Wiring Diagrams
Wiring Diagrams
Tech Settings
Wiring Tips
C Terminal
The C (common wire) terminal does
not have to be connected when the
thermostat is powered by batteries.
Wire Specifications
Use shielded or non-shielded
18-22 gauge thermostat wire.
Installation Tip:
Do not overtighten terminal block screws, as this
can damage the terminal block. A damaged terminal block can
keep the thermostat from fitting on the subbase correctly or cause
system operation issues.
Max Torque = 6in-lbs.
Typical 2H/2C System: 1 Transformer
Typical 3H/2C or 2H/1C Heat Pump System
Power supply
Factory - installed jumper. Remove only when installing on 2 transformer systems.
Typical 2H/2C System: 2 Transformer
This thermostat has a technician setup menu for easy installer
configuration. To setup the thermostat for your particular application:
Swing Setting Tip
Temperature swing, sometimes called differential 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
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 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
Default
0FF
This feature will flash “FILT” in the
display after the elapsed run time
to remind the user to change the
filter. A setting of “OFF” will disable
this feature.
Filter Change
Reminder
You can adjust the filter 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 filter elapsed runtime.
F1
Next
Prev
Done
OFF
SE
Next
CAL
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. Configure the installer options as desired using the table below.
Tech Settings
Adjustment Options
Default
The swing setting often called “cycle
rate”, “differential” 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
off at approximately 0.5˚ above
the setpoint.
Heating
Swing
0.4
04
This feature allows you to set a
minimum cool setpoint value. The
setpoint temperature cannot be
lowered below this value.
Cooling
Setpoint
Limit
44
Use the and key to
select the minimum cool
setpoint.
This feature allows you to set a
maximum heat setpoint value. The
setpoint temperature cannot be
raised above this value.
Heating
Setpoint
Limit
90
Use the and key to
select the maximum heat
setpoint.
This feature will start heating early
to bring the building temperature
to its programmed setpoint by the
begining of the WAKE time period.
Morning
Recovery
ON
Tech Settings
LCD Will Show
RC
RH
Y
C
G
W2
Y2
COMPRESSOR
RELAY
FAN RELAY
HEAT RELAY
HEAT RELAY 2
COMPRESSOR
RELAY 2
C
R
L2
L1
(HOT)
RC
RH
Y
C
W/E
G
W2
Y2
COMPRESSOR
RELAY
FAN RELAY
HEAT RELAY
HEAT RELAY 2
COMPRESSOR
RELAY 2
C
R
L2
L1
(HOT)
C
R
L2
L1
(HOT)
Use either O or B terminals for changeover valve.
Optional 24 VAC common connection when thermostat is used in battery power mode.
W/E
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 off.
Selecting ON will not allow the
compressor to be turned on for
5 minutes after the last time
the compressor was switched
off. Select OFF to remove this
delay.
Compressor
Short Cycle
Delay
0N
Minimum
Compressor
On Time
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 everytime the compressor
turns on, regardless of the room
temperature.
You can select the minimum
compressor run time from “off”,
“3”, “4”, or “5” minutes. If 3, 4, or
5 is selected, the compressor will
run for at least the selected time
before turning off.
0FF
Next
OF
Prev
Done
Prev
Done
COdY
Next
Prev
Done
0.5
The swing setting often called
“cycle rate”, “differential” 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
off at approximately 0.5˚ below
the setpoint.
05
Next
Prev
Done
Next
Prev
Done
Use the and key to
turn ON or OFF.
MORN
Next
Prev
Done
Select F for Fahenheit temperature
read out or select C for Celsius
read out.
F for Fahrenheit
C for Celsius
F or C
F
FORC
Next
Prev
Done
If DEHUM relay requires a normally-energized input, set Dehumidify relay to NC in
Technician Setup.
RC
RH
Y
C
G
W/E
W2
Y2
COMPRESSOR
RELAY
AUXILIARY
HEAT
COMPRESSOR
RELAY 2
COOL CHANGE
OVER VALVE
HEAT CHANGE
OVER VALVE
O
B
L2
L1
(HOT)
C
R
EMERGENCY
HEAT RELAY
FAN RELAY
