... 29
■ Heating connections ............................................................................................. 29
■ Boiler circuit and shunt pumps .............................................................................. 29
■ System accessories .............................................................................................. 29
■ Sample applications .............................................................................................. 30
10. 4 Safety equipment ...................................................................................................... 30
■ General information .............................................................................................. 31
■ Safety accessories selection table ........................................................................ 31
10. 5 Fuel ........................................................................................................................... 31
10. 6 Burners ..................................................................................................................... 32
■ Suitable burners .................................................................................................... 32
■ Burner installation ................................................................................................. 32
■ Burner settings ...................................................................................................... 32
10. 7 Flue gas routing ........................................................................................................ 32
■ Requirements in accordance with the Sample Combustion Order [Germany] ..... 32
■ Sizing the flue system ........................................................................................... 33
■ Chimney diagrams ................................................................................................ 33
■ Flue system for condensing boilers ...................................................................... 35
■ Flue system installation options for the Vitoradial 300-T ...................................... 35
■ Flue system for the Vitoradial 300-T ..................................................................... 35
■ CE designation for the PPs flue gas systems for the Vitoradial 300-T ................. 37
■ Open flue operation with the Vitoradial 300-T ....................................................... 38
■ Individual components of the plastic flue system .................................................. 38
■ Connecting a plastic flue pipe (PPs) to a moisture-resistant chimney (MR chimney,
negative pressure) ................................................................................................ 43
10. 8 Sound insulation ....................................................................................................... 44
■ Attenuating airborne noise .................................................................................... 44
■ Attenuating structure-borne noise ......................................................................... 44
■ Noise attenuating accessories .............................................................................. 44
Index
2VIESMANN OIL/GAS BOILERS
5822 426 GB

10. 9 Standard values for water quality ............................................................................. 44
■ Heating systems with rated operating temperatures up to 100 ºC (VDI 2035) ..... 44
■ Heating systems with permissible flow temperatures in excess of 100 ºC (VdTÜV
DS 1466) ............................................................................................................... 45
■ Using antifreeze in boilers ..................................................................................... 46
■ Prevention of damage through corrosion on the water side ................................. 47
10.10 Vitotrans 300 flue gas/water heat exchanger ........................................................... 47
■ Downstream installation of a Vitotrans 300 flue gas/water heat exchanger for rais-
ing the efficiency ................................................................................................... 47
■ Energy savings from using a Vitotrans 300 flue gas/water heat exchanger in con-
junction with Vitoplex and Vitorond boilers ........................................................... 47
■ Calculation of possible energy savings (BE) ........................................................ 48
■ Hydraulic connection ............................................................................................. 48
■ Condensate and neutralisation ............................................................................. 49
■ Positioning the neutralising system ....................................................................... 49
11. Control units 11. 1 Overview of boiler control units and control panels .................................................. 49
■ Single boiler systems ............................................................................................ 50
■ Multi-boiler systems .............................................................................................. 51
■ Switching points .................................................................................................... 53
11. 2 Components in the delivered condition ..................................................................... 53
■ Allocation to control unit types .............................................................................. 53
■ Boiler water temperature sensor ........................................................................... 54
■ Cylinder temperature sensor ................................................................................. 54
■ Outside temperature sensor ................................................................................. 54
11. 3 Vitotronic 100, type GC1, part no. 7248 083 ............................................................ 54
■ Specification .......................................................................................................... 54
■ Delivered condition ............................................................................................... 56
11. 4 Vitotronic 200, type GW1, part no. 7248 084 ............................................................ 56
■ Specification .......................................................................................................... 56
■ Delivered condition ............................................................................................... 58
11. 5 Vitotronic 300, type GW2, part no. 7248 085 ............................................................ 58
■ Specification .......................................................................................................... 58
■ Delivered condition ............................................................................................... 60
11. 6 Vitotronic 300-K, type MW1, part no. 7248 233 ........................................................ 60
■ Specification .......................................................................................................... 60
■ Delivered condition ............................................................................................... 61
11. 7 Control unit accessories ........................................................................................... 62
■ Allocation of accessories according to control unit type ....................................... 62
■ Extension kit for one heating circuit with mixer ..................................................... 62
■ Mixer motor for flanged mixers ............................................................................. 63
■Plug sÖ ................................................................................................................. 63
■Plug gS ................................................................................................................. 63
■ Plugs for sensors .................................................................................................. 63
■ Contact temperature sensor ................................................................................. 63
■ Immersion temperature sensor ............................................................................. 64
■ Immersion thermostat ........................................................................................... 64
■ Contact thermostat ................................................................................................ 64
■ Information regarding the Vitotrol 200 and 300 ..................................................... 64
■ Vitotrol 200 ............................................................................................................ 65
■ Vitotrol 300 ............................................................................................................ 65
■ Room temperature sensor .................................................................................... 66
■ Flue gas temperature sensor ................................................................................ 66
■ Radio clock receiver .............................................................................................. 66
■ Plug-in adaptor for external safety equipment ...................................................... 67
■ Function extension 0–10 V ................................................................................... 67
■ Functions in connection with the function extension 0 – 10 V (accessory) ........... 68
■ Cylinder temperature sensor ................................................................................. 68
■ Sensor well ........................................................................................................... 69
■ Contactor relay ...................................................................................................... 69
■Mating plugs fA and lÖ ....................................................................................... 69
■ LON communication module ................................................................................. 69
■ LON connecting cable for data exchange between control units .......................... 69
■ Extension of the connecting cable ........................................................................ 70
■ Terminator (2 pce.) ............................................................................................... 70
Index (cont.)
OIL/GAS BOILERS VIESMANN 3
5822 426 GB

