Weil-McLain Evergreen EVG 110, Manual

Page: 115 / 144

Maintenance
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 91 . Failure to
comply could result in severe personal injury,
death or substantial property damage.
DO NOT SERVICE THE BOILER
WITHOUT A
Evergreen
®
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 specifi cally intended for the boiler can result
in severe personal injury, death or substantial property
damage.
See Figure 110, page 127 for part number.
Oiled bearing circulators
1. Check circulators in the system. Oil any circulators requiring
oil, following circulator manufacturer’s instructions. Over-
oiling will damage the circulator.
Cleaning the heat exchanger WATER
SIDE, when required
1. Isolate the boiler from the heating system.
2. Obtain Sentinel X400 cleaner from Weil-McLain. Follow
instructions supplied with the cleaner to clean the boiler
heat exchanger.
Use ONLY the cleaning product available from
Weil-McLain, Sentinel X400. See the Repair Parts
section at the end of this manual for ordering
information.
Using other cleaning materials or methods could
cause permanent damage to the boiler heat
exchanger.
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.
Isolated 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.
Part number 550-100-191/0917
115
®
g
as-fired water boiler —
70/110/155
Boiler Manual