VDH ALFA 23 DP User Manual
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1User ManualALFA 23 DP andALFANET 23 DPMinimum / MaximumAlarm Thermostat.VDH doc: 072253 Version v1.1 Datum: 28-05-2008Software: ALFA 13/23/33DP File: Do072253.wpd Range: See product sticker pro 0,1C* Function.The ALFA(NET) 23 DP is a digital alarm thermostat for wall and panel mounting. The thermostatwatches the minimum and maximum temperature. The ALFA(NET) 23 DP has one relay for bothalarms. The ALFANET 23 DP has a RS 485 network connection so it can be read out and adjusted onthe Alfanet.* Installation.On the topside op the ALFA(NET) 23 DP is shown how the sensor, power supply and relay areconnected.A few seconds after connecting the ALFA(NET) 23 DP to the power supply, the measured temperatureappears in the display.The alarm relay is a multifunction combined minimum and maximum alarm, at alarm the led 'set high'will light-up in the display.* Control.The ALFA(NET) 23 DP alarm thermostat can be controlled by three push buttons on the front;SET - view / change set points and reset of alarm.UP - increase a set point.DOWN - decrease a set point. |
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