36
9.1
Fill Boiler With Water And Purge Air
NOTICE
To maintain boiler efficiency and prevent boiling
inside the heat exchanger, flush entire heating
system until clean.
•
Flush heating system, including all heating zones.
•
Fill boiler with potable water.
•
Fill boiler and system piping with water (or
antifreeze-water solution, if used). See antifreeze
information page 13. Purge air from boiler using
safety relief valve. Purge air from system piping.
•
Inspect system piping and boiler connections.
Repair any leaks immediately.
•
Activate all heating zones and calls for heat,
including CH calls and DHW calls (if available).
•
Close manual gas shut off valve. Let system run for
30 minutes. When boiler goes into lockout, reset
boiler by pressing "Reset" button until boiler resets.
•
Do not open gas shutoff valve until all air is purged
from system.
9.2
Fill Condensate Trap with Water
• Remove spring tension clip from clear hose attached to
barbed fitting at bottom of boiler chassis. See figure
9-1.
•
Disconnect hose from barbed fitting.
•
Remove barbed fitting from boiler.
•
Attach supplied condensate trap to barbed fitting using
pipe tape.
•
Fill trap through fitting with approximately 2 cup
(473
ml)
water.
•
Place barbed fitting back through bottom of chassis.
•
Reassemble clear tube to barbed fitting.
•
Secure tube to barbed fitting with spring tension clip.
See figure 9-1.
FIGURE 9-1 Condensate Drain Assembly
NOTICE
IMPORTANT: Condensate trap must be manually
filled with water at initial start up.
9 - START UP PROCEDURE
Condensate
Collector
Remove Spring
Tension Clip
Remove Hose
Barb
Attach Supplied
Condensate Trap
to Hose Barb
Secure Hose onto
Hose Barb with
Spring Tension
Clip
PN 240011342 Rev. E [05/31/2018]
