Viessmann VITOCROSSAL 200 Type CM2 Technical Manual
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Viessmann VITOCROSSAL 200 Type CM2 Technical Manual

Viessmann VITOCROSSAL 200 Type CM2 Technical Manual

Gas condensing boilers 87 to 1400 kw
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VIESMANN
Technical guide
VITOCROSSAL 200
VITOCROSSAL 300
VITOCROSSAL 300
VITOCROSSAL 300
VITOCROSSAL 300
5822 449 GB
5/2013
Type CM2
Type CM3
Type CT3U
Type CT3B
Type CR3B
Gas condensing boilers
87 to 1400 kW

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Summary of Contents for Viessmann VITOCROSSAL 200 Type CM2

  • Page 1 VIESMANN Gas condensing boilers 87 to 1400 kW Technical guide VITOCROSSAL 200 Type CM2 VITOCROSSAL 300 Type CM3 VITOCROSSAL 300 Type CT3U VITOCROSSAL 300 Type CT3B VITOCROSSAL 300 Type CR3B 5822 449 GB 5/2013...

  • Page 2: Table Of Contents

    Index Index Vitocrossal 200, type CM2, 87 to 1. 1 Product description ....................311 kW 1. 2 Operating conditions ....................Vitocrossal 200, type CM2, 400 to 2. 1 Product description ....................620 kW 2. 2 Operating conditions ....................Vitocrossal 300, type CM3, 87 to 3.
  • Page 3 Index (cont.) 8.10 Standard values for water quality ................48 ■ Heating systems with rated operating temperatures in excess of 100 °C (VDI 2035) ......................48 ■ Prevention of damage through corrosion on the water side ......... 49 8.11 Frost protection ......................49 8.12 Condensate and neutralisation .................
  • Page 4 Index (cont.) 9. 9 Control unit accessories ................... 69 ■ Allocation of accessories according to control unit type ........69 ■ Information regarding Vitotrol 200A and 300A ............69 ■ Vitotrol 200A ......................69 ■ Vitotrol 300A ......................70 ■ Information regarding the Vitotrol 200 RF and Vitotrol 300 RF ......71 ■...

  • Page 5: Product Description

    2. Boiler return temperature (minimum value) None 3. Low-end boiler water temperature None 4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit 5. Two-stage burner operation None 6. Modulating burner operation None 7.

  • Page 6: Product Description

    Vitocrossal 200, type CM2, 400 to 620 kW 2.1 Product description Gas condensing boiler with MatriX cylinder burner for natural gas E, ■ Inox-Crossal heat exchanger for highly effective heat transfer and LL and LPG, for open or balanced flue operation high condensation rate.

  • Page 7: Product Description

    2. Boiler return temperature (minimum value) None 3. Low-end boiler water temperature None 4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit 5. Two-stage burner operation None 6. Modulating burner operation None 7.

  • Page 8: Product Description

    2. Boiler return temperature (minimum value) None 3. Low-end boiler water temperature None 4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit 5. Two-stage burner operation None 6. Modulating burner operation None 7.

  • Page 9: Product Description

    2. Boiler return temperature (minimum value) None 3. Low-end boiler water temperature None 4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit 5. Two-stage burner operation None 6. Modulating burner operation None 7.

  • Page 10: Product Description

    2. Boiler return temperature (minimum value) None 3. Low-end boiler water temperature None 4. Lower boiler water temperature with frost protection 10 °C – ensured through the Viessmann control unit 5. Two-stage burner operation None 6. Modulating burner operation None 7.

