12
x
Technical data
ROTEX GCU compact -
61
12.6 Electrical connection diagram
J1
3-pin circuit board connector with pump ca-
ble mains)
J2
4-pin circuit board connector with valve ca-
ble
J3
6-pin circuit board connector (not occu-
pied)
J5
3-pin circuit board connector with pressure
sensor cable
J6
4-pin circuit board connector with clamped
mains cable and earthing slots
J7
2-pin circuit board with PWM signal cable
for external heating circulation pump
J8
12-pin circuit board connector to connect
sensors and control lines
J9
5-pin circuit board connector (not occu-
pied)
J10
3-pin circuit board connector with mains ca-
ble for automatic firing CM434
J11
5-pin circuit board connector with mains ca-
ble for automatic firing CM434
J12
4-pin circuit board connector:
GCU compact 3xx: Not assigned
GCU compact 5xx: Connection 3-way
change valve (3UVB1)
J13
4-pin circuit board connector for connecting
additional regulating system components
(CAN-Bus)
J14
3-pin circuit board connector for clamping a
circulation pump
J15
4-pin circuit board connector with switch
cable
J16
4-pin circuit board connector for connecting
a room thermostat (digital demand contact)
Mains supply 230 V, 50 Hz
Fig. 12-5 Wiring diagram ROTEX GCU compact
!"#$%
#&'(!
)*(+!'&+,(
-./(,)+0
/
&
/
1
222
3242
%
!1
%
!1
%
%
"!!!!%
#
))3!
))3!
#
"/
5%
222
/
( &
'6
( &
'
/
#
/
#
1.77
8
8
$9
6
6
( &'
%
!-):;.-/!<<
%
!-):;.-/!<<
?
