Table of Contents
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Service and
Maintenance Instructions
for use by engineers and heating contractors
KRT 150 to KRT 540 Series
Wood-fired Boiler
Max. output: 150 to 540 kW / 512 to 1843 MBH
Min. output: 45 to 140 kW / 154 to 478 MBH
Pyrot
r
5603 880 - 01 12/2014
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
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Summary of Contents for Viessmann KRT 150 series
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Page 1: Maintenance Instructions
Service and Maintenance Instructions for use by engineers and heating contractors KRT 150 to KRT 540 Series Wood-fired Boiler Max. output: 150 to 540 kW / 512 to 1843 MBH Min. output: 45 to 140 kW / 154 to 478 MBH Pyrot WARNING If the information in this manual is not... -
Page 2: Safety, Installation And Warranty Requirements
For information pertaining to in the combustion process, which are poisonous to venting and chimney requirements, inhabitants and destructive to Viessmann equipment. refer to the installation and operating instructions. All products of For a listing of chemicals which... -
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 Pyrot 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 Cleaning..............15... -
Page 5: Product Information
General Information Pyrot 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 the system operator/ultimate owner where the Literature applicable to all aspects of the Pyrot wood-fired literature can be found. Contact Viessmann for boiler: additional copies. - Installation and Operating Instructions - Service and Maintenance Instructions ... - Page 7 General Information Pyrot 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 Pyrot Service & Maintenance Safety Instructions Doors: for safety keep firing and ash pit 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 no representation regarding any brand or type of WARNING detector. -
Page 10: Extreme Weather Conditions
Safety Pyrot Service & Maintenance Extreme Weather Conditions Frozen water pipe hazard Your heating boiler is designed to provide a warm and If the building will be unattended for an extended period comfortable living environment. It is NOT designed to of time during cold weather, you should... -
Page 11: Hazardous Material
Safety Pyrot 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 Pyrot 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 Pyrot 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
8 Boiler door 2 Drive for moving grate 9 Heat exchanger 3 Moving grate qP Rotary combustion chamber (Viessmann-patented) 4 Drive for automatic de-ashing system (optional) qQ Safety heat exchanger for thermal safety flush valve 5 Igniter qW Frequency-controlled flue gas exhaust blower... -
Page 15: Cleaning
Maintenance Pyrot Service & Maintenance Cleaning Boiler Regular cleaning and maintenance of the boiler system is The heat exchanger, flue gas pipe, and chimney must be of the utmost importance to assure trouble-free operation cleaned regularly to remove accumulated creosote and ash. and to obtain the largest possible output at the best Ensure that the heat exchanger, flue gas pipe, and chimney efficiency. -
Page 16: Heat Exchanger Displacement Rods
Maintenance Pyrot Service & Maintenance Cleaning (continued) Heat exchanger displacement rods The displacement rods improve the heat transmission in the heat exchanger and reduce the temperature of the exhaust gas, thus improving the efficiency of the heating system. They have to be taken out to clean the heat exchanger and put back in after cleaning. -
Page 17: Flue Gas Cyclone (Optional)
Maintenance Pyrot 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. The cyclone is completely insulated and provided with a RISK OF INJURY: Shut the system off before starting total of three lids for cleaning. -
Page 18: 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 19: Shutdown
Maintenance Pyrot Service & Maintenance Shutdown Disposal of the boiler Boiler Heat exchanger: Switch off the Pyrot by pressing the F1 button. When the burn-out has taken place and the boiler When the Pyrot is not in operation for a long has cooled down, turn off the main switch. -
Page 20: Performance Problems
2 Compare opening angle on the reestablishes primary Fault rectified operating console its performance air vent 3 Check electrical connections 1 Clean grate vents of cinder Boiler Check that coatings re-establishes grate vents Fault rectified 2 Remove impurities its performance move smoothly Contact Viessmann... -
Page 21: Grate Drive Mechanics Jams
Troubleshooting Pyrot Service & Maintenance Grate Drive Mechanics Jams Grate drive mechanics are no longer running causing cinders to accumulate on the grate. Grate drive mechanics jammed Set the system to “Cleaning”, this Check electrical causes the grate drive motor to run triggering system continuously. -
Page 22: Checking For Increased Wear Of Fireclay
Troubleshooting Pyrot Service & Maintenance Checking for Increased Wear of Fireclay Increased fireclay wear can be observed in the substructure or in the curved bricking. Fireclay must only be replaced when: the curved bricking is broken downwards (not already in the event of formation of cracks or spalling) ... -
Page 23: Checking The Inside Of The Boiler Door
Troubleshooting Pyrot Service & Maintenance Checking the Inside of the Boiler Door Checking the inside of the boiler door can indicate whether the fibre glass seal is properly applied. If the seal is not properly applied, higher levels of CO gas can form. Checking the inside of the door can also indicate whether the guide tube is indicating increased wear. -
Page 24: Checking The Oxygen Control System
Troubleshooting Pyrot Service & Maintenance Checking Oxygen Control System A check of the oxygen control is carried out in case of incomplete combustion, dark smoke escaping the chimney or performance problems. oxygen Checking the control system Check that all electrical lines are Visual check of wiring permanently connected ... -
Page 25: Balancing The Oxygen Sensor
Troubleshooting Pyrot Service & Maintenance Balancing the Oxygen Sensor The oxygen sensor is subject to ageing which can be compensated by a oxygen sensor compensation. The oxygen sensor compensation is necessary if the residual oxygen to fresh air is <20%. CAUTION The oxygen sensor is constantly heated and is very hot. -
Page 26: Heating System Faults
- Acknowledge with OK gas pipe - Error in the electronics Permanent code - Operating hours - Permanent code has not been - Call Viessmann (red light at F3) lapsed before the entered permanent code has been entered Repeat heating up... -
Page 27: Loader System Faults
Troubleshooting Pyrot Service & Maintenance Loader System Faults Fault Text displayed Indicator Possible cause Check / remedy Material shortage - Light barrier in the - Silo is empty - Fill silo (red light at F4) metering container - Conveyance system is - Turn off main switch and - Light barriers for the clogged/jammed... - Page 28 Pyrot Service & Maintenance 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 1-800-288-0667 · Fax (401) 732-0590 1-800-387-7373 · Fax (519) 885-0887 www.viessmann-us.com ·...
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