Networkable Dual Duct VAV Controller
Specification and Installation Instructions
www.neptronic.com
EVCBM
– Dual Duct
Page | 12
Reset to Factory Default Settings
This will erase all actual configurations and replace them with the factory default settings.
1. The Mode Selector
jumper (JP1) of the thermostat must be set to the “RUN” position (Operation Mode). Refer to Wiring on page 6.
2. During the power up sequence of the controller and thermostat (when the firmware versions are displayed), press and hold both the
and
keys.
3. The
“Enter Password”
screen appears. Enter
372
within 1 minute by using the arrow keys to increase or decrease the value and the
[
/
]
and
keys to toggle between the digits.
4. Use the arrow keys to select YES and then press
[
/
]
.
Menu 372
– Temperature Offset
1. This menu is accessible through normal operation mode. The Mode Selector jumper (JP1) of the thermostat must be set to the
“RUN” position (Operation Mode). Refer to Wiring on page 6.
2. Press the
[
/
]
and
keys simultaneously for 5 seconds. The
“Enter Password”
screen appears.
3. Enter the password within 1 minute by using the arrow keys to increase or decrease the value and the
[
/
]
and
keys
to toggle between the digits.
a. Password
372
= Temperature Offset Menu
4. If
you enter the wrong password, the thermostat
displays “
Eror
” and returns to Operation Mode. 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.
1.
“Intern Temp Sensor Offset”
Range:
Offset:
Increment:
10 to 40ºC
[50 to 104ºF]
Max ± 5ºC
0.1ºC
[0.2ºF]
Compare the displayed temperature reading with a known value from a thermometer. To offset or calibrate the sensor, use the
arrows key to set the desired temperature reading. This is useful for thermostats installed in areas where the temperature read is
s
lightly different than the room’s actual temperature. For example, a thermostat placed right under the air diffuser.
If the thermostat is set to use an external temperature sensor (
EtS
), the thermostat displays “OFF”.
2.
“Extern Temper Sensor Offset”
Range:
Offset:
Increment:
0 to 50ºC
[41 to 122ºF]
Max ± 5ºC
0.1ºC
[0.2ºF]
This option appears if you’ve set one of the analog inputs to
EtS
(External temperature sensor). When the thermostat is connected
to the appropriate analog input, the display shows the temperature read by the external temperature sensor. Adjust the offset by
comparing it with a known value (e.g. thermometer). If the sensor is not connected or short circuited, then the unit displays the
sensor's limit.
3.
“Input3 Reading”
Range:
250mV (0") to 4000mV (1")
Displays the voltage output value in mV of the pressure sensor.
4.
“Input3 Minimum Reading
Range:
Default:
10mV to 180mV
60mV
This setting represents the deadband of the pressure sensor in mV. For advanced users or special applications only. We
recommend that you use the default setting of 60mV.