  • Page 11: Specification

    Installation accessories 7.1 Specification Accessories for heating circuits Divicon heating circuit distribution For boilers up to 314 kW Specification Design 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).
  • Page 12 Installation accessories (cont.) Heating circuit connection DN 40 and DN 50 (shown with mixer) Heating circuit connections Heating circuit connection DN 25 and DN 32 (shown with mixer) A Heating flow B Heating return C Ball valve D Check valve E Circulation pump F 3-way mixer Heating output which can be connected to the heating circuit...
  • Page 13 Installation accessories (cont.) 230 V~, 50 Hz Heating circuit connection Pump type Stratos PICO 25/1-6 Stratos PICO 30/1-6 Stratos 40/1-8 Stratos 50/1-8 Speed range 1200-4230 1200-4230 1400-4800 1400-4800 Power consumption 3-40 3-40 12-310 12-310 Current max. 0.35 max. 0.35 0.22-1.37 0.22-1.37 Head 1000...
  • Page 14 Installation accessories (cont.) E Connection via the contactor in the control panel or contactor Brown relay, part no. 7814 681 Blue F Plug sÖ for connection to the Vitotronic GNYE Green/yellow G 3-core cable for power supply to the pump Colour coding to DIN IEC 60757 Black Black wire with imprint...
  • Page 15 Installation accessories (cont.) Electrical connection Heating circuit pump DN 40 and DN 50 Max. Min. 12 16 20 24 28 32 Flow rate in m³/h Constant pressure Electrical connection Heating circuit pump DN 25 and DN 32 1 2 3 A Connecting cable with plug-in connection N 20 A Power supply...
  • Page 16 Installation accessories (cont.) Residual head Residual head of the heating circuits Mixer pressure drop Deduct the pressure drop of the mixer and the boiler circuit (boiler, pipework, flow distributor and return collector) from the pump head. The total water volume of all heating circuits should be taken into con- sideration in the boiler circuit.

  • Page 17: Hydraulic System Pipework For Two-Boiler System

    Installation accessories (cont.) Heating circuit 3: 30 mbar + 22 mbar = 52 mbar (5.2 kPa) Residual head of the individual heating circuits With Wilo circulation pump Heating circuit Head of the circulation pump (adjustable) mbar 100 to 400 100 to 280 100 to 760 10 to 40 10 to 28...

  • Page 18: Co Limiter For Vitocrossal 300, Type Cm3

    Installation accessories (cont.) For two-boiler systems up to 1260 kW with Vitocrossal 300, type CT3U C Return collector D Motorised butterfly valves E Boiler return connector 2 Dim. a: 1550 mm Rated heating output in kW Nominal diameter Single boiler Two-boiler system 1000 DN 100/125...

  • Page 19: Delivery, Handling And Siting

    Design information 8.1 Delivery, handling and siting Delivery We deliver the equipment to site on a vehicle with crane and will unload the equipment, subject to there being no special hindrance. Handling and siting A sufficient number of lifting eyes is provided on each boiler, to which The boilers may be placed onto concrete without special foundations.

  • Page 20: Safety Equipment For The Installation Room For Vitocrossal 300, Type Cm3

    10,000 1600 Safety temperatures Viessmann boilers correspond to EN 303 and DIN 4702 and all are For the Vitocrossal, the high limit safety cut-out must be changed over type-tested. They are suitable for installation in sealed heating sys- to 100 °C.

  • Page 21: Requirements Through Heat Load

    Design information (cont.) Requirements through heat load The requirements of EN 12831 relating to the heat load calculation are met by the weather-compensated control units. To reduce the heat-up load, the night setback is reduced in the case of low outside temper- atures.

  • Page 22: Heating Circuit Pumps

    Design information (cont.) Heating circuit pumps Heating circuit pumps in heating systems with rated heating output > 25 kW must be equipped or designed in such a way that the power consumption will be matched automatically to the operational delivery demand in at least three stages, if no safety concerns relating to the boiler make demands to the contrary.

  • Page 23: Safety Accessories Selection Table For The Vitocrossal

    Design information (cont.) ■ Minimum pressure switch for CM2, CM3 and CT3B to 314 kW ■ "H" up to 3.0 bar (0.3 MPa) permissible set pressure and max. ■ Minimum pressure limiter for CT3U, CR3B and CT3B from 400 kW 2700 kW heating output ■...

  • Page 24: Burner

    Design information (cont.) Fuel suitability for the Viessmann Matrix burner Vitocrossal 200/300 Type CT3U CT3B Rated heating output 87 to 311 400 to 620 87 to 142 400 to 630 187 to 314 Fuel – Natural gas E (H) – Natural gas LL –...

  • Page 25: Flue Systems For Condensing Boilers

    Design information (cont.) ■ The flue system must be sized in accordance with the internal cross- We recommend you seek advice from your local flue gas inspector. section and height, and if required also according to the thermal resistance and the internal surface, to ensure that the flue gases will be extracted to the outside under all operating conditions and so that no dangerous pressures can be created in any rooms.

