Configuring Unit Size Code
Power−Up − Number displayed represents by integrated control unit size code (furnace model and capacity). If three horizontal bars are displayed followed by continuous E203, furnace control does not recognize unit size code. Configure per the following:
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| Furnace control in IDLE mode |
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| No |
Yes |
| No heating, cooling or indoor fan | ||
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To enter | Field | Test |
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Mode: push and hold |
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button | next | to | _ | |
7−segment LED display | ||||
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until solid dash symbol |
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appears. | Release |
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button. |
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If alarm | is | present, |
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furnace | control will | _ | ||||
display | error | code. | If | |||
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alarm is not present solid |
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dash | starts blinking on |
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7−segment LED display. |
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Push and hold button until the solid | P |
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symbol is displayed on the 7−segment | P | |||||
LED. Release button. This mode allows | ||||||
the user to select a unit size code number |
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that matches the furnace model size and |
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capacity. |
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IMPORTANT: Field replacement controls may need to be manually configured to validate furnace unit size code.
Solid P starts
blinking on P 7−Segment LED
Push and hold button. Integrated control will display unit size code number for each furnace model for five seconds.
Turn room thermostat to OFF
UNIT SIZE |
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CODE | FURNACE MODEL |
H | SLP98DFV−070−36B |
J | SLP98DFV−090−36C |
L | SLP98DFV−090−48C |
n | SLP98DFV−090−60C |
o | SLP98DFV−110−60C |
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When the correct unit size code is displayed, release button. Selected code will flash for 10−second period. During that period, hold push button until code stops blinking (disappear for 2 seconds). Integrated control will store code in memory and will automatically exit Field Test Mode and reset. (If second period expires or push button is held less than five seconds, control will automatically exit Field Test Mode and go into IDLE mode without storing unit size code. If this happens, programming function must be repeated).
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Verify that the selected unit size code is correct | − |
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and stored in non−volatile memory by cycling |
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the 24 volt power to the furnace control. (At 24 |
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volt power−up of the furnace control, the |
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7−segment LED will display a unit size code. If |
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three horizontal bars display, board does not |
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recognize unit size code. Programming |
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function must be repeated) |
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FINISHED
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