10
6 Connection of timer
6.1 Timer per ventilator group
6.2. Several ventilator groups with 1 timer
1 switch contact is required for each direction of each ventilator group (OPEN/CLOSED)
The timer settings must be
programmed as pulse signals.
The ventilator switch will not
function properly with sustained
signal.
e.g.
timer
2 channel
(Müller SC28.21)
Timer and ventilator switch have mutual priority switching
Terminal block E260N
STO
P
GND
OPEN
CLOSE
Ventil. switch
2 3 4 5 6 7
1
LTA-230
1 2 3
5 6 7
N L1
4 8
Mains
230V AC
Channel A
Channel B
1 3 4 4 2
S
T
O
P
C
L
O
S
E
O
P
E
N
Ventil. switch
2 3 4 5 6 7
1
Terminal block E260N
Ventil. switch
2 3 4 5 6 7
1
Terminal block E260N
Ventil, switch
2 3 4 5 6 7
1
Group 4
Group 4
1 2 3
5 6 7
N L
4 8
Channel
Channel
e.g.
time
2 channel
OP
CL
L1
N
PE
230V AC
Terminal block E260N
1 3 4 4 2
S
T
O
P
C
L
O
S
E
O
P
E
N
1 3 4 4 2
S
T
O
P
C
L
O
S
E
O
P
E
N
1 3 4 4 2
S
T
O
P
C
L
O
S
E
O
P
E
N
118533-4 Connection Schema Emergency Power Supply System E260 N2/1 to N12/2-24V DC
