Furnace Control Board - York TPLCC Installation Manual

ADJUSTMENT OF FAN CONTROL SETTINGS
Cooling - The airflow delivered by the furnace during cooling operation
can be adjusted to match the cooling capacity of the A/C condensing
unit. This is done by moving the COOL and ADJ jumper on the control
board to give the desired airflow.
The COOL jumper has four positions, which will deliver sufficient airflow
in cooling mode for the cooling capacities shown in Table 13.
the ADJ jumper has three positions which can be used to make further
adjustments to the cooling blower airflow.
Humidifier
Terminals
FIGURE 31: Furnace Control Board
Johnson Controls Unitary Products
Cooling Speed
Jumper
Low
Diagnostic
Voltage
Light
Terminals
Continuous Fan Operation - The airflow delivered by the furnace dur-
ing continuous fan operation can be adjusted as desired. This is done
my moving the control fan jumper on the control board to give the
desired airflow.
The jumper has three positions. The "H" position delivers maximum air-
flow, 100% of the blower capacity. Position "M" delivers approximately
70% of the blower capacity. And Position "L" delivers minimum airflow,
approximately 40% of the blower capacity.
EAC
Zoning
Terminals
Jumper
Last
Error Button
987158-UIM-B-1013
Heat Pump
Jumper
Humidistat
Jumper
Continuous
Fan Speed
Jumper
Test
Button
27