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Part number 550-100-027/0404
3
GAS-FIRED WATER BOILER SERIES 2 — User’s Information Manual
STOP!! — Read before proceeding
Boiler service and maintenance —
• To avoid electric shock, disconnect electrical supply before
performing maintenance.
• To avoid severe burns, allow boiler to cool before performing
maintenance.
• You must maintain the boiler as outlined in this manual and have the
boiler started up and serviced at least annually by a qualified
service technician
to ensure boiler/system reliability.
Boiler operation —
• Do not block flow of combustion or ventilation air to boiler. This
boiler is equipped with a control which will automatically shut down
the boiler should air or vent be blocked. If vent or air blockage is
easily accessible and removable, remove it. The boiler should attempt
to restart. If blockage is not obvious or cannot be removed, have the
boiler and system checked by a qualified service technician.
• Do not allow contaminated air to enter the boiler air inlet pipe. See
page 4 for details.
• Should overheating occur or gas supply fail to shut off, do not
turn off or disconnect electrical supply to boiler. 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.
Immediately call a qualified service technician to inspect the boiler
and to replace any part of the control system and any gas control, which
has been under water.
Boiler water —
• Have boiler water chemistry checked at least annually by a qualified
service technician.
• DO NOT use petroleum-based cleaning or sealing compounds in
boiler system. Gaskets and seals in the system may be damaged. This
can result in substantial property damage.
• DO NOT use "homemade cures" or "boiler patent medicines".
Serious damage to boiler, personnel and/or property may result.
• Continual fresh makeup water will reduce boiler life. Mineral build-
up in boiler heat exchanger reduces heat transfer, overheats the metal,
and causes heat exchanger failure. Addition of oxygen can cause internal
corrosion in system components. Leaks in boiler or piping must be
repaired at once to prevent makeup water.
• Do not add cold water to hot boiler. Thermal shock can cause boiler
heat exchanger to crack.
Failure to adhere to the guidelines on this page can result in severe
personal injury, death or substantial property damage.