Page 1 VITODENS Gas fired condensing boiler 4.2 kW to 66.0 kW Technical guide Vitodens 333 Vitodens 343 Vitodens 200 and 300 Vitodens 200 Gas fired wall mounted condensing boiler, 8.8 kW to 26.0 kW, for natural gas and LPG Vitodens 300 Gas fired wall mounted condensing boiler, 4.2 kW to 66.0 kW,...
Page 2 For further details contact our central customer service desk on telephone number (+49 64 52) 70 36 30. Note In the following, these symbols are used to easily identify details relating to the Vitodens 200, 300, 333 and 343. VITODENS...
Page 3: Table Of Contents
....................1.6 Installation accessories Vitodens 200 and 300 (up to 35 kW) .
Page 4: Product Description
H Use in rented accommodation and in leased properties. The Vitodens 200 gas fired wall mounted New for all Vitodens wall mounted boiler offers high quality condensing boilers: the rear venting function. technology at a persuasive Viessmann has designed the wall price/performance ratio.
Page 5 Like all wall mounted condensing boilers The MatriX compact gas burner with low intelligent new Lambda Pro Control from Viessmann, the Vitodens 300 is combustion noise and a modulating, combustion controller, the proven equipped with a stainless steel...
Page 6 1.1 Product description Application recommendations H Vitodens 300, 4.2 kW to 35 kW H Vitodens 300, 12.2 kW to 66.0 kW The automatic volume flow and flue gas High output from a compact, adaption mechanism, compact design user-friendly wall mounted boiler, even for higher output ratings and the suitable for integral DHW heating (combi boiler)
Page 7 1.1 Product description Vitodens 333 Application recommendations Through automatic volume flow and flue gas adaption mechanism, compact design and integral DHW heating (DHW storage cylinder) suitable for H installation in detached and terraced houses H new build (e.g. pre-fabricated houses and housing association projects): installation in utility rooms and attics (long pane rooms)
Page 8 1.1 Product description Vitodens 343 Application recommendations Through compact design and integral DHW heating (solar cylinder), suitable for H installation in detached and terraced houses H new build (e.g. pre-fabricated houses and housing association projects): installation in utility rooms H modernisation projects: replacement of instantaneous water heater, gas fired freestanding atmospheric boilers and oil/gas fired boilers with DHW cylinders...
Page 9: Specification
1.2 Specification Vitodens 200 1.2 Specification Gas fired boiler, series C Gas fired boiler Gas fired combi boiler Category II 2ELL 3P Rated output range = 50/30 ºC 8.8 20.0 8.8 26.0 8.8 26.0 = 80/60 ºC 8.0 18.2 8.0 24.7 8.0 24.7...
Page 10 1.2 Specification Vitodens 200 Gas fired boiler Gas fired boiler Gas fired combi boiler Rated output range = 50/30 ºC 8.8 20.0 8.8 26.0 8.8 26.0 = 80/60 ºC 8.0 18.2 8.0 24.7 8.0 24.7 Standard efficiency = 40/30 ºC = 75/60 ºC...
Page 11 1.2 Specification Vitodens 300 Gas fired boiler, series B and C, Gas fired boiler Gas fired Category I (Natural gas version) combi 2ELL Category II II (LPG version) boiler 2ELL 3P Rated output range = 50 ºC/30 ºC 4.2 13.0 6.6 26.0 8.7 35.0 12.2 49.0...
Page 12 1.2 Specification Vitodens 300 Gas fired boiler Gas fired boiler Gas fired combi boiler Rated output range = 50 ºC/30 ºC 4.2 13.0 6.6 26.0 8.7 35.0 12.2 49.0 16.6 66.0 6.6 26.0 = 80 ºC/60 ºC 3.8 11.8/16.0 6 23.7 8 32 11 44.6 15 60.1...
Page 13 1.2 Specification Vitodens 300 Vitodens 300, 4.2 kW to 13 kW HV GA HR HV GA HR OKFF OKFF HV SVL GA SRL HR Key to symbols Note Drain outlet connection For connection dimensions for Drain installation on finished walls, see page 64. Gas connection For connection dimensions for Heating return...
Page 14 1.2 Specification Vitodens 300 Vitodens 300, 6.6 kW to 35 kW SVL/ SVL/ SRL/ SRL/ HV GA HR HV GA HR OKFF OKFF Prefabricated wall Key to symbols Gas fired combi boilers only: Note ADG Expansion vessel G ¾" Cold water For connection dimensions for Drain outlet connection WW DHW...
Page 15 1.2 Specification Vitodens 300 Vitodens 300 from 49.0 kW OKFF Key to symbols ADG Expansion vessel (G 1") ATR Drain outlet connection Gas connection Heating return G 1½" Heating flow G 1½" KAS Flue outlet OKFF Top edge finished floor Safety valve SRL Cylinder return G 1½"...
Page 16 1.2 Specification Vitodens 333 Specification Gas fired boiler, series B and C, Category I (Natural gas version) 2ELL Category II (LPG version) 2ELL 3P Rated output range = 50 ºC/30 ºC 4.2 13.0 6.6 26.0 = 80 ºC/60 ºC 3.8 11.8/16.0 6.0 23.7 Rated thermal load 3.9 12.3/16.7...
Page 17 1.2 Specification Vitodens 333 Rated output range = 50 ºC/30 ºC 4.2 13.0 6.6 26.0 = 80 ºC/60 ºC 3.8 11.8/16.0 6.0 23.7 Flue gas values Flue gas value group according to G 635/G 636 Temperature (at a return temperature of 30 ºC) at rated output ºC at partial load...
Page 18 1.2 Specification Vitodens 333 min. 100 Key to symbols A Wall clearance with connection set Gas connection and wall terminal bezel (accessories) Heating return B Wall clearance with on-site connection Heating flow without wall terminal bezel Flue outlet C Aperture for electrical supply cables Condensate drain Cold water DHW circulation (on site)
Page 19 1.2 Specification Vitodens 343 Specification Gas fired boiler, series B and C, Category II 2ELL 3P Rated output range = 50 ºC/30 ºC 4.2 13.0 = 80 ºC/60 ºC 3.8 11.8/16.0 Rated thermal load 3.9 12.3/16.7 Product ID CE 0085 BO 0338 Gas supply pressure Natural gas mbar...
Page 20 1.2 Specification Vitodens 343 Rated output range = 50 ºC/30 ºC 4.2 13.0 = 80 ºC/60 ºC 3.8 11.8/16.0 Flue gas values Flue gas value group according to G 635/G 636 Temperature (at a return temperature of 30 ºC) at rated output ºC at partial load ºC...
