INPUT 4 INPUT 3 INPUT 2 INPUT 1
RD
YL
GN
BL
RD
YL
GN
BL
N L OP CL RET OP CL RET SL FAIL
MAINS
DAMPER 1 DAMPER 2 SW FAIL
LIVE SW
Volt Free
Contacts for
fail indication
240v live from light switch
(fan operates when live)
240v live to close
240v live to open
240v live to close
240v live to open
240v
mains
supply
Remote fail
sensor input
Sensor input
Sensor input
Master on/off
control input
Step button
Fan 1
Fan 2
OFF
AUTO
Speed
Run on
NOT USED
Fuse (control)
Fuse (fans)
Fuse (dampers)
DIL switches
(used to tailor
smart twin
operation)
Damper switch conn. Remove links when
using dampers fitted
with limit switches
Optional
Sensors &
Timeclocks
etc. plug in
here
Step Button manually
steps through functions
Speed
Adjustment
Run on
Adjustment
(see commissioning procedure)
Smart ‘S’
TWINFAN CONTROL
Installation and Maintenance
2
Smart Control wiring to Twinfan
Figure 2 above shows the inside of the case mounted Smart Control
Module. All sensors and user controls / timeclock etc are ‘plugged in’ to
the control module circuit board. Terminal connection strip is located
on the right of the board. Note the mains connection terminals.
230v Mains
to Twinfan
Smart Control
module
Connecting unit to the mains 230v supply
Remove the control module cover (4 nylon fixings) Unscrew and
remove the aluminium terminal cover plate, Feed the mains
cable through the rubber grommet and connect your 230v supply
to the terminals marked ‘MAINS’ (See fig. 2).
Timeclock
ON/OFF
Code:
ST-TC
Manual
User
Control
ON/OFF
Code: ST-MAN
MK Adaptor plate
Code: MK-ADAPTOR
P.I.R.
Occupancy
Sensor
Code: ST-PIR
Up to four devices
can directly "plug in"
to the Smart Control
Extract from
toilet '2'
(e.g. MALE)
Extract from
toilet '1'
(e.g. FEMALE)
Humidity
Sensor
Code:
ST-HUM
Sensor
Guard
Junction
Box
Code: ST-JB
Audio / Visual
Fail Indicator
Code: ST-AVI
To up to six
additional sensors
(if required)
Airflow Direction Box
Code: ST-ADB
Smart Twinfan
(typical)
1
2
4
5
8
9
10
11
3
7
6
MK Box
(not supplied)
Control
BMS System
interface
Code: ST-BMS
To B.M.S.
230v mains supply
COMPREHENSIVE
SMART SYSTEM
Fig. 3. Quietwin system showing additional options. QTI fan illustrated.
Fig. 2. Control module
connection details
Fig. 1. Control module location on a QTI
internal use Quietwin
Options
List of available sensors, user controls and
ancillaries for “S" option users with a refer-
ence to corresponding information leaflets
PIR Occupancy sensor, code: ST-PIR
(Leaflet No: 670864)
Humidity sensor, code:ST-HUM
(Leaflet No: 670865)
Audio / visual fail indicator, code:ST-AVI
(Leaflet No: 670877)
Timeclock on / off, code: ST-TC
(Leaflet No: 670866)
Manual user control, code ST-MAN
(Leaflet No: refer to Nuaire)
Junction Box, code: ST-JB
(Leaflet No: refer to Nuaire)
Sensor guard, code: refer to Nuaire
(Leaflet No: refer to Nuaire)
MK Adaptor plate, code:: MK ADAPTOR
(Leaflet No: refer to Nuaire)
BMS Interface, code:ST-BMS
(Leaflet No: 6708697)
Airflow direction box, code: ST-ADB
(Leaflet No: refer to Nuaire)
Low voltage comms cable 10m length
(Leaflet No: refer to Nuaire)
1
2
3
4
5
6
7
8
9
10
11