Meets 3-star classification to Efficiency Directive

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1 Vitopend 100-W Gas system/combi boiler, type WH1D, with modulating atmospheric burner for open or balanced flue operation. Rated output range: 10.5 to 31 kw

2 Vitopend 100-W a ti c sifi ve s a c l e c ti r a r - s t y Di 3 t s ie nc e Me Ef fic to on

3 2/3 VITOPEND 100-W Efficient and affordable Are you looking for an advanced wall mounted gas boiler with a particularly attractive price/performance ratio without having to compromise on quality? Then the Vitopend 100-W is just what you re looking for. With a range of outputs and designs, you re sure to find the right model for any application. Vitopend 100-W product range at a glance Vitopend 100-W gas system boiler: 24.8 kw (balanced flue mode) 24 kw (open flue mode) Efficiency: up to 84 % (H s )/93 % (H i ) (24.8 kw) 360 (31 kw) *** DREI STERNE 400 (24.8 kw) 450 (31 kw) One of the smallest and quietest wall mounted gas boilers in this product segment With its compact dimensions and minimum operating noise, this boiler can easily be integrated into the living area. A number of detailed features further enhance the sound insulation, compared to the earlier model. Energy efficient and environmentally compatible Classified as a low temperature boiler (three stars) according to EU Efficiency Directive 92/42. Vitopend 100-W gas combi boiler: 24.8 and 31 kw (balanced flue mode) 24 and 30 kw (open flue mode) Efficiency: up to 84 % (H s )/93 % (H i ) EU-Richtlinie 92/42 Reliable and durable Made in Germany As a large-scale manufacturer with many years of experience in the production of wall mounted boilers, we know what matters. Product quality and performance are never compromised, as can be seen in the attractively priced Vitopend 100-W. Viessmann wall mounted boilers are well known for innovative technology and performance, but their reliability and durability are renowned. Simple boiler replacement Easy adaptation to existing installations thanks to a clearance for the connections of 125 mm litres/minute (31 kw) High DHW convenience High drawing rate and highly consistent outlet temperature due to electronic temperature control. Particularly easy to service and maintain AquaBloc hydraulic unit with multiconnect system: all components relevant to maintenance are easily accessible and replaceable from the front.

4 Vitopend 100-W Control unit/accessories Hydraulic accessories Control unit with integral diagnostics system 1 Pressure gauge 2 LCD 3 Rotary selector for DHW temperature 4 Rotary selector for heating water temperature 5 ON/OFF switch with reset function Nice and easy: using the control unit All functions can be controlled with a few simple steps Simple operation Control unit functions The heating water and DHW temperatures The electronic boiler circuit control unit can be set quickly with the user friendly for room temperature-dependent mode is rotary selectors. integrated in the Vitopend 100-W. Frost Operating states and temperatures are shown protection monitoring is also an integral on the digital display. function. Vitotrol 100, remote control type RT Remote control of the heating system from the living area Four remote control units are available for the Vitopend 100-W. Vitotrol 100, remote control type UTA Vitotrol 100, type RT Room thermostat to control the system temperature in the lead room Vitotrol 100, type UTA Clock thermostat with operating mode changeover and integral time switch (analogue) Vitotrol 100, remote control type UTDB Vitotrol 100, type UTDB Digital clock thermostat with large LCD Vitotrol 100, type UTDB-RF Room thermostat with integral wireless transmitter and separate receiver Vitotrol 100, remote control type UTDB-RF

5 4/5 Perfectly matched Installation components (accessories) Various sets of installation components are available for the boiler water and gas connections: with straight pipes for flexible connection to every installation with individual valves for convenient maintenance and service work. 1 For an aesthetic finish to the appliance, a valve cover with the same design is available as an accessory. 1 Wall mounting bracket 2 Installation components, straight 3 Valve cover 3 2 Installation aid (accessory) With the installation aid, all connections can be prepared during the building phase and tested for tightness the Vitopend 100-W is simply hooked in later. 1 For an aesthetic finish to the appliance, a valve cover with the same design is also included as part of the standard delivery (gas combi boiler). 1 Fixing bracket with installation brace (installation aid) 2 Panel with valves and pipe bends (gas combi boiler shown here) 3 Valve cover 3 2 Solar kit The Vitopend 100-W solar kit enables fast, convenient and space saving connection to central solar thermal systems for DHW heating. DHW from solar energy is instantly available on demand via an integral heat exchanger. This is an ideal way to implement the legally stipulated usage of solar thermal systems in new builds. Solar kit

