Tech Settings
Tech Settings
You can configure this thermostat
to have 7 Days, 5+1+1 program-
ming or non programmable.
Program
Options
5d
Use the and key to se-
lect
7d
for 7 Day,
5d
for 5+1+1,
or
0d
for non programmable.
Tech Settings
Adjustment Options
Default
LCD Will Show
You can configure the thermostat to
operate a 3 stage heat pump system.
2H 2C = 2 heat, 2 cool
3H 2C = 3 heat, 2 cool
This feature only shows if Technician
Setup Step for HEAT PUMP is set
to ON.
Use the or key to
change between 2H and 3H.
2H will use Y1 as first stage
and W2 as auxiliary.
3H will use Y1 as first stage,
Y2 as second stage and W2 as
auxiliary.
Stages of
Heat
2H
The cooling fan delay setting will
delay the fan from coming on in
cool mode and keep running after
the compressor shuts off for a
short time to save energy in some
systems.
You can select the cooling fan
delay from “OFF”, “15”, “30”, “60”
or “90” seconds. If 15, 30, 60 or
90 is selected the fan will not
turn on for that many seconds
when there is a call for cool and
will run for that many seconds
after satisfying a call for cool.
Cooling
Fan Delay
OFF
Next Step
Prev Step
Next Step
Prev Step
You can select either a 12 or 24 hour
clock setting.
12 or 24
Hour Clock
12
Use the and to select 12
or 24 hour clock.
Select GAS for systems that control
the fan during a call for heat. Select
ELEC to have the thermostat control
the fan during a call for heat.
Fan
Operation
GAS
GAS - GS
or
ELEC - EL
CLOK
Next
Prev
Done
FAN
Next
Prev
Done
GA
PROG
Next
Prev
Done
5d
When turned on the thermostat will
operate a heat pump.
1. EM. Heat will show as an option in
the system switch.
2. Y will be first stage of heat & cool,
W/E will be emergency heat relay &
W2 will be axiliary heat relay.
Heat Pump
OFF
configures the thermostat
for non-heat pump systems.
ON
configures the thermostat
for heat pump systems.
HPUM
Next
Prev
Done
OF
Tech Settings
Adjustment Options
Default
LCD Will Show
For Dual Fuel applications (Gas/
Fossil fuel Auxiliary Heat), turn this
setting
ON
to
LOCKOUT
the Heat
Pump (Y) when Auxiliary Heat (W2)
is on. If desired - This can also be
used with Electric Auxiliary.
OFF
OFF
Will allow Y(1st stage of
Heat) and W2 (Aux Heat) to run
together if called for.
ON
Will de-energize Y terminal
45 seconds after a call for
Auxiliary Heat (W2).
You can configure the system switch
for the particular application:
Heat - Off - Cool, Heat - Off, Cool
- Off.
Note: EM. Heat will show if in heat
pump mode.
System
Switch
Heat
Off
Cool
SYST
Next
Prev
Done
GAUX
Next
Prev
Done
OF
Use the or key
until the desired application is
flashing.
Cool
Heat Off
HPUM
2H
FNdL
OF
OFF
This feature allows the installer
to change the callibration of the
ambient humidity displayed.
Humidity
Calibration
0
Use the and key to
adjust the calib/-3.
Each one unit of adjustment
amounts to approximately 5%.
This feature adds humidity when
system key is in HEAT.
Note: See terminal Options
on page 15.
Humidify
Use the and key to
turn on or off. If ON is selected
the humidity will be displayed
on the main screen and HUM
terminal will energize when
humidity setpoint is above
ambient humidity in Heat mode.
This feature removes humidity
when system key is in COOL.
Note: See terminal Options
on page 15.
Dehumidify
HUMd
Next
Prev
Done
dHUM
Next
Prev
Done
OF
HCAL
Next
Prev
Done
0
This feature forces the A/C to run
longer to remove humidity when
needed. The A/C will “over cool” the
room a few degrees until humidity
reaches the desired setpoint.
Dehumidify
with AC
dHAC
Next
Prev
Done
NO
OF
OFF
Use the and key to
turn on or off. If ON is selected
the humidity will be displayed
on the main screen and DUM
terminal will energize when
humidity setpoint is below
ambient humidity in Cool mode.
OFF
Use the and key to
select YES or NO.
If selected YES allows over
cooling to be used to control
humidity in Cool mode. If NO is
selected the system will not use
over cooling.
Setting the Humidity
Setting the Humidity
Setting Target Humidity Setpoint
Follow the steps below to change your target humidity setpoint.
Press the
HUMIDITY
key
Use the or key to select the target humidity setpoint.
Press
DONE
when completed.
Note:
The target humidity setpoint is not programmable. Unlike
temperature, humidity does not change quickly and should not
be programmed.
Humidity is only energized during heat. Dehumidify is only
energized during cool. Heat and Cool each have their own target
setpoints.
Setting Target Humidity Setpoint
Ambient humidity will flash in the time field when Humidify or De-Humidify is
set to
ON.
HON
will also flash when the Humidity terminal is energized.
dON
will also
flash when the De-Humidify terminal is energized.
HUMIDITY KEY
TARGET HUMIDITY
SETPOINT KEYS
DAY AND TIME
AMBIENT HUMIDITY
HON
(Humidity Energized)
dON
(De-Humidity Energized)
10:03
36
Humidity
%
Recommended Heating Settings:
Increasing Humidity
The table on the right shows recommended indoor humidity levels in relation
to outdoor temperatures during heating (adding humidity).
Consult your professional HVAC technician for recommended settings for
your climate.
Recommended Cooling Settings:
Outside
Temperature (0˚F
)
Recommended
Relative Humidity
+20˚ and above
35% to 40%
+10˚
30%
0˚
25%
-10˚
20%
-20˚
15%
Dual Fuel
Auxiliary
for Heat
Pump
Will only
appear if
Heat pump
setting is
turned ON.
SYSTEM
FAN
Humidity
SYSTEM
FAN
Humidity
