VIESSMANN VD2-VD2A Series Oil-Gas-Fired Commercial Boiler Instruction Manual

Operating Instructions and
User’s Information Manual
for use by heating contractor
Vitorond 200
VD2/VD2A Series
Oil- / Gas-fired boiler
Heating input: 490 to 4387 MBH
(144 to 1285 kW)

VD2-VD2A Series Oil-Gas-Fired Commercial Boiler

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 liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliances.
• Do not touch any electrical switches, do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.
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 gas/oil combustion.
Product may not be exactly as shown
IMPORTANT
Read and save these instructions for future reference.
Please file in Service Binder

Safety

Safety, Installation and Warranty Requirements

Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).

• Product documentation
  Read all applicable documentation before commencing installation. Store documentation near boiler in a readily accessible location for reference in the future by service personnel.
  ▶ For a listing of applicable literature, please see section entitled “Important Regulatory and Safety Requirements”.

• Licensed professional heating contractor The installation, adjustment, service and maintenance of this equipment must be performed by a licensed professional heating contractor.
  Please see section entitled “Important Regulatory and Installation Requirements”.

• Contaminated air Air contaminated by chemicals can cause by-products in the combustion process, which are poisonous to inhabitants and destructive to Viessmann equipment.
  ▶ For a listing of chemicals which cannot be stored in or near the boiler room, please see section entitled “Mechanical Room”. in this manual.

• Advice to owner
  ▶ Once the installation work is complete, the heating contractor must familiarize the system operator/ ultimate owner with all equipment, as well as safety precautions/requirements, shutdown procedure, and the need for professional service annually before the heating season begins.

• Warranty
  Information contained in this and related product documentation must be read and followed. Failure to do so renders the warranty null and void.

• Carbon monoxide
  Improper installation, adjustment, service and/or maintenance can cause flue products to flow into living space. Flue products contain poisonous carbon monoxide gas.
  ▶ For information pertaining to the proper installation, adjustment, service and maintenance of this equipment to avoid formation of carbon monoxide, please see section entitled “Combustion air supply” and “Venting information” in this manual.

• Fresh air
  This equipment requires fresh air for safe operation and must be installed ensuring provisions for adequate combustion and ventilation air exist.
  ▶ For information pertaining to the fresh air requirements of this product, please see subsection entitled “Mechanical Room” in this manual.

• Equipment venting
  Never operate boiler without an installed venting system. An improper venting system can cause carbon monoxide poisoning.
  ▶ For information pertaining to venting and chimney requirements, please see section entitled “Venting Information” in this manual. All products of combustion must be safely vented to the outdoors.

WARNING
Installers must follow local regulations with respect to installation of carbon monoxide detectors. Follow the Viessmann maintenance schedule of the boiler in the “Service Instructions” manual.

Important Regulatory and Safety Requirements

• 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.

• 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 oil or gas shut-off valve. Take precautions in all instances to avoid accidental activation of power during service work.

• Dangerous conditions
  – Deactivate main power immediately.
  – Close main gas or oil shut-off valve.

• Gas smell
  Follow the instructions on the front page of this manual.

• Flue gas smell
  – Deactivate heating equipment.
  – Open windows and doors.
  – Inform your heating contractor.
  CAUTION
  Incomplete combustion and poisonous gases result if the fresh air intakes in the mechanical room are closed. Never close these openings.

• Combustion air and ventilation air openings
  Ensure that combustion air openings and ventilation air openings in the mechanical room are open.

• Technical information
  Literature applicable to the Vitorond 200, VD2 / VD2A series boiler:
  – Installation Instructions
  – Service Instructions
  – Operating Instructions and User’s Information Manual
  – Installation codes mentioned in this manual
  IMPORTANT
  Keep all literature in a safe place at the installation site.
  Contact Viessmann for additional copies.

• Regular maintenance and service
  The entire heating system must be cleaned and serviced on a regular basis by a qualified heating contractor or service agency to ensure reliable, energy- efficient, and environmentally friendly operation.
  The build-up of soot on the heat exchanger raises the flue gas temperature and reduces efficiency.
  Indirect-fired domestic hot water storage tanks (if installed) must be serviced within two years (at most) of the installation date, and regularly thereafter (see Service Schedule starting on page 11).
  For an overview of scheduled service procedures, please see section entitled “Service Schedule” on page 11 of this manual.