11. 8 On site connections .................................................................................................. 70
■ Auxiliary functions for single boiler systems with the Vitotronic 200, type GW1 or
Vitotronic 300, type GW2 ...................................................................................... 70
■ Auxiliary functions for multi-boiler systems with the Vitotronic 300-K and Vitotronic
100, type GC1 via LON ......................................................................................... 71
■ Connection to on-site control units to the Vitotronic 100, type GC1 in single boiler
systems ................................................................................................................. 72
■ Boiler sequence control with on-site cascade controller — Connections to the
Vitotronic 100, type GC1 ....................................................................................... 73
■ Hook-up of on-site control equipment via LON ..................................................... 74
12. Appendix 12. 1 Safety regulations and requirements ........................................................................ 75
■ Notification and required permits .......................................................................... 75
■ Permit requirement and testing to the Health & Safety at Work Act (BetrSichV)
[Germany] ............................................................................................................. 75
■ General information regarding low pressure hot water boilers with safety temper-
atures of up to 110/120 ºC .................................................................................... 75
■ Gas installation ..................................................................................................... 76
■ Pipe connections ................................................................................................... 76
■ Electrical installation ............................................................................................. 76
■ Operating instructions ........................................................................................... 76
■ Flue system ........................................................................................................... 76
■ Energy Saving Ordinance (EnEV) ........................................................................ 76
■ German Immissions Order (BImSchV) ................................................................. 76
■ Checks as part of the Building Regulations approval process .............................. 77
13. Keyword index .............................................................................................................................................. 78
Index (cont.)
4VIESMANN OIL/GAS BOILERS
5822 426 GB

1.1 Product description
Low temperature oil/gas boiler
For operation with modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 ºC (up
to 120 °C on request)
Permissible operating pressure 4 bar
■ CE designation: CE-0085BQ0020
– according to Efficiency Directive 92/42/EEC (up to 350 kW)
– according to Gas Appliances Directive 2009/142/EC
■ Economical and environmentally friendly through modulating boiler
water temperature.
Standard seasonal efficiency [to DIN] for operation with fuel oil:
89 % (Hs)/95 % (Hi).
■ Optional stainless steel flue gas/water heat exchanger for higher
standard seasonal efficiency [to DIN] through condensing technol-
ogy.
■ Three-pass boiler with low combustion chamber loading for clean
combustion with low emissions.
■ Wide water galleries and large water content provide excellent nat-
ural circulation and safe heat transfer.
■ Integral Therm-Control start-up system for easy hydraulic connec-
tions – a shunt pump and a return temperature raising facility are not
required.
■ Low water indicators are not required up to 300 kW.
■ Compact design for easy transportation and economical use of
space – important for modernisation projects.
■ Vitoflame 100 to 270 kW Unit pressure-jet oil/gas burners are avail-
able.
■ Fastfix assembly system for control unit and thermal insulation.
1.2 Operating conditions with Vitotronic boiler control units and Therm-Control
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*1 None*2
3. Low-end boiler water temperature – Oil operation 50 °C – Oil operation 60 °C
– Gas operation 60 °C – Gas operation 65 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode Single boiler systems and lead boiler of multi-boiler systems
– Operation with the low-end boiler water temperature
Lag boilers of multi-boiler systems
– Can be shut down
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*1 For a corresponding sample application using the Therm-Control start-up system, see technical guide sample applications.
*2 No requirements only in conjunction with Therm-Control.
Vitoplex 200, type SX2A, 90 to 560 kW
OIL/GAS BOILERS VIESMANN 5
5822 426 GB
1

2.1 Product description
Low temperature oil/gas boiler
Three-pass boiler
For operation with modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 °C (up
to 120 °C on request)
Permissible operating pressure 6 bar
■ CE designation: CE-0085BQ0020
– according to Gas Appliances Directive 2009/142/EC
■ Economical and environmentally friendly through modulating boiler
water temperature.
Standard seasonal efficiency [to DIN] for operation with fuel oil:
89 % (Hs)/95 % (Hi).
■ Optional stainless steel flue gas/water heat exchanger for higher
standard seasonal efficiency [to DIN] through condensing technol-
ogy.
■ Three-pass boiler with low combustion chamber loading, resulting in
clean combustion with low emissions.
■ Wide water galleries and large water content provide excellent nat-
ural circulation and safe heat transfer.
■ Long burner runtimes and fewer cycle intervals, due to large water
content, protect the environment.
■ Compact design for easy transportation – important for modernisa-
tion projects.
■ Economical and safe operation of the heating system through the
digital Vitotronic control system with communication capability.
Standardised LON for complete integration into building manage-
ment systems.
2.2 Operating conditions with Vitotronic boiler control units
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*3 – Oil operation 40 °C – Oil operation 53 °C
– Gas operation 53 °C – Gas operation 58 °C
3. Low-end boiler water temperature – Oil operation 50 °C – Oil operation 60 °C
– Gas operation 60 °C – Gas operation 65 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode Single boiler systems and lead boiler of multi-boiler systems
– Operation with the low-end boiler water temperature
Lag boilers of multi-boiler systems
– Can be shut down
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*3 For sample applications, see technical guide sample applications.
Vitoplex 200, type SX2A, 700 to 1950 kW
6VIESMANN OIL/GAS BOILERS
2
5822 426 GB

3.1 Product description
Low temperature oil/gas boiler
Three-pass boiler with multi-layered convection heating surfaces
For operation with a modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 ºC (up
to 120 °C on request)
Permissible operating pressure 4 bar
■ CE designation: CE-0085BT0478
– according to Efficiency Directive 92/42/EEC (up to 390 kW)
– according to Gas Appliances Directive 2009/142/EC
■ Multi-layered convection heating surfaces for high operational relia-
bility and a long service life.
■ Standard seasonal efficiency [to DIN] for operation with fuel oil:
90 % (Hs)/96 % (Hi).
■ Optional stainless steel flue gas/water heat exchanger for higher
standard seasonal efficiency [to DIN] through condensing technol-
ogy.
■ Three-pass boiler with low combustion chamber loading, resulting in
clean combustion with low emissions.
■ Wide water galleries and large water content provide excellent nat-
ural circulation and safe heat transfer.
■ The integral Therm-Control start-up system replaces the shunt pump
or constant raising of the return temperature, thereby saving instal-
lation time and costs.
■ Economical and safe operation of the heating system through the
digital Vitotronic control system with communication capability.
Standardised LON BUS for complete integration into building man-
agement systems.
3.2 Operating conditions with Vitotronic boiler control units and Therm-Control
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*1 None*2
3. Low-end boiler water temperature – Oil operation 40 °C – Oil operation 50 °C
– Gas operation 50 °C – Gas operation 60 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode Single boiler systems and lead boiler of multi-boiler systems
– Operation with the low-end boiler water temperature
Lag boilers of multi-boiler systems
– Can be shut down
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*1 For a corresponding sample application using the Therm-Control start-up system, see technical guide sample applications.
*2 No requirements only in conjunction with Therm-Control.
Vitoplex 300, type TX3A, 90 to 500 kW
OIL/GAS BOILERS VIESMANN 7
5822 426 GB
3