  • Page 26: Installation Options For The Vitocrossal Flue System

    Design information (cont.) Installation options for the Vitocrossal flue system Open flue operation Routing through a shaft (type B to TRGI 2008) The boiler 1 draws combustion air from the installation room, and expels flue gas through the flue pipe via the roof (balanced flow). For a detailed description, see from page 31.
  • Page 27 Design information (cont.) Connection to a room sealed balanced flue (type C to TRGI 2008) The boiler draws combustion air from the atmosphere through the annular gap inside the room sealed balanced flue and expels the flue gas to the outside through the moisture-resistant internal pipe via the roof.

  • Page 28: Flue System For The Vitocrossal, 87 To 635 Kw

    Design information (cont.) 8.8 Flue system for the Vitocrossal, 87 to 635 kW Due to the low flue gas temperature and the resulting low updraught At least one inspection port for checking and cleaning as well as for forces as well as the condensation of the flue gases inside the flue checking the pressure must be provided in the flue system.

  • Page 29: Ce Designation For The Pps Flue Systems For The Vitocrossal

    Design information (cont.) CE designation for the PPs flue systems for the Vitocrossal VIESMANN Gas condensing boilers...
  • Page 30 Design information (cont.) VIESMANN Gas condensing boilers...

  • Page 31: Open Flue Operation With The Vitocrossal 200 And Vitocrossal 300

    Design information (cont.) Open flue operation with the Vitocrossal 200 and Vitocrossal 300 A flue pipe between the gas condensing boiler and the shaft, as well System size flue pipe Ø 125, 150, 200 and 250 mm. as for routing through the shaft (type B to TRGI 2008, point 2.3.2), is A boiler flue connection must be ordered for the connection to the Vitocrossal.

  • Page 32: Using Matrix Radiant Burners

    Design information (cont.) Calculating the max. pipe lengths and pipe diameters of the PPs flue system when using MatriX radiant burners Vitocrossal 200 with 87 to 311 kW and Vitocrossal 300 with 87 to Vitocrossal 300 with 400 to 630 kW and Vitocrossal 300 with 408 314 kW for open flue operation to 635 kW for open flue operation Rated heating output...
  • Page 33 Design information (cont.) Required total draught in Pa for the burner selection (boiler and flue pipe) System size DN 200 1 Measured from the height of the flue outlet on the boiler to the top edge of the flue system. Required total draught in Pa for the burner selection (boiler and flue pipe) System size DN 250...
  • Page 34 Design information (cont.) required total burner draught in Pa ■ At a flue height of 16 m, the intersection with the performance/diam- eter curve results in a required draught at the flue outlet of 30 Pa. ■ Dropping the "plumb line" onto the axis below results in a required total burner draught of 190 Pa.

  • Page 35: Balanced Flue Operation With The Vitocrossal 200

    Design information (cont.) Balanced flue operation with the Vitocrossal 200 For balanced flue operation, the Vitocrossal 200 requires a flue pipe If the ventilation air supply is routed separately, use individual com- between the gas condensing boiler and the shaft as well as for routing ponents in the corresponding size for flue pipes.
  • Page 36 Design information (cont.) Combustion air supply via horizontal pipes The details apply subject to the following assumptions: Rated heat- System size Max. height/length in m ■ Length of the connection piece (flue): 2 m and 3 x 87° bends (includ- ing output Flue sys- Ventilation...
  • Page 37 Design information (cont.) Combustion air inlet through the annular gap (angular) The details apply subject to the following assumptions: Rated heating System size, Min. internal Max. flue height ■ Length of the connection piece: 2 m and 3 x 87° bends (including output range in flue system shaft dimen-...

