Installation & Operation Manual
Please read before proceeding
Installer –
Read all instructions, including
this manual and the FTXL Service Manual,
before installing. Perform steps in the
order given.
User –
This manual is for use only by
a qualified heating installer/service
technician. Refer to the User’s Information
Manual for your reference.
Have this boiler serviced/inspected by
a qualifi ed service technician, at least
annually.
Failure to comply with the above could
result in severe personal injury, death or
substantial property damage.
Failure to adhere to the guidelines on this
page can result in severe personal injury,
death, or substantial property damage.
When servicing boiler –
• To avoid electric shock, disconnect electrical supply
before performing maintenance.
• To avoid severe burns, allow boiler to cool before
performing
maintenance.
Boiler operation –
• Do not block fl ow of combustion or ventilation air to
the boiler.
• Should overheating occur or gas supply fail to shut off,
do not turn off or disconnect electrical supply to
circulator. Instead, shut off the gas supply at a location
external to the appliance.
• Do not use this boiler if any part has been under water.
The possible damage to a fl ooded appliance can be
extensive and present numerous safety hazards. Any
appliance that has been under water must be replaced.
Boiler water –
• Thoroughly fl ush the system (without boiler connected)
to remove sediment. The high-effi ciency heat exchanger
can be damaged by build-up or corrosion due to sediment.
• Continual fresh make-up water will reduce boiler life.
Mineral buildup in the heat exchanger reduces heat
transfer, overheats the stainless steel heat exchanger,
and causes failure. Addition of oxygen carried in by
makeup water can cause internal corrosion in system
components. Leaks in boiler or piping must be repaired
at once to prevent makeup water.
Freeze protection fl uids –
• NEVER use automotive antifreeze. Use only inhibited
propylene glycol solutions, which are specifi cally
formulated for hydronic systems. Ethylene glycol is
toxic and can attack gaskets and seals used in hydronic
systems.
When calling or writing about the boiler
– Please have the boiler model and serial
number from the boiler rating plate.
Consider piping and installation when
determining boiler location.
Any claims for damage or shortage in
shipment must be fi led immediately
against the transportation company by the
consignee.
Factory warranty (shipped with unit) does
not apply to units improperly installed or
improperly operated.
3
If the information in this manual is not
followed exactly, a fi re or explosion may
result causing property damage, personal
injury or loss of life.
This appliance MUST NOT be installed in
any location where gasoline or fl ammable
vapors are likely to be present.
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 fi re department.
•
Installation and service must be
performed by a qualifi ed installer,
service agency, or the gas supplier.
WARNING
NOTICE
WARNING
WARNING
Do not use petroleum-based cleaning or
sealing compounds in the boiler system.
Gaskets and seals in the system may be
damaged. This can result in substantial
property damage.
CAUTION
CAUTION
Do not use “homemade cures” or “boiler
patent medicines”. Serious damage to the
boiler, personnel, and/or property may
result.
WARNING
DO NOT install units in rooms or
environments that contain corrosive
contaminants (see Table 1A on page 10).
Failure to comply could result in severe
personal injury, death, or substantial
property damage.
