1
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
Version: v1.6
Date: 10-04-2012
Software: 050182_ALFANET 95 RTDF
File: Do041617.wpd
Range: -50,0/+50,0
/
C
* 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.
