Copyright
©
2020 Nortek Security & Control
25
24
Copyright
©
2020 Nortek Security & Control
Error Display
If any error occurs (hardware, software, Z-Wave, improper use), the thermostat would display the
Error Screen. While in Error Screen, no operation can be performed and all relays will be turn off.
After the issue has been resolved, the thermostat will return to Main Screen.
02
Err
HA R D WA R
Error Message
Error code
88
Err
PL E A SE
88
Err
RE M O VE
88
Err
BA T T E R Y
Error Code
Meaning
1
Climate Detector Fail
2
Storage Fail
3
Touch Button Fail
4
Both Battery and AC Power are applied to device
5
Firmware Corrupted
AC and Battery Both Applied
The thermostat will display
Error Screen
when both AC
power and Battery are applied.
“
PLEASE REMOVE BATTERY
” will scroll over the Display
Text Line. The
Low Battery Indicator
will be displayed.
The thermostat will return to the
Main Screen
once
either battery have been removed.
See
Battery Installation, page 10.
Figure 26.
Error Screen
Figure 27.
Battery Error Display
Specifications
Type
Programmable thermostat for:
24VAC 3H/2C non-heat pump or 24VAC 3H/2C heat pump systems
with humidifier/de-humidifier support.
Room Temperature Measurement
Temp . Scale:
Fahrenheit / Celsius (user selectable)
Temp . Range:
32 ~ 122°F (0 ~ 50°C) (Operating Temperature Limit)
Temp . Accuracy:
+/- 1°F (0.5°C)
Temperature Setpoint Range
Heat Set Point:
32 – 90 °F (0 – 32 °C)
Cool Set Point:
61 – 122 °F (16 – 50 °C)
Setting resolution:
1°F (0.5°C)
Fan Control
Auto/On
Output Relays
Latching type relay for all switching.
Seven Relays (C, RC, RH, W1, W2/O, Y1, Y2, G, W3, HUM+, HUM-)
Control Logic
Compressor short cycle protection:
5 - 9 minutes, user configurable
Minimum Run Time:
3 minutes (gas/electric heating), 4 minutes
(compressor operation)
Program
OFF, Heat, Cool, Auto, E-Heat
Power Supply
AC: 18-26VAC 60Hz (R and C)
4x AA size battery (6VDC)
Operating temperature
32 ~ 122°F (0 ~ 50°C)
Operating humidity
10 ~ 90%RH
Certification
FCC Part 15, Industry Canada, Z-Wave
