1User manual ALFA 30Thermometer.VDH doc. 931376 Version: v1.1 Date: 18-08-1995Software: ALFA 30 File: DO931376.WP8 Range: -50/+50°C per 1°C* Installation.On the topside of the ALFA 30 you can see how the sensor, power supply and relay has to beconnected.After connecting the ALFA 30 to the power supply, a self test function is started. As this test isfinished the measured temperature appears in the display.* Control.The ALFA 30 thermostat has for normal use no need for controls. Only for adjustment of thesensor the ALFA 30 has three hidden pushbuttons on the front. These key are:SET - view / change the setpoint.UP - increase the setpoint.DOWN - decrease the setpoint.These pushbuttons are placed at the following places at the front:SET - To the lower right of the display.UP - To the upper left of the display.DOWN - To the lower left of the display.

VDH ALFA 30 User Manual