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Installation & Service Manual
Please read before proceeding
NOTICE
This is a gas appliance and should be
installed by a licensed electrician and/or
certified gas supplier. Service must be
performed by a qualified service installer,
service agency or the gas supplier.
ƽ WARNING
If the information in these instructions is
not followed exactly, a fire or explosion may
result causing property damage, personal
injury, or death.
This appliance MUST NOT be installed in
any location where gasoline or flammable
vapors are likely to be present, unless the
installation is such to eliminate the probable
ignition of gasoline or flammable vapors.
What to do if you smell gas –
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
near by 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.
Warranty –
Installation and service must be performed by a qualified
service installer, service agency or the gas supplier.
Factory warranty (shipped with unit) does not apply to units
improperly installed or improperly operated.
Experience has shown that improper installation or system
design, rather than faulty equipment, is the cause of most
operating problems.
1. Excessive water hardness causing a lime/scale build-up in
the copper tube is not the fault of the equipment and is
not covered under the manufacturer’s warranty (see
Water Treatment and Water Chemistry).
2. Excessive pitting and erosion on the inside of the copper
tube may be caused by too much water velocity through
the tubes and is not covered by the manufacturer’s
warranty (see Boiler Flow Rates and Temperature Rise for
flow requirements).
Checking equipment –
Upon receiving equipment, check for signs of shipping damage.
Pay particular attention to parts accompanying the appliances
which may show signs of being hit or otherwise being
mishandled. Verify total number of pieces shown on the
packing slip with those actually received. In case there is damage
or a shortage, immediately notify the carrier.
Do not use this appliance if any part has been under water.
The possible damage to a flooded appliance can be extensive
and present numerous safety hazards. Any appliance that has
been under water must be replaced.
ƽ WARNING
Improper installation, adjustment,
alteration, service or maintenance can result
in severe personal injury, death, or
substantial property damage. Refer to this
manual for assistance or additional
information, consult a qualified installer,
service agency or the gas supplier.
ƽ Owner warning –
NOTE: Retain this manual for future reference.
The information contained in this manual is intended for use by
qualified professional installers, service technicians, or gas
suppliers. Consult your local expert for proper installation or
service procedures.
IMPORTANT
Consult and follow all local Building and
Fire Regulations and other Safety Codes
that apply to this installation. Consult your
local gas utility company to authorize and
inspect all gas and flue connections.
Your conventionally vented gas appliance must have a supply of
fresh air circulating around it during burner operation for
proper gas combustion and proper venting.
ƽ WARNING
Should overheating occur or the gas supply
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.