72
SET UP
SW IT CH
SW IT CH NAME
NORMAL
POSIT ION
DESCRIPT ION OF USE
SW1-1
Status Code Recovery
OFF
Turn ON to retrieve up to 7 stored status codes for
troubleshooting assistance when R thermostat lead is
disconnected.
SW1-2
Low Heat Only
(Adaptive Heat Mode
when SW1-2 is OFF)
OFF
When SW1-2 is OFF allows two-stage operation with a single
stage thermostat. Turn ON when using two- stage thermostat to
allow Low Heat operation when R to W/W1 closes and High Heat
operation when R to W/W1 and W2 close.
SW1-3
Low Heat Rise
Adjustment
OFF
Turn ON to increase Low Heat airflow by 18 percent. This
compensates for increased return air temperature caused with
bypass humidifier.
SW1-4
Comfort/Efficiency
Adjustment
ON
Turn ON to decrease low heat airflow by approximately 7 percent
and high heat by approximately 10 percent for maximum comfort
SW1-5
CFM per ton adjust
OFF
Turn ON for 400 CFM per ton, Turn OFF for 350 CFM per ton.
See also SW2.
SW1-6
Component Self Test
OFF
Turn ON to initiate Component Self Test for troubleshooting
assistance when R thermostat lead is disconnected. Turn OFF
when Self Test is completed.
SW1-7 & SW1-8
Blower OFF delay
ON or OFF
Blower Off Delay time – adjustable 90 seconds to 180 seconds.
See table in Adjustments section or refer to unit wiring diagram.
SW2-1
Twinning
OFF
Allows for selection of furnace Main (OFF) or Secondary (ON)
when Twinned furnace setup is required. See kit instructions for
further directions on installation and setup.
Allows additional CFM per ton selections when used with SW 1-5
325 CFM per ton (nominal) when SW 2-2 ON and SW 1-5 OFF
350 CFM per ton (nominal) when SW 2-2 OFF and SW 1-5 OFF
370 CFM per ton (nominal) when SW2-2 ON and SW 1-5 ON
400 CFM per ton (nominal) when SW 2-2 OFF and SW 1-5 ON
See Air Delivery Tables for model specific CFM vs. static
pressure
SW 2-6, 7, 8
AC (Cooling Airflow)
OFF
The AC setup switches select desired cooling or high stage
cooling (two stage units) airflow. See Cooling Air Delivery Tables
for specific switch settings.
The CF setup switches select desired Continuous Fan Airflow
The CF switch position is the low cooling airflow selection for two
stage cooling units.
The CFM values are shown in the Air Delivery Tables below for
SW 2 settings. SW 2-3, 4, 5 cannot be set for airflow higher than
SW 2-6, 7, 8. See Continuous Fan Air Flow Table for specific
switch settings.
CF (Continuous Fan)
Furnace Setup Switch Description
OFF
OFF
SW 2-3, 4, 5
SW2-2
CFM per ton Adjust
BASED ON 350 CFM/TON (Factory Default: SW1−5 = OFF, SW2−2 = OFF)
Model
Size
ON
ON
ON
ON
ON
ON
ON
ON
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
5
4
3
040-10
525
525
700
875
875
875
875
875
040-12
525
525
700
875
1050
1050
1050
1050
060-12
525
525
700
875
1050
1050
1050
1050
060-14
525
525
700
875
1050
1225
1225
1225
080-16
525
525
700
875
1050
1225
1400
1400
080-20
875
1225
1400
1750
1750
100-20
875
1050
1225
1400
1750
1750
120-22
875
875
1050
1225
1400
1750
1925
700
700
700
700
700
1050
A14400
Fig. 58 -- Furnace Setup Switch Description
59TP6A