  • Page 38: Individual Components Of The Plastic Flue System

    Design information (cont.) Boiler flue connection (order separately) Flue bend 87° (1 pce) 45° (2 pce) Pipe (Ø 150 mm) – 2 m long (2 pce = 4 m long) – 2 m long (1 pce) – 1 m long (1 pce) –...
  • Page 39 Design information (cont.) Ø 250 System size 250 Spacers (3 pce) System size 250 Shaft cover (Fixing material for securing the shaft cover onto the cover panel is part of the standard delivery) Ø a System size 125, 150 and 200 Ø...
  • Page 40 Design information (cont.) Pipe Plain bend (87°) 500/1000/1880 A System size 125, 150, 200 or 250 System size Dimension [mm] Ø c 7 mm A System size 125, 150, 200 or 250 Pipe, 2 m long (2 pce, from 7 200 mm 1 pce) System size Dimension [mm] Pipe, 2 m long (1 pce)
  • Page 41 Design information (cont.) Ventilation bezel Boiler flue connection (order separately) Ø d A Test port B Optional connection for a flue gas high limit safety cut-out A Spacer Boiler flue Dimension [mm] connection System size Dimension [mm] 7 mm 7 mm 125/125 —...
  • Page 42 Design information (cont.) Extension Dimension [mm] Roof out- Dimension [mm] 7 mm 7 mm 125/150 180.4 1513 150/200 230.4 1500 200/250 Balanced flue roof outlet Cowl, roof outlet Ø a Ø b Ø 110 Cowl Dimension [mm] Ø 150 7 mm b (clamping area) 170-180 225-235...
  • Page 43 Design information (cont.) Universal roof tile (suitable for 25 to 45° roof pitch) Pipe outlet for universal roof tile A Universal roof tile B Pipe outlet for universal roof tile Flat roof collar C Aeration layer Ø a D Thermal insulation E Insulation F Ceiling G Roof outlet...

  • Page 44: Connection With Plastic Flue Pipe (Pps) To A Moisture-Resistant Chimney (Mr Chim Ney, Negative Pressure)

    Design information (cont.) Connection with plastic flue pipe (PPs) to a moisture-resistant chimney (MR chimney, negative pressure) Plug-in adaptor by Schiedel or Plewa adaptor A Adaptor D MR chimney B Flue gas E Inspection port C Secondary ventilation The Vitocrossal condensing boilers may be connected to a moisture- Addresses: resistant chimney if the chimney manufacturer can provide a calcula- Plewa-Werke GmbH...

  • Page 45: Stainless Steel Flue Gas Header For Two-Boiler System

    Design information (cont.) Stainless steel flue gas header for two-boiler system For two-boiler systems up to 622 kW with the Vitocrossal 200, type CM2, 87 to 311 kW Connection to the flue system, optional outlet on the l.h. or r.h. side. Example: outlet on the r.h.
  • Page 46 Design information (cont.) For two-boiler systems up to 1240 kW with the Vitocrossal 200, type CM2, 400 to 620 kW Connection to the flue system, optional outlet on the l.h. or r.h. side. 3° Example: outlet on the r.h. side A Boiler flue connection with test ports and inspection port F Straight length, 500 mm B Motorised flue gas damper...

  • Page 47: Sound Insulation

    Design information (cont.) For two-boiler systems up to 1260 kW with Vitocrossal 300, type CT3U Connection to the flue system, optional outlet on the l.h. or r.h. side. 3° Example: outlet on the r.h. side A Boiler flue connection with test ports and inspection port F Straight length, 500 mm B Motorised flue gas damper with electrical power cables G Inspection cover...

  • Page 48: Attenuating Airborne Noise

    The following is a summary of essential water quality requirements. A system is influenced by the quality of the water. In any event, the cost mobile water treatment system can be hired from Viessmann for filling of a water treatment facility is less than the cost of repairing damage and commissioning.

  • Page 49: Prevention Of Damage Through Corrosion On The Water Side

    An antifreeze additive suitable for heating systems can be added to the fill water. The antifreeze manufacturer must verify its suitability, since otherwise damage to gaskets and diaphragms can occur as well as noise during heating operation. Viessmann accepts no liability for any resulting damage or consequential losses. VIESMANN...

  • Page 50: Condensate And Neutralisation

    A matching boiler control unit is part of the standard delivery of all The temperature sensors are precisely matched to the boiler charac- Viessmann boilers. This control unit has been specially developed for teristics. energy saving and environmentally responsible operation.

