
Wiring Diagrams
Wiring Diagrams
78
11
Tech Settings
Typical 1H/1C System: 1Transformer
Typical 1H/1C System: 2Transformer
COMPRESSOR
RELAY
HEAT RELAY
FAN RELAY
Typical 1H/1C Heat Pump System
COMPRESSOR
RELAY
HEAT RELAY
FAN RELAY
RC
RH
Y
C
W
G
C
R
L2
L1(HOT)
RC
RH
Y
C
W
G
L2
L1
(HOT)
REMOVE JUMPER
L2
L1(HOT)
C
R
COMPRESSOR
RELAY
FAN RELAY
COOL CHANGE
OVER VALVE
HEAT CHANGE
OVER VALVE
OB
C
R
L2
L1(HOT)
RC
RH
Y
C
W
G
C
R
Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
Use either O or B terminals for changeover valve
Use a small piece of wire (not supplied) to connect W and Y terminals
Set fan operation setting to Electric
Optional 24 VAC common connection when thermostat is used in battery power mode
Typical Heat-Only System
Typical Heat Only System With Fan
Typical Cool-Only System
HEAT RELAY
RC
RH
Y
C
W
G
C
R
L2
L1(HOT)
FAN RELAY
HEAT RELAY
RC
RH
Y
C
W
G
C
R
L2
L1(HOT)
FAN RELAY
COMPRESSOR
RELAY
C
R
L2
L1(HOT)
RC
RH
Y
C
W
G
Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
Use either O or B terminals for changeover valve
Use a small piece of wire (not supplied) to connect W and Y terminals
Set fan operation setting to Electric
Optional 24 VAC common connection when thermostat is used in battery power mode
This thermostat has a technician setup menu for easy installer
conguration. To setup the thermostat for your particular application:
Swing Setting Tip
Temperature swing, sometimes called dierential or cycle rate, can be customized
for this individual application. For most applications choose a swing setting that is
as long as possible without making the occupants uncomfortable.
Technician Setup Menu
LCD Will Show
The compressor short cycle delay
protects the compressor from
short cycling.This feature will not
allow the compressor to be turned
on for 5 minutes after it was last
turned o.
Selecting “ON”will not allow
the compressor to be turned on
for 5 minutes after the last time
the compressor was switched
o. Select“OFF”to remove this
delay.
0
This feature allows the installer
to change the calibration of the
room temperature display. For
example, if the thermostat reads
70˚ degrees and you would like it
to read 72˚ then select +2.
Room
Temperature
Calibration
You can adjust the room
temperature display to read
4˚above or below the factory
calibrated reading.
Tech Settings Adjustment Options
Compressor
Short Cycle
Delay
Default
0N
Cd
0.5
The swing setting often called
“cycle rate”,“dierential”or“
anticipation”is adjustable. A
smaller swing setting will cause
more frequent cycles and a larger
swing setting will cause fewer
cycles.
Cooling
Swing
The cooling swing setting is
adjustable from 0.2˚ to 2˚. For
example: A swing setting of
0.5˚ will turn the cooling on at
approximately 0.5˚ above the
setpoint and turn the cooling
o at approximately 0.5˚ below
the setpoint.
05
0FF
This feature will ash“FILT”in the
display after the elapsed run time
to remind the user to change the
lter. A setting of“OFF”will disable
this feature.
Filter Change
Reminder
You can adjust the lter change
reminder from OFF to 2000
hours of runtime in 50 hour
increments.Tap the second
button from the top left side of
the thermostat to display the
current lter elapsed runtime.
F1
Next Step
Prev Step
100 SE
0
Next Step
Prev Step
CAL
Next Step
Prev Step
Next Step
Prev Step
Use the or keys to change settings and the NEXT STEP or
PREV STEP key to move from one step to another. Note: Only press
the DONE key when you want to exit the Technician Setup options.
1. Press the MENU button
2. Press and hold TECH SET button for 3 seconds. This 3 second
delay is designed so that homeowners do not accidentally access
the installer settings.
3. Congure the installer options as desired using the table below.
Tech Settings Adjustment Options Default
The swing setting often called“cycle
rate”, “dierential”or“anticipation”
is adjustable. A smaller swing
setting will cause more frequent
cycles and a larger swing setting
will cause fewer cycles.
The heating swing setting is
adjustable from 0.2˚ to 2˚. For
example: A swing setting of
0.5˚ will turn the heating on at
approximately 0.5˚ below the
setpoint and turn the heating
o at approximately 0.5˚ above
the setpoint.
Heating
Swing 0.4
04
Next Step
Prev Step
Tech Settings
dFHE
LCD Will Show
12
This feature allows the installer to
select the minimum run time for
the compressor. For example: A
setting of 4 will force the
compressor to run for at least 4
minutes every time the compres-
sor turns on, regardless of the
room temperature.
You can select the minimum
compressr run time from“o,
“3’,“4”, or“5”minutes. If 3,4,
or 5 is selected the compressor
will run for at least the selected
time before turning o.
Minimum
Compressor
On Time OFF
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