Manual
2100-540D
Page
19 of 45
TABLE C
HEATING TAP SELECT SETTINGS BY MODEL
TABLE D
COOLING TAP SELECT SETTINGS BY MODEL
Note: Part Load Airflow for 2-stage A/C or HP systems is achieved when removing the factory installed jumper
wire on the Electronic Blower Control Interface Board that is (installed) between the thermostat connection
screws “Y2” and “Y1” dependent upon the tap selected. This allows for 2-stage A/C or HP systems to be installed
with this product. (See Figure 7 or the Wiring Diagrams.)
For 1-stage compressor systems requiring lower airflow than shown in Column A, remove “Y1-Y2” jumper to
achieve Column B airflow delivery.
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COLUMN A
COLUMN B
COLUMN C