4.1 Product description
Low temperature oil/gas boiler
Three-pass boiler with multi-layered convection heating surfaces
For operation with a modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 ºC (up
to 120 °C on request)
Permissible operating pressure 6 bar
■ CE designation: CE-0085BT0478
– according to Gas Appliances Directive 2009/142/EC
■ Multi-layered convection heating surfaces for high operational relia-
bility and a long service life.
■ Standard seasonal efficiency [to DIN] for operation with fuel oil:
90 % (Hs)/96 % (Hi).
■ Optional stainless steel flue gas/water heat exchanger for higher
standard seasonal efficiency [to DIN] through condensing technol-
ogy.
■ Three-pass boiler with low combustion chamber loading, resulting in
clean combustion with low emissions.
■ Wide water galleries and large water content provide excellent nat-
ural circulation and safe heat transfer.
■ The integral Therm-Control start-up system replaces the shunt pump
or constant raising of the return temperature, thereby saving instal-
lation time and costs.
■ Fastfix assembly system for rapid and simple installation.
■ With walk-on boiler cover – for easier installation and maintenance.
■ Economical and safe operation of the heating system through the
digital Vitotronic control system with communication capability.
Standardised LON BUS for complete integration into building man-
agement systems.
4.2 Operating conditions with Vitotronic boiler control units and Therm-Control
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*1 None*2
3. Low-end boiler water temperature – Oil operation 40 °C – Oil operation 50 °C
– Gas operation 50 °C – Gas operation 60 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode The boiler can be switched OFF if no heat is required.
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*1 For a corresponding sample application using the Therm-Control start-up system, see technical guide sample applications.
*2 No requirements only in conjunction with Therm-Control.
Vitoplex 300, type TX3A, 620 to 2000 kW
8VIESMANN OIL/GAS BOILERS
4
5822 426 GB

5.1 Product description
Low temperature boiler with oil/gas condensing heat exchanger
Three-pass boiler with multi-layered convection heating surfaces
and downstream Inox-Radial spiral heat exchanger
For operation with a modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 ºC
Permissible operating pressure 4 bar
■ CE designation: CE-0035BU104
– according to the Efficiency Directive 92/42/EEC
– according to Gas Appliances Directive 2009/142/EC
■ Oil Unit condensing boiler with Vitoflame 100 pressure-jet oil burner
or gas condensing system with on-site burner.
■ Standard seasonal efficiency [to DIN] for operation with fuel oil: 97
% (Hs)/103 % (Hi).
■ Inox-Radial heat exchanger for condensing hot gases, matched to
the compact boiler.
■ Complete with heat exchanger pipework and pump, matched to the
respective boiler output.
■ Long burner runtimes and fewer cycle intervals, due to large water
content, protect the environment.
■ Economical and safe operation of heating systems through the dig-
ital Vitotronic control system with communication capability.
■ Integral Therm-Control start-up system for easy hydraulic connec-
tion – no shunt pump or return temperature raising facility are
required.
■ No low water indicator required, you save even more.
■ Compact design for easy transportation and low build height – impor-
tant for modernisation projects.
5.2 Operating conditions with Vitotronic boiler control units and Therm-Control
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*1 None*2
3. Low-end boiler water temperature – Oil operation 40 °C
– Gas operation 50 °C
– Oil operation 50 °C
– Gas operation 60 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode The boiler can be switched OFF if no heat is required.
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*1 For a corresponding sample application using the Therm-Control start-up system, see technical guide sample applications.
*2 No requirements only in conjunction with Therm-Control.
Vitoradial 300-T, type VR3, 101 to 335 kW
OIL/GAS BOILERS VIESMANN 9
5822 426 GB
5

