SERVICE AND TECHNICAL SUPPORT MANUAL
Figure 5
Furnace Setup Switch Description
SETUP
SWITCH
SW11
RCL
1
LHT
2
SW12
LHR
3
C/E
4
SW13
CFM
5
TST
6
SW14
OFF
7
DLY
8
SW15
SW1
SW16
SW17 &
SW18
SW21
TWN
1
CFM
2
SW22
3
4
5
SW26, 7, 8
6
7
8
SW23, 4, 5
SW2
BASED ON 350 CFM/TON (Factory Default: SW1−5 = OFF, SW2−2 = OFF)
Model
Size
ON
5
4
3
5
040-10
525
040-12
525
060-12
525
060-14
525
080-16
525
080-20
700
100-20
700
120-22
875
440 04 4801 04
SWITCH
NORMAL
DESCRIPTION OF USE
NAME
POSITION
Status Code
Turn ON to retrieve up to 7 stored status codes for troubleshooting assistance when R
OFF
Recovery
thermostat lead is disconnected.
Low Heat
Only
When SW12 is OFF allows two-stage operation with a single stage thermostat. Turn
(Adaptive
OFF
ON when using two-stage thermostat to allow Low Heat operation when R to W/W1
Heat Mode
closes and High Heat operation when R to W/W1 and W2 close.
when SW12
is OFF)
Low Heat
Turn ON to increase Low Heat airflow by 18 percent. This compensates for increased
Rise
OFF
return air temperature caused with bypass humidifier.
Adjustment
Comfort/
Turn ON to decrease Low Heat airflow by approximately 7 percent and High Heat air
Efficiency
ON
flow by approximately 10 percent for maximum comfort.
Adjustment
CFM per ton
OFF
Turn ON for 400 CFM per ton, Turn OFF for 350 CFM per ton. See also SW2.
adjust
Component
Turn ON to initiate Component Self Test for troubleshooting assistance when R
OFF
Self Test
thermostat lead is disconnected. Turn OFF when Self Test is completed.
Blower OFF
Blower Off Delay time – adjustable 90 seconds to 180 seconds. See table in
ON or OFF
delay
Adjustments section or refer to unit wiring diagram.
Allows for selection of furnace Main (OFF) or Secondary (ON) when Twinned furnace
Twining
OFF
setup is required. See kit instructions for further directions on installation and setup.
Allows additional CFM per ton selections when used with SW15
325 CFM per ton (nominal) when SW22 ON and SW15 OFF
CFM per ton
350 CFM per ton (nominal) when SW22 OFF and SW15 OFF
OFF
Adjust
370 CFM per ton (nominal) when SW22 ON and SW15 ON
400 CFM per ton (nominal) when SW22 OFF and SW15 ON
See Air Delivery Tables for model specific CFM vs. static pressure
AC
The AC setup switches select desired cooling or high stage cooling (two-stage units)
(Cooling
OFF
airflow. See Cooling Air Delivery Tables for specific switch settings.
Airflow)
The CF setup switches select desired Continuous Fan Airflow
CF
The CF switch position is the low cooling airflow selection for two-stage cooling units.
OFF
(Continuous
The CFM values are shown in the Air Delivery Tables below for SW2 settings. SW23, 4,
Fan)
5 cannot be set for airflow higher than SW 26, 7, 8.
See Continuous Fan Air Flow Table for specific switch settings.
ON
ON
4
3
5
4
3
5
525
700
525
700
525
700
525
700
525
700
700
875
700
875
700
875
Specifications subject to change without notice.
ON
ON
4
3
5
4
3
5
875
875
875
1050
875
1050
875
1050
875
1050
1050
1225
1050
1225
1050
1225
Gas Furnace: (F/G)9MVE
ON
ON
4
3
5
4
3
5
875
875
1050
1050
1050
1050
1225
1225
1225
1400
1400
1750
1400
1750
1400
1750
ON
4
3
875
1050
1050
1225
1400
1750
1750
1925
13