Alfa Laval AquaFirst
Installation, service and operating instruction
26
7.8
Fouling function
Fouling function can be activated when the sensor S3 is connected.
Accessing the fouling-menu requires login at Technician level.
If the temperature in S3 is too high for a long time this function activates an alarm that consider the heat
exchanger fooled.
Parameter
Factory Default
Setting
Optional setting
Description
Fouling alm activ
0
0/1
0=disabled / 1=enabled
Fouling_alarm
Normal/Default
Read only
SP_Fouling
65°C
60-80
Depends on the HE type and Primary
inlet temperature
7.9
230V Triac menu
Accessing the 230C Triac-menu requires login at Technician level.
This menu allows using a 230VAC Triac output.
Parameter
Factory Default
Setting
Optional setting
Description
Multi P
Off
Off / On
Enable or Disable the
230V output as per clock program
Pulse Duration
5 sec
1-3600
230V pulse duration in seconds
Bypass 0=Off
1= ON
N/A
N/A
N/A
DeltaT Bypass
N/A
N/A
N/A
The 230V electrical output can be configured as a pulse
function. For example it can be used to shortly activate an
electrical drain valve.
In this configuration, the pulse duration can be
programmed to be active a day, week or special day.
For example each Sunday at 10h00 for 5 seconds.
Connected device must not exceed 230VAC 1A.
Picture 20
