3
Installation and Maintenance
TWINFAN CONTROL
Three Phase Fans
(1ph power for
control unit
taken from Fan).
E N L R Y B
N L1 L2 L3
3ph 400V 50Hz supply
E N L L SL L FL L1 L2 N E H
BL RD BK Y
RUN FAULT
230V MAINS CONTROL
Link
Link
NET
CT-AVI
- Audible / Visual
Indicator
connection
QUIETWIN FAN Three phase
230V
Switched Live
Connection
(twinfan operates
when live, remove
link when used)
Volt Free Contacts
Rated 230V 5A
(for run indication
if required)
Volt Free Contacts
Rated 230V 5A
(for fail indication
if required)
L1 L2 N H
CONNECTION
BOX IN FAN
4 core
& Earth
Cable
230V power to control
from fan only requires
N & L to be connected
to N & R
E N L R Y B
N L1 L2 L3
400V 3 ph 50Hz supply
E N L L SL L FL L1 L2 N E H
BL RD BK Y
RUN FAULT
230V MAINS CONTROL
Link
Link
NET
CT-AVI
- Audible / Visual
Indicator
connection
QUIETWIN FAN Three phase
230V
Switched Live
Connection
(twinfan operates
when live, remove
link when used)
Volt Free Contacts
Rated 230V 5A
(for run indication
if required)
Volt Free Contacts
Rated 230V 5A
(for fail indication
if required)
L1 L2 N H
CONNECTION BOX IN FAN
4 core
& Earth
Cable
230V 1ph 50Hz supply
Three Phase fan units
(1ph power for control
taken from independent
source)
Note:
Installation must comply with
electrical regulations as detailed
on page 1
Figure 5.
Figure 6.
Details of alternative supply
wiring to Mains Control
IMPORTANT NOTE:
(BELT DRIVE TWINFANS)
A link plug is factory fitted to match this
Twinfan Control to single phase twinfans
When using the Twinfan Control with a
belt drive twinfan you must first remove
this link plug which is located on
the circuit board.
L FL L1 L2 N H BL RD BK Y RUN FAULT
FAN FAN UNIT ICP RR RF
LIVE
Remove this plug to allow
control of belt drive fans
