VDH ALFANET 95 User Manual

User manual
ALFANET 95
Cool/Freeze thermostat with a temperature sensor,
two defrost sensors, a day/night digital input,
relays for defrost-1, defrost-2, fan, cool and alarm.
VDH doc. 041617
Software: 050182_ALFANET 95 RTDF
* Description.
The ALFANET 95 is a cooling/heating thermostat with various automatic defrost and fan control.
It can be programmed through the ALFANET PC-INTERFACE on the PC.
* Installation.
On the connection diagram of the ALFANET 95 is show how the sensor, the digital input, the RS485
network, the power supply and the relays should be connected. After the ALFANET 95 has been
connected to the power supply a self-test function will take place, after which the measured
temperature will appear in the display.
* Operation.
The ALFANET 95 thermostat can be operated by means of four pushbuttons on the front. These
pushbuttons are:
SET - view / change the setpoint.
UP - raise the setpoint.
DOWN - lower the setpoint.
/ C - hidden key under the / C text.
* Normal operation status.
During normal operation the temperature of the control sensor (Temp.) is shown in the display.
* Status of the Relays.
Press the / C key. The three lower segments light up and the
upper vertical segments show the status of the five relays
(see diagram). Relay is active when the segment lights up.
Version: v1.6
File: Do041617.wpd
1
Date: 10-04-2012
Range: -50,0/+50,0 / C