VDH Products ALFANET 75 User Manual
        |
1User manualALFANET 75Cool/Defr. Thermostatwith fan-control.VDH doc.002465 Version: v1.1 Date: 15-02-2005Software: ALFA(NET) 75 File: Do002465.WP8 Range: -50,0/+50,0C* Description.The ALFANET 75 is a cool/defrost thermostat with various defrost- and fan-control settings.And it is controllable on the PC thru the ALFANET PC-INTERFACE.* Installation.On the top side of the ALFANET 75 is shown how the sensor, power supply and relays has to beconnected.After connecting the ALFANET 75 to the power supply, a self test function is started. As this test isfinished the measured temperature of the temperature-sensor (control) appears in the display.* Control.The ALFANET 75 thermostat can be controlled by four push buttons on the front. These keys are:SET - view / change the setpoint.UP - increase value.DOWN - decrease value.C - hidden push button above SET key and behind C symbol.* View setpoint.By pushing the SET key the setpoint appears in the display. The decimal point of the last displaystarts blinking to indicate this. After a few seconds after releasing the SET key the setpointdisappears and the measured temperature is shown again.* Changing setpoint.Push the SET key and the setpoint appears in the display. Release the SET key. Now push theSET key again together with the UP or DOWN keys to change the setpoint. After a few secondsafter releasing the SET key the setpoint disappears and the measured temperature is shown again.* Status of the Relays.By pushing the hidden C key the display shows the status of the relays. Each display segmentshows the status of the relay output, showing 0= off and 1=on. The code 110 means relay 1(compr.)en relay 2(fan) are on and relay 3(defr.) is off. |
Related manuals for VDH Products ALFANET 55
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine