Neptronic TRO24T4XYZ1, Спецификация и инструкции по установке

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VAV Thermostat Controller
Specification and Installation Instructions
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Power Up
Upon power up, the LCD illuminates and all segments appear for 2 seconds. The thermostat then displays its current version for 2
seconds.
LCD Backlight
Pressing any key on the thermostat illuminates the LCD for 4 seconds.
Temperature
The thermostat always displays the temperature reading. If the sensor is disconnected or short circuited, then
“
OFF” and “
- - -
”
are
displayed. To toggle the temperature scale between ºC and ºF, press the key.
Setpoint
To display the setpoint, press the or key twice. The setpoint appears for 5 seconds. To adjust the setpoint, press the arrow
keys while the temperature is displayed. If the setpoint adjustment has been locked (Step 4 on page 4), the lock symbol appears.
Control Mode
To access the Control Mode, press the key. The Control Mode appears for 5 seconds. Press the key to scroll through
the following control modes. These options can vary depending on the options selected at Steps 6 and 7 on page 4.

Auto (Automatic Cooling or Heating)

Cooling only (on)

Heating only (on)

OFF
Night Setback(NSB)
This function is only available if you’ve set one of the analog inputs to
nSb (Night Setback contact) in Step 32, 33 or 34 on page 8.
If the NSB contact is triggered, the thermostat enters NSB Mode (the symbol appears) and uses the NSB setpoints defined in
Steps 38 and 39 on page 10. The user can press any key to override NSB for the delay defined at Step 37 on page 9. The
symbol flashes to indicate that the NSB mode is overridden (during this time the standard setpoints are used.
Air Flow
This function is only available if you’ve set one of the analog inputs to either
PrSd or PrSa (pressure sensor) in Step 32, 33 or 34 on
page 8. Press and hold the key for 5 seconds to display the airflow value.
ºF / º C