WARNING
The boiler must not be located in areas or rooms where chemicals are stored, or aggressive vapors from (i.e. bleach, hair spray, methyl chloride, carbon tetrachloride or perchloroethylene) or high dust levels or humidity levels are present. Heat exchanger corrosion might occur and reduce the lifetime of the boiler significantly. If above criteria are not properly observed and boiler damage results, any warranty on the complete boiler and related components will be null and void.
IMPORTANT
Keep boiler and boiler room clear and free from combustible materials, gasoline and other flammable vapors and liquids. Do not obstruct the flow of combustion and ventilation air. All inspection, maintenance and service must be performed by a qualified heating contractor.
WARNING
Improper installation, adjustment, service, or maintenance can cause flue products to flow into living space. Flue products contain poisonous carbon monoxide gas which can cause nausea or asphyxiation resulting in severe personal injury or loss of life.
WARNING
As there are no user-serviceable parts on the boiler, burners or control, the end-user must not perform service activities of any kind on system components. Failure to heed this warning can cause property damage, severe personal injury, or loss of life.
CAUTION
Should overheating occur or the gas supply fail to shut off, do not disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the appliance.

For Your Safety

• Important to know
  Do not use this boiler if any part has been under or exposed to water.
  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 or exposed to water.

• Carbon monoxide
  The U.S. Consumer Product Safety Commission strongly recommends the installation of carbon monoxide detectors in buildings in which gas-burning equipment is installed.
  Carbon monoxide (CO) is a colorless, odorless gas, which may be produced during incomplete combustion of fuel and/or when the flame does not receive an adequate supply of combustion air. 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.g. ANSI/UL 2034-2002, CSA 6.19-01) should be installed and maintained in buildings that contain gas-burning equipment.

Note: Viessmann does not test any detectors and makes no representation regarding any brand or type of detector.
WARNING
This product burns gas to produce heat. The appliance must be properly installed, operated and maintained to avoid exposure to appreciable levels of carbon monoxide and the installer is required to confirm that at least one carbon monoxide alarm is installed in the living space before the appliance is put into operation. It is important for the cabon monoxide alarms to be installed, maintained, and replaced following the alarm manufacturer’s instructions and applicable local codes.

Frozen water pipe hazard
WARNING
Failure to protect against frozen pipes could result in burst water pipes, serious property damage and/or personal injury. 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 boiler remains off for an extended period of time during cold weather, water pipes may freeze and burst, resulting in extensive water damage and conditions in which mold could grow. 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.
If your home will be unattended for an extended period of time during cold weather, you should…

• 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.
  Or..

• Have someone check the building frequently during cold weather and call a qualified service agency if required.
  Or…

• Install a reliable remote temperature sensor that will notify somebody of freezing conditions within the home.

• 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 loss of life. Blocked or partially blocked chimneys must have the blockage removed by a qualified heating contractor.
  – Check pressure gage for correct system (water) pressure. 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.
  – Check for moisture, water, or appearance of rust on the flue gas pipes, their joints as well as vent dampers, or side wall vent terminals (if so equipped).
  – Ensure that nothing is obstructing the flow of combustion and ventilation air and no chemicals, garbage, gasoline, combustible materials, flammable vapors and liquids are stored (not even temporarily) in the vicinity of the boiler.
  – Do not allow unsupervised children near the boiler.

Service/inspection of the boiler and the system is recommended once a year.
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
Improper installation, adjustment, service, or maintenance can cause flue products to flow into living space. Flue products contain poisonous carbon monoxide gas which can cause nausea or asphyxiation resulting in severe personal injury or loss of life.
CAUTION
Should overheating occur or the gas supply fail to shut off, do not disconnect the electrical supply to the pump. Instead, shut off the gas supply at a location external to the appliance.
WARNING
The operator/ultimate owner is required to have the heating boiler, burners, and controls checked, as a minimum once per year, by the original installer or by a competent heating contractor familiar with the equipment. Defects must be corrected immediately.
CAUTION
Do not use this boiler if any part has been under water. 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.
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.
If you notice fire coming from the appliance, call the fire department immediately! Do not attempt to extinguish the fire unless qualified to do so.
WARNING
Fire causes a risk of burns and explosion!

• Shut down the boiler
• Close fuel shut-off valves
• Use a tested fire extinguisher, class ABC.

WARNING
Incorrect ambient conditions can lead to damage to the heating system and put safe operation at risk.
Installation area conditions

• Ensure ambient temperatures are higher than 32° F (0° C) and lower than 104° F (40° C).
• Prevent the air from becoming contaminated by halogenated hydrocarbons (e.g. as contained in paints solvents or cleaning fluids) and excessive dust (e.g. through grinding or polishing work).

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.

• Avoid continuously high levels of humidity (e.g. through frequent drying of laundry).
• Never close existing ventilation openings.

