See also: Technician Manual , Technical Manual. If the information in this manual is not followed. This product must be installed and serviced by a. Patent and Trademark Office. Table of Contents. Previous Page.
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Type wb2b, 45 and 60 kw wall mounted gas fired condensing boiler natural gas and lpg version pages. Page 2 Safety, Installation and Warranty Requirements Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation.
Ensure all requirements below are understood and fulfilled including detailed information found in the manual subsections. Safety For your Safety. Rooms are too cold Rooms are too hot. Page 5: About These Instructions Your heating contractor proper qualifications and hold all to the performance of the Viessmann should always perform the initial start-up necessary licenses.
Vitodens W. Neglected and explain the system. Any warranty is maintenance impacts on warranty; Page 6: Safety For Your Safety if so equipped. Note: CAUTION - Ensure that nothing is obstructing the Viessmann does not test any detectors flow of combustion and ventilation air Should overheating occur or the gas and makes no representation regarding and no chemicals, garbage, gasoline, supply fail to shut off, do not any brand or type of detector.
Page 7 Safety For your Safety continued Frozen water pipe hazard If your home will be unattended for an extended period of time during cold weather, you should WARNING Shut off the water supply to the Failure to protect against frozen pipes building, drain the water pipes and add could result in burst water pipes, an antifreeze for potable water to drain Page 8 Safety For your Safety continued If you notice fire coming from the Installation area conditions Sources of combustion and ventilation air appliance, call the fire department contaminants immediately!
Areas likely to contain contaminants: Incorrect ambient conditions can lead to New building construction Normal room temperature Times and duration of the two room for the times you spend at home and temperatures can be set on the require a comfortably warm room programming unit of your control.
You may also make such adjustments for the respective heating circuits at the remote control unit, if your system is equipped with such a unit. See the remote control operating instructions. Risk of freezing p DHW heating via solar heating Central heating with normal Page Heating System With Two Heating Circuits Inform Yourself Overview of Controls and Indicators continued Heating system with two heating circuits When two heating circuits have been connected to your heating system, select the heating circuit to which the setting should apply before making adjustments at the control unit.
Notify your heating contractor if the system pressure is too low. How switching times work Scanning and changing switching times. Changing the domestic hot water temperature.
Changing time and date. Scanning temperatures and operating status. Selecting the language. Changing the heating pattern of the boiler. Overview of menu structures. Lighting and operating instructions.
Alphabetical index. See below. Cautions draw your attention to the presence of potential hazards or important product information. Helpful hints for installation, operation or maintenance which pertain to the product. This symbol indicates that additional, pertinent information is to be found in column three. This symbol indicates that other instructions must be referenced. For your Safety H Operation Before operating the boiler, make sure you fully understand its method of operation.
Your heating contractor should always perform the initial start-up and explain the system. Any warranty is null and void if these instructions are not followed. H Flue gas smell v1. H Working on the equipment All personnel working on the equipment or the heating system must have the proper qualifications and hold all necessary licenses.
Ensure main power to equipment, heating system, and all external controls has been deactivated. Close main gas supply valve. Take precautions in all instances to avoid accidental activation of power during service work. H Dangerous conditions - Deactivate main power immediately. H Maintenance and cleaning Regular inspection and service by a qualified heating contractor is important to the performance of the Viessmann Vitodens Neglected maintenance impacts on warranty; regular inspection ensures clean, environmentally friendly and efficient operation.
We recommend a maintenance contract with a qualified heating contractor. Consumer Product Safety Commission strongly recommends the installation of carbon monoxide detectors in buildings in which gas-burning equipment is installed. Carbon monoxide can cause severe personal injury or loss of life.
Therefore, carbon monoxide detectors that are in compliance with a nationally recognized standard e. Note: Viessmann does not test any detectors and makes no representation regarding any brand or type of detector.
H For safe operation We recommend that you frequently: - Check for debris which could obstruct the flow of flue gases. The vent or chimney must not be blocked.
A blocked or partially blocked vent or chimney can cause flue gases to leak into the structure. Flue gases leaking into the house can cause injury or death. Blocked or partially blocked chimneys must have the blockage removed by a qualified heating contractor. Check for water on the floor from the discharge pipe of the pressure relief valve or any other pipe, pipe joint, valve or air vent.
Maintenance, service and cleaning are specified in the Installation Instructions. Before the heating season begins, it is recommended that the boiler and burner be serviced by a qualified heating contractor. Service contracts may be established through gas suppliers or other licensed contractors in your area. WARNING As there are no user-serviceable parts on the boiler, burner or control, the end-user must not perform service activities or adjustments of any kind on system components.
Failure to heed this warning can cause property damage, severe personal injury, or loss of life. Flue products contain poisonous carbon monoxide gas which can cause nausea or asphyxiation resulting in severe personal injury or loss of life. Instead, shut off the gas supply at a location external to the appliance. Defects must be corrected immediately.
Immediately call a qualified heating contractor to inspect the boiler and to replace any part of the control system and any gas control which has been under water. Boiler may shut down. Do not leave your home unattended for long periods of time during freezing weather conditions without turning off the water supply and draining water pipes or otherwise protecting against the risk of frozen pipes.
Your heating boiler is designed to provide a warm and comfortable living environment. It is NOT designed to ensure against freezing of water pipes.
