Viessmann Vitoflex 300-UF 390 Service And Maintenance Instructions
Wood-fired boiler
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Also See for Vitoflex 300-UF 390:
- Installation and operating instructions manual (76 pages) ,
- Service and maintenance instructions (36 pages) ,
- Installation and operating instructions manual (64 pages)
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Service and
Maintenance Instructions
for use by engineers and heating contractors
Vitoflex 300-UF 390, 530, 720, 950 AND 1250
Wood-fired Boiler
Output range: UF 390, 334 to 1331 kW
UF 530, 450 to 1808 kW
UF 720, 614 to 2457 kW
UF 950, 812 to 3242 kW
UF 1250, 1065 to 4265 kW
Vitoflex 300-UF
5603 884 - 04
03/2017
H
WARNING
If the information in this manual is not
followed exactly, a fire or explosion
may result causing property damage,
personal injury or loss of life.
Do not store or use gasoline or other
flammable fluids in the vicinity of this or
any other appliance.
WHAT TO DO IF YOU SMELL FLUE GAS
Deactivate heating equipment
Open windows and doors.
Inform your heating contractor
WARNING
Improper installation, adjustment and/or
operation could cause carbon monoxide
poisoning resulting in injury or loss of life.
This product must be installed and serviced
by a professional service technician who is
experienced and qualified in hot water boiler
installation and wood fuel combustion.
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
.
for future reference
Please file in Service Binder
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Table of Contents
Related Manuals for Viessmann Vitoflex 300-UF 390
Summary of Contents for Viessmann Vitoflex 300-UF 390
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Page 1: Maintenance Instructions
Service and Maintenance Instructions for use by engineers and heating contractors Vitoflex 300-UF 390, 530, 720, 950 AND 1250 Wood-fired Boiler Output range: UF 390, 334 to 1331 kW UF 530, 450 to 1808 kW UF 720, 614 to 2457 kW... -
Page 2: Safety, Installation And Warranty Requirements
For information pertaining to venting in the combustion process, which are poisonous to and chimney requirements, refer to the inhabitants and destructive to Viessmann equipment. “Installation and Operating Instructions”. All products of combustion must be For a listing of chemicals which safely vented to the outdoors. -
Page 3: About These Instructions
This symbol indicates that other instructions must be referenced. Note: Viessmann Manufacturing Company Inc. reserves the right to make product changes or updates without notice and will not be held liable for errors or omissions in the product literature. -
Page 4: Table Of Contents
Table of Contents Vitoflex 300-UF Service & Maintenance Page Introduction Safety, Installation and Warranty Requirements....2 About these Instructions..........3 General Information Product Information.............5 Important Regulatory and Installation Requirements ..6 Safety Safety Instructions............8 Carbon Monoxide............9 Extreme Weather Conditions........10 Hazardous Material............11 Mechanical Room.............12 Combustion Air Supply..........13 Maintenance Components of the Biomass Boiler......14... -
Page 5: Product Information
General Information Vitoflex 300-UF Service & Maintenance Product Information Viessmann solid-fuel boiler can only be installed and Maximum allowable working pressure (water)…30 or 60 psi serviced by qualified trained personnel. Maximum water temperature…250°F (120°C) (closed loop) Steel wood-fired hot water heating boiler. -
Page 6: Important Regulatory And Installation Requirements
Leave all literature at the installation site and advise Technical literature the system operator/ultimate owner where the Literature applicable to all aspects of the Vitoflex 300-UF literature can be found. Contact Viessmann for wood-fired boiler: additional copies. - Installation and Operating Instructions ... - Page 7 General Information Vitoflex 300-UF Service & Maintenance Important Regulatory and Installation Requirements (continued) Regular maintenance and service WARNING The entire heating system must be cleaned and serviced on a regular basis by a qualified contractor or service Improper installation, adjustment, service, or maintenance agency to ensure reliable, energy-efficient, and can cause flue products to flow into living space.
