Aquatica Digital Multiplex Duo User manual

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Multiplex Duo
Shower Control
Installation & Care Manual
INTERNATIONAL
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Multiplex Duo
Shower ControlShower Control
IMPORTANT AND SAFETY INFORMATION
Please read these instructions carefully before starting installation and keep in a safe place
for future reference.
This Installation Guide contains instructions for the correct
connection of the Duo product. The warranty will be
invalidated if the product is not installed according to these
instructions. Aquatica accepts no liability for loss or damage
resulting from installation or use of the product that is not
in accordance with these instructions.
All Aquatica valves are mixed flow products, which, for
optimum performance, require hot and cold supplies
to be reasonably balanced, with no more than 0.5bar
pressure difference between them.
This product MUST be installed by a competent person in
accordance with all current relevant state and municipal
statutes and regulations, including building regulations.
All showers requiring an electrical connection MUST be
installed by a certified plumber and electrician. Before any
electrical connections are made, the electricity supply must
be turned off at the mains switch. All electrical installation
must be carried out only by a certified electrician.
We recommend that the temperature of the shower hot
water supply should not exceed 65°C (149F).
The processor is supplied factory pre-set at a maximum
temperature of 40°C (104F), in line with cUPC standards.
The maximum temperature is fully adjustable to suit the site
conditions.
Important: The processor must be installed in an ac-
cessible location for servicing and maintenance (and
no warranty claim can be considered or liability ac-
cepted by Aquatica if lack of accessibility has pre-
vented maintenance).
The processor must not be installed in situations where
either the ambient temperature is likely to exceed 40°C
(104F) or where freezing may occur.
The user controls must not be installed in situations where
the ambient temperature is likely to fall below 5°C(41F) or
rise above 70°C. (158F).
The minimum depth of w’)all required to fit the control fixing
brackets is 70mm (2 3/4”). 35mm (1.4”) depth is required if
the rear of the bracket is cut down.
Cables mounted on surfaces must be protected by a suit-
able approved conduit. This applies even in a loft, where
there may be a risk of damage by vermin.
Cables that are chased into walls must also be
protected by a conduit or sheathing to allow removal
for service and maintenance.
The power lead must not be replaced by anyone other than
the manufacturer or its accredited agent.
The user control operates from a low voltage source.
Please check for hidden pipes or cables before drilling
any holes.
The Multiplex Duo is suitable for domestic or commercial
use. This product is supplied with a 5 year guarantee.
This product is not intended for use by children or persons
with reduced physical or mental capabilities, and should
not be used by such persons without appropriate instruc-
tion and supervision.
WARNING
CONTINUOUSLY TURNING THE CONTROL WHEEL IN
THE CLOCKWISE DIRECTION MAY OVERRIDE THE
PRE-SET MAXIMUM TEMPERATURE, RESULTING IN
A RISK OF SCALDING.
ALWAYS TAKE CARE WHEN OPERATING THE
CONTROL WHEEL, AND DO NOT LEAVE CHIL-
DREN UNATTENDED WHILST THE PRODUCT IS IN
OPERATION.
Pipe sizing
To reduce pressure losses and help maintain flow rate, 3/4”
pipework should be used on the inlets and reduced to 1/2”
as close to the processor as possible, and elbows should
be kept to a minimum.
Pipe runs on both inlet and outlet should be as short as
possible to avoid reduction of flow rate at the shower head.
If 1/2” pipe must be used, or long pipe runs are unavoida-
ble on the outlet, copper pipe should be used rather than
plastic, particularly if a diverter is fitted.
All copper pipework must be cross-bonded and connected
to an earthing point.
Full bore isolation valves must be fitted for maintenance
purposes.
Flushing
After completing soldering the pipework should be thor-
oughly flushed out in accordance with the state and munic-
ipal regulations prior to connection of the product.
After installation
We recommend that the shower is not used for 24 hours
after first being installed to allow the back up battery to
become fully charged before use.Please familiarise the end
user with how the Multiplex Duo works.
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Multiplex Duo
Shower ControlShower Control
PACKAGE CONTENTS Function : Form : Fashion
Shower Control Option Bath Control Option
DUO TEMPERATURE CONTROL CONTROL FIXINGSCONTROL FIXING BRACKETS
DUO FLOW/OUTLET CONTROL ADAPTOR RING SETSBACK PLATES & FOAM GASKETS
DUO TEMPERATURE CONTROL
DUO FLOW/OUTLET CONTROL
INLET & OUTLET
CONNECTORS
BACK UP
BATTERY SUPPLY
PROCESSOR
FIXINGS
PROCESSOR - DUAL OUTLET
SHOWER: MDUOSH BATH: MDUOBATH
TOOLS REQUIRED
PENCIL
CROSSHEAD SCREWDRIVER
8MM DRILL BIT
ADJUSTABLE SPANNER DRILL

Multiplex Duo
Shower ControlShower Control
FLOW PERFORMANCE
45
45
cold hot mixed
cold hot mixed
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0
Flow Rate ( litres/ minute)
Dynamic pressure ( bar)
The Flow rate is depending on Dynamic water pressure of supply system to the processor.
All products marked LP (Low pressure) and MP (Medium pressure)
are also suitable for HP (High pressure) systems.
Please note: This product must work from a minimum water pressure
of 05.bar and above.
Water pressure - recommended
MP minimum 0.5 bar
HP1 minimum 1 bar
HP2 minimum 2 bar
HP3 minimum 3 bar
HP4 minimum 4 bar
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Multiplex Duo
Shower ControlShower Control
TYPICAL WALL MOUNTED
INSTALLATION SCENARIO:
IMPORTANT: The Processor must be accessible and should not be sealed in the wall.
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MULTIPLEX DUO WALL MOUNTED INSTALLATION SCENARIO - handshower and fixed overhead shower configuration
MULTIPLEX DUO BATH/SHOWER WITH UNDER BATH INSTALLATION - handshower and bath filler
Handset & fixed head outlets
Cable length
6m max.
Access
panel
Warning: The power cable must
be secured and chased into the
wall, this must not be left exposed
as in the event of a possible leak the
cable will be protected.
Please make sure the cable is installed
by a qualified electrician and has
certificates to back this up.
Important: The Processor must have
an access panel.
Note: The controller can be
fitted anywhere in the
showering area.
Cable length
6m max.
Bath filler
Handset outlet
Warning: The power cable must
be secured and chased into the
wall, this must not be left exposed
as in the event of a possible leak the
cable will be protected.
Please make sure the cable is installed
by a qualified electrician and has
certificates to back this up.

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Multiplex Duo
Shower ControlShower Control
TYPICAL CEILING MOUNTED
INSTALLATION SCENARIO:
IMPORTANT: The Processor must be accessible.
MULTIPLEX DUO CEILING MOUNTED INSTALLATION SCENARIO - handshower and fixed overhead shower configuration
Handset & fixed head outlets
Cable length
6m max.
Note: The controller can be
fitted anywhere in the
showering area.
MULTIPLEX DUO BATH/SHOWER CEILING MOUNTED INSTALLATION SCENARIO - handshower and bath filler
Cable length
6m max.
Extension cables for
the ‘Bath filler control’
are available.
Bath Filler
Handset oiutlet

Function : Form : Fashion
2Attaching control fixing brackets
Prepare the wall to take the
control fixing brackets. The
installation of the control
fixing brackets will depend
on each individual situation
i.e. if there is access from
behind the shower.
Brackets attached from
‘behind’:
40mm diameter holes are
required.
Brackets attached from
‘front’:
68mm diameter holes are
required.
Conduits should be used in
the walls where necessary
to protect the cables and
allow maintenance.
Note: If a double trim plate
is used the control fixing
brackets must be
positioned so that the
openings at the back are
horizontal as shown.
Attach the control fixing
brackets using the screws
supplied.
Brackets attached from ‘behind’
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1
Multiplex Duo
Shower ControlShower Control
INSTALLATION SEQUENCE - Shower Control Option
To make the installation easier, we
recommend that the control fixing
brackets are cut down as shown using
a hacksaw.
Cut down control
fixing brackets
Brackets attached from ‘front’
3
Finish the wall by tiling etc.
40mm diameter holes
should be drilled in the tile
etc to finish.
Finish the wall
80
40
Required hole sizes

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4
Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Shower Control Option continued
Shower control option 5Shower control option
6 7
Shower control option Shower control option
Draw a line around the
bracket collars, flush with
the wall.
Carefully cut down the bracket collars as marked.
Note: Feeding a string or wire through the
brackets and conduit will make it easier to pull the
cables through to the processor
Without optional trim plate
String or wire
Position the adaptor rings inside the back plate/foam
gaskets and fix through the adaptor ring holes into the
bracket collars using the 15mm screws supplied.
Back plate/Adaptor
ring - with foam gasket
fitted in the back
Foam gasket
fitted in the back
4 5
6 7

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Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Shower Control Option continued
8Shower control option 9Shower control option
10 11
Shower control option Shower control option
Without trimplate: Position the controls into the
brackets and turn clockwise to lock in position.
Push fit the ‘front’ control wheels onto the controls.
Now follow step 16 on page 11.
Carefully pull the ‘front’ control wheel off the controls,
taking care not to mix them up. Feed the ‘foam seals’
onto the data cables and onto the control bodies.
Feed the control data
cables through the
brackets.
Note: The Multiplex Duo
Temperature control
should be in the top
position and the Duo
Flow and Diverter
control in the bottom
position.
Foam seal
Without trim plate

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Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Bath Control Option
4 5 Bath control option
6 7
Bath control option Bath control option
Unscrew and remove the nut and washer from the
control brackets and data cables. Carefully pull the
‘front’ control wheel off the controls, taking care not
to mix them up.
If required the control bodies can be removed from the
control brackets by pulling off the front control wheel,
turning the control bodies anti-clockwise and liffting
out. To refit, position the control bodies in the slots and
turn clockwise.
12 13
14 15
Bath control option
‘O’ ring
Prepare the bath rim to take the control fixing
brackets. 35mm diameter holes are required to fit the
brackets. Feed the control data cables through the
holes, then insert the control brackets.
Feed the washer and nut onto the control data cables
and screw hand tight onto the control barcket bodies,
help may be required at this stage. Push fit the ‘front’
control wheels onto the controls.
-

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Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor
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Remove the processor cover.
Connecting the processor
16
15VB attery WLAN ValveC ontrollerD ual Wheel
Inside Processor - Dual outlet
Connector block
Fixing Holes
Cover
retaining
holes
Note: Outlet 1 is the
default outlet, when turned on water
will flow through this outlet first.
If a bath filler option is required it must
be connected to outlet 1.
Battery compartment Power supply
Hot Cold
Inlets
Outlets

Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor continued
4 5 Connecting the processor
6 7
Connecting the processor Connecting the processor
Important: The location of the processor must be
accessible and dry.
If required, use the template (found on page 17)
to mark the position of the processor fixing holes in the
selected location.
Fully insert the inlet connectors into the inlet valves (one
long and one short connector).
Note: If required, the ‘nut’ ends of the inlet connectors
(and outlet connectors) can be cut off and
compression fittings can be used to attach the
pipework.
17 18
19 20
Connecting the processor
Fix the processor in position using the fixings supplied.
Remove the inlet connectors retaining bolt.
15VB attery WLAN ValveC ontrollerD ual Wheel
Display
15VB attery WLAN ValveC ontrollerD ual Wheel
Display
15VB attery WLANV alveC ontro
lle
Dis
p
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15VB atteryWLAN ValveC ontrollerD ual Wheel
Display
1
2
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Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor continued
4 5 Connecting the processor
6 7
Connecting the processor Connecting the processor
Re-insert the inlet connectors retaining bolt.
Fully insert the outlet connectors into the outlet valves.
Note: Outlet 1 is the default outlet, when turned on
water will flow through this outlet first. If a bath filler
option is required it must be connected to outlet 1.
21 22
23 24
Connecting the processor
Important: Flush through the pipework before
connection.
Attach the 15mm hot and cold water supply
connections.
Remove the outlet connectors retaining bolt.
15VB attery WLAN ValveC ontrollerD ual Wheel
Display
15VB attery WLAN ValveC ontro
lle
Di
sp
Cold
Hot
15VB atteryWLAN ValveC ontrollerD ual Wheel
Display

15VB atteryWLAN ValveC ontrollerD ual Wheel
Display
15VB atteryWLAN ValveC ontrollerD ual Wheel
Display
Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor continued
4 5 Connecting the processor
6Connect temperature control data cable
25 26
27
Connecting the processor
Attach 15mm pipework to the outlet connectors.
Note: Make a note of which pipe goes to what.
Note: Make sure that the pipework is perpendicular to
the processor so that there is no strain on the fittings,
use pipe clips as required.
Run a pipe from the mixed water outlet on the
processor through the wall to the proposed position
of the shower hose outlet etc.
Connect the data cable from the temperature control to the ‘Controller’ connection in the processor.
Re-insert the outlet connectors retaining bolt.
15V Battery WLAN Valve Controller Dual Wheel
Display
B
attery WLAN ValveC ontrollerD ual Wheel
Display
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Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor continued
4
6Connect back up battery
Connect the data cable from the flow / outlet control to the ‘ Dual Wheel’ connection in the processor.
28
29
Connect flow/outlet control data cable
Connect the battery cable to the ‘Battery for battery back up’ connection and place the battery in the compartment.
15V Battery WLAN Valve Controller Dual Wheel
Display
WLAN ValveC ontrollerD ual Wheel
Display
15V Battery WLAN Valve Controller Dual Wheel
Display
15VB attery

Multiplex Duo
Shower Control
INSTALLATION SEQUENCE - Processor continued
4 5 Connecting the processor 30 31
Connecting the processor
Connect the processor power lead to a double pole
3 amp fuse switched spur incorporated in the fixed
wiring circuit, in accordance with the state and city
wiring regulations.
Important: All showers requiring an electrical
connection MUST be installed by a qualified
installer following the latest plumbing and electrical
codes and certified to current building regulations.
Re-fit the processor cover.
Display
15V Battery WLAN Valve Controller Dual Wheel
CLEANING / MAINTENANCE
Clean the controls only with soapy water. The use of abrasive cleaners may damage the brass,
and will invalidate your guarantee.
WARRANTY
Aquatica Multiplex series digital shower and bath controllers carry a 5 year warranty that covers all
manufacturing defects.
This warranty does not cover damage caused during fitting, damage resulting from incorrect installation,
or damage caused by misuse or inappropriate cleaning.
Please do not disassemble the processor unit as this will invalidate your guarantee.
Digital processor boxes must be fitted in accessible locations, and it is the responsibility of the installer
to ensure that any processor is accessible.
Aquatica cannot accept liability if the processor has been fitted in an inaccessible location.
Please contact our customer service for information regarding the use of the Multiplex Duo in commercial
applications, and the applicability of the warranty in such circumstances.
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Multiplex Trio
Shower Control Function : Form : Fashion
Ø8 x 55 Ø8 x 55
this side up
this side up
235mm / 9.2inch
Note: Diagram is to scale. Ensure when printing that image size is at 100%.

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Multiplex Duo
Shower ControlShower Control

Function : Form : Fashion
Function : Form : Fashion

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