background image

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

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