  • Page 51: Single Boiler Systems

    Control units (cont.) The Vitocontrol control panels with weather-compensated The following control units are available for these condensing boil- Vitotronic 300-K control unit (type MW1B) for 1 to 4 boilers and 2 heat- ers. ing circuits with mixers, and additional Vitotronic 200-H (type HK1B or HK3B) for 1 or up to 3 heating circuits with mixers, can be supplied for the Vitocrossal 300.

  • Page 52: Multi Boiler Systems

    Control units (cont.) Vitotronic 200, type GW1B Weather-compensated, digital boiler control unit: ■ For single boiler systems. ■ For two-stage or modulating burners. ■ Programming unit featuring a plain text and graphic display. ■ With cylinder temperature controller. ■ Control of a cylinder loading system with mixer assembly possible (only as an alternative to the control of a constant return temperature raising facility with a regulated 3-way mixing valve).

  • Page 53: Control Panel Installation

    Digital boiler control unit: Vitotronic 300- K ■ For every boiler in a multi boiler system with Viessmann Vitotronic 300-K cascade control unit (supplied with one boiler) ■ For every boiler in a multi boiler system with Vitocontrol control panel...

  • Page 54: Switching Points

    3.7 m, fully wired IP rating IP 32 to EN 60529; ensure through appropriate design and installation Sensor type Viessmann NTC 10 kΩ, at 25 °C Permissible ambient temperature – During operation 0 to +130 °C – During storage and transport −20 to +70 °C...

  • Page 55: Boiler Water Temperature Sensor In Conjunction With The Vitotronic

    Cable length 5.8 m, fully wired IP rating IP 32 to EN 60529; ensure through design/installation Sensor type Viessmann NTC 10 kΩ, at 25 °C Permissible ambient temperature – During operation 0 to +90 °C – During storage and transport –20 to +70 °C...
  • Page 56 Control units (cont.) ■ Operating and fault display Multi boiler systems with Vitotronic 300-K cascade control unit: ■ Plug connection chamber: ■ Functions via external contacts: – Connection of external equipment via system plug – External blocking – Connection of three-phase consumers via additional contactors –...

  • Page 57: Delivered Condition

    Control units (cont.) Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current 2 x 6 A~ Power consumption 10 W Safety category IP rating IP 20 D to EN 60529 Ensure through design/ installation Mode of operation Type 1B to EN 60 730-1 Permissible ambient temperature –...
  • Page 58 Control units (cont.) ■ Plug connection chamber: Multi boiler systems with third party control unit: – Connection of external equipment via system plug ■ Functions via external contacts: – Connection of three-phase consumers via additional contactors – Boiler enable/butterfly valve control ■...

  • Page 59: Delivered Condition

    Control units (cont.) Rated relay output breaking capacity gÖ Central fault message facility 4(2) A, 230 V~ sÖ Primary pump, cylinder loading sys- Motorised butterfly valve tem (only in single boiler systems) Motorised 3-way mixing valve, cylin- Switching output 4(2) A, 230 V~ der loading system (only in single Circulation pump for cylinder heating 4(2) A, 230 V~...
  • Page 60 Control units (cont.) Functions ■ Heating curve setting range: ■ Weather-compensated control of the boiler water temperature – Slope: 0.2 to 3.5 (= system flow temperature). – Level: −13 to 40 K ■ Electronic maximum and minimum flow temperature limit. –...

  • Page 61: Delivered Condition

    Control units (cont.) Permissible ambient temperature Slope – During operation 0 to+40 °C Installation in living spaces or boiler rooms (standard ambient con- ditions) – During storage and transport −20 to +65 °C Rated relay output breaking capacity sÖ Heating circuit pump Primary pump, cylinder loading sys- Circulation pump, flue gas/water heat exchanger...
  • Page 62 Control units (cont.) ■ Settings: ■ With boiler protection functions subject to boiler version: – Set room temperatures – ThermControl start-up system – DHW temperature – Shunt pump control – Operating program – Control of a constant return temperature raising facility with regu- –...
  • Page 63 Control units (cont.) Shortest switching interval: 10 min Slope Power reserve: 14 days Setting the operating programs Frost protection monitoring (see frost protection function) for the heat- ing system is enabled in all operating programs. The following operating programs can be selected: ■...