Replacement components, spare and wear parts
IMPORTANT
Components which are not tested with the heating system may damage the heating system, or affect its functions. Installation or replacement may only be carried out by a qualified heating contractor.
Sources of combustion and ventilation air contaminants Areas likely to contain contaminants:

• New building construction
• Swimming pools
• Remodelling areas, hobby rooms
• Garages with workshops
• Furniture refinishing areas
• Dry cleaning/laundry areas and establishments
• Auto body shops
• Refrigeration repair shops
• Metal fabrication plants
• Plastic manufacturing plants
• Photo processing plants
• Beauty salons

Products containing contaminants:

• Chlorine-type bleaches, detergents and cleaning solvents found in household laundry rooms
• Paint and varnish removers
• Hydrochloric acid, muriatic acid
• Chlorine-based swimming pool chemicals
• Spray cans containing chlorofluorocarbons
• Chlorinated waxes and cleaners
• Cements and glues
• Refrigerant leaks
• Calcium chloride used for thawing
• Sodium chloride used for water softening salt
• Permanent wave solutions
• Adhesives used to fasten building products and other similar items
• Antistatic fabric softeners used in clothes dryers

General Information

About These 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.
WARNING
Indicates an imminently hazardous situation which, if not avoided, could result in loss of life, serious injury or substantial product/property damage.
▶ Warnings draw your attention to the presence of potential hazards or important product information.
CAUTION
Indicates an imminently hazardous situation which, if not avoided, may result in minor injury or product/ property damage.
▶ Cautions draw your attention to the presence of potential hazards or important product information.
IMPORTANT
▶
▶ Helpful hints for installation, operation or maintenance which pertain to the product.
▶ This symbol indicates that additional, pertinent information is to be found.
▶ This symbol indicates that other instructions must be referenced.

Product Information

High efficiency with reduced emissions
With the Vitorond 200, VD2 / VD2A boiler you have purchased an oil-/gas-fired sectional cast iron boiler that features high efficiency and environmentally friendly operation.
The three-pass design of the boiler combustion chamber allows for low-emission combustion, while the uniform temperature distribution raises the operational reliability even further.

Operation

Fuel(s)
As a dual fuel boiler the Vitorond 200, VD2 /VD2A can be operated with either an oil or a gas burner.
Depending on the burner, use fuel type specified below.
Oil burner: Fuel oil #2
Gas burner: Natural gas and/or propane gas
For optimum operation
To ensure optimum operation of your heating system do the following:

• Keep the boiler and the boiler room clean and free of dust and dirt.
• Ensure proper and adequate system pressure by occasionally checking the pressure gage.
• Have a qualified heating contractor service and maintain your heating system on a regular basis. See Service Schedule starting on page 11 for details.

WARNING
The boiler must not be located in areas or rooms where chemicals are stored, or aggressive vapors from (i.e. bleach, hair spray, methyl chloride, carbon tetrachloride or perchloroethylene) or high dust levels or humidity levels are present. Heat exchanger corrosion might occur and reduce the lifetime of the boiler significantly. If above criteria are not properly observed and boiler damage results, any warranty on the complete boiler and related components will be null and void.
Operational faults
In the event of an apparent operational fault of the boiler, do the following:

• Refer to the operating instructions of the oil or gas burner (shipped with burner).
• Refer to the operating instructions of the boiler control (shipped with control unit).
• If unable to reset operation successfully, call your heating contractor.

Shutdown
Brief shutdowns
Operation with a Vitotronic control.

1. Leave power button of control ” ” in the ” I ” position; leave power supply to entire heating system activated.
2. Place operating program of control in the ” ” stand-by position (see Operating Instructions of boiler control).

IMPORTANT
The system remains powered with 120 VAC in this case.
Extended shutdowns

1. Close valve(s) in oil or gas fuel supply lines.
2. Deactivate all switches for the heating system (heating system pump(s), burner power supply, control power button ” ****”).
3. Deactivate power of circuit which supplies all heating system componentry with energy. If installed, use the disconnect switch located outside of the mechanical room.
4. Close all isolation valves.

If the system is shut down for an extended period of time (several months), have a qualified heating contractor restart and recondition the system. In this manner, the appropriate precautions, such as system freeze-up protection or heat exchanger maintenance can be taken.
CAUTION
Should overheating occur or the gas/oil supply fail to shut off, do not disconnect the electrical supply to the circulating pump. Instead, shut off the gas/oil supply at a location external to the appliance.
Initial start-up must be performed by a qualified heating contractor.
Prior to seasonal start-up
(also for start-up after extended shutdown)

1. Check cold fill pressure of heating system.
2. Ensure that combustion air openings and ventilation air openings in mechanical room are open.
3. Open valve in oil or gas fuel supply line.
4. Ensure proper operation of barometric draft regulator.
5. Ensure clean-out openings near flue gas collar are closed tightly.
6. Activate all switches for the heating system (system switch ” ****”, heating system pump, burner power supply, etc.)
   Observe the instructions by burner manufacturer.

