Rooftop Thermostat Controller
Specification and Installation Instructions
www.neptronic.com
Page | 8
30.
“Display Temp Sensor”
Default:
Range:
OFF
OFF, t10.0 (external temperature sensor 10.0
K
Ω
at input #16
)
In operation mode (page 15), the thermostat can display the temperature from another sensor connected to input #16. This sensor
is for display purposes only and performs no control functions..
If you select OFF, input #16 is ignored.
If you select t10.0, the thermostat can display temperature sensor connected to input #16. Use a Type III 10k
Ω
temperature sensor.
31.
“Display Temp Mode”
Default:
Range:
No
Yes / No
If set to “No”, in operation mode (page 15) the thermost displays the time on the first line. If set to “Yes”, in operation mode (page
15) the thermostat displays the temperature from input #16 on the first line. Also refer to step 30 above.
32.
“Select DI Contact”
Default:
Range:
OFF
OFF, FILt, SEr, Airf
Select the input signal type for AI1 (analog input 1).
OFF: no signal
FILt: The input is used for a dirty filter contact. When activated, “Filter” and the
symbol are displayed. All control modes
continue to function.
SEr: The input is used to notify that service is required. When activated, “Service” and the
symbol are displayed. All
control modes continue to function.
Airf: The input is used to connect an air flow sensor. When activated, “Airflow” and the
symbol are displayed. All
outputs will be turned off until the issue is corrected.
33.
“Set DI Normal state”
Default:
Range:
NO (Normally Open)
NO (Normally Open), NC (Normally Close)
Seelct the desired normal state of input DI (input #13).
34.
“Enable Anti freeze Protect”
Default:
Range:
No (disabled)
No, Yes
If this option is enabled, heating starts automatically when the temperature drops to 4ºC [39ºF], even if the thermostat is in OFF
mode. Once the temperature reaches 5ºC [41ºF], the heating stops.
Schedule Mode
This menu is accessible through normal operation mode.
1. The Thermostat Mode selector jumper (JP2) must be set to "RUN" position (Operation Mode). Refer to PCB on page 2.
2. Press and hold the
button for 5 seconds, the
symbol appears to indicate that you’re in Scheduling Mode.
3. Use the
and
arrow keys to increase or decrease the values.
4. Press the
and
buttons to navigate through the program functions.
The thermostat will return to normal mode if you navigate through the entire menu and do not make any selection, or if you do not press
any key for 5 minutes. The changed values will be saved automatically.