  • Page 64: Delivered Condition

    Control units (cont.) Delivered condition ■ Control with integral programming unit Heating system with heating circuit with mixer ■ Outside temperature sensor A mixer extension kit (accessories) is required for each heating circuit ■ Boiler water temperature sensor with mixer. ■...
  • Page 65 Control units (cont.) ■ Functions via external contacts: Frost protection function – External operating program changeover/External mixer open ■ The frost protection function is switched on if the outside temperature – External blocking/External mixer closed falls below approx. +1 °C, i.e. the heating circuit pump is switched –...

  • Page 66: Delivered Condition

    Control units (cont.) Permissible ambient temperature – during operation 0 to +40 °C Installation in living spaces or boiler rooms (standard ambient con- ditions) – during storage and transportation −20 to +65 °C Rated relay output breaking capacity sÖ Heating circuit pump Primary pump, cylinder loading sys- Circulation pump, flue gas/water heat exchanger...
  • Page 67 Control units (cont.) ■ Indicators: ■ Functions via external contacts: – Common flow temperature – External operating program changeover/External mixer open – DHW temperature – External blocking/External mixer closed – Operating data – External demand with minimum set flow temperature –...

  • Page 68: Delivered Condition

    Control units (cont.) The burners start only when the DHW cylinder needs reheating (con- Safety category trolled by the cylinder temperature controller). IP rating IP 20 D to EN 60529 The respective lower boiler water temperature of each boiler is main- Ensure through design/ tained if required.

  • Page 69: Control Unit Accessories

    Control units (cont.) 9.9 Control unit accessories Allocation of accessories according to control unit type Single boiler system Multi boiler system Vitotronic 300-K Type GC1B GC4B GW1B GW2B GW4B GC1B GC4B MW1B Accessories Vitotrol 200A Vitotrol 300A Vitotrol 200 RF Vitotrol 300 RF Wireless base station Wireless outside temperature sensor...

  • Page 70: Vitotrol 300A

    Control units (cont.) Note The set room temperature for reduced mode (night temperature) is set at the control unit. – Operating program ■ Party and economy mode can be enabled via keys ■ Integral room temperature sensor for room temperature hook-up (only for one heating circuit with mixer) Installation site: ■...

  • Page 71: Information Regarding The Vitotrol 200 Rf And Vitotrol 300 Rf

    Control units (cont.) Information regarding the Vitotrol 200 RF and Vitotrol 300 RF Wireless remote controls with integral wireless transmitter for opera- Up to three wireless remote controls can be connected to the control tion with the wireless base station. unit.

  • Page 72: Vitotrol 300 Rf With Wall Mounting Bracket

    Control units (cont.) Specification Power supply via plug-in power supply unit 230 V~/5 V− Power consumption 2.4 W Radio frequency 868.3 MHz Wireless range See "Wireless accesso- ries" technical guide Safety category IP rating IP 30 to EN 60529 Ensure through design/in- stallation Permissible ambient temperature –...

  • Page 73: Wireless Base Station

    Control units (cont.) Specification Power supply via power supply unit 230 V~/4 V for fitting into a plaster box Power consumption 2.4 W Radio frequency 868.3 MHz Wireless range See "Wireless accesso- ries" technical guide Safety category IP rating IP 30 to EN 60529 Ensure through design/in- stallation Permissible ambient temperature...

  • Page 74: Wireless Outside Temperature Sensor

    Control units (cont.) Wireless outside temperature sensor Part no. 7455 213 Specification Wireless subscriber. Power supply via PV cells and energy store Wireless, light-activated outside temperature sensor with integral wire- Radio frequency 868.3 MHz less transmitter for operation with the wireless base station and the Wireless range See "Wireless accessories"...

  • Page 75: Contact Temperature Sensor

    With retaining clip. G½ x 150 mm. Sensor well For part no., see pricelist For cylinder temperature sensor; with Viessmann DHW cylinders part of the standard delivery. Flue gas temperature sensor Part no. 7452 531 Installation on the flue pipe. The distance from the boiler must be For flue gas temperature scanning, flue gas temperature monitoring approx.

  • Page 76: Mixer Extension Kit

    Components: – During operation 0 to +40 °C ■ Mixer motor with connecting cable (4.0 m long) for Viessmann mixer – During storage and transport −20 to +65 °C DN 20 to 50 and R ½ to 1¼ (not for flanged mixers) and plug...

