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Field Selections
FIELD SELECTIONS & ADJUSTMENTS
FIELD SELECTIONS –– DIPSWITCHES
A dipswitch bank; SW1 is provided for some field adjustments.
Heating blower off delay, cooling (and heat-pump) blower off
delay, display (7-Segment) orientation and fault clear are the ad-
justments and functions that can be handled using the dip-
switches.
Seven-Segment Display Orientation; SW1
As the control will be applied in a multi-position furnace a means
of changing the orientation of the seven segment display is re-
quired. This dipswitch is to be labeled SW1. Factory setting of
the SW1 dipswitch is OFF. The factory setting display orientation
is with the control placed in a vertical orientation and the low volt-
age terminal block T2 is in the bottom position.
Heat Blower-Off Delay; SW2 & SW3
A means of controlling the HEAT speed blower “off” delay time is
provided. The dipswitches are labeled SW2 and SW3. The fol-
lowing table defines the settings:
SW2
SW3
OFF OFF 90 seconds
(Factory Setting)
ON OFF 120 seconds
OFF ON 160 seconds
ON ON 180 seconds
Cooling & Heat-Pump Heat Blower Off Delay; SW4
A means of controlling the COOL speed blower “off” delay time is
required. The dipswitch is labeled SW4. The following table de-
fines the settings:
SW4
OFF 30 seconds (Factory Setting)
ON 45 seconds
FIGURE 30
DIPSWITCH MAP
ST-A1210-03
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