Vents TwinFresh Comfo SA-50 User Manual - page 10
10
The unit is rated for connection to single-phase ac 1~100-230 V / 50-60 Hz power mains. For wireworks facilitation, the unit is supplied
with a pre-wired power cord and a plug.
Connect the unit to power mains through the external automatic circuit breaker with magnetic trip integrated into the fixed wiring
system.
CONNECTION TO POwER MAINS
DISCONNECT THE UNIT FROM POwER MAINS PRIOR TO ANy OPERATIONS. CONNECT
THE UNIT TO A CORRECT INSTALLED AND GROUNDED SOCKET. THE RATED ELECTRICAL
PARAMETERS OF THE UNIT ARE SHOwN ON THE MANUFACTURING STICKER. ANy
INTERNAL CONNECTION MODIFICATIONS ARE NOT ALLOwED AND RESULT IN wARRANTy
LOSS.
Fig. 9. External connection diagram
L
G
D
+
N
L
N
G
D
+
L
G
D
+
N
L
1
2
3
L
G
D
+
N
L
N
G
D
+
L
G
D
+
N
L
1
2
3
Connection of external devices to the controller PCB
XS1
XS2
XS4
A1
XS3
First unit controller
(MASTER)
TB3
TB1
TB2
Power cable
CN7
TB1, TB2, TB3 - terminal blocks for connection
CN7 - contact socket
XP1 - power plug
XP1
1
2
3
4
5
6