VELUX
®
27
21
LINK
21
LINK
21
LINK
J1
65432132132121
132
+–
2132132132541
LINK FACU
BATTERY
DET.21DET.21
NL
NL
PENL
230V
230V
ERROR-MOTOR 1
ERROR-MOTOR 2
ERROR-SMOKE DET.
ERROR-BREAK GLASS
RAIN SENSOR INPUT
ALARM ACTIVE
ERROR-TEMP. FUSE
MAINTENANCE
BATTERY
PSU2 OK
PSU1 OK
OPERATION
RESET
SETUP
RESET
73˚ C
TEMP. FUSE
TIME
AUTO CLOSE
TIME
OPENNIG
COMFORT
FRONT PANEL
BREAK GLASS POINTRAINRAIN IN COMFORTSMOKERAIN OUT ERRORALARM
FUSE: 25A
MOTOR 2MOTOR 1230V/50Hz
+–
24V
24V
1
ON
23456
Receive and transmit error indications from one control unit
KFC to another
Up to 10 control units can be connected.
In the connection shown below, error indications in one control unit will
be registered and shown in all control units. Indication of the specific
error can be seen on the printed circuit board of the control unit where
the error has occured.
Connected control units
Control unit 1 Control unit 2 Control unit 3