Your heating system is now ready for operation.
Seasonal start-up

1. Check all gaskets and connections and retighten if necessary.
2. Check and retighten bolts of combustion chamber door and clean-out opening covers several days after start-up.

The boiler controls monitor the operation of your heating system in conjunction with installed system controls (if applicable) based upon indoor/outdoor control, setback programming and other settings. Please refer to the respective documentation of the boiler controls, or other system controls, to make adjustments.
IMPORTANT
Keep boiler and boiler room clear and free from combustible materials, gasoline and other flammable vapors and liquids. Do not obstruct the flow of combustion and ventilation air. All preceding inspection, maintenance, service and cleaning work must be performed by a qualified heating contractor or service agency.

Maintenance

The boiler must be cleaned at least once a year by a qualified heating contractor or service agency.
Refer to Vitorond 200 Service Instructions

Service and Maintenance

Service Schedule

The following is an overview of scheduled service steps. Where indicated have a qualified heating contractor or service agency perform the service work at the frequency shown.
Regular service work ensures reliable, energy-efficient, and environmentally friendly operation.

psig).
| Ensure proper operation of the boiler control.
| Inspect all seals; retighten or replace as necessary.
| Ensure an adequate supply of combustion air and ventilation air into and out of the mechanical room is being maintained.
Annually| Owner / Operator| | Ensure service work/test is conducted at least annually by qualified personnel, and that any deficiencies are corrected immediately.
Mechanical Contractor| | Test functionality of safety high limits.
| Test burner with burner accessories according to their corresponding maintenance checklist.
| Test and establish proper chemical makeup of system water.
| Check flue pipe condition, chimney connection and chimney itself.
| Check pressure relief valve and system pressure, and verify proper operation of automatic feed if installed.
| Check heating pipe joints, valves, air vents, etc. System leaks must be corrected immediately to avoid further defects.

The cause of defect must also be determined in order to avoid further problems.

| Check for proper combustion air supply and ventilation to boiler / mechanical room.
| Check for combustible materials or chemicals stored too close to the boiler. Test high limits by dialing lower settings, switching burner on/off to verify functioning of same. Test low water cut-off, check and verify proper function according to manufacturer’s instructions.
| When circulating pump is field-installed or existing, check requirements for maintenance or lubrication according to manufacturer’s specifications.
| Check for oil-tight fuel lines; clean or exchange fuel oil filters annually. Check and inspect oil tank.
| Check for gas-tight connection of gas piping, unions, gas valve and manifold.
| Check proper ignition on oil or gas burner operation.
| Combustion test must be performed by a qualified service technician.
| Ensure functionality of low water cut-offs, including flushing of float types (if used) during operation, based on supplier’s instructions.
| Inspect low- and/or high pressure gas switch (if used).
| Inspect main burner flame and follow burner manufacturer’s instruction manual for detailed service and maintenance guidelines. Manual shipped with burner.
| All boilers and the boiler room must be kept free of high dust levels, high humidity, aggressive vapors and/or chemicals containing chlorine.
| Ensure proper boiler room ventilation and combustion air is maintained.
| Valves, fittings and pipes not pressure tight must be repaired.
| Combustion chamber door, clean-out opening covers, glass fiber rope seals and flanges may need to be retightened and resealed.

Quick Reference

****Printed on environmentally friendly (recycled and recyclable) paper.
Technical information subject to change without notice.

Viessmann Manufacturing Company Inc.
750 McMurray Road
Waterloo, Ontario • N2V 2G5 • Canada
TechInfo Line 1-888-484-8643
1-800-387-7373 • Fax (519) 885-0887
www.viessmann.ca • info@viessmann.ca| Viessmann Manufacturing Company (U.S.) Inc.
45 Access Road
Warwick, Rhode Island • 02886 • USA
TechInfo Line 1-888-484-8643
1-800-288-0667 • Fax (401) 732-0590
www.viessmann-us.com • info@viessmann- us.com
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Documents / Resources

| VIESSMANN VD2-VD2A Series Oil-Gas-Fired Commercial Boiler [pdf] Instruction Manual
VD2-VD2A Series Oil-Gas-Fired Commercial Boiler, VD2-VD2A Series, Oil-Gas- Fired Commercial Boiler, Fired Commercial Boiler, Commercial Boiler, Boiler
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