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9 - START UP PROCEDURE
9.6 Deaeration Function
Note
Control performs the Deaeration function at initial
start and after a reset of a locking error and after
power up.
Before starting boiler deaeration function
must
be performed.
Rotate black cap on deaerator, located on the top of the boiler,
counter clockwise
to ensure aerator is open.
• When power is supplied to the boiler Deaeration function
starts.
• Display shows
17
(Deaeration) and water pressure
(Psi). See Figure 9-4.
•
Boiler pump will run on and off for up to 10 minutes.
This will purge air from the system.
• The burner will switch on for a few seconds to verify
increasing temperature on flow/return sensors.
• Boiler is ready to start in standard operation.
Repeat Deaeration function at least 3 times switching boiler on
off using
button.
AERATOR - LOCATED ON TOP OF BOILER
Pump OFF
Pump ON
FIGURE 9-3 AERATOR
FIGURE 9-4 Deaeration Function Display Readout
PN 240011662 Rev. H [04/30/2019]