Page 21 1.2 Specification Vitodens 343 Key to symbols A Water connections Gas connection B Electrical supply cable inlet area Heating return Heating flow Flue outlet Note Condensate drain Room height required for the removal of Cold water the expansion vessel: 2 400 mm. Solar return Solar flow DHW circulation...
Page 22 1.2 Specification Vitotronic 100, type HC1, for constant temperature mode Vitotronic 100, type HC1, for constant temperature mode Structure and functions Modular construction Electronic Boiler water temperature sensor The control unit comprises a basic unit, temperature electronic modules and a programming limiter setting: The boiler water temperature sensor is unit.
Page 23 1.2 Specification Vitotronic 100 accessories Accessories for the Vitotronic 100 Vitotrol 100 (type UTA), Vitotrol 100 (type UTD), Cylinder temperature sensor part no. 7170 149 part no. 7179 059 for the Vitodens 300 from 49 kW, part no. 7179 114 Cable length approx.
Page 24 (3.0 m long) H Adaptor RJ11/TAE6N H KM BUS cable with plug aVG (3.0 m long) For accessories and further details, see the Viessmann "Communication systems" technical guide On-site requirements: H RJ11 socket or H TAE socket, code "6N"...
Page 25 1.2 Specification Vitotronic 100 accessories Internal extension H 1, part no. 7179 057 PCB for integration into the control unit (part of the standard delivery for the Vitodens 333 and 343). Using the extension enables the following functions to be achieved: Function Rated breaking capacity of the relay output...
Page 26 1.2 Specification Vitotronic 200, type HO1, for weather-compensated mode Vitotronic 200, type HO1, for weather-compensated mode Structure and functions Modular construction Control characteristics Setting heating programs PI characteristics with modulating output. The control unit comprises a basic unit, The heating system frost protection (see electronic modules and a programming frost protection function) applies to all unit.
Page 27 1.2 Specification Vitotronic 200 for weather-compensated mode Outside temperature sensor Cylinder temperature sensor Heating curve slope (Vitodens 333 and 343) and primary temperature sensor (only for the Vitodens 333) The sensors are connected to the control unit and built into the boiler. Protection: IP 32 Permissible ambient...
Page 28: Delivered Condition
1.2 Specification Vitotronic 333 cascade control unit for multi-boiler systems Vitotronic 333 cascade control unit, type MW2, for the Vitodens 300 from 49 kW output with the Vitotronic 100 Weather-compensated, digital cascade and heating circuit control unit H for multi-boiler systems with up to four H with cylinder temperature control or Note Vitodens 300 boilers...
Page 29 1.2 Specification Vitotronic 333 cascade control unit for multi-boiler systems Construction and function Modular construction Functions Control characteristics The control unit comprises a basic unit, The Vitotronic 333 regulates the system/ H PI characteristics with three-point output electronic modules and a programming flow temperature of a multi-boiler system H Heating curve setting range unit with plain text display.
Page 30 1.2 Specification Vitotronic 333 cascade control unit for multi-boiler systems Specification Plug connection chamber Rated voltage: 230 V~ External equipment is connected via Rated frequency: 50 Hz system plugs. Rated current: Plug the connectors directly into the front Power consumption: 10 W (control unit open).
Page 31 1.2 Specification Vitotronic 333 cascade control unit for multi-boiler systems Programming unit time switch Summer operation Outside temperature sensor ("DHW only") Digital time switch with day and 7-day program, annual calendar, automatic One or several burner(s) will start(s) when summer/winter time changeover and the DHW cylinder needs to be heated up automatic function for DHW heating and (controlled by the cylinder temperature...
Page 32 1.2 Specification Vitotronic 200 and Vitotronic 333 accessories Vitotronic 200 and Vitotronic 333 accessories Information regarding room temperature Vitotrol 200 (KM BUS user), Vitotrol 300 (KM BUS user), hook-up (RS function) when using part no. 7450 017 part no. 7179 060 remote control units Due to the inertia of underfloor heating systems, the RS function should not be...
Page 33 1.2 Specification Vitotronic 200 and Vitotronic 333 accessories Room temperature sensor, Radio clock receiver, part no. 7408 012 part no. 7450 563 A separate room temperature sensor as a supplement to the Vitotrol 200 or 300; to be used if a Vitotrol 200 or 300 cannot be To receive the DCF 77 time signal installed inside the main living room or in (location: Mainflingen near...
Page 34 (3.0 m long) H For defaulting room temperature and For accessories and further details, periods see the Viessmann technical guide H With economy, holiday and party Communication systems" function as well as bank holiday and shift work program For more detailed information, see the datasheet "Vitohome 200".
Page 35 1.2 Specification Vitotronic 200 and Vitotronic 333 accessories Vitocom 300 (type FA3, FE1 and FI1), Accessories: Power supply unit (standard delivery H Type FA3 H Expansion module Vitocom 300): part no. 7143 428 part no. 7143 431: H Type FE1 10 digital inputs part no.
Page 36 Permissible ambient temperature in operation: 0 ºC to +40 ºC Use in living space and boiler rooms (standard ambient conditions) during storage and transport: 20 ºC to +65 ºC For further technical details, see the Viessmann Communication systems" technical guide. VITODENS...
Page 37 1.2 Specification Vitotronic 200 accessories Internal extension H 1, part no. 7179 057 PCB for integration into the control unit (part of the standard delivery for the Vitodens 333 and 343). Using the extension enables the following functions to be achieved: Function Rated breaking capacity of the relay output...
Page 38 H BUS cable, (3.0 m long). Mixer electronics The mixer controller is mounted directly onto the Viessmann mixer DN 20 to 50 and R ½" to 1¼". The mixer motor is mounted directly onto The mixer controller is a motorised the Viessmann mixer DN 20 to 50 and control unit.
Page 39 1.2 Specification Vitotronic 200 and Vitotronic 333 accessories Immersion thermostat Function extension 0 - 10 V LON, cable for data exchange between As temperature limiter for limiting the max. for the Vitotronic 333 control units temperature of underfloor heating systems, (KM BUS user), (Vitotronic 333 to Vitotronic 050), part no.
Page 40 1.2 Specification Vitotronic 200 and Vitotronic 333 accessories Terminator (2 pieces), Immersion temperature sensor part no. 7143 497 (only for the Vitotronic 200), part no. 7179 488 To terminate the LON BUS at the first and To record the low loss header last control unit.
