VAV Thermostat Controller
Specification and Installation Instructions
www.neptronic.com
Page | 11
46.
“Control Dead Band CH Over”
Default:
Range:
Increment:
0.3ºC
[0.6ºF]
0 to 5.0ºC
[0 to 10ºF]
0.1ºC
[0.2ºF]
Select the desired dead band value of the changeover ramp. The cooling
and heating symbols are also displayed.
47.
“Control Dead Band 1 Heating”
Default:
Range:
Increment:
0.3ºC
[0.6ºF]
0 to 5.0ºC
[0 to 10ºF]
0.1ºC
[0.2ºF]
Select the desired dead band value of the heating ramp 1. The heating symbol is also displayed.
48.
“Control Dead Band 2 Heating”
Default:
Range:
Increment:
0.3ºC
[0.6ºF]
0 to 5.0ºC
[0 to 10ºF]
0.1ºC
[0.2ºF]
Select the desired dead band value of the heating ramp 2. The heating symbol is also displayed.
49.
“Control Dead Band 1 Cooling”
Default:
Range:
Increment:
0.3ºC
[0.6ºF]
0 to 5.0ºC
[0 to 10ºF]
0.1ºC
[0.2ºF]
Select the desired dead band value of the cooling ramp 1. The cooling
symbol is also displayed.
50.
“Control Dead Band 2 Cooling”
Default:
Range:
Increment:
0.3ºC
[0.6ºF]
0 to 5.0ºC
[0 to 10ºF]
0.1ºC
[0.2ºF]
Select the desired dead band value of the cooling ramp 2. The cooling
symbol is also displayed.
51.
“Cooling Anti Cycle Minutes”
Default:
Range:
Increment:
2 minutes
0 to 15 minutes
1 minute
To protect the compressor, set the delay in minutes before activating or reactivating the cooling contact.
52.
“Adjust Intgral Time in Seconds”
Default:
Range:
Increment:
0 seconds
0 to 250 seconds
5 seconds
Set the desired value for the integration factor compensation.
53.
“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.
Air Flow Program Mode (Operation Mode)
This menu is accessible through normal operation mode.
1.
The Mode Selector DIP switch (DS1) must be set to the “OFF” position (Operation Mode). Refer to Wiring on page 2.
2. Press the
and
keys for 5 seconds. The
“Enter Password”
screen appears.
3. Enter the password (
637
) within 1 minute. Use
the
and
arrow keys to increase or decrease the value and the
buttons to toggle between the digits. If
you enter the wrong password, the thermostat displays “
Eror
” and returns to Operation
Mode.
4. Use the same menu operations as described in Programming Mode on page 3.
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.
ºF / º C
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