6.1 Product description
Low temperature oil/gas boiler
Three-pass boiler as cast iron sectional design (available as a block
or in individual sections)
For operation with modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 °C
Permissible operating pressure 6 bar
■ CE designation: CE-0085BS0005
– according to the Efficiency Directive 92/42/EEC
– according to Gas Appliances Directive 2009/142/EC
■ Economical and environmentally friendly through modulating boiler
water temperature.
Standard seasonal efficiency [to DIN] for operation with fuel oil:
88 % (Hs)/94 % (Hi).
■ Standard seasonal efficiency [to DIN] improved by up to 12 % due
to condensing technology with stainless steel flue gas/water heat
exchanger Vitotrans 300.
■ Three-pass boiler, enabling clean combustion with low emissions.
■ Eutectoplex heating surface for high operational reliability and a long
service life. The homogeneous structure of the special eutectic cast
iron provides an even thermal transfer and prevents stress fractures.
■ Integral Therm-Control start-up system for easy hydraulic connec-
tions – a shunt pump and a return temperature raising facility are not
required.
■ Fastfix assembly system for rapid and simple installation.
■ Fast and straightforward assembly of individual cast iron sections
through tongue & groove system with resilient seal for permanent
hot gas tightness.
■ Economical and safe operation of the heating system through the
digital Vitotronic control system with communication capability.
Standardised LON BUS for complete integration into building man-
agement systems.
6.2 Operating conditions with Vitotronic boiler control units and Therm-Control
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate None
2. Boiler return temperature (minimum value)*3 None*2
3. Low-end boiler water temperature – Oil operation 50 °C – Oil operation 60 °C
– Gas operation 60 °C – Gas operation 65 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode Single boiler systems and lead boiler of multi-boiler systems
– Operation with the low-end boiler water temperature
Lag boilers of multi-boiler systems
– Can be shut down
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*3 For sample applications, see technical guide sample applications.
*2 No requirements only in conjunction with Therm-Control.
Vitorond 200, type VD2A, 125 to 270 kW
10 VIESMANN OIL/GAS BOILERS
6
5822 426 GB

7.1 Product description
Low temperature oil/gas boiler
Three-pass boiler in individual cast iron sections
For operation with modulating boiler water temperature
Permissible flow temperature (= safety temperature) up to 110 ºC
Permissible operating pressure 6 bar
■ CE designation: CE-0085AS0002
– according to Efficiency Directive 92/42/EEC (up to 380 kW)
– according to Gas Appliances Directive 2009/142/EC
■ Economical and environmentally friendly through modulating boiler
water temperature.
Standard seasonal efficiency [to DIN] for operation with fuel oil:
88 % (Hs)/94 % (Hi).
■ Improvement in the standard seasonal efficiency [to DIN] by utilising
condensing technology with
stainless steel flue gas/water heat exchanger Vitotrans 300.
■ Three-pass boiler, enabling clean combustion with low emissions.
■ Eutectoplex heating surface for high operational reliability and a long
service life. The homogenous structure of the special eutectic cast
iron ensures an even heat transfer and prevents stress fractures.
■ Fastfix assembly system for rapid and simple installation.
■ Easy installation even in tight spaces through sectional design and
low transport weight of individual sections.
■ Fast and straightforward assembly of individual cast iron sections
through double groove system and resilient seal for permanent hot
gas tightness.
■ Economical and safe operation of the heating system through the
digital Vitotronic control system with communication capability.
Standardised LON BUS for complete integration into building man-
agement systems.
7.2 Operating conditions with Vitotronic boiler control units
Requirements
Operation with burner load ≥ 60 % < 60 %
1. Heating water flow rate 30 % at rated output
2. Boiler return temperature (minimum value)*3 – Oil operation 40 °C – Oil operation 53 °C
– Gas operation 53 °C – Gas operation 53 °C
3. Low-end boiler water temperature – Oil operation 50 °C – Oil operation 60 °C
– Gas operation 60 °C – Gas operation 65 °C
4. Two-stage burner operation Stage 1; 60 % of rated output No minimum load required
5. Modulating burner operation Between 60 and 100 % of rated output No minimum load required
6. Reduced mode Single boiler systems and lead boiler of multi-boiler systems
– Operation with the low-end boiler water temperature
Lag boilers of multi-boiler systems
– Can be shut down
7. Weekend setback As per reduced mode
Note
For water quality requirements, see page 44.
*3 For sample applications, see technical guide sample applications.
Vitorond 200, type VD2, 320 to 1080 kW
OIL/GAS BOILERS VIESMANN 11
5822 426 GB
7