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Page 8: Safety Instructions
Safety Vitoflex 300-UF Service & Maintenance Safety Instructions Doors: for safety keep firing and ashpit doors tightly closed IMPORTANT CAUTION The local building codes and regulations must be followed by the heating contractor. FIRE HAZARD: The boiler must NEVER be operated with the doors open! IMPORTANT Any burning bits that escape could start a fire. -
Page 9: Carbon Monoxide
Note: Viessmann does not test any detectors and makes WARNING no representation regarding any brand or type of detector. -
Page 10: Extreme Weather Conditions
Safety Vitoflex 300-UF Service & Maintenance Extreme Weather Conditions Frozen water pipe hazard If your home will be unattended for an extended period Your heating boiler is designed to provide a warm and of time during cold weather, you should... comfortable living environment. -
Page 11: Hazardous Material
Safety Vitoflex 300-UF Service & Maintenance Hazardous Material Fiberglass wool and ceramic fiber materials Suppliers of ceramic fiber products recommend the WARNING following first aid measures: - Respiratory tract (nose and throat) irritation: Inhaling of fiberglass wool and/or ceramic fiber materials If respiratory tract irritation develops, move the is a possible cancer hazard. -
Page 12: Mechanical Room
Safety Vitoflex 300-UF Service & Maintenance Mechanical Room No combustible materials may be stored in the heating IMPORTANT room. The heating boiler may only be set up on a fire- resistant and temperature-resistant floor. No temperature- Components which are not tested with the heating sensitive pipes or lines may be installed in the floor system may damage the heating system or affect its beneath the heating boiler. -
Page 13: Combustion Air Supply
Safety Vitoflex 300-UF Service & Maintenance Combustion Air Supply Codes General Provision for combustion and ventilation air must be made This equipment requires fresh air for safe operation. in accordance with applicable local codes. The boiler location must never be under negative pressure. In the absence of local codes, use: Exhaust fans, attic fans, or dryer fans may cause air to be CSA B365-10, Installation Code for Solid Fuel Burning... -
Page 14: Components Of The Biomass Boiler
Maintenance Vitoflex 300-UF Service & Maintenance Components of the Biomass Boiler Legend 7 Combustion chamber 1 In-feed auger with isolating layer 8 Combustion chamber door 2 Drive for moving grate 9 Pneumatic cleaning system (optional) 3 Igniter qP Heat exchanger door 4 Controlled combustion air supply system qQ Safety heat exchanger for thermal safety flush valve 5 Moving grate... -
Page 15: Cleaning
Maintenance Vitoflex 300-UF Service & Maintenance Cleaning Boiler The heat exchanger, flue gas pipe, and chimney must be Regular cleaning and maintenance of the boiler system is of the utmost importance to assure trouble-free operation cleaned regularly to remove accumulated creosote and ash. and to obtain the greatest possible output at the best Ensure that the heat exchanger, flue gas pipe, and efficiency. -
Page 16: Heat Exchanger Tube Displacement Rods
They have to be taken out to clean the heat exchanger tubes and put back in after cleaning. Note: Vitoflex 300-UF 390 and 530 do not have displacement rods. -
Page 17: Flue Gas Cyclone (Optional)
Maintenance Vitoflex 300-UF Service & Maintenance Cleaning (continued) Flue gas cyclone (optional) The flue gas cyclone minimizes dust emissions and is CAUTION designed as a multi-cyclone with an axial function. RISK OF INJURY: Shut the system off before starting The cyclone is completely insulated and provided with a total of three lids for cleaning. -
Page 18: Flue Gas Re-Circulation System (Optional)
Maintenance Vitoflex 300-UF Service & Maintenance Cleaning (continued) Flue gas re-circulation system (optional) WARNING CAUTION A mixture of emissions and air that may contain carbon RISK OF INJURY: Shut the system off before starting monoxide (CO) and other toxic odorless gases is produced any cleaning. -
Page 19: Feed Systems
(danger of blow-ups, burns and getting crushed)! Note: Viessmann recommends the installation of carbon monoxide detector(s) inside the fuel storage area. IMPORTANT The fuel storage area/room must be designed, operated and maintained to national, provincial and local codes and requirements. -
Page 20: Shutdown
Maintenance Vitoflex 300-UF Service & Maintenance Shutdown Boiler Disposal of the boiler Heat exchanger: Switch off the Vitoflex 300-UF by pressing the boiler off button. When the burn-out has taken place, and When the Vitoflex 300-UF is not in operation for a the boiler has cooled down, turn off the main switch. -
Page 21: System Faults
Troubleshooting Guide Vitoflex 300-UF Service & Maintenance System Faults Text for error Indicator Possible cause Check / remedy shown on display Excess - Fixed high limit at the - Incorrect set-point adjusted - Why couldn’t the heat be transferred? temperature, lack top of the boiler (N21) on the control module - Check the boiler pump and mixing valve... - Page 22 (B27) Auger” set too low - Acknowledge in Screen 2 Facility now - Oxygen sensor (B26) - Oxygen sensor very - Call Viessmann running without - Oxygen sensor soiled, or defective - Acknowledge in Screen 2 Optimization transducer (U26)
- Page 23 Troubleshooting Guide Vitoflex 300-UF Service & Maintenance System Faults (continued) Text for error Indicator Possible cause Check / remedy shown on display Malfunction, - Limit switch on the - The combustion chamber - Close combustion chamber door combustion combustion chamber door is open or not - The distance between the panel chamber door...
- Page 24 Vitoflex 300-UF Service & Maintenance...