Carrier BWMAAN000050 - 9 Start up Procedure

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9.1 Fill boiler with water and purge air
• Fill boiler with potable water.
• Fill boiler and system piping with water (or antifreeze-
water solution, if used). See antifreeze information
page 11. Purge air from boiler using air vent. Purge
air from system piping.
• Inspect system piping and boiler connections. Repair
any leaks immediately.
9.2 Fill Condensate Trap with Water
• Disconnect collet clip from condensate hose barb. See
fi gure 9-1.
• Disconnect tubing below from hose barb.
• Pour approximately 2 cups (473 ml) of water into
condensate drain.
• Reconnect tubing to hose barb with collet clip. See
fi gure 9-1.
9 - START UP PROCEDURE
NOTICE
IMPORTANT: Condensate trap must be manually
fi lled with water at initial start up.
9-1 Condensate Drain Assembly
1. Disconnect collet clip from
hose barb and fi ll Condensate
trap with water.
2. Reconnect hose to hose
barb with collet clip before
starting boiler.