VDH ALFA 70-KLEP User Manual

User manual
ALFA 70-KLEP
Air valve control
VDH doc. 080594
Software: ALFA70-KLEP
* Installation.
On the upper side from the ALFA 70-KLEP is shown how the input, supply and relay should be
connected. A self test is startet as soon as the power supply is connected to ALFA 70-KLEP. After the
self test the normal operation will start.
* Control.
The ALFA 70-KLEP can be controlled by four push buttons on the front:
up - Raise the value
down - Lower the value
set - Read out and change the pause time
sec. - Read out the actual puls or pause time (Hidden key)
* Working description.
Only the active valves (see P01 till P03) are working together in the sequence 1-2-3-1-2-3 etc. (F.i.
if only valve 1 and valve 3 are active the sequence will be 1-3-1-3 etc. )
The first active valve always starts with the pulse time (adjustable with parameter P10), hereby the
corresponding dot will flash and the upper segment from the corresponding display will be on. After
the pulse time starts the pause time (can be read out with the SET key and changeable with UP and/or
DOWN key as long as the SET key is pushed.) The dot stays flashing while the lower segment from
the display is on. (See drawing below.)
From the not active valves the middle horizontal segment is on.
Version: v1.0
File: Do080594.WPD
1
Date: 24-04-2008
Range: 0-600 sec.