The boiler is equipped with several safety devices that are designed to shut down the boiler and to prevent it from restarting in the event of various unsafe conditions.
If your home will be unattended for an extended period of time during cold weather, you should H Shut off the water supply to the building, drain the water pipes and add an antifreeze for potable water to drain traps and toilet tanks. Open faucets where appropriate. H Have someone check the building frequently during cold weather and call a qualified service agency if required. H Install a reliable remote temperature sensor that will notify somebody of freezing conditions within the home.
Certain molds are known to cause respiratory problems, as well as to pose other serious health risks. In case of water damage, immediate measures should be taken to dry out affected areas as quickly as possible to prevent mold from developing.
Do not attempt to extinguish the fire unless qualified to do so. H Prevent the air from becoming contaminated by halogenated hydrocarbons e. Combustion air for the heating process, and ventilation of the boiler room must be free of corrosive contaminants.
To that end, any boiler must be installed in an area that has no chemical exposure. The list to the right indicates the main, currently known sources. H Avoid continuously high levels of humidity e. H Never close existing ventilation openings. Installation or replacement may only be carried out by a qualified heating contractor.
Normal room temperature for the times you spend at home and require a comfortably warm room temperature e. Reduced room temperature for the times you are away from home. To save energy, a lower temperature is typically selected e. Times and duration of the two room temperatures can be set on the programming unit of your control. The timer of the control unit switches domestic hot water production on and off at the required times.
Domestic hot water heating can be set to take place during the times you spend at home and require hot water for your daily DHW requirements e. Times and duration of the domestic hot water production period can be set on the programming unit of your control. Domestic hot water heating can be set not to take place for the times you spend sleeping, for example. The domestic hot water recirculation pump if installed ensures that domestic hot water is readily available when domestic hot water is drawn.
The control unit switches automatically to space heating when the preset domestic hot water temperature is reached. Domestic hot water heating has priority over space heating. The control unit switches automatically to space heating when the heat exchanger temperature is satisfied with comfort switch on or when the preset domestic hot water temperature is reached with comfort switch off.
Upon opening the flip-down cover of the programming unit, the start menu showing all available adjustment options will appear in the display window. The programming unit can be removed from the control unit and mounted on a wall-mount base available as accessory anywhere in your main living area and used as a remote control. In instances where the programming unit is used as remote control, a temperature indicator available as accessory must be installed in place of the programming unit in the control base on the boiler.
The control unit is located behind the hinged cover in the front of the boiler. Open hinged cover of the control by exerting slight pressure with your fingertip on top of the cover. Ensure hinged cover is closed after every use to guarantee splash protection. The control unit comes factory preset to a standard operating mode. This means your heating system is ready for operation. All factory default settings can be changed to reflect your personal preferences. Date and time The date and time are factory preset and are updated through the built-in long-life battery.
Between hrs and hrs, space heating takes place at normal room temperature with domestic hot water production if installed when required. Between hrs and hrs, space heating takes place at reduced room temperature. Please note that this will reset all altered values to their original factory default setting. Space heating and domestic hot water H Space heating at normal or reduced room temperature according to preset switching times H Domestic hot water production with DHW tank installed or with Combi heating boiler H Freeze-up protection of boiler and the DHW storage tank.
You can set the required room temperature as follows. Example For the times you spend at home and require a comfortably warm room temperature. Example At nighttime or when you are away from home.
Changing the room temperature 1. The previous and current temperature values appear in the display window. Set the current temperature required using the selector knob. The display automatically disappears after approx. The selected temperature is stored. Domestic hot water is thus readily available when required.
Using Comfort Functions Setting the Party Mode Activate the party mode when you require space heating for a short period of time, independent of the preset heating program and outside the preset switching times. You can adjust the room temperature party temperature to suit your personal preference.
The party mode is now displayed together with the preset party temperature. Example Use the party mode option when you wish to stay up longer than usual e.
To change the room temperature party temperature Open the flip-down cover of the programming unit and follow the instructions in the display window. Ensure cover is closed when change is made. Activating the Energy Saving Mode Activate the energy saving mode when you require particularly economical space heating for a short period of time. In the energy saving mode, the preset room temperature is automatically lowered by approx. Example Use the energy saving mode option when you are not at home for a period of time e.
The energy saving mode is now displayed. Simply remove the programming unit from the control base in the front of the boiler or, if used as remote control, from the wall-mount base, and perform your programming from wherever convenient. Be sure to insert the programming unit in the control unit or wall-mount base upon completion of your programming. Switch off the heating system switch on the control unit before removing and inserting the programming unit.
Initial Start-up and Re-starting the Heating System Initial start-up and adjustment of the control unit to local conditions and the structural characteristics of your building must be performed by your heating contractor. We recommend that you contact your heating contractor before re-starting the heating system if it has been shut down for a long period of time.
To start up the system 1. Check heating system pressure on the pressure gage 1. Minimum system pressure 12 psig. If the needle of the pressure gage is below 12 psig, the system pressure is too low, in which case you must contact your heating contractor. Open the gas shutoff valve 2 field supplied. Switch on line voltage e. Your heating system is now ready for operation. If you do not want to use your heating system for a longer period of time several months , you should shut it down.
We advise you to contact your heating contractor before shutting down the heating system for longer periods of time. To shut down the heating system 1. Close gas shutoff valve and secure against unintentional opening.
All settings of the control unit still remain intact. Switch off line voltage e.
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