Page 41: Selection Guide For Dhw Heating
H Utilisation of the various draw-off The following versions are available: points Vitodens 333 and 343: Vitodens 200 (8.8 kW to 20.0 kW) H Distance between draw-off point and From a water hardness of 3.6 mmol/l and H as gas fired boiler...
Page 42 1.3 Selection guide for DHW heating Instantaneous water heater Instantaneous water heater (Vitodens 200, gas fired combi boiler) An electronically regulated plate heat This makes DHW at drawing temperature exchanger is integrated into the instantly available from Vitodens for Vitodens 200.
Page 43 1.3 Selection guide for DHW heating Standby instantaneous water heater Standby instantaneous water heater (Vitodens 300, gas fired combi boiler) An electronically regulated standby When the comfort function is switched This makes DHW at drawing temperature instantaneous water heater is integrated ON, the temperature of the instantaneous instantly available from the Vitodens.
Page 44 1.3 Selection guide for DHW heating DHW cylinder Separate DHW cylinders For increased DHW convenience separate Vitodens 200 and 300 (up to 35 kW) as Determine the DHW cylinder size in DHW cylinders are available in white finish boilers are factory-set for DHW heating...
Page 45: Dhw Circulation
Vitodens 200 and 300 Wall mounted DHW cylinder DHW cylinder installed below the boiler DHW cylinder installed adjacent to the boiler...
Page 46 The DHW cylinders with a " W" in the product designation are supplied in white and those marked with a " B" or " V" are supplied in Vitosilver. Vitodens 200 gas fired boiler, DHW cylinder allocation Practical DHW cylinder allocation (cylinder capacity in litres)
Page 47: Dhw Cylinder Specification
1.5 DHW cylinder specification Wall mounted Vitocell W 100 (type CWG 80 litres) Wall mounted Vitocell W 100 (type CWG 80 litres) made from steel with Ceraprotect enamel coating (Optional installation on the l.h. or r.h. side of the Vitodens) Capacity litres Connections...
Page 48: Dhw Cylinder
1.5 Specification DHW cylinder Vitocell W 100 (type CUG 120 and 150 litres) installed below the boiler Vitocell W 100 (type CUG 120 and 150 litres) installed below the boiler made from steel with Ceraprotect enamel coating Capacity litres with casing to cover with casing to cover interconnecting pipes interconnecting pipes...
Page 49 1.5 Specification DHW cylinder Vitocell W 100 (type CUG 120 and 150 litres) installed below the boiler Pressure drop on the DHW side, see page 53. Dimension 2 079 2 149 Dimension table Capacity 120 litres 150 litres with with casing to casing to cover...
Page 50: Specification Dhw Cylinder
1.5 Specification DHW cylinder Vitocell W 100 (type CVA 160 and 200 and 300 litres) installed adjacent to the boiler Vitocell W 100 (type CVA 160, 200 and 300 litres, in white) installed adjacent to the boiler made from steel with Ceraprotect enamel coating Capacity litres Connections...
Page 51 1.5 Specification DHW cylinder Vitocell W 300 (type EVA 160 and 200 litres) installed adjacent to the boiler Vitocell W 300 (type EVA 160 and 200 litres, in white) installed adjacent to the boiler peripheral heat exchanger, in stainless steel Capacity litres Connections...
Page 52 1.5 Specification DHW cylinder Vitocell W 100 (type CVB 100 litres) installed adjacent to the boiler Vitocell W 100 (type CVB 100 litres, in white) installed adjacent to the boiler made from steel with Ceraprotect enamel coating for dual-mode DHW heating Capacity litres Connections...
Page 53 1.5 Specification DHW cylinder Secondary pressure drop Vitocell W 100 (type CWG and CUG) Vitocell W 100 (type CVA) A 160 and 200 litres B 300 litres DHW volume in l/h DHW volume in l/h Vitocell W 300 (type EVA) Vitocell W 100 (type CVB) DHW volume in l/h DHW volume in l/h...
Page 54 1.6 Specification Installation accessories 1.6 Installation accessories for the Vitodens 200 and 300 (up to 35 kW) Gas fired boiler Type of wall mounting Routing pipes Type of installation Required accessories Required accessories without DHW cylinder without DHW cylinder Installation directly onto a wall...
Page 55 Vitodens 300, 4.2 kW 13 kW Part no. 7178 347 with compression fittings part no. 7178 345 part no. 7178 349 Vitodens 200 and Vitodens 300, 6.6 kW 35 kW with solder fittings part no. 7178 344 part no. 7178 348 Installation template Installation template part no.
Page 56 1.6 Specification Installation accessories Gas fired combi boiler Type of wall mounting Routing pipes Type of installation Required accessories Installation directly onto a wall Installation directly onto a wall Installation on finished walls Installation template part no. Z002 350 Installation on unfinished Installation template walls part no.
Page 57 1.6 Specification Installation accessories Vitodens 333 compact gas fired condensing boiler Type of installation Required accessories Required accessories Type of wall mounting Routing pipes Installation in front of a wall Installation on finished walls Compression Connection set downwards fittings part no. 7188 574 Installation on finished and Compression Connection set...
Page 58 (sealed system). According to EN 12828, special low water For the Vitodens 200 and 300 up to 35 kW There are no applicable special level protection can be omitted for boilers output, third party adaptors are available standards.
Page 59: Positioning, Installation
The boiler location must be kept free safety area" on page 61). The from frost and must be adequately Boiler room (up to 50 kW) Vitodens 200 and 300 may be installed in ventilated. safety area 1. Provide a condensate drain and a...
Page 60 61). The combustible components as well as in boiler on site with a bracket or deflector Vitodens 200 and 300 may be installed in attic rooms (pitched attics and long pane against mechanical damage. safety area 1.
Page 61 2.2 Positioning, installation Electrical protection range Electrical equipment must be installed in rooms containing a bath tub or a shower so that persons cannot be exposed to dangerous body currents. The Vitodens boiler offers electrical protection to IP X4 D. The Vitodens may be installed in area 1, if hosed water (e.g.
Page 62 VDE (see fig.) regulations [or local regulations] when H for the Vitodens 200 and 300 min. 800 mm connecting the power supply. H for the Vitodens 333 and 343 min. 2 000 mm The power supply cable must be from the wall.
Page 63 2.2 Positioning, installation Cables NYM J 3 × 1.5 mm 2 core NYM O 3 core Power supply cable External extension H1 Vitotrol 100, type UTA (also accessories) or H2 DHW circulation pump Outside temperature Central fault message sensor Vitotronic 050 (LON) Extension kit for one heating circuit with mixer...
