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9.1 Fill Condensate Trap with Water
WARNING
!
Asphyxiation hazard! Fill condensate trap before
starting boiler to avoid combustion products escaping
boiler. Failure to follow these instructions could result
in death or serious injury.
• To fill the condensate trap pour water into exhaust vent
until water begins to flow through the siphon.
• Visually inspect the siphon to ensure it is full with clean
water.
• During operation check the condensate trap to ensure it
draining properly.
Condensate trap must be manually filled with water
Note
at initial start up.
9.2 Commission Setup (Water)
To maintain boiler efficiency and prevent boiling
Note
inside the heat exchanger, flush entire heating
system until clean.
• Check distribution system to ensure it is sized and installed
correctly.
• Before filling, open all valves on the heating circuit in the
installation.
• 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
11. Purge air from boiler using air vent. Purge air from
system piping.
• Close air vent after all air is purged from both boiler and
system piping.
• Inspect system piping and boiler connections. Repair any
leaks immediately.
• Check water pressure gauge is between 14.7-22.1 psi
( 1-1.5 bar) when system water temperature is cold. If
pressure is lower turn water off. Turn water on and restart
the filling process very slowly to vent air. System must be
turned not read pressure from display.
• Boiler is equipped with hydraulic pressure switch which
prevents boiler from operating without water.
• Check there are no leaks from any water connections.
9 - START UP PROCEDURE
FIGURE 9-1 Condensate Drain Assembly
approximately
1 cup of water
into flue way of
boiler.
Condensate Drain
49
Pour
PN 240011654, Rev. J [01/31/2020]
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