8.1 Specification, Vitoflame 100, type VEH III
Burner output stage 1/2
Corresponds to the rated thermal load of the boiler.
Vitoflame 100 pressure-jet oil burner in conjunction with a Vitoplex 200
Rated boiler output kW 90 120 150 200 270
Burner output
First/second stage
kW 68/97 91/130 114/163 152/217 205/293
Burner type VEH III-1SX VEH III-2SX VEH III-3SX VEH III-4SX VEH III-5SX
Oil throughput
Stage 1 kg/h 5.8 7.7 9.6 12.8 17.2
l/h 6.8 9.1 11.3 15.1 20.2
Stage 2 kg/h 8.2 11.0 13.7 18.3 24.6
l/h 9.6 12.9 16.1 21.5 28.9
Type test no. to EN 267 G1037/08S
Voltage V 230
Frequency Hz 50
Motor speed rpm 2800
Version Two-stage
Oil pump rate l/h 70
Dimensions
Length (dimension a) mm 418
Width mm 400
Height (dimension b) mm 538
Weight kg 26
Connections
Suction and return lines on the supplied oil
hoses
R⅜
Max. permissible pre-charge pressure
in the supply lines
(for looped lines)
bar 2
Vitoflame 100 pressure-jet oil burner in conjunction with a Vitoplex 300
Rated output
of the boiler
kW 90 115 140 180 235 300
Burner output
First/second stage
kW 68/98 88/125 106/152 137/196 179/255 228/326
Burner type VEHIII-1TXA VEHIII-2TXA VEHIII-3TXA VEHIII-4TXA VEHIII-5TXA VEHIII-6TXA
Oil throughput
Stage 1 kg/h 5.2 7.4 10.6 11.6 15.0 18.2
l/h 6.1 8.7 12.5 13.7 17.7 21.4
Stage 2 kg/h 7.4 10.5 12.8 16.4 21.5 26.1
l/h 8.7 12.4 15.1 19.3 25.3 30.7
Type test no. to EN 267 G1037/08S
Voltage V 230
Frequency Hz 50
Motor speed rpm 2800
Version Two-stage
Oil pump rate l/h 70
Dimensions
Length (dimension a) mm 418
Width mm 400
Height (dimension b) mm 538
Weight kg 26
Connections
Suction and return lines on the supplied
oil hoses
R⅜
Max. permissible pre-charge pres-
sure
in the supply lines
(for looped lines)
bar 2
Burner
12 VIESMANN OIL/GAS BOILERS
8
5822 426 GB

Vitoflame 100 pressure-jet oil burner in conjunction with a Vitoradial 300-T
Rated output
TV/TR = 50/30°C kW 101 129 157 201 263 335
TV/TR = 80/60°C kW 94 120 146 188 245 313
Burner output
First/second stage
kW 68/98 88/125 106/152 137/196 179/254 228/326
Burner type VEHIII-1TXA VEHIII-2TXA VEHIII-3TXA VEHIII-4TXA VEHIII-5TXA VEHIII-6TX
A
Oil throughput
Stage 1 kg/h 5.2 7.4 10.6 11.6 15.0 18.2
l/h 6.1 8.7 12.5 13.7 17.7 21.4
Stage 2 kg/h 7.4 10.5 12.8 16.4 21.5 26.1
l/h 8.7 12.4 15.1 19.3 25.3 30.7
Type test no. to EN 267 G1037/08S
Voltage V 230
Frequency Hz 50
Motor speed rpm 2800
Version Two-stage
Oil pump rate l/h 70
Dimensions
Length (dimension a) mm 418
Width mm 400
Height (dimension b) mm 538
Weight kg 26
Connections
Suction and return lines on the supplied oil
hoses
R⅜
Max. permissible pre-charge pressure
in the supply lines
(for looped lines)
bar 2
Vitoflame 100 pressure-jet oil burner in conjunction with a Vitorond 200
Rated output
of the boiler
kW 125 160 195 230 270
Burner output
First/second stage
kW 95/136 122/174 149/213 175/250 205/293
Burner type VEH III-1VD VEH III-2VD VEH III-3VD VEH III-4VD VEH III-5VD
Oil throughput
Stage 1 kg/h 8.0 11.7 12.5 14.7 17.2
l/h 9.4 13.8 14.7 17.3 20.2
Stage 2 kg/h 11.4 14.6 17.8 21.0 24.6
l/h 13.4 17.2 20.9 24.7 28.9
Type test no. to EN 267 G1037/08S
Voltage V 230
Frequency Hz 50
Motor speed rpm 2800
Version Two-stage
Oil pump rate l/h 70
Dimensions
Length (dimension a) mm 418
Width mm 400
Height (dimension b) mm 538
Weight kg 26
Connections
Suction and return lines on the supplied oil
hoses
R⅜
Max. permissible pre-charge pressure
in the supply lines
(for looped lines)
bar 2
Approved quality
CE designation according to current EC Directives.
Burner (cont.)
OIL/GAS BOILERS VIESMANN 13
5822 426 GB
8