Page 64: Installation In Unfinished Buildings
2.3 Installation in unfinished buildings (on finished walls) Pre-installation in unfinished buildings for the installation of the Vitodens 200 and 300 (up to 35 kW) directly to the wall installation on finished walls Required accessories for installations Additional requirements when...
Page 65 2.3 Installation in unfinished buildings on unfinished walls Pre-installation in unfinished buildings for the installation of the Vitodens 200 and 300 (up to 35 kW) directly on the wall installation on unfinished walls Required accessories for installations Additional requirements when...
Page 66 2.3 Installation in unfinished buildings (mounting frame) Pre-installation with a mounting frame in unfinished buildings Mounting frame with expansion vessel for the Vitodens 300 (26 kW and 35 kW) (The Vitodens 300, 13 kW is equipped with an integral diaphragm expansion vessel; capacity: 8 litres) Mounting frame With diaphragm expansion vessel (volume 11 litres), valves, fixing parts and...
Page 67 2.3 Installation in unfinished buildings Self-supporting mounting frame installation Vitodens 200 and 300 Self-supporting mounting frame for the Vitodens and wall mounted DHW cylinder (80 litres capacity). Suitable for wall mounting, for self-supporting installation or for planking. With fittings and gas angle valve G ¾"...
Page 68 2.3 Installation in unfinished buildings Pre-installation in unfinished buildings Vitodens 333 With connection set (part no. 7188 574) Note for gas, heating water and DHW Maintain a clearance of 700 mm in front connection of on-site pipes/lines from of the Vitodens for service purposes. below Maintenance spaces to the l.h.
Page 69 2.3 Installation in unfinished buildings Pre-installation in unfinished buildings Vitodens 333 Without connection set or with connection set for on-site connection (part no. 7179 420) Key to symbols A Vitodens 333 (external dimensions) Gas connection G ¾" B Area for electrical supply cables. Heating return G ¾"...
Page 70 2.3 Installation in unfinished buildings Pre-installation in unfinished buildings Vitodens 333 With connection set (part no. 7179 420) Note for on-site connection from above or Maintain a clearance of 1 000 mm in front below of the Vitodens for service work. comprising: Maintenance spaces to the l.h.
Page 71 2.3 Installation in unfinished buildings Pre-installation in unfinished buildings Vitodens 343 with or without connection panel A Vitodens 343 dimensions C Drain connection DN 32 for F Top edge - finished floor B Area for water connections (on site) condensate with a wall G Cable arrangement area H Compulsory with connection panel clearance >...
Page 72: Replacing Equipment From Alternative Manufacturers
2.4 Replacing equipment from alternative manufacturers Vitodens 200 and 300 (4.2 kW to 35 kW) as replacement for third party boilers Adaptors enable the Vitodens boiler to be Vitodens are available as accessories (see Generally, where a gas fired water heater connected to the Ceramini Z SR, the pricelist).
Page 73 2.4 Replacing equipment from alternative manufacturers Replacing a Cerastar ZR/ZWR with a Vitodens 200 or a Vitodens 300 (6.6 kW to 35 kW) Open flue operation Balanced flue operation Vitodens Cerastar Cerastar dimensions dimensions Existing water connections have identical dimensions.
Page 74 2.4 Replacing equipment from alternative manufacturers Replacing a Thermoblock VC 110E/112E with a Vitodens 300 (4.2 kW to 13 kW) Open flue operation Balanced flue operation Thermoblock Thermoblock Vitodens VC 112E VC 110E Existing water connections have identical dimensions. Installation on finished walls Installation on unfinished walls Dimension open flue...
Page 75 2.4 Replacing equipment from alternative manufacturers Replacing a Thermoblock VC/VCW with a Vitodens 200 or a Vitodens 300 (6.6 kW to 35 kW) Open flue operation Balanced flue operation Thermoblock Thermoblock Vitodens dimensions dimensions Dimension Installation on Installation on unfinished walls finished walls Existing water connections have identical dimensions.
Page 76: Connections On The Gas And The Water Side
2.5 Connections on the gas and the water side Gas connection Gas installations must only be carried out Max. test pressure 150 mbar. Thermal safety shut-off valve by an approved installer who has been We recommend the installation of a gas authorised by the relevant gas supplier.
Page 77 2.5 Connections on the gas and the water side DHW connection on the Vitodens 100 and 200 gas fired combi boilers For the DHW connection, connection sets Note when using this feature in If DHW should be drawn simultaneously for installation on finished walls or for conjunction with galvanised pipes that from several points, we would installation on unfinished walls are...
Page 78 Also, the DHW cylinder does not then need to be drained when working on the safety valve. According to DIN 1988 2, a drinking water filter should be installed in systems with metal pipes. Viessmann also recommends the installation of a drinking water filter when using plastic pipes as per DIN 1988 to prevent contamination entering the DHW system.
Page 79 N Non-return valve/pipe separator According to DIN 1988 2, a drinking water filter should be installed in systems with metal pipes. Viessmann also recommends the installation of a drinking water filter when using plastic pipes as per DIN 1988 to prevent contamination entering the DHW system.
Page 80 (if equipped with a drain), system. together with the boiler condensate directly or (if installed) via a neutralising system to the public sewer. Vitodens 200 and 300 Vitodens 333 H up to 35 kW H from 49 kW A Drain hose...
Page 81 C Venting via the roof Neutralising system Neutralising system for single boiler systems for multi-boiler systems H for the Vitodens 200, 300 (up to 35 kW), part no. 7226 141 333 and 343 part no. 7252 666 DN 40 H for the Vitodens 300 with 49 kW and 66 kW part no.
Page 82: Installation Examples
Plastic pipe systems for radiators Water quality/frost protection We also recommend the installation of a According to VDI guideline 2035, The Viessmann Vitodens can generally be high-limit thermostat to limit the measures to safeguard the water quality installed in any pumped hot water...
Page 83: Vitodens
Stage 1 Residual head of the integral circulation pump A Stage 1 B Stage 2 C Operating range 1000 1100 1200 1300 1400 Flow rate in l/h Primary pessure drop Vitodens 200 1000 1500 2000 Flow rate in litres/h VITODENS...
Page 84 3.1 Water interconnections Variable speed heating circuit pump The pump speed and consequently the Individually match the minimum and The diagram enables the adjustment of pump capacity is relayed to the pump and maximum speed plus the speed during the pump capacity in line with the adjusted by the control unit subject to reduced mode to the existing heating respective system conditions.
