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Installation and Maintenance
Control Applications
NuAire QTI Twinfans
Single Phase application.
Twinfan
control
Figure 3.
Control Applications
Figure 4.
Single Phase
Quietwin units
wiring diagram
2
4 core & earth
230V cable connection
to fan
Single Phase 230V
Mains Supply into
Control
230V
Switched Live
Connection
(twinfan operates
when live, remove
link when used)
Connection
for speed
control
(Link must be
230V 1 phase
removed when
using a speed
supply
control)
1 phase fans
only
Link
Link
N
L
L
SL
L
FL
L1
L2
230v MAINS CONTROL
TWINFAN CONTROL
NuAire QTE & QTR Twinfans
Single Phase application
Three Phase application.
Mains controller
BELT DRIVE
QUIETWIN FAN Single phase
CONNECTION BOX IN FAN
4 core
& Earth
Cable
Volt Free
Contacts
Rated 230V 5A
(for run indication
if required)
Volt Free
Contacts
Rated 230V 5A
(for fail indication
if required)
CT-AVI
- Audible / Visual
Indicator
connection
NET
RUN
FAULT
N
H
BL RD BK
Y
Four core & earth
230v cable connection
required to fan.
Single Phase
230V Mains supply
to Control
Mains controller
Four core & earth
230V cable connection
required to control
230V 1 phase
Mains Supply
to Control
NOTE:
supply to fan is via the control
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