ECR 075 97gb, Installation, Operation & Maintenance Manual

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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 12. Purge air from boiler using air vent. 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
• Disconnect collet clip from elbow. See figure 9-1.
•
Disconnect tubing below elbow.
• Pour about 1 cup (237ml) of water into condensate
drain.
• Reconnect tubing to elbow with collet clip. See Figure
9-1.
9 - START UP PROCEDURE
2. Reconnect collet clip to hose
barb before starting boiler.
NOTICE
Condensate trap must be manually filled with water
at initial start up.
1. Disconnect collet clip
from hose barb and fill
Condensate trap with
water.
9-1 Condensate Drain Assembly