Copyright
©
2020 Nortek Security & Control
19
18
Copyright
©
2020 Nortek Security & Control
Thermostat Operation
Main Thermostat Screen
Figure 18.
Main Screen
Backlight and Button Operation
To conserve battery power, the thermostat backlight is normally set turn off after 20 seconds without
touching. If the backlight is off, the first button touch of any button will only turn on the backlight.
Once the backlight is on, the buttons function normally.
Display
Figure 19.
Display Screen System Operation Model
Staging Indicators
“1” = Stage 1 heating or cooling is ON
“2” = Stage 2 heating or cooling is ON
“3” = Stage 3 heating (Aux Heat) is ON
For Heat Pump systems only: “Heat-E” = Emergency heat mode active
Advanced System Settings Menu
(Continued)
Feature
Description
Range
Heat Stage 2 off
Threshold
Delta from Set point that stage 2 heating off
(This will be Aux Stage off Threshold, if Aux Heat
Enable & 2nd Stage Heat not Enable in Heat Pump
System).
32 - 46°F
(0 – 8 °C)
Heat Stage 3 on
Threshold
Delta from Set point that stage 3 heating start
(This will be Aux Stage on Threshold, if 2nd Stage
Heat Aux Heat Enable in Heat Pump System)
37 - 48°F
(3 – 9 °C)
Heat Stage 3 off
Threshold
Delta from Set point that stage 3 heating off
(This will be Aux Stage off Threshold, if 2nd Stage
Heat Aux Heat Enable in Heat Pump System)
32 - 48°F
(0 – 9 °C)
Cool Stage 1 on
Threshold
Delta from Set point that stage 1 cooling start
34 - 45°F
(1 – 7 °C)
Cool Stage 1 off
Threshold
Delta from Set point that stage 1 cooling off
32 - 45°F
(0 – 7 °C)
Cool Stage 2 on
Threshold
Delta from Set point that stage 2 cooling start
36 - 46°F
(2 – 8 °C)
Cool Stage 2 off
Threshold
Delta from Set point that stage 2 cooling off
32 - 46°F
(0 – 8 °C)
Restore Defaults
Restore all setting to defaults
Yes / No
TEMPERATURE SETPOINT
WARMER (Touch-Sensitive)
COOLER (Touch-Sensitive)
CURRENT SET POINT
ROOM TEMPERATURE
FAN MODE SELECTION
(Touch-Sensitive)
REL. HUMIDITY
FAHRENHEIT OR CELSIUS
HEATING / COOLING MODE SELECTION
(Touch-Sensitive)
BACKLIT DISPLAY
41
%
Cool
74
F
SET 70
2
Fan Auto
88
88 8
88 8 8 88 8
FAN MODE
FROST, TEST, ES MODE, TIME, SET POINT (SYSTEM MODE)
SCHEDULE
SYSTEM MODE
ROOM TEMPERATURE (˚C or ˚F)
LOW BATTERY
INDICATOR
PERMANENT HOLD
ACTIVE
ROOM HUMIDITY
ROOM TEMPERATURE (˚C)
FAHRENHEIT / CELSIUS
HUMIDIFYING
DEHUMIDIFYING
Z-WAVE NETWORK
INSTALLED INDICATOR
displayed > System is ON and heating
blinking > System is ON and heating. Minimum Run Time (MRT) delay is active
displayed > System is ON and cooling
blinking > System is ON and cooling. Minimum Run Time (MRT) delay is active
Note:
Degrees C (Celsius) are shown in .5 degree increments. Degrees F (Fahrenheit) are shown in
1 degree increments
