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Table of Contents
Related Manuals for Viessmann VITOGAS 100 GS1 series
Summary of Contents for Viessmann VITOGAS 100 GS1 series
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Page 1: Installation Instructions
Installation Instructions for Use by Heating Contractor Vitogas 100 GS1 Series Natural gas-/propane-fired, single-stage atmospheric cast-iron boiler Heating input 90 to 240 MBH 26 to 70 kW VITOGAS 100 IMPORTANT Read and save these instructions for future reference. 5167 463 v1.3 02/2011... - Page 2 Viessmann equipment. " Please see section " For a listing of " For information entitled “Important...
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Page 3: Table Of Contents
Contents Page Important Regulatory and Installation Requirements Safety ..General Information About these Installation Instructions ....... . . Product Information . -
Page 4: Important Regulatory And Installation Requirements
- Technical Data Manual literature can be found. Contact - Installation Instructions Viessmann for additional copies. - Start-up/Service Instructions - Operating Instructions and User’s Information Manual - Instructions of other Viessmann products utilized and installed - Installation codes mentioned in this manual... - Page 5 Safety Safety, Installation and Warranty Requirements (continued) Suppliers of fiberglass wool products Fiberglass wool and ceramic fiber Hazardous materials recommend the following precautions materials be taken when handling these materials: WARNING WARNING Precautionary measures Appliance materials of construction, - Avoid breathing fiberglass dust and Inhalation of fiberglass wool and/or products of combustion and the fuel contact with skin and eyes.
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Page 6: About These Installation Instructions
General Information About these Installation Instructions Take note of all symbols and notations intended to draw attention to potential hazards or important product information. These include ”WARNING”, ”CAUTION”, and ”IMPORTANT”. See below. Warnings draw your attention to the WARNING presence of potential hazards or important product information. -
Page 7: Mechanical Room
General Information Mechanical Room During the early stages of new home design, we recommend that proper consideration be given to constructing a separate mechanical room dedicated to gas- or oil-fired equipment including domestic hot water storage tanks. The boiler must be located in a heated indoor space, near a floor drain, and as close as possible to the vertical chimney or vent. -
Page 8: Before Set-Up
Set-up Set-up Before Set-up Before placing boiler in its installation Installation Instructions IMPORTANT location, ensure all necessary Boiler Stand accessories (e.g. boiler stand) are installed. Do not use draft hood or boiler enclosure paneling to lift/move boiler into its installation location. CAUTION The boiler must be installed in such a way that gas ignition system... -
Page 9: Recommended Minimum Clearances To Combustibles
Set-up Minimum Clearances Recommended minimum clearances to combustibles For typical installations, Viessmann recommends installing the boiler with clearances as published on the previous page in subsection entitled “Recommended minimum clearances for service”. The Vitogas 100, GS1 boiler is approved for closet and alcove installations with the... -
Page 10: Boiler Set-Up And Orientation
Set-up Boiler Set-up and Orientation For Vitogas 100, GS1 installations on a Vitocell tank, reference the Installation Instruction Supplement supplied with the tank. 1. Move boiler as close as possible to chimney and set up using leveling bolts. Use a level to ensure boiler is level. -
Page 11: Boiler Control Base Installation
C22.1. Do not rely on piping to See wiring diagram label on boiler. the boiler to the service panel. ground the boiler. Service personnel Viessmann reserves the right to standing in wet areas may be substitute electrical components as Boiler electrical requirements are electrocuted by an ungrounded boiler. -
Page 12: Boiler Wiring
Connections Connections Electrical Connections (continued) Boiler wiring For detailed information regarding connections on control base, see Installation Instructions for Boiler Control. IMPORTANT The power supply cable is shipped with the boiler control. 1. Open strain reliefs located on rear panel. 2. -
Page 13: Venting Connection
A side wall power vent system can be connection must be made in the exhaust fans, such as range hoods ordered from Viessmann. This package shortest possible way with minimum and bathroom exhausts, so they will includes the appropriate power venter, elbows. - Page 14 Connections Venting Connection (continued) Chimney Blocked vent and flame roll-out safety IMPORTANT switch A corrosion-resistant approved liner must be installed in masonry or unlined The blocked vent switch is located at When installing piping or venting, or chimneys. The liner should be insulated the back of the boiler in the draft hood.