6 Vitopend 100-W Installation and commissioning Product cross-section Easy to install and service Installation and commissioning 1. Pre-installation using the installation template 2. Installing the appliance 3. Making the electrical connections 4. Commissioning The Vitopend 100-W can be installed and commissioned in a few simple steps. No compromises have been made in the design of the Vitopend 100-W wall mounted gas boiler so simple installation and time saving maintenance are ensured. 1. Pre-installation using the installation template 2. Installing the appliance 3. Making the electrical connections 4. Commissioning Accessories for the gas system boiler Viessmann DHW cylinders installed below the boiler, with 120 or 150 litre capacity, can easily be connected using a connection set. Suitable connection sets are also available in the product range for DHW cylinders installed adjacent to the boiler. Connection set for the Vitocell 100-W DHW cylinder (installed below the boiler) with interconnecting pipes

7 6/ Vitopend 100-W from 10.5 to 31 kw 1 Quiet flue gas fan 2 Effective heat exchanger 3 Tall combustion chamber for clean combustion 4 Modulating atmospheric burner 5 Quiet AquaBloc hydraulic unit with multi-connect system 6 Digital control unit

8 Vitopend 100-W Technology Flue connections Dimensions # A Area for electrical supply cables B Compulsory in conjunction with DHW cylinders below, otherwise recommendation only C Top edge, finished floor D Valve/fittings cover Circulation pump Rated output kw 24/ /31 Circulation pump Typ e VP-15/50 VP-15/60 Residual head with integral overflow B A valve Rated voltage V~ Power consumption W Minimum system pre-charge pressure Water temperature: < 85 C Minimum pre-charge pressure: 0.8 bar

9 8/9 Flue/ventilation air systems for balanced flue operation (aluminium) Install a condensate trap in the balanced flue to ensure that the condensate is drained off. ponents: Balanced flue bend 45 Balanced flue bend 87 Roof outlet Vertical sloping or flat roof outlet directives. flat roof collar. External wall connection External wall connection Vertical sloping or flat roof outlet Note For further balanced flue systems (incl. Ø 80/125 mm), see the separate datasheet "Flue systems" Further balanced flue components Part no. System size in mm Ø 60/100 Balanced flue pipe Balanced flue pipe Balanced flue bend 90 Balanced flue bend Balanced flue inspection piece, Balanced flue condensate trap Drain outlet kit

10 Vitopend 100-W Technology Specification Gas system and combi boilers balanced flue open flue Rated output range for central heating/dhw heating kw Rated heat input kw Product ID CE-0085 BQ 0447 CE-0085 BQ 0447 Efficiency at full load (100 %) % at partial load (30 %) % Energy efficiency in accordance with 92/42 EEC 3 stars low temperature NO x class CO emissions at full load mg/kwh < 100 < 100 < 100 < 100 Gas supply pressure Natural gas mbar LPG mbar Max. permissible gas supply pressure Natural gas E/LL mbar LPG mbar 37/ / / /57.5 Max. power consumption (incl. circulation pump) W Operating voltage V / Hz 230/50 230/50 230/50 230/50 IP rating IP X4D X4D X4D X4D Max. adjustable boiler water temperature C Permiss. operating pressure bar 0.8 to to to to 3 Diaphragm expansion vessel Contents litres Pre-charge pressure bar Vitopend content litres Instantaneous water heater (only gas combi boilers) Max. operating pressure bar Continuous DHW output kw l/min Outlet temperature (adjustable) C Draught Required draught Pa Residual draught, flue gas fan Pa Flue gas connection Balanced flue connection coaxial Ø mm 60/100 P80/125 60/100 P 80/125 parallel Ø mm 80/80 80/80 Dimensions Length mm Width mm Height mm Height incl. fitting cover mm ep: height incl. solar kit mm Weight gas system/combi boiler kg 35/ /31 34 Flue gas loss at rated output % Radiation loss at rated output % Standby heat loss %

11 10/11 Design information Installation for open flue operation In open flue operation the installation room is subject to the following requirements: Clearance for maintenance work mm above in front Electrical Connections mm from the wall in the Cables NYM-J 2-core min mm 2 NYM-O 3 x 1.5 mm mm 2 UTD Chemical anti-corrosion agents Heating circuits Underfloor heating circuit Sub-mounting kit with thermostatic mixer Low loss header Safety valve/overflow valve (heating water side) Opening pressure: 3 bar mbar Water quality/frost protection 3 Drinking water quality 3 DHW connection of the gas combi boiler Sizing the expansion vessel

12 Your heating contractor: AE 04/2012 Copyright Viessmann. Duplication and alternative use only with prior written consent. Subject to technical modifications. Calle Santa Amelia, La Laguna Tel: (+34)