  • Page 77: Radio Clock Receiver

    Control units (cont.) Specification Cable length 4.2 m, fully wired Setting range 30 to 80 °C Switching differential max. 11 K Breaking capacity 6(1.5) A 250 V~ Setting scale inside the casing Stainless steel sensor well R ½ x 200 mm DIN reg.

  • Page 78: Contactor Relay

    Control units (cont.) Specification IP rating IP 20D to EN 60529; en- sure through design/instal- lation Permissible ambient temperature – During operation 0 to +40 °C – During storage and transport −20 to +65 °C Contactor relay Part no. 7814 681 Specification Contactor in small casing.

  • Page 79: Solar Control Module, Type Sm1

    ■ For DHW circulation diversion in systems with 2 DHW cylinders. ■ For return changeover between the heat generator and the heating For systems with Viessmann DHW cylinders, the cylinder temperature water buffer cylinder. sensor is installed in the threaded elbow (standard delivery or acces- ■...

  • Page 80: Ea1 Extension

    IP rating IP 32 to EN 60529, ensure To capture the temperature in a sensor well. through design/installation Sensor type Viessmann NTC 10 kΩ, at 25 °C Permissible ambient temperature – During operation 0 to +90 °C – During storage and transport −20 to +70 °C...

  • Page 81: Vitocom 100, Type Gsm2

    Control units (cont.) Functions when operating with Vitodata 100: Specification For all heating circuits in a heating system: ■ Remote monitoring: – Forwarding messages via email to terminal devices using the email client function. – Forwarding messages via SMS to mobile phone/smartphone or fax (via chargeable internet service Vitodata 100 fault manage- ment).

  • Page 82: Vitocom 200, Type Lan2

    Control units (cont.) Specification Power supply via plug-in power sup- 230 V~/5 V– ply unit Rated current 1.6 A Power consumption Safety category IP rating IP 30 to EN 60529, ensure through design/installation Mode of operation Type 1B to EN 60730-1 Permissible ambient temperature –...

  • Page 83: Vitocom, Type Lan3

    Control units (cont.) On-site requirements: Power supply via plug-in power sup- 230 V~/5 V– ply unit Type LAN2 Rated frequency 50 Hz ■ DSL router with available LAN socket and dynamic IP address Rated current 250 mA (DHCP). Power consumption ■...

  • Page 84: Vitocom 300, Type Lan3

    ■ In the case of dynamic IP addressing (DHCP), the IP configuration – 4 − 20 mA of the Vitocom 300 occurs automatically. The DSL router requires – Viessmann temperature sensors NTC 10 kΩ, no separate settings. NTC 20 kΩ, Ni500 or Pt500 ■...

  • Page 85: Lon Connecting Cable For Data Exchange Between Control Units

    Control units (cont.) Permissible ambient temperature Accessories Part no. – during operation 0 to +50 °C Additional rechargeable battery pack for UPS Installation in living spaces – Mounting rail installation TS35 to EN 50022, 7143 436 or boiler rooms (standard 35 x 15 and 35 x 7.5.

  • Page 86: Extension Of The Connecting Cable

    Control units (cont.) Extension of the connecting cable ■ Installation distance 7 to 14 m: Part no. 7199 251 – 2 connecting cables (7.0 m long) – 2-core cable, CAT5, screened or JY(St) Y 2 x 2 x 0.8 Part no. 7143 495 on site –...

  • Page 87: Systems

    Control units (cont.) Settings at the Vitotronic 100 C Reduce burner output (modulation controller) ■ Code "01:1" (delivered condition) D Increase burner output (modulation controller) ■ The cylinder temperature control is activated when the cylinder tem- E Plug to the burner perature sensor is connected.

  • Page 88: Connection Of On-Site Control Units To Ea1 Extension In Single Boiler Systems

    Control units (cont.) External control with a modulating burner C T6, T7: Reduce burner output (modulation controller closed) (floating contact for switching 230 V~) D T6, T8: Increase burner output (modulation controller open) (floating contact for switching 230 V~) E Plug to the burner Contact B at plug aBÖ...