Page 85 3.1 Water interconnections Vitodens 300, 6.6 kW to 35.0 kW Vitodens 333 Circulation pump VICUPE 60 BUS Rated voltage Rated current A max. 0.45 min. 0.21 Power W max. consumption min. in the delivered condition Residual head of the integral circulation pump 1000 1100 1200...
Page 86 3.1 Water interconnections Vitodens 300 from 49 kW Circulation pump VIRS 7 BUS variable speed, fully wired, for installation into the boiler or as an external pump for pipe installation. Rated voltage Rated current A max. 0.55 min. 0.37 Condenser Power W max.
Page 87 3.1 Water interconnections Cylinder primary pump Part no. 7339 468 7339 469 Pump type VIRS 30/6 1 VI TOP S 40/4 Voltage Power 110 140 155 195 consumption Connection R (fem. 1¼" thread) Connecting cable Part no. 7339 468 Part no. 7339 469 Capacity in m A Part no.
Page 88 3.1 Water interconnections Residual head of the integral solar circuit pump 1000 1100 1200 1300 1400 Flow rate in l/h A Stage 1 B Stage 2 C Stage 3 Primary pressure drop Vitodens 300, 333 and 343 For sizing an on-site heating circuit pump. 1000 1000 1500...
Page 89 The designs also apply to systems where DHW is heated by an integral instantaneous water heater. In that case, the cylinder temperature sensor is factory-fitted to the boiler. System design 1 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer 3/230V 2/230V...
Page 90 3.2 Installation examples System design 2 System design 2 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer and one heating circuit with mixer A Vitodens with weather-compensated control unit B Outside temperature sensor C Vitotrol...
Page 91 3.2 Installation examples System design 3 System design 3 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer and one heating circuit with mixer plus system separation A Vitodens with weather-compensated control unit B Outside temperature sensor...
Page 92: System Design 4
3.2 Installation examples System design 4 System design 4 Vitodens 300 with/without DHW heating with one heating circuit without mixer with separate heating circuit pump and one heating circuit with mixer A Vitodens with weather-compensated control unit B Internal extension H 1 or H 2 or external extension H 1 C Outside temperature sensor D Vitotrol...
Page 93 3.2 Installation examples System design 5 System design 5 Vitodens 200 or 300 with/without DHW heating with one heating circuit without mixer with separate heating circuit pump and one heating circuit with mixer and low loss header A Vitodens with weather-compensated...
Page 94 3.2 Installation examples System design 6 System design 6 Vitodens 200 or 300 with/without DHW heating with one heating circuit with mixer (with extension kit), one heating circuit with mixer (with the Vitotronic 050) and low loss header A Vitodens with weather-compensated...
Page 95 3.2 Installation examples System design 6 Required equipment Item Description Quantity Part no. Vitodens 200 or 300 with weather-compensated control unit as per pricelist and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces)
Page 96 3.2 Installation examples System design 7 System design 7 Vitodens 200 or 300 with one heating circuit without mixer, solar collectors and Vitocell W 100 DHW cylinder (type CVB) installed adjacent to the boiler 3/230V 2/230V A Vitodens gas fired boiler...
Page 97 3.2 Installation examples System design 7 Required equipment Item Description Quantity Part no. Vitodens 200 or 300 as per pricelist Cylinder temperature sensor Standard delivery connection set for DHW cylinder DHW cylinder Vitocell W 100 (type CVB) as per pricelist...
Page 98 3.2 Installation examples System design 8 Installation example Vitodens 300 (from 49 kW) System design 8 Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer A Vitodens 300 (from 49 kW) B Outside temperature sensor (only for weather-compensated control units) C Vitotrol 100, type UTA for the control unit for constant...
Page 99 3.2 Installation examples System design 9 System design 9 Vitodens 300 (from 49 kW) with/without DHW heating with one heating circuit without mixer plus system separation A Vitodens 300 (from 49 kW) with control unit for weather-compensated mode B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Max.
Page 100 3.2 Installation examples System design 10 System design 10 Vitodens 300 (from 49 kW) with/without DHW cylinder with low loss header, one heating circuit without mixer and one heating circuit with mixer 3/230V A Vitodens 300 (from 49 kW) with control unit for weather-compensated mode B Outside temperature sensor...
Page 101 3.2 Installation examples System design 11 System design 11 Vitodens 300 (from 49 kW) with/without DHW heating with three or more heating circuits with mixer and low loss header A Vitodens 300 (from 49 kW) with weather-compensated control unit and LON communication B Outside temperature sensor C Vitotronic 050 (type HK3W) D Maximum temperature limiter...
Page 102 3.2 Installation examples System design 12 System design 12 Multi-boiler system with Vitodens 300 (from 49 kW) with/without DHW heating with several heating circuits with mixer and low loss header 3/230V 3/230V 3/230V 3/230V A Vitodens 300 (from 49 kW) with F Heating circuit pump M Cylinder primary pump control unit for constant temperature...
Page 103 3.2 Installation examples System design 12 Required equipment Item Description Quantity Part no. Vitodens 300 (from 49 kW) with control unit for constant temperature mode 2 to 4 as per pricelist with cascade communication module Outside temperature sensor 1 or 2 Standard delivery for Vitotronic 333 Vitotronic 333...
Page 104 3.2 Installation examples System design 13 Installation examples Vitodens 333 System design 13 Vitodens 333 with one heating circuit without mixer A Vitodens 333 B Outside temperature sensor (only for weather-compensated control units) C Vitotrol 100, type UTA for the control unit for constant temperature mode D Vitotrol 100, type UTD for the constant 3/230V...
Page 105 3.2 Installation examples System design 14 System design 14 Vitodens 333 with one heating circuit with mixer and low loss header A Vitodens 333 with weather-compensated control unit B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Max. temperature limiter F Flow temperature sensor 3/230V G Heating circuit pump (on site)
Page 106 3.2 Installation examples System design 15 System design 15 Vitodens 333 with one heating circuit without mixer and one heating circuit with mixer A Vitodens 333 with weather-compensated control unit B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Radiator heating circuit F Maximum temperature limiter G Flow temperature sensor...
Page 107 3.2 Installation examples System design 16 System design 16 Vitodens 333 with one heating circuit without mixer and one heating circuit with mixer plus system separation A Vitodens 333 with weather-compensated control unit B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Radiator heating circuit F Maximum temperature limiter G Flow temperature sensor...
Page 108 3.2 Installation examples System design 17 System design 17 Vitodens 333 with one heating circuit with mixer (with extension kit), one heating circuit with mixer (with Vitotronic 050) and low loss header A Vitodens 333 with weather-compensated control unit and LON communication module 230V~ B Outside temperature sensor...
