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Part number 550-100-260/0520
126
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
Disconnect power
Electrical shock hazard — Disconnect all
electrical power to the boiler before attempting
maintenance procedures. Failure to complete
could result in severe personal injury, death or
substantial property damage.
Re-install boiler jacket door after
startup or servicing
Reinstall boiler jacket door after start-up or
servicing. The boiler jacket door must be securely
fastened to the boiler to prevent boiler from
drawing air from inside the boiler room. This is
particularly important if the boiler is located in
the same room as other appliances.
Inspect boiler jacket door gaskets on front of
cabinet. Gaskets must be in good condition, with
no tears or gaps. Replace if necessary.
Failure to keep the jacket door securely sealed and
fastened could result in severe personal injury or
death.
Start-up and check/out
Removing and reinstalling components can
change boiler behavior. After any maintenance
procedure, you must prove the boiler is operating
correctly. To do so, follow the complete procedure
for boiler and system start-up, beginning on
page 97. Failure to comply could result in severe
personal injury, death or substantial property
damage.
DO NOT SERVICE THE BOILER WITHOUT
A
ECO
Tec
MAINTENANCE KIT
AVAILABLE
The maintenance kit includes components that may have to be
replaced when accessing or disassembling parts of the boiler.
Failure to replace damaged components and to use only the
parts specifically intended for the boiler can result in severe
personal injury, death or substantial property damage.
See Figure 125, page 137 for part number.
Cleaning the heat exchanger
WATER SIDE, when required
1. Isolate the boiler from the heating system.
2. Inspect the heating system water. If there is evidence of
sediment or corrosion, the boiler must be isolated from
the system. The system must then be thoroughly cleaned
to remove all sediment.
3. Isolate the cause of the system corrosion and correct the
problem(s) before placing the boiler back in service.
Failure to comply could result in severe personal
injury, death or substantial property damage.
Maintenance
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