  • Page 89: Additional Functions For Single Boiler Systems With Vitotronic 200, Type Gw1B Or Vitotronic 300, Type Gw2B Or Gw4B

    Control units (cont.) Additional functions for single boiler systems with Vitotronic 200, type GW1B or Vitotronic 300, type GW2B or GW4B Plug aVD Plug aVH 1 2 3 1 2 3 A External heating program changeover/mixer "open" A ■ For GW1B and GW2B, external changeover of stepped/modu- B External blocking/mixer "close"...

  • Page 90: Additional Functions For Multi Boiler Systems With Vitotronic 300-K, Type Mw1B Or Vitotronic 100, Type Gc1B Or Gc4B Via Lon

    Control units (cont.) Digital data inputs DE1 to DE3 Functions: ■ External changeover of the operating status, separate for heating circuits 1 to 3 [{{] 0-10V fÖ ■ External blocking with fault message input Ö ■ Fault message input ■ Brief operation of the DHW circulation pump The hooked-up contacts must correspond to safety category II.

  • Page 91: Connection Of On-Site Control Units To Ea1 Extension In Multi Boiler Systems With On-Site Cascade Control Unit

    Control units (cont.) Plug aVD at Vitotronic 100, type GC1B and GC4B Boiler blocking ■ Contact A closed: The boiler is blocked and will be removed from the boiler sequence. This means the butterfly valve is closed and the boiler circuit pump is stopped.

  • Page 92: Boiler Sequence Control With On-Site Cascade Control Unit — Connections To The Vitotronic 100, Type Gc1B

    Control units (cont.) Input function assignment Select the input functions via the codes on the boiler control unit: ■ DE1: Coding address "5d" ■ DE2: Coding address "5E" ■ DE3: Coding address "5F" Boiler sequence control with on-site cascade control unit — connections to the Vitotronic 100, type GC1B Control via contacts: External burner start –...

  • Page 93: Boiler Sequence Control With On-Site Cascade Control Unit — Connections To The Vitotronic 100, Type Gc4B

    Control units (cont.) Operation with a modulating burner External burner start – burner stage 1 Contact at terminals "1" and "2" of plug aVD ■ Contact closed: Burner stage 1 is switched ON. The boiler water temperature is limited by the electronic maximum temperature limiter (see the Vitotronic 100 service instructions), if it is set below that of mechanical thermostat "R".

  • Page 94: Hook-Up Of On-Site Control Units Via Lon

    This universal, decentralised network for automated building control Further information can be found in the LON manual; see systems not only allows communication between Vitotronic control www.viessmann.de\lon. units, but also the hook-up of on-site systems and devices from various manufacturers.

  • Page 95: Appendix 10. 1 Important Safety Regulations And Requirements

    Appendix 10.1 Important safety regulations and requirements General information The boiler is built to comply with TRD 702 and EN 303, 677, 483/297, ■ DIN 4753: DHW systems for DHW and process water. and is used in heating systems to EN 12828. Observe the operating ■...

  • Page 96: Keyword Index

    Keyword index Additional functions..............89, 90 Immersion temperature controller............76 Airborne noise attenuation...............48 Installation location................19 Blocking, external...............89, 90 Low-end boiler water temperature........5, 7, 8, 9, 10 Boiler blocking..................91 Low water indicator................22 Boiler circuit pump................21 Boiler control units................50 Boiler sequence................91 Maximum pressure limiter..............23 Boiler water temperature sensor..........54, 55 Minimum pressure limiter..............23 Building Regulations Approval [Germany]........29...
  • Page 97 Keyword index Vitocom Water-side corrosion (prevention)............49 ■ 100, type GSM................81 Wireless components ■ 100, type LAN1................80 ■ Wireless base station..............73 Vitotrol ■ Wireless outside temperature sensor...........74 ■ 200A....................69 ■ Wireless remote control............71, 72 ■ 200 RF..................71 ■ Wireless repeater................74 ■ 300 A.....................70 ■...
  • Page 98 VIESMANN Gas condensing boilers...
  • Page 99 VIESMANN Gas condensing boilers...
  • Page 100 Subject to technical modifications. Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com VIESMANN Gas condensing boilers...

This manual is also suitable for:

Vitocrossal 300 type cm3Vitocrossal 300 type ct3uVitocrossal 300 type cr3bVitocrossal 300 type ct3b

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