Instructions For Editing Control Settings - Heatmaster G Series Operation And Maintenance Manual

INSTRUCTIONS FOR EDITING CONTROL SETTINGS

To edit temperature, differential, timer and low
temperature cut off settings follow these instructions:
To access the programming press the down arrow
—
repeatedly until the programming screen appears .
Note: If the Low-Temperature Alarm is on, DO NOT
push the cold start button.
Use the up and down arrow keys to toggle between
—
settings screens .
To edit the settings on the screen press and hold the
—
"ESC" key until the first value is highlighted.
Use the up/down arrow keys to toggle to different
—
settings on the screen .
Press the OK button to adjust the highlighted setting.
—
Use the left/right arrows keys to navigate to the
—
appropriate character .
Use the up/down arrow keys to adjust the value of the
—
character. Note: The values are always in minutes or
degrees Fahrenheit .
Press the "OK" key to save your changes and adjust
—
other settings .
Press the "ESC" key to be able to toggle between
—
screens .
Press the "UP" arrow repeatedly to return to the run
—
screen .
The following screens will be available to edit:
Temperature Settings
The Set Temp Function controls how hot the water in
—
the water jacket is heated to.
The Differential controls how many degrees the water
—
will lose before the furnace turns on to heat the water.
Timer Settings
The Timer settings are designed to help keep the coal
—
bed alive in the firebox during periods of idle.
The On Delay controls how many minutes the furnace
—
will idle before turning the fan on.
On Time controls how many minutes the furnace will
—
burn for when the Timer function is activated.
Off Time controls how many minutes before the next
—
Timer function is activated .
Note: This only activates after the furnace completes a
burn cycle and brings the furnace up to temperature.
If the furnace is required to turn on because the water
temperature has fallen below the differential setting, the
Timer Settings will reset to the On Delay Timer.
Low Temperature Shut Down
There is a low-temperature function programmed into the
control to shut the furnace down if the water temperature
falls below the temperature set in the programming. This
is done to preserve the heat in the water if the furnace has
stopped burning.
G
SERIES
31