Installation Guide

Part number 550-100-066/0608
89
g a s -f i r e d w at e r b o i l e r — Boiler Manual
Maintenance
Disconnect power
Electrical shock hazard — Disconnect all electrical
power to the boiler before attempting maintenance
procedures. Failure to complete could result in se-
vere personal injury, death or substantial property
damage.
Install boiler jacket front door after
startup or servicing
Reinstall boiler jacket front door after start-up or
servicing. The boiler front 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. Gaskets must be
in good condition, with no tears or gaps. Replace if
necessary.
Failure to keep the door securely sealed and fastened
could result in severe personal injury or death.
Perform 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 70. Failure to
comply could result in severe personal injury, death
or substantial property damage.
General maintenance
Oil motor in system requiring regular oiling.1.
See Oiled bearing circulators for motor oiling proce-2.
dures.
Oiled bearing circulators
The circulator shipped with the Ultra boiler is water-1.
lubricated. No oiling is required.
Check other circulators in the system. Oil any circula-2.
tors requiring oil, following circulator manufacturer’s
instructions. Over-oiling will damage the circulator.
Cleaning the heat exchanger — pin
side
The boiler contains ceramic fiber materials.
Use care when handling these materials per
instructions on page 79 of this manual. Fail-
ure to comply could result in severe personal
injury.
Shut down boiler:1.
Follow “To Turn Off Gas to Appliance” instructions a.
on boiler and Lighting instructions.
Do not drain boiler unless it will be exposed to freez-b.
ing temperatures. If using freeze prevention uid in
system, do not drain.
Allow time for boiler to cool to room temperature if it 2.
has been firing.
Remove jacket front door by removing two knurled 3.
head screws at lower front. Lift door away from boiler
to remove.
Follow the applicable procedures under 4. “Accessing
& cleaning exchanger: Ultra-80 and Ultra-105 Only,”
page 90 or “Accessing & cleaning exchanger: Ultra-155,
-230, and -310 Only,” page 91.