1. Manuals
  2. Brands
  3. VDH Manuals
  4. Thermometer
  5. ALFANET 20
  6. User manual

VDH ALFANET 20 User Manual

Hide thumbs
1
2
3
4
Table of Contents

Advertisement

Quick Links

Download this manual
User Manual
ALFA 20 and
ALFANET 20
Thermometer
VDH doc: 070697
Software: ......_ALFA 10/20/30

* Function.

The ALFA(NET) 20 is a digital thermostat for panel mounting.
The ALFANET 20 has a RS 485 network connection so it can be read out and
adjusted on the Alfanet.

* Installation.

On the topside of the ALFA(NET) 20 is shown how the sensor, power supply and
network have to be connected.
After connecting the ALFA(NET) 20 to the power supply, a self-test function is
started. As this test is finished, the measured temperature appears in the display.
When the relay is activated, the led 'on' will light-up in the display.

* Control.

The ALFA(NET) 20 Thermostat can be controlled by three
hidden push buttons on the front.
These keys are:
SET
- view / change the setpoint.
DOWN - decrease the setpoint.
UP
- increase the setpoint.
Versie: v1.1
File: Do070697.wp8
1
Datum: 03-10-2008
Range: See Sticker

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ALFANET 20 and is the answer not in the manual?

Questions and answers

Related Manuals for VDH ALFANET 20

Summary of Contents for VDH ALFANET 20

  • Page 1 Range: See Sticker * Function. The ALFA(NET) 20 is a digital thermostat for panel mounting. The ALFANET 20 has a RS 485 network connection so it can be read out and adjusted on the Alfanet. * Installation. On the topside of the ALFA(NET) 20 is shown how the sensor, power supply and network have to be connected.
  • Page 2 * Viewing setpoint. By pushing the SET key the setpoint appears in the display. The led 'set' starts blinking. A few seconds after releasing the SET key the setpoint disappears and the measured temperature is shown in the display. * Changing setpoint. Push the SET key and the setpoint appears in the display.

  • Page 3: Error Messages

    - Reprogram the settings. * Technical details. Model : ALFA 20 Thermometer ALFANET 20 Thermometer with Network : -50/+50  C, readout per 1  C (or else see Sticker) Range Supply : 230Vac / 2,5VA 50/60Hz (or else see Sticker) Control : by hidden push buttons on the front.
  • Page 4 * Dimensions. * Connections. * Adresse. VDH Products BV Tel: +31 (0)50 - 30 28 900 Produktieweg 1 Fax: +31 (0)50 - 30 28 980 9301 ZS Roden Email: info@vdhproducts.nl Nederland Internet: www.vdhproducts.nl...

This manual is also suitable for:

Alfa 20

Table of Contents