Advertisement
Quick Links
VDH doc. 053813
Software: ALFA(NET) 35 DP
* Function.
The ALFA(NET) 35 DP is a digital thermostat for panel mounting. The thermostat controls the cooling
and defrost. Defrost will be done by temporarily switching off the cooling (natural defrost). The defrost
starts on intervals or on compressor runtime. The defrost stops on time.
The ALFANET 35 has a RS 485 network connection so it can be read out and adjusted on the Alfanet.
* Installation.
On the topside op the ALFA(NET) 35 DP you can see how the sensor, power supply and relay have
to be connected.
After connecting the ALFA(NET) 35 DP 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) 35 DP thermostat can be controlled by three pushbuttons on the front. These keys are:
SET
- view / change the setpoint.
UP
- increase the setpoint.
DOWN
- decrease the setpoint.
* Viewing setpoint.
By pushing the SET key the setpoint appears in the display. 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. Release the SET key. Now push the SET
key again and together with the UP or DOWN keys the setpoint can be changed. A few seconds after
releasing the keys the measured temperature is show in the display.
* Starting/stopping defrost.
The defrost cycle is automatically started and stopped. Programming by the internal parameters. During
defrost the led 'defrost' will light-up.
If there is a defrost cycle, the defrost can be stopped by hand, pushing the UP key and then the SET
key, while the UP key is held.
If there is no defrost cycle, the defrost can be started by hand, pushing the UP key and then the SET
key, while the UP key is held.
User manual ALFA(NET) 35 DP
Cool/Defrost Thermostat.
Version: v1.3
File: Do053813.WPD
1
Date: 12-05-2006
Range: -10/+40C per 0,1C
Advertisement
Related Manuals for VDH ALFA 35 DP
Summary of Contents for VDH ALFA 35 DP
- Page 1 User manual ALFA(NET) 35 DP Cool/Defrost Thermostat. VDH doc. 053813 Version: v1.3 Date: 12-05-2006 Software: ALFA(NET) 35 DP File: Do053813.WPD Range: -10/+40C per 0,1C * Function. The ALFA(NET) 35 DP is a digital thermostat for panel mounting. The thermostat controls the cooling and defrost.
- Page 2 * Setting internal parameters. Next to the adjustment of the setpoint, some internal settings are possible like differential, sensor- offset, setpoint range and the defrost function. By pushing the DOWN key for more than 10 seconds, you enter the 'internal programming menu'. In the left display the upper and lower segments are blinking.
- Page 3 * Parameters ALFA(NET) 35 DP. PARA- DESCRIPTION PARAMETER RANGE STANDARD METER VALUE 1..15 C Switching differential -10..+40 C Minimum setpoint -10..+40 C Maximum setpoint -15..+15 C Offset temperature sensor Compressor start-up protection 0..3 0 = start-up delay in sec. 1 = start-up delay in min.
- Page 4 * Dimensions. * Connection diagram. If applicable * Address. 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 The Netherlands Internet: www.vdhproducts.nl...
Need help?
Do you have a question about the ALFA 35 DP and is the answer not in the manual?
Questions and answers