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Safety information
⚠ Owner warning –
The information contained in this manual is intended for use
by qualified professional installers, service technicians, or gas
suppliers.
Consult and follow all local Building and
NOTICE
Fire Regulations and other Safety Codes that
apply to this installation. Consult local gas
utility company to authorize and inspect all
gas and flue connections.
A gas appliance that draws combustion air from the equipment
room where it is installed must have a supply of fresh air
circulating around it during burner operation for proper gas
combustion and proper venting.
Should overheating occur or the gas supply
⚠ WARNING
fail to shut off, do not turn off or disconnect
the electrical supply to the pump. Instead,
shut off the gas supply at a location external
to the appliance.
Boiler water –
• Thoroughly flush the system to remove debris.
an approved pre-commissioning cleaner (see Start-Up
Section), without the boiler connected, to clean the system
and remove sediment. The high-efficiency heat exchanger
can be damaged by build-up or corrosion due to sediment.
NOTE: Cleaners are designed for either new systems or
pre-existing systems. Choose accordingly.
Freeze protection fluids –
• NEVER use automotive antifreeze. Use only inhibited
propylene glycol solutions, which are specifically
formulated for hydronic systems. Ethylene glycol is
toxic and can attack gaskets and seals used in hydronic
systems.
Codes –
The equipment shall be installed in accordance with those
installation regulations in force in the local area where the
installation is to be made. These shall be carefully followed in all
cases. Authorities having jurisdiction shall be consulted before
installations are made. In the absence of such requirements, the
installation shall conform to the latest edition of the National
Fuel Gas Code, ANSI Z223.1. Where required by the authority
having jurisdiction, the installation must conform to American
Society of Mechanical Engineers Safety Code for Controls and
Safety Devices for Automatically Fired Boilers, ASME CSD-1.
All boilers conform to the latest edition of the ASME Boiler
and Pressure Vessel Code, Section IV. Where required by the
authority having jurisdiction, the installation must comply with
the Canadian Gas Association Code, CAN/CGA-B149.1 and/
or B149.2 and/or local codes. This appliance meets the safe
lighting performance criteria with the gas manifold and control
assembly provided, as specified in the ANSI standards for gas-
fired hot water boilers, ANSI Z21.13 and gas water heaters,
ANSI Z21.10.3.
4
To minimize the possibility of serious
⚠ WARNING
personal injury, fire or damage to your
unit, never violate the following safety
rules.
1. This unit is only for use with the type of gas indicated on the
rating plate.
2. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; 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
3. Boilers and water heaters are heat producing appliances. To
avoid damage or injury, do not store materials against the
appliance or the vent-air intake system. Use proper care
to avoid unnecessary contact (especially children) with the
appliance and vent-air intake components.
4. Never cover your unit, lean anything against it, store trash
Use
or debris near it, stand on it or in any way block the flow of
fresh air to your unit.
5. UNDER NO CIRCUMSTANCES MUST FLAMMABLE
MATERIALS SUCH AS GASOLINE OR PAINT THINNER
BE USED OR STORED IN THE VICINITY OF THIS
APPLIANCE, VENT-AIR INTAKE SYSTEM OR ANY
LOCATION FROM WHICH FUMES COULD REACH
THE APPLIANCE OR VENT-AIR INTAKE SYSTEM.
6. Appliance surfaces become hot during operation. Be careful
not to touch hot surfaces. Keep all adults, children, and
animals away from operation of the hot unit. Severe burns
can occur.
7. You must take adequate care to prevent scald injury when
storing water at elevated temperatures for domestic use.
8. This unit must have an adequate supply of fresh air during
operation for proper gas combustion and venting.
9. Make sure all exhaust venting is properly installed and
maintained. Improper venting of this unit could lead to
increased levels of carbon monoxide.
10. Do not use this boiler if any part has been under water.
Immediately call a qualified service technician to replace
the boiler. The possible damage to a flooded boiler can
be extensive and present numerous safety hazards. Any
appliance that has been under water must be replaced.
11. Do not alter this unit in any way. Any change to this unit or
its controls can be dangerous.
Installation & Service Manual
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