rada V12 User manual

11147005-W2-B
PRODUCT MANUAL
V12 DIVERTER
IMPORTANT
Installer: This Manual is the property of the
customer and must be retained with the product
for maintenance and operational purposes.

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Thank you for purchasing a quality Rada product. To enjoy the full potential of your new product, please
take time to read this guide thoroughly, having done so, keep it handy for future reference.
The Rada Diverters are suitable for either high or low pressure systems and are available as exposed
or concealed congurations.
This product complies with the Water Supply (water ttings) Regulations 1999.
INTRODUCTION
If you experience any difculty with the installation or operation of your new Diverter, please refer to
‘Fault Diagnosis’, before contacting Kohler Mira Ltd. Our telephone and fax numbers can be found on
the back cover of this guide.
The Rada Exposed Diverter is designed for use
with the Rada V12 mixing valve. It allows two
outlets to be selected independently or both
simultaneously.
The Rada Concealed Diverter is mounted on the
outlet of a the mixing valve and allows you to
divert water between two different outlets off the
same shower (e.g overhead and handset or bath
spout and shower).
Note! When installing and using this product
you will need to refer to the Installation and
User Guide for the mixer and shower ttings.

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Rada products are precision engineered and should give continued safe and controlled performance,
provided:
1. They are installed, commissioned, operated and maintained in accordance with manufacturer’s
recommendations.
2. Do not install the product in a position in which service access is restricted.
3. Make sure that you fully understand how to operate this shower and make sure that it is properly
maintained in accordance with the instructions given in this manual.
4. Periodic attention is given, when necessary, to maintain the product in good functional order.
Caution!
1. Read all of these instructions.
2. Retain this guide for later use.
3. Pass on this guide in the event of change of ownership of the installation site.
4. Follow all warnings, cautions and instructions contained in this guide.
5. Having completed the installation, make sure that the user is familiar with the operation of the diverter.
6. When this product has reached the end of its serviceable life, it should be disposed of in a safe manner,
in accordance with current local authority recycling, or waste disposal policy.
7. If pipework enters the shower from the rear through a hole in the wall . Provision must be made to
prevent water ingress back into the wall structure.
8. DO NOT operate this appliance if it is frozen. Allow the appliance to thaw before using. The shower
unit must not be tted where it may be exposed to freezing conditions.
9. Make sure that any pipework that could become frozen is properly insulated.
10.The water supplies to this product must be isolated if the product is not to be used for a long period
of time. If the product or pipework is at risk of freezing during this period they should also be drained
of water.
11.If the shower is dismantled during installation or servicing then upon completion the product must be
inspected to ensure there are no leaks
12.The shower must be tted to a tiled or sealed nished surface
SAFETY : WARNINGS

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PACK CONTENTS
Tick the appropriate boxes to familiarize yourself with the part names and to conrm that the
parts are included.
q1 x Rada Diverter (Exposed)
q1 x Cardboard Building-in Shroud
(Not Illustrated)
q1 x Rada Diverter (Concealed)
q1 x Concealing Plate Assembly
q2 x Wall Plugs
q2 x M5 x 40 Fixing Screws
q2 x M4 x 60 Fixing Screws
q2 x 8 x 1¼" Fixing Screws
q3 x Cap Nut
q1 x 2.5 mm Hexagon Key
q3 x 15 mm Olive
q1 x 6 l/min Flow
Regulator (Black)
q1 x 9 l/min Flow
Regulator (Orange)
q1 x 'O' Seal
q1 x 2 mm Hexagon Key
q1 x 15 mm Olive
q1 x 6 l/min Flow
Regulator (Black)
q1 x 9 l/min Flow
Regulator (Orange)
q1 x Blanking Plug

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All dimensions in mm
DIMENSIONS
92
55
70
125
Rada Diverter (Exposed)
Rada Diverter (Concealed)
92
70
125
130
70
47
83
9
59 - 89
∅130
130
70
83
9
Ø130
55

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0
5
10
15
20
25
30
35
40
45
50
0.00.5 1.01.5 2.02.5 3.
0
Outlet Flow (l/min)
Pressure Loss (bar)
V12 mixer with Diverter
(no flow regulators)
with 6 l/min flow regulator
with 9 l/min flow regulator
SPECIFICATIONS
Pressures
• Max Static Pressure: 10 Bar.
• Max Maintained Pressure: 5 Bar.
Connections
Exposed Diverter:
• Inlet: Adapter for Rada V12 Mixer Outlet
• Top Outlet: 15 mm Compression.
• Right Angle Outlet (RAC) : ½" BSP Flat Face
Concealed Diverter:
• Inlets and Outlet: 15 mm Compression.
Flow Rates

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3. Install the blanking plug into the bottom outlet.
Note! Ensure the 'O' seal is tted.
4. Install the Rada V12 mixing valve (refer to the
Product Manual).
5. Remove the outlet adaptor tted to the diverter
by loosening the grubscrew using a 2 mm
hexagon key supplied.
Note! Retain the grubscrew.
Diverter Installation (Exposed)
New or existing Installation
Note! If the mixer valve is installed with top
outlet (reversed inlet connections HOT right,
COLD Left), move to step 4.
1. Using the 'O' key or 12 mm hexagon wrench,
unscrew the outlet connector supplied with the
V12 mixer, and discard.
2. Carefully unscrew the blanking plug taking
care not to damage the chrome nish.
INSTALLATION
General
Installation must be carried out in accordance
with these instructions, and must be conducted by
designated, qualied and competent personnel.
The plumbing installation must comply with the
requirements of UK Water Regulations/Bye-laws
(Scotland), Building or any particular regulations
and practices, specified by the local water
company or water undertakers.
1. Pipework must be rigidly supported and avoid
any strain on the connections.
2. Pipework dead-legs should be kept to a
minimum.
3. Decide on a suitable position for the Mixer
and Diverter. The position of the Mixer and the
Shower Fittings must provide a minimum gap
of 25 mm between the spill-over level of the
shower tray/bath and the showerhead (refer to
the Product Manual for the Rada V12 Mixing
Valve). This is to prevent back-siphonage.
Outlet Adaptor
Grubscrew
Hexagon Key
Diverter
Outlet Connector
Rada V12