NVE20V
Field Operation and Control Device
LCD Group Control Panel
Description
NVE20V LCD group control panel is a field operation man-machine interface for DF series microcomputer fan coil unit controller. It has a two wire RS485 network communication capabilities, with up to 16 DFE controllers can be connected into a community network. Users can use NVE20V to control Fan Coil Unit devices by single or group, for example manual On/Off control, timer shutdown Off control, change air-conditioning mode, change fan speed, change temperature set point etc.
In addition NVC51V can monitor each device operation status, for example air-conditioning running status, fan speed status, present temperature status, fault and alarm condition etc.
Features
- Use 16 bit microprocessor, high precise operation.
- Use two-wire communication network, Easy for wiring.
- The large-scale LCD with the blue back light illumination is good for display temperature value, setting value, fan speed, air conditioning mode and abnormal state.
- Group or single operation of selectable air condition running mode (automatic, cooling, heating and fan) and selectable fan speed (automatic, high, normal and low speed) and energy conservation, comfort mode functions.
- Has group or single power off timer, may facilitate the overtime work situation.
- With a backup battery, it will keep data in memory for more than a year without power.
- Included self wakeup function (Watch Dog) when software is down.
- Key lock function to prevent unauthorized operation.