a
b
AService switch (for burner adjustment)
BHood adaptor
CQuick-action fastener
DElectronic ignition
EServomotor
FBurner control unit
GReturn line
HSuction line
ISolenoid valve stage 2
KSolenoid valve stage 1
LFlame monitor
MReset button
NOil line
OOil pump
PFan motor
RFan housing
SImpeller
TInlet air silencer
UAir regulating valve
VBlast tube connection
WFlame tube
XGuide stays
YSensor plate
ZOil burner nozzle
aIgnition electrodes
bIgnition cable
cFlange
Burner (cont.)
14 VIESMANN OIL/GAS BOILERS
8
5822 426 GB

8.2 Specification, Vitoflame 100, type VG III
Burner output stage 1/2
Corresponds to the rated thermal load of the boiler.
Connection values
HuB relative to 1013 m bar and 15 °C gas temperature.
Vitoflame 100 pressure-jet gas burner in conjunction with a Vitoplex
Vitoplex 200 (type SX2) Vitoplex 300 (type TX3A)
Rated output
of the boiler
kW 90 120 150 200 90 115 140 180
Burner output
First/second stage
kW 59/98 78/130 98/163 130/217 59/98 75/125 91/152 118/196
Burner type VG III-2 VG III-3 VG III-4 VG III-5 VG III-2 VG III-3 VG III-4 VG III-5
Product ID CE-0085 AQ 0222 CE-0085 AQ 0222
Voltage V 230 230
Frequency Hz 50 50
Power consumption W 200 225 250 390 225 250 340 390
Motor speed rpm 2800 2800
Version Two-stage Two-stage
Dimensions
Burner:
Length (dimension d) mm 410 410 410 430 410 410 430 430
Width (dimension a) mm 576 576 576 576 576 576 576 576
Height (dimension e) mm 596 596 596 596 596 596 596 596
Gas train:
Dimension f mm 295 295 295 295 295 295 295 295
Dimension b mm 43 51 83 83 51 83 83 102
Dimension g mm 85 63 63 63 63 63 63 15
Dimension h mm 733 733 733 733 733 733 733 743
Dimension c mm 412 420 500 500 420 500 500 545
Weight kg 41 41 41 48 41 41 48 48
Burner with combination valve
Gas supply pressure mbar 20 20
Gas connection R 1 1 1 1¼ 1 1 1 1¼
Connection values
in relation to the max. load
with gas with HuB
Natural gas E 9.45 kWh/m3m3/h 10.4 13.8 17.3 23.0 12.1 14.9 19.5 25.9
34.02 MJ/m3
Natural gas LL 8.13 kWh/m3m3/h 12.0 16.0 20.1 26.7 14.0 17.4 22.7 30.1
29.25 MJ/m3
b
g
f
h
c
e
ad
B
A
AGas shut-off valve
BBoiler door
Burner (cont.)
OIL/GAS BOILERS VIESMANN 15
5822 426 GB
8

