Isolation - Before commencing work make sure
that the unit, and Nuaire control are
electrically isolated from the mains supply.
2.7 Wiring diagrams
Fig 7.
24V Wiring options.
CYFAN-C EXTRACT FANS
INSTALLATION AND MAINTENANCE
5
10. 05. 17. Leaflet Number 691500
SECTION 2.0
UNIT PREPARATION CONT.
24V
0
SL
N
L
Fuse 2A
(BS 1362)
Mains
230V
50Hz
3 Pole isolator
24V SELV Wiring (via remote switch)
N
L
Fuse 2A
(BS 1362)
Mains
230V
50Hz
2 Pole isolator
24V SELV Wiring (via pull-cord)
SL
N
L
24V
0
SL
N
L
24V
0
Transformer
Box
LINK REQUIRED Note: if not fitted
fan will run at full speed only
24V
0
SL
Fan unit
(Section 2 PCB)
Transformer
Box
Fan unit
(Section 2 PCB)
2 Pole switch
Fuse 2A
(BS 1362)
N
L
Mains
230V
50Hz
Wiring for two room installation (No Run-on)
Wiring for two room installation (Using Run-on)
Fan unit
N
L
N
L
Mains
230V
50Hz
Fan unit
SL
N
L
2 Pole isolator
3 Pole isolator
Fuse 2A
(BS 1362)
2
2 Pole
switch
2 Pole
switch
SL
N
L
Optional lamp
N
L
Mains
230V
50Hz
Fan unit
Unit serving bathroom (via remote switch)
N
L
Mains
230V
50Hz
Fan unit
Unit serving bathroom or kitchen (via pull-cord)
N
L
2 Pole isolator
3 Pole isolator
Fuse 2A
(BS 1362)
Fuse 2A
(BS 1362)
F
2 Pole switch
Fig 8.
230V Wiring options.
Fig 9.
230V Wiring options for two room
installation (Side spigot).