Smart ‘S’
TWINFAN CONTROL
Installation and Maintenance
4
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5 6 7 8
ON
OFF
30% TRICKLE SPEED
40% TRICKLE SPEED
50% TRICKLE SPEED
NO TRICKLE SPEED
AIRFLOW DIRECTION
BOX FITTED
Smart Twinfan DIL switch settings
(see fig 2).
The Smart Twins operation can be individually tailored to suit
your own particular application.
A label is attached to the inside of the control module cover
detailing the various switch functions.
Refer also to switch settings shown opposite.
DEFAULT MODE:
The fan runs in trickle mode until the toilet is occupied
Switch 1 & Switch 2 ..........Trickle mode and rate
Switch 3 .............................2 way Damper Box fitted
ON = Damper Box fitted (split duty system)
OFF = No Damper Box fitted
Adding Sensors & Controls
Refer to page 2 of this leaflet for a list of sensors and user
controls which are available for use with the Smart controlled
Quietwin fans.
Sensors and user controls etc are supplied complete with specif-
ic installation details.
Additional general sales information on these optional ancillaries
is shown in the NuAire ‘TWINFANS’ Sales / Technical
brochure (Leaflet No 670808) available on request from the
NuAire Technical Library Tel: 01222 858231.
QTE & QTR external use Quietwins
with SMART ‘S’ control option.
The essential control difference with these fans is that they
have the main control module inside the fan case.
A small commissioning box is provided on the outside of
the case which contains the essential commissioning control
buttons i.e. The ‘STEP’ button and the run on and speed
adjustment controls. Figure 5 shows a typical QTR
Quietwin and the details of the customers commissioning
box.
Commissioning procedure is the same as that shown on
page 3 for the internal use units.
Mains Supply
Mains Supply
and Sensor(s) to
Control Module
inside fan.
Commissioning
box on outside
of case ('S' control
external use unit only).
P.I.R. Sensor
Fig. 5. Exterior commissioning control box panel.
Step button
Fan 1
Fan 2
OFF
AUTO
Speed
Run on
Step Button
manually
steps through
functions
These controls
located inside
commissioning box
(External use
'S' control option
units only)
Speed
Adjustment
Run on
Adjustment
(see commissioning procedure)
