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Operating instrutions
7.4
Selecting the operating level
You can change the operating level by pressing the button (< 3 sec.). You can select from
four levels in the constant characteristic operating mode (I - IV), four in the proportional
characteristic operating mode (1 - 4) and four in the constant pressure operating mode (A - D).
The level set is indicated by the number of illuminated green LEDs. The more LEDs that are
illuminated, the higher the set level. The following table shows which LED illuminates at
which level:
Constant level
I
LED 7
LED 6
X
LED 5
LED 4
LED 3
LED 2
LED 1
X
LED 7
LED 6
LED 5
LED 4
LED 3
LED 2
LED 1
7.5
Venting programme
Pressing and holding the button (8 - 13 sec.) starts a venting programme that lasts around
four and a half minutes. The four LEDs illuminate up and down as a chase, and the programme
goes through levels with varying speeds and duration. You can end the process prematurely
by pressing and holding the button again. The pump will then return to the previously selected
operating mode.
30
WITA Delta Maxi 80-XX
II
III
IV
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
(m)
7
D
6
IV
5
4
4
3
2
1
0
0
1
Proportional level
2
3
4
X
X
X
X
X
X
X
X
X
X
X
X
C
III
3
B
II
2
1
A
I
2
3
4
5
Constant pressure level
A
B
C
D
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3
6
7
8 Qm
/h
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