Page 109 3.2 Installation examples System design 17 Required equipment Item Description Quantity Part no. Vitodens 333 with weather-compensated control unit as per pricelist and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces) 7143 497 Vitotrol 200 7450 017 Vitotrol 300...
Page 110 3.2 Installation examples System design 18 Installation examples Vitodens 343 System design 18 Vitodens 343 with one heating circuit without mixer A Vitodens 343 with weather-compensated control unit and Vitosolic 100 B Outside temperature sensor C Vitotrol 200 or 300 D Heating circuit E Solar cylinder F Solar collectors...
Page 111 3.2 Installation examples System design 19 System design 19 Vitodens 343 with one heating circuit with mixer and low loss header A Vitodens 343 with weather-compensated control unit and Vitosolic 100 B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Max.
Page 112 3.2 Installation examples System design 20 System design 20 Vitodens 343 with one heating circuit without mixer and one heating circuit with mixer A Vitodens 343 with weather- compensated control unit and Vitosolic 100 B Outside temperature sensor C Vitotrol D Underfloor heating circuit E Radiator heating circuit 3/230V...
Page 113 3.2 Installation examples System design 21 System design 21 Vitodens 343 with one heating circuit without mixer and one heating circuit with mixer plus system separation A Vitodens 343 with weather-compensated control unit and Vitosolic 100 B Outside temperature sensor C Vitotrol D Underfloor heating circuit 3/230V...
Page 114 3.2 Installation examples System design 22 System design 22 Vitodens 343 with one heating circuit with mixer (with extension kit), one heating circuit with mixer (with Vitotronic 050) and low loss header 230V~ 3/230V 3/230V 3/230V A Vitodens 343 with L Three-way mixer KW Cold water weather-compensated control unit...
Page 115 3.2 Installation examples System design 22 Required equipment Item Description Quantity Part no. Vitodens 343 with weather-compensated control unit as per pricelist and LON communication module 7179 113 and LON cable 7143 495 and LON terminator (2 pieces) 7143 497 Vitotrol 200 7450 017 Vitotrol 300...
Page 116: Expansion Vessels
Vitodens 300, 26 kW and 35 kW heating systems must be equipped with a diaphragm expansion vessel (DEV). H An expansion vessel (10 litres capacity) is integrated into the Vitodens 200. H An expansion vessel (8 litres capacity) is integrated into the Vitodens 300, 13 kW.
Page 117 ..........= f ((V + 2.4) Example: Note System: Vitodens 200 If the integral expansion vessel or the = Expansion vessel volume Boiler water volume 5 litres expansion vessel in the mounting frame...
Page 118: Low Loss Header
Vitodens 200 1 400 approx. 10 to 30 % lower than the negligible. Subject to the water volume...
Page 119 3.4 Low loss header Low loss header (max. volume flow 3.5 m /h) in conjunction with Modular Divicon see datasheet Modular Divicon (accessories) Key to symbols HR Heating return HV Heating flow " " Low loss header from the Vitoset product range see "Vitoset" pricelist Volume flow (max.) Connections...
Page 120: Installation Accessories
3.5 Installation accessories Heating circuit Accessories for the installation of the Vitodens 200 and 300 up to 35 kW For further details of accessories, see datasheet and price sheet Installation directly onto a wall Gas fired condensing combi boiler Gas fired condensing boiler...
Page 121 3.5 Installation accessories Heating circuit Installation with mounting frame Installation with a self-supporting Other accessories mounting frame Mounting frame with Safety assembly to DIN 1988 H Diaphragm expansion vessel Self-supporting mounting frame comprising: nominal capacity 11 litres With fittings and gas angle valve G ¾" H Shut-off valve H Fittings for the heating water and DHW with thermal safety shut-off valve...
Page 122 3.5 Installation accessories DHW cylinder Accessories for the installation of the Vitodens 200 and 300 (up to 35 kW) Connection between the Vitodens and the DHW cylinder Connection set for wall mounted DHW cylinder Vitocell W 100 comprising: H Cylinder temperature sensor (not shown)
Page 123 3.5 Installation accessories Heating circuit Accessories for the installation of the Vitodens 300 with 49 and 66 kW Straight-through gas valve R ¾" Shut off valves Solder fittings (1 set) G 1½" DN 35 with integral thermal safety shut-off valve Set of ball shut-off valves (2 pieces) with gaskets G 1½"...
Page 124 3.5 Installation accessories Heating circuit Installation accessories for the Vitodens 333 Connection set, complete Connection set DHW circulation pump connection set for connections of on-site lines for on-site connection downwards, for integration into the Vitodens 333, downwards on the gas, heating water and upwards or to the side comprising: DHW side...
Page 125 3.5 Installation accessories Heating circuit DHW expansion vessel with connection Wall terminal bezels Decorative bezels for water connections. for max. 4 bar operating pressure in the cold water supply line, comprising: H Direct flow diaphragm expansion vessel, 4 litres volume, suitable for potable water H Cap valve R ¾"...
Page 126 3.5 Installation accessories Heating circuit Installation accessories for the Vitodens 343 Panel for unfinished walls for the connection of on-site pipework for heating water, DHW and solar circuits with: H Connections Rp ¾" H 2 angle valves R ¾" H 2 DHW connection pieces ∅ 18 mm Heating circuit extension For connection panel with: H 2 ball valves R ¾"...
Page 127: Open Flue Operation
Vitodens. the atmosphere (according to applicable]. TRGI '86/96). It is recommended that the participation The Viessmann balanced flue systems Rated output up to 50 kW: of the flue gas inspector is recorded on for balanced flue operation 150 cm or 2 × 75 cm...
Page 128: Lightning Protection
Where no suitable duct is available, the The DIBt approved flue pipes from flue pipe may be routed to the roof Viessmann or alternative DIBt approved through a retro-fitted duct. This duct must flue pipes from alternative manufacturers have Building Regulations approval and...
Page 129 4.1 Flue gas systems Approval certificates for the PPs flue gas systems for the Vitodens VITODENS...
Page 130 4.1 Flue gas systems Flue gas system installation options for balanced flue operation (separate ventilation air and extract air apertures are not required) Inside the living space with one or several full floors above Routing through a duct (type C , according to TRGI '86/96) The heat generator obtains combustion air from the atmosphere through the...