- Page 15 Connections Venting Connection (continued) Installation 1. Install the venting so as to achieve the shortest possible way with minimum elbows. If necessary, rearrange existing water piping to achieve closest chimney connection. 2. Horizontal runs must be supported by appropriate means to prevent sagging.
- Page 16 Connections Venting Connection (continued) Vent damper installation If boiler is sold with a vent damper Should the vent damper become 1. Review step 4 in subsection entitled (packaged separately), the vent damper defective: “Boiler wiring” on page 11. must be installed on the boiler to meet minimum efficiency standards.
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Page 17: Gas Connection And Piping
Connections Gas Connection and Piping 1. Size and connect gas supply piping in accordance with local and national codes. 2. Before connecting boiler to gas line, install main gas shut-off valve, ground joint union, and capped drip leg. Connect boiler gas connection to the above. -
Page 18: Water Side Connections
Such systems must have the non-oxygen-diffusion barrier tubing separated from the boiler with a heat exchanger. Viessmann recommends the use of underfloor plastic tubing with an oxygen diffusion barrier. -
Page 19: Safety Connections And Pressure Testing
Connections Safety Connections and Pressure Testing Installation Instructions Viessmann Safety Header (accessory) Installing safety devices on the boiler Installing safety devices. IMPORTANT 1. Install pressure relief valve, discharge Install the (approved) factory supplied pipe, air vent and pressure gage as pressure relief valve. -
Page 20: Performing Pressure Test On The Boiler
Installation Instructions water, the boiler must be connected to any purpose. This boiler does not use a Domestic Hot Water Storage an indirect-fired domestic hot water tankless coil. Tank storage tank. Contact Viessmann for control options. Water for domestic use... -
Page 21: Installation Examples
Specific system layouts may be further discussed with the local Viessmann sales representative office. Clearances A minimum of 2” circumferential clearance from non-insulated hot water pipes to combustible construction must be maintained. - Page 22 Installation Examples IMPORTANT These examples show possible piping layouts for Viessmann product equipped with Viessmann System Technology. For boiler and tank combinations, please install only the feasible combinations listed in the Price List. These are simplified conceptual drawings only! Piping and necessary componentry must be field verified.
- Page 23 Connections Installation Examples (continued) With 3-way mixing valve to regulate heating circuit e.g. with Vitotronic 200, KW2 combined with a mixing valve actuator accessory kit Heating circuit Spring-loaded flow check valve Circulation pump Safety header with automatic air vent, pressure relief valve, and pressure gage Expansion tank Domestic hot water storage tank...
- Page 24 Connections Installation Examples (continued) With 4-way mixing valve to regulate heating circuit e.g. with Vitotronic 200, KW2 combined with a mixing valve actuator accessory kit Heating circuit Spring-loaded flow check valve Circulation pump Safety header with automatic air vent, pressure relief valve, and pressure gage Expansion tank 4-way mixing valve...
