Dixell XRi31T 7W4B53 touchscreen thermostat with compressor and fan speed control
- Controller for cooling with defrost, fan and lighting/alarm control
- Frequency output for compressor speed control
- 0-10V analog voltage output for evaporator or condenser fan speed control
- Up to four NTC, PTC or PT1000 temperature input probes, 2 output programmable relays
- Up to two auxiliary digital inputs
- Configurable buzzer
- Full Touch touch control without buttons
- IP66 front panel protection
| Power supply | 230 Vac |
| Design (panel size) | 32 x 74 mm |
| Type of regulation | PI |
| Control input | Temperature sensor |
| Auxiliary digital input | Yes |
| Output - relay | 2x |
| Analog output | Yes |
| Display digit colour | White |
| Producer | Dixell |
The Dixell XRi31T, 32 x 74 mm, is a microprocessor controller suitable for medium and low temperature cooling applications. It provides compressor speed control via a frequency output and also offers the ability to control evaporator or condenser fan speed via a voltage analog output. It has 2 output relays to control compressor, fan, defrost (electric or hot gas) and light or alarm (configurable). The Dixell XRi31T can control Variable speed compressors. The control is based on a temperature probe and the output is a fixed frequency value, directly for the frequency converter connection.
It is supplied with up to four PTC, NTC or Pt1000 inputs - one for temperature control, the other for evaporator defrost and fan control on the evaporator. One of the two digital inputs can be used as a third temperature input. The fourth input can be used to set the condenser temperature alarm or to display the condenser temperature.
Optionally, it can include an RTC (Real Time Clock) that allows programming up to 6 defrost cycles, split between weekdays and days off. The "Day and Night" function allows two different desired temperatures to be set for energy saving. The serial interface allows the device to be connected to a ModBUS RTU network, such as the Dixell XWEB family of monitoring networks. The HOT Key interface allows quick and easy programming using the HOT Key or ProgToolKit.
The device is fully configurable with special parameters that can be easily entered using the touch control or ProgToolKit programming interface.
| TECHNICAL PARAMETERS | |
|---|---|
| Enclosure | front panel 38 × 80 mm, depth 81 mm |
| Mounting | in-panel, opening 71 × 29 mm |
| Front panel enclosure | IP66 |
| Power supply voltage | 110-230 Vac, 50/60Hz |
| Power input | 3 VA max |
| Display | 3-digit, white LED, multifunction icons |
| Inputs | up to 4 NTC (-40 to 110 °C) or PTC (-50 to 150 °C) Pt1000 (-100 to 150 °C) sensors |
| Additional inputs | 2x digital voltage-free adjustable contact |
| Output - relay | 1x switching relay 16A, 250 Vac 1x switching relay 8A, 250 Vac |
| Output - frequency output | output frequency 0-166Hz, 50% AC, max 12Vdc, max 2mA |
| Output - analog output | 0-10Vdc, max 5mA |
| Front panel protection | IP66 |
| Additional features | rS485 ModBus RTU serial communication |
| Step | 0.1 °C or 1 °C or 1 °F (adjustable) |
For more information on FullTouch technology, please visit https://fulltouch.info
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