Page 131 4.1 Flue gas systems External wall installation (type C , according to TRGI '86/96) The heat generator obtains combustion air from the atmosphere at the outside terminal via a horizontal, concentric coaxial pipe and extracts flue gas via the roof to the atmosphere. In its vertical part, the outside pipe of the concentric coaxial pipe acts as thermal insulation because of its static layer of air.
Page 132 4.1 Flue gas systems Several Vitodens boilers in the living space or in occupied rooms (living space rated output x 50 kW) Installation on different floors (type C , according to TRGI '86/96) Operation with negative pressure: requires a LAS chimney. Operation with positive pressure: Balanced flue system for several connections.
Page 133 4.1 Flue gas systems Special designs: open flue operation and installation in the living space with combustion air supply via interconnected rooms (rated output x 35 kW) Routing through a duct Connection to a moisture-resistant chimney (type B , according to TRGI '86/96) The heat generator draws combustion air from the installation location via a coaxial pipe with ventilation apertures upstream...
Page 134: Design And Sizing Information For Connection On The Flue Gas Side
4.2 Design and sizing information for connection on the flue gas side 4.2 Design and sizing information for connection on the flue gas side Balanced flue system (BF) made from plastic (PPs) for routing through a duct balanced flue operation (type C , according to TRGI '86/96) For balanced flue operation, a coaxial flue...
Page 135 4.2 Design and sizing information for for connection on the flue gas side Flue pipe, system size 60, 80 and 100 (components) (type C , according to TRGI '86/96) Rated output 35 49 66 System size ∅ mm 1 Flue outlet (part of the standard boiler delivery) 2 Basic duct set comprising:...
Page 136 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe to the flue outlet Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max. length system size 80 Vitodens 300 Rated output range 4.2 13.0...
Page 137 4.2 Design and sizing information for connection on the flue gas side Vitodens in conjunction with solid fuel boilers Routing the flue pipe in a twin-draught duct It may be possible to route the plastic flue pipe with the flue pipe of a solid fuel boiler in a twin-draught chimney, if H the annular gap required for secondary H the flue pipe terminal and the duct Hthe thickness of the tabs of the full-wall...
Page 138 4.2 Design and sizing information for connection on the flue gas side Flue pipe, flexible, system size 60, 80 and 100 (components) (type C , according to TRGI '86/96) Rated output 35 49 66 System size ∅ mm 1 Flue outlet (part of the standard boiler delivery) 2 Basic duct set comprising:...
Page 139 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe up to the flue outlet with flexible flue pipe Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max. length Vitodens 300 Rated output range 4.2 13.0...
Page 140 ∅ 100 mm Note Note The ceiling aperture should have a H Vitodens 200, Vitodens 300, 26 kW to Condensing boiler with an output of diameter of at least the stated size: 35 kW and Vitodens 333: > 50 kW must be installed in a separate System size ∅...
Page 141 4.2 Design and sizing information for connection on the flue gas side Rated output 49 66 min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b System size min.b min.b min.b min.b min.b min.b min.b min.b min.b min.b...
Page 142 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 a (max. length) b (min.) Vitodens 300 Rated output range 4.2 13.0 6.6 26.0...
Page 143 Int. dia. ventilation pipe ∅ 100 mm According to TRGI '86/96, item 5.6.1.1, the H Vitodens 200, Vitodens 300, 26 kW to external wall terminal is only permissible 35 kW and Vitodens 333: for boilers with rated output up to 11 kW Int.
Page 144 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 a (max. length) system size 80 Vitodens 300 Rated output range 4.2 13.0 6.6 26.0...
Page 145 H Connection to a chimney, which is tested and CE-designated as a single H Vitodens 200, Vitodens 300, 26 kW to unsuitable for providing the technical unit with the Vitodens 35 kW and Vitodens 333: combustion air supply because of condensing boiler.
Page 146 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe up to the flue outlet for routing through the duct Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max. length...
Page 147 ∅ 100 mm routing options are available. The combustion air is drawn in via the air H Vitodens 200, Vitodens 300, 26 kW to The external flue pipe has been tested inlet piece. The vertical external pipe acts 35 kW and Vitodens 333:...
Page 148 H ∅ 60/100 mm to ∅ 80/125 mm H ∅ 80/125 mm to ∅ 70/110 mm H ∅ 70/110 mm to ∅ 80/125 mm Max. total length of the flue pipe Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max.
Page 149 4.2 Design and sizing information for connection on the flue gas side Plastic (PPs) balanced flue system for routing through a lightweight duct If no duct is available at a location with duct for reduced temperature requirements for domestic chimneys to one or several full storeys above where requirements can also be retrofitted.
Page 150 4.2 Design and sizing information for connection on the flue gas side Promat duct profiles Promat, amongst others, offers a duct system made from calcium silicate fire resistant plates with general Building Regulations approval. Address for Promat: Promat GmbH Postfach109 564 D 40835 Ratingen System Duration...
Page 151 300 mm. Design and calculations for LAS chimney systems with multiple ducts are carried out either by the respective supplier or by the Viessmann customer service. LAS chimney negative pressure (type C , according to TRGI '86/96) LAS systems for negative pressure may,...
Page 152 160 × 160 mm to 250 × 250 mm Vitodens 200. round ∅ 170 to 300 mm. Up to 5 Vitodens 200 can be connected to a single flue gas system. System size ∅ mm...
Page 153 ∅ 60 mm should check whether the duct to be used duct as well as for the routing through H Vitodens 200, Vitodens 300, 26 kW to is suitable and approved for this purpose. the duct. Ducts which were previously connected 35 kW and Vitodens 333: Int.
Page 154 4.2 Design and sizing information for connection on the flue gas side Flue pipe, system size 80 and 100 (components) (type B according to TRGI '86/96) Rated output 35 49 66 System size ∅ mm 1 Flue outlet (part of the standard boiler delivery) 2 Basic duct set comprising: H Support bend...
Page 155 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max. length system size 80 Vitodens 300 Rated output range 4.2 13.0 6.6 26.0...
Page 156 4.2 Design and sizing information for connection on the flue gas side Flue pipe, flexible, system size 80 and 100 (components) (type B , according to TRGI '86/96) Rated output 35 49 66 System size ∅ mm 1 Flue outlet (part of the standard boiler delivery) 2 Basic duct set comprising:...
Page 157 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe (system size 80 and 100) Vitodens 200 Rated output range 8.8 20.0 8.8 26.0 Max. length system size 80 Vitodens 300 Rated output range 4.2 13.0...
Page 158 4.2 Design and sizing information for connection on the flue gas side Special designs: open flue operation with combustion air supply via connection to the ambient air for the Vitodens up to 35 kW (type B according to TRGI '86/96) The Vitodens may also be installed in H sufficient combustion air supply is When routing through ducts, the same...