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Page 25: System With Multiple Zones
Connections Installation Examples (continued) System with multiple zones If system has motorized zone valves and single circulating pump installed, operate pump continuously and install pressure by-pass around pump. Operate zone valves on/off by individual room thermostats only. Do not connect end switches to burner since overheating of boiler may occur. -
Page 26: Boiler In A Heating/Cooling Application
Connections Installation Examples (continued) Boiler in a heating/cooling application The boiler, when used in connection with a refrigeration system, must be installed ensuring the chilled medium is piped in parallel to the boiler with appropriate valves to prevent the chilled medium from entering the boiler. -
Page 27: Boiler With Low Water Cut-Off
................Viessmann Safety Header... -
Page 28: Important Precautions
Bypass can be installed on any system of failure is not covered by warranty. separated from the boiler with a heat as a preventative measure. Viessmann Water must not be drained from system exchanger. Viessmann recommends the strongly recommends installing a... -
Page 29: Combustion Air Supply
Connections/Fresh Air Installation Examples (continued) Important precautions (continued) Supply/return bypass for large water content systems with mixing valve Install supply/return bypass as follows: 1. Install full size bypass pipe (same diameter as boiler supply and return pipes) as shown. 2. Install a flow regulating/throttling valve “V”... -
Page 30: Combustion Air Opening
Fresh Air Combustion Air Supply (continued) Louvres and grilles In calculating free area as specified on ¼” / 6 mm mesh and shall be readily the free area specified. If the design page 29 and 30, consideration shall be accessible for cleaning. If the free area and free area are not known, it shall be given to the blocking effect of louvers, through a design of louvre or grille is... -
Page 31: Post-Installation
Appendix Post-Installation ... Start-up information Start-up/Service Instructions of boiler and control Service Binder 1. File all Parts Lists, Operating and Service Instructions into the Service Binder. 2. Install a protective hanging case near the boiler and store the Service Binder in this location. Technical Data Model No. -
Page 32: Wiring Diagrams
Wiring Diagrams Vitogas 100, GS1 with Vitotronic 100 Controls Please refer to wiring label on boiler access panel. Viessmann reserves the right to substitute components or wiring methods. Boiler wiring label takes precedence. - Page 33 Wiring Diagrams Vitogas 100, GS1 with Vitotronic 200 and 300 Controls Please refer to wiring label on boiler access panel. Viessmann reserves the right to substitute components or wiring methods. Boiler wiring label takes precedence.
- Page 34 Wiring Diagrams Vitogas 100, GS1 Ladder Diagram of Ignition System Legend Terminals in plug Relay coil 1 400 ºF / 204 ºC Contact of relay 1 Limit contact in boiler control 235 ºF / 113 ºC 120 V / 24V, class II transformer Fuse (slow blow) Vent damper End switch in vent damper...
- Page 35 5167 463 v1.3...
- Page 36 Viessmann Manufacturing Company (U.S.) Inc. Viessmann Manufacturing Company Inc. 45 Access Road 750 McMurray Road Warwick, Rhode Island • 02886 • USA Waterloo, Ontario • N2V 2G5 • Canada Tel. (401) 732-0667 • Fax (401) 732-0590 Tel. (519) 885-6300 • Fax (519) 885-0887 www.viessmann-us.com •...
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Questions and answers
Service procedure for combustion chamber
The service procedure for the combustion chamber of the Viessmann VITOGAS 100 GS1 series includes the following steps:
1. Inspect Burners
- Ensure gas orifices and slots of burner tubes are visually free of defects or damage.
- Blow out burner tubes with high-pressure air and clean with a soft bristle (non-metallic) brush.
2. Inspect Pilot Burner
- Ensure ionization electrode, pilot burner, and ignition electrode are visually free of defects or damage.
- Check the spark gap.
- Use emery cloth to clean the ionization electrode.
- Replace the pilot burner if necessary.
3. Clean Heat Exchanger (if applicable, with burner tray removed)
- Loosen sheet metal screws from the back and remove the top panel.
- Unhook spring clips and remove the insulation blanket.
- Loosen screws and remove the flue gas collector cover.
- Clean the heat exchanger using the factory-supplied cleaning brush.
- Remove debris from the baseplate.
- Reinstall the flue gas collector cover.
- Place the mineral wool and insulation blankets back over the cover and secure them using spring clips.
- Reinstall the top panel.
4. Reinstall Burner Tray
5. Check Water Pipe Connections
- Inspect heating system and domestic hot water connections for leaks.
- Correct any leaks found on fittings, pumps, and valves.
6. Check Safety Devices
- Ensure the proper operation of low water cut-off (if applicable), pressure relief valve, and pumps.
- If oil-lubricated pumps are used, ensure proper lubrication.
- Check the pressure gauge, air vent, and pressure relief valve for leaks.
Caution: Do not use chemical cleaners under any circumstances.
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