9
Installation instruction
LZ 1 - Natural ventilation control unit
2,5 A
LZ 1 - 2,5 A
- Natural ventilation control unit 24 V DC
M
24 V DC
M
24 V DC
Z A C1 Z A
Z A C3
C2
1 2
ON
OFF
N
L
PE
L
N
PE
230 V AC
50 Hz
1 1 2 2 3 3 4 5
LK3
BU
BN
BU BN
WH
optional bei S12
LK3
+ -
C
irCuit
D
iagram
02
!
BK = black
BN = brown
BU = blue
GN = green
RD = red
WH = white
P1
1.
Priority
e.g.
rain sensor
P3
3.
Priority
e.g.
ventilation
push button
P2
2.
Priority
e.g.
BMS
Parallel connection with
ventilation control unit
LZ
1
and
LZ
6
is possible
.
Max. cirrent consumption
alltogether:
2,5 A
Plug in of ventilation button, as well as
weather, time and tempreature controls
or singnals of building management system.
Secure power
supply separately!
BUS
OPEN
CLOSE
RD (red) GN (green)
Slot
Running direction
Operation
OPEN
CLOSE
DIP switch
1 2
Dead-man mode
ON ON
Locking function
(applies only to lowest priority)
The running direction of the drives has to be
conform with the indicated direction.
Otherwise exchange the leads:
BN (brown) and BU (blue)
OFF OFF
Terminal
CLOSE
CLOSE
CLOSE
OPEN
OPEN
OPEN
Output
: 24
V
DC,
500
mA
optional for S12
c
ircuit
Diagram
:
LZ 1 - 2,5 A
- (KNX)
- N
atural
veNtilatioN
coNtrol
uNit
24 v Dc
Only connect when disconnected from the mains
power supply! Switch off power supply and secure
against reconnection!
Only
24 V DC drives
may be connected.
