© Caleffi 12027 iSolar_WMZ-G1.mon
us.ind
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5
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display
push button
can fuse T4A
cable conduits with strain
relief
cover
1.1 Mounting
The unit must only be located in dry interior locations. It is
not suitable for installation in hazardous locations and should
not be placed close to any electromagnetic fields. The device
must additionally be supplied from a double-pole switch with
contact gap of at least 3 mm / 0.12". Please pay attention to
separate routing of sensor cables and power supply cables.
Î
Unscrew the crosshead screw in the cover and remove
it from the housing.
Î
Mark the upper fastening point on the wall, drill the hole
and premount the enclosed wall plug and screw.
Î
Hang the housing at the upper fastening point and mark
the lower fastening point on the underground (hole
distance 130 mm / 5.1"), drill the holes and put in the
lower wall plug.
Î
Fasten the housing.
Î
Complete wiring connections in accordance with ter-
minal allocations.
Î
Put the cover on the housing and attach with the cross-
head screw.
1. Installation
1.2 Connections
The power supply of the device must be carried out via an
external power supply switch only (last step of installation!)
and the line voltage must be 24 V. Flexible lines have to be
attached to the housing by means of the enclosed strain
relief and screws.
The device is equipped with 1 relay to which a load can
be connected:
Relay 1
R1
= conductor R1
N
= neutral line N
12, 13, 14 = grounding
mains terminals
load terminals
sensor terminals
mounting
attachment
ground terminals
VBus terminals
T-
1
S1
L
N
R1
N
20
19
18
17
14
13
12
2 (1) A 24 V
T4A
Q-
1
GN
D
+5
V
T-
2
Q-
2
GN
D
+5
V
S2
Netz / Mains
24 V
VBus
9 10
fuse
ATTENTION! ESD damage!
Electrostatic discharge can lead to da-
mage to electronic components!
Î
Take care to discharge properly
before touching the inside of the
device!
WARNING!
Electric shock!
Opening the housing will expose
live parts!
Î
Switch off power supply and dis-
connect the device from mains
before opening the housing!
Note
The device must be grounded in order to func-
tion faultlessly.
Î
Ground the device properly.
