N L L SL L FL L1 L2 N H
BL RD BK Y
RUN FAULT
Volt Free
Contacts
Rated 230v 5A
(for run indication
if required)
230v
Switched Live
Connection
(twinfan operates
when live, remove
link when used)
Volt Free
Contacts
Rated 230v 5A
(for fail indication
if required)
BL RD BK Y
N U V W
CONTROL MODULE IN FAN
Three phase QUIETWIN with MICROSAVE control
Link
Link
400v 3 phase supply
MT-AVI
connection *
NET
* MT-AVI - Audible / Visual Indicator
MICROSAVE USER CONTROL
Low voltage
Communications
Cable
N L L SL L FL L1 L2 N H
BL RD BK Y
RUN FAULT
Low voltage
Communications
Cable
Not used in this option
MT-AVI
connection *
BL RD BK Y
MICROSAVE USER CONTROL
CONTROL MODULE IN FAN
Single phase QUIETWIN with MICROSAVE control
Link
Link
230v 1 phase
supply
Connection
for speed
control
(Link must be
removed when
using a speed
control)
1 phase fans
only
NET
* MT-AVI - Audible / Visual Indicator
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)
8
Control Options
Twinfan Control ‘Option 1’ Microsave ‘M’ continued.
1 Phase Fan
3 Phase Fan
Installation and Maintenance
QUIETWIN QTR BELT DRIVE TWINFAN