Note
The combination valve may be fitted on the r.h. or the l.h. side of the
boiler.
Vitoflame 100 pressure-jet gas burner in conjunction with a Vitorond 200
Rated output
of the boiler
kW 125 160 195
Burner output
First/second stage
kW 82/136 104/174 128/213
Burner type VG III-3R VG III-4R VG III-5R
Product ID CE-0085 AQ 0222
Voltage V 230
Frequency Hz 50
Power consumption W 250 340 390
Motor speed rpm 2800
Version Two-stage
Dimensions
Burner:
Length (dimension d) mm 410 430 430
Width (dimension a) mm 576 576 576
Height (dimension e) mm 596 596 596
Gas train:
Dimension f mm 288 288 288
Dimension b mm 85 85 130
Dimension g mm 63 63 15
Dimension h mm 810 810 810
Dimension c mm 500 500 545
Weight
Burner with combination valve
kg 41
Gas supply pressure mbar 20
Gas connection R (female
thread)
1 1 1¼
Connection values
in relation to the max. load
with gas with HuB
Natural gas E 9.45 kWh/m3m3/h 14.5 18.6 22.6
34.02 MJ/m3
Natural gas LL 8.13 kWh/m3m3/h 16.9 21.6 26.3
29.2 MJ/m3
Approved quality
CE designation according to current EC Directives.
Burner (cont.)
16 VIESMANN OIL/GAS BOILERS
8
5822 426 GB

b
c
d
g
f
e
h
a
AGas shut-off valve
BBoiler door
Note
The combination valve may be fitted on the r.h. or the l.h. side of the
boiler.
ACombination valve
BQuick-action fastener
CServomotor
DAir pressure switch
EFan motor
FReset button
GBurner control unit
HIgnition transformer
KMixer assembly
LIgnition electrode
MSensor plate
NIonisation electrode
Burner (cont.)
OIL/GAS BOILERS VIESMANN 17
5822 426 GB
8

OBlast tube
PImpeller
RInlet air silencer
SBurner hood
TAir regulating valve
UService switch for burner adjustment
VFlange gasket
WBall shut-off valve
Burner (cont.)
18 VIESMANN OIL/GAS BOILERS
8
5822 426 GB

9.1 Specification
Accessories for heating circuits
Divicon heating circuit distributor
for boilers up to 335 kW
Specification
Construction and function
■ 1 to 4 heating circuits can be connected to the flow distributor and
return collector.
■ Free connections are closed via dummy flanges (part of the standard
delivery).
■ The flow distributor and return collector can optionally be arranged
on the r.h or the l.h side of the boiler.
■ Thermal insulation for the Divicon heating circuit distributor is part of
the standard delivery.
Divicon heating circuit distributor, installed adjacent to the boiler
280 - 400
For Vitorond 200, 125 to 270 kW, Vitoplex 200, 90 to 270 kW, Vitoplex
300, 90 to 300 kW, Vitoradial 300-T, 101 to 335 kW and
Vitocrossal 200/300, 87 to 314 kW.
The Divicon heating circuit distributor can also be placed near the
boiler (as an alternative to wall mounting) by means of its separate feet
and on-site pipe connections.
Installation accessories
OIL/GAS BOILERS VIESMANN 19
5822 426 GB
9

Divicon heating circuit distributor, wall mounted
For Vitoplex 200, 90 to 270 kW, Vitoplex 300, 90 to 300 kW, Vitoradial
300-T, 101 to 335 kW, Vitorond 200, 125 to 270 kW and
Vitocrossal 200/300, 87 to 314 kW.
500
c
= 307
b
a
1630
360
910
210
70
420420420
E
E
EL
EL
E Drain
EL Air vent valve
Dimensions
Rated boiler output kW 90-201 235-335
a (DN 25 + DN 32) mm 1186 1196
b (DN 40 + DN 50) mm 1586 1606
c mm 170 173
Connections for an additional consumer (e.g. DHW cylinder)
21080
67
19072,5
2 pipe nipples G 1½ (male thread) on the back of the flow and return
manifolds.
Installation accessories (cont.)
20 VIESMANN OIL/GAS BOILERS
9
5822 426 GB