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INSTALLATION INSTRUCTIONS
Boiler Direct
Vent Kit
Z-Flex DVO
Keep these instructions with the boiler at all times
for future reference
BOYERTOWN FURNACE CO.
PO Box 100
B
OYERTOWN, PA 19512
1-610-369-1450
www.boyertownfurnace.com
11-26-2012
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2
Be Aware of Hazard Definitions
Danger
Warnin
Caution
Notice
Denotes presence of a hazard which, if ignored, will result in severe personal injury,
death or property damage
Denotes presence of a hazard which, if ignored could result in severe personal injury,
death or substantial property damage.
Denotes the presence of a hazard, which if ignored, could result in minor personal
injury or property damage
Intended to bring attention to information, but not related to personal injury or property
damage.
Danger
This equipment must be installed, adjusted, serviced and started only by a qualified
service agency – an individual or agency, licensed and experienced with all codes and ordinances,
and who is responsible for the installation and adjustment of the equipment. The installation must
comply with all local codes and ordinances and with the latest revision of the National Fire
Protection Standard for Oil Burning Equipment, NFPA 31.
Read all instructions before proceeding. Follow all instructions completely. Failure to follow these
instructions could result in equipment malfunction causing severe personal injury, death or
Warnin
substantial property damage.
Do not alter this vent kit or the boiler in any way. The manufacturer will not be liable for any
damage resulting from changes made in the field to the boiler or its components or from improper
installation. Failure to comply could result in severe personal injury, death, or substantial property
damage.
Your oil fired boiler is designed to burn No. 1 and No. 2 heating oil only. Never use gasoline or a
mixture of gasoline and oil.
Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
The area around the boiler should be kept free and clear of combustible materials.
Never burn garbage or refuse in your boiler.
Never try to ignite oil by tossing burning papers or other material into your boiler.
Do not attempt to start the burner when excess oil has accumulated or the boiler is full of vapors.
Do not operate boiler if the heat exchanger is damaged.
Do not jumper, attempt to bypass or override any of the safety limit controls.
Do not use this boiler if any part has been under water. Immediately call a qualified service
technician to inspect the boiler and replace any part of the boiler, control system or burner that has
been under water.
All installations must conform to the requirements of the authority having jurisdiction. Such
applicable requirements take precedence over the general instructions of this manual.
Where required by the authority having jurisdiction, the installation must conform to the American
Society of Mechanical Engineers Safety Code for Controls and Safety Devices for Automatically
Fired Boilers, ANSI/ASME CSD-1.
Notice
Concealed Damage- If you discover damage to the burner, boiler or controls during
unpacking, notify the carrier at once and file the appropriate claim. When calling or writing about
the boiler please have the following information available: The boiler model number and serial
number.
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Installation Clearances
Boilers in rooms shall be installed with the clearances from combustible materials not
Warning
less than indicated below. Combustible materials are those made of or surfaced with wood,
compressed paper, plant fibers, plastics, or other material that will ignite and burn, whether flame
proofed or not, or whether plastered or not.
The boiler must not be installed on combustible flooring. The boiler is approved for installation on
non combustible flooring only. The boiler must not be installed on carpeting or vinyl flooring
Consult NFPA-31 for construction techniques where the above minimum clearances cannot be
obtained. Recommended clearances for servicing can be found in the boiler manual.
Minimum clearances to combustible construction are as follows:
TOP-24 IN.
FRONT-12 IN.
FLUE CONNECTOR DOUBLE WALL DIRECT VENT PIPING – 2”
REAR-2 IN.
SIDES-2 IN.
3
VENTING
Warning
Failure to follow all instructions can result in flue gas spillage and carbon monoxide
emissions, causing severe personal injury or death. All installations must meet the requirements of
NFPA 31. Use only the listed venting system components supplied with the packaged boiler. All
vent connections must be properly sealed with the high temperature sealant.
Caution
improper burner or boiler adjustment. We will not accept any liability for such
discoloration. Follow all instructions which are included with your specific direct vent kit.
Vent Location
1. The preferred location of venting system is on the opposite wall of the known prevailing winds.
2. The exit terminal of the system must conform to the following guidelines. See Figure 1.
External vent surfaces are hot. Surface discoloration of the building may occur due to
a. The vent terminal shall not be less than 3 feet above any forced air inlet to the house.
b. The vent terminal shall not be less than 4 feet below, 4 feet horizontally, or 1 foot above
any door, window or gravity inlet into the building.
c. The vent terminal shall be installed at least 1 foot above the finished grade. The vent
must be maintained to keep the location 1 foot above any solid surface including snow,
ice and landscape materials. The vent shall not be installed in a window well or any
other natural or fabricated depression.
d. The vent terminal shall not be less than 2 feet from an adjacent building.
e. The vent terminal shall not be less than 7 feet above grade when located adjacent to
public walkways.
f. The vent terminal shall not be located so that flue gasses are directed to jeopardize people
or overheat combustible structures, materials or enter buildings.
g. All joints in the vent system must be sealed with Permatex high temperature sealer or
equivalent to prevent the leakage of products of combustion into the building.