INSTALLATION AND OPERATION INSTRUCTIONS
1-2
VFC 15-150, VFC 45-225 MODULATING GAS BOILERS
CODE REQUIREMENTS
The VFC 15-150 and VFC 45-225 boiler models were tested to and certified
under CSA 4.9-2014 / ANSI Z21.13-2014.
Installation must conform to local codes, or in the absence of these, with the
latest editions of CAN/CGA B149.1 and the Canadian Electrical Code Part 1 CSA
C22.2 No. 1.
In the US, installations must conform to the current National Fuel Gas Code
ANSI Z223.1 and the National Electrical Code ANSI/NFPA 70. Where required
by jurisdiction, installation must conform to the Standard for Controls and Safety
Devices for Automatically Fired Boilers, ANSI/ASME CSD-1. If there is any
conflict, then the more stringent requirement will apply.
LOCATION
VFC-series boilers are designed and approved for indoor installation (wall or rack
mounting), with significant flexibility of location provided with the available venting
options. The boiler can be placed in an alcove, basement, closet or utility room.
Surrounding ambient conditions shall be 0°C to 50°C
and less than 90% relative
humidity.
Install the boiler in areas where the combustion air source is not subject to
chemical fouling or agricultural vapours. Exposure to corrosive chemical
fumes such as chlorinated and/or fluorinated hydrocarbons can reduce
the life of a boiler.
Cleaners, bleaches, air fresheners, refrigerants, aerosol
propellants, dry-cleaning fluids, de-greasers and paint-removers all contain
vapours which can form corrosive acid compounds when burned in a gas flame.
Airborne chlorides such as those released with the use of laundry detergents
are also to be avoided. For this reason, the indoor air venting option using air
surrounding the boiler should not be used in a laundry room. Similarly, ensure
any direct vent air source is not adjacent to a clothes dryer exhaust terminal.
Avoid agricultural applications where the boiler and/or the intake air source
are affected by ammonia and/or dust.
Locate the boiler where water leakage will not result in damage to the area. If a
location such as this cannot be found, a suitable drain pan should be installed
under the appliance. The boiler is not to be installed above carpeting.
Boiler weight: 150 lbs / 68 kg without water. Use -
as a minimum
- 4 x #12 size
2" lag screws or 1/4" bolts (with metal mounting systems). Fasteners are to be
attached to solid material capable of supporting the combined weight of the boiler
and piping assembly components.
Other factors affecting potential mounting sites:
•
Ensure minimum clearance requirements for combustible materials
(see
Table 2)
are satisfied.
•
Minimum 24" clearance at the front and 10” above is recommended for
adequate servicing. Check local codes for additional access and service
clearance requirements.
•
At a new construction site, or during renovations, action must be taken
to protect the boiler from drywall dust or other construction related
contaminants; combustion air should be drawn from a CLEAN source
(e.g. outdoors) and the boiler should be isolated from interior dust
1.2
1.3
WARNING
Keep boiler area free and clear
of combustible materials,
gasoline, and other flammable
vapours and liquids.
WARNING
Combustion air must not be
drawn from areas containing
corrosive air from swimming
pools or spas, including air
directly next to outdoor pools
and spas.
WARNING
The boiler shall not be exposed
to water leaks from piping or
components located overhead.
This includes condensation
dropping from un-insulated
cold water lines overhead.
WARNING
Ensure the gas ignition
system components are
protected from water (dripping,
spraying, rain, etc.) during
appliance operation and when
servicing (pump replacement,
condensate trap servicing,
control replacement, etc.)
Summary of Contents for VFC 15-150
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