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11.0 BOILER START UP AND OPERATION
11.1 START UP PROCEDURE
•
Prior to start up make sure the service switch is in the OFF position.
•
Check all fittings and wiring.
•
Insure that the boiler and the entire heating system are completely filled with water and that
all air has been purged from the system resulting that proper system pressure is achieved.
The minimum PSIG is 12.
•
Check to insure that clean quality #2 heating oil has been used to fill your storage tank.
•
Open all manual shutoffs throughout the system.
•
Set operating controls to the recommended settings.
•
Follow the manufacturer’s instructions for proper light off and setting. Using accurate
combustion test equipment set the burner for proper “steady state” operation. The use of
accurate instruments is necessary to achieve maximum efficiency and lowest fuel costs.
•
Adjust the thermostat to manufacturer’s instruction
•
Place this manual, the control manual and the burner manual along with related consumer
information in an easily accessible location. Installers should make the consumer aware of
the content and location of this information.
11.2 Honeywell L7248 Aquastat
Adjusting Settings
To discourage unauthorized changing of Aquastat
settings, a procedure to enter the ADJUSTMENT
mode is required.
To enter the ADJUSTMENT mode, press the UP,
DOWN and I button simultaneously for three seconds.
Press the I button until the feature requiring
adjustment is displayed.
Then press the UP and/or DOWN buttons to move
the set point to the desired value. After 60 seconds
without any button inputs, the control will
automatically return to the RUN mode and lock the
setting.
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