Page 159 4.2 Design and sizing information for connection on the flue gas side Connection with plastic flue pipe (PPs) to a moisture-resistant chimney (MR chimney negative pressure) (type B according to TRGI '86/96) Vitodens condensing boilers may be A flue pipe which is pressure sealed and Addresses: connected to moisture-resistant chimney moisture-resistant in accordance with...
Page 160 TRGI '86/96 item 5.5.4 or local Use an inspection aperture in accordance regulations). with the selected flue pipe diameter (for Example: Vitodens 200, 4 × 66 kW sizing tables, see page 162). Total rated output 264 kW 150 cm + 190 × 2 cm = 530 cm 2 ×...
Page 161 4.2 Design and sizing information for connection on the flue gas side Components and cable lengths Standard delivery flue gas cascade A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air A Ventilation air...
Page 162 4.2 Design and sizing information for connection on the flue gas side Max. total length of the flue pipe Vitodens 300 2 × 49 2 × 66 3 × 49 3 × 66 4 × 66 Rated output (total) Max. length of the total horizontal interconnecting pipe System size 125 mm System size 150 mm Max.
Page 163 4.2 Design and sizing information for connection on the flue gas side Installation and dimensions (max.) min. 100 max. 400 1 Flue gas header ∅ 125 or 150 mm 2 Non-return valve ∅ 100 mm 3 Terminal piece with condensate drain 4 Siphon with hose 5 Inspection piece ∅...
Page 164 4.2 Design and sizing information for connection on the flue gas side Multi-boiler systems with flue gas systems negative pressure Vitodens 200 and 300 Size to EN 13384. Flue gas header in the negative pressure range, see Vitoset pricelist. Pressurised flue gas systems for multi-boiler systems, see page 160.
Page 165 4.3 Flue gas system components 4.3 Details of plastic flue gas systems Balanced flue components Balanced flue pipe Balanced flue bend (87º) Balanced flue bend (45º) (these pipes may be trimmed as required) Standard pack 2 pieces System size ∅ 60 and 80 mm System size ∅...
Page 166 4.3 Flue gas system components Balanced flue inspection piece (straight) Balanced flue inspection tee piece (87º) Balanced flue sliding coupling System size ∅ 60 and 80 mm System size ∅ 60 and 80 mm System size ∅ 100 mm System size ∅ 100 mm System Dimension System...
Page 167 4.3 Flue gas system components Balanced flue wall bezel Universal cover plate Fixing clamp, white for installation on internal or external walls System Dimension System Dimension System Dimension size [mm] size [mm] size [mm] ∅ mm ∅ mm ∅ mm Balanced flue roof outlet with fixing clamp Roof extension...
Page 168 4.3 Flue gas system components External wall components for routing over an external wall External wall set External pipe External wall bend A with air inlet B, dual fem. coupling C and wall bezel D System size ∅ 60 and 80 mm System size ∅...
Page 169 4.3 Flue gas system components Single pipe system components Flue pipe Flue pipe bend (87º) Flue pipe bend (45º) (these pipes may be trimmed as required) Standard pack 2 pieces System Dimension System Dimension System Dimension size [mm] size [mm] size [mm] ∅...
Page 170 4.3 Flue gas system components Single pipe system components (cont.) Duct cover, plastic Spacer (fixing material is part of the standard delivery) Standard pack 3 pieces (used for internal duct dimensions of 130 × 130 mm to 250 × 250 mm or ∅...
Page 171 4.3 Flue gas system components Components for multiple connections to a LAS chimney with positive pressure Connection tee with longitudinal Fixing clamp Condensate drain connection connection and fixing clamp For securing the flue pipe horizontally Reduction from ∅ 100 mm to ∅ 40 mm inside the duct VITODENS...
Page 172 4.3 Flue gas system components Inspection piece (straight) Inspection tee piece Inspection bend System size ∅ 80 mm System size ∅ 100 mm System Dimension System Dimension System Dimension size [mm] size [mm] size [mm] ∅ mm ∅ mm ∅ mm Ventilation bezel System Dimension...
Page 173 4.3 Flue gas system components Components of the flexible single pipe system incl. flexible flue pipe Flue pipe, flexible Inspection piece (straight) Duct cover Standard pack (L) 8, 12.5 or 25 m on a roll with terminal piece System Dimension System Dimension System...
Page 174 4.3 Flue gas system components Components for separate ventilation air and flue pipes For system size ∅ 60 mm and ∅ 80 mm Ventilation pipe Ventilation bend (87º) Ventilation bend (45º) (these pipes may be trimmed as required) Standard pack 2 pieces 500/1000 Balanced flue tee C 8 System size ∅...
Page 175 4.3 Flue gas system components Components for multi-boiler systems Flue gas collector pipe Terminal piece with condensate drain 1000 Siphon Non-return valve Flue pipe 250 mm long VITODENS...
Page 176 4.3 Flue gas system components Roof elements Universal roof tile Pipe outlet for Klöber roof tiles (suitable for roof slopes of 25º to 55º) (only for system size ∅ 80 mm) (suitable for roof slopes of 20º to 50º) Ø 134 Ø...
Page 177 4.3 Flue gas system components Balanced flue wall bezel for interconnected air supply (only for system size ∅ 80 mm) System Dimension size [mm] ∅ mm Step in the balanced flue pipe (e.g. in corbelled ducts) (2 × 45º balanced flue bends) Smallest offset (A) Offset 100 mm for system size ∅...
Page 178 We recommend that you carry out characteristics of the Vitodens gas fired the installation, the mains gas and flue maintenance and cleaning procedures condensing boilers from Viessmann meet gas connections, the commissioning, the annually. As part of this maintenance the requirements of EN 297.
Page 179: Keyword Index
5.2 Keyword index Keyword index Accessories, 120 Flue gas cascades, 160 Pre-installation, 64 Pressure drop, secondary side, 53 for control units, 23, 32 Flue gas connection, 127 for flue gas system, 134 Flue gas header, 127 Primary cylinder, 7, 41, 78 for installation, 54 Flue gas high limit safety cut-out, 128 Primary pressure drop, 83, 88...
Page 180 Subject to technical modifications. Viessmann Werke GmbH & Co KG D 35107 Allendorf Tel: +49 6452 70 0 Fax: +49 6452 70 27 80 www.viessmann.de Viessmann Limited Hortonwood 30, Telford Shropshire, TF1 7YP , GB Tel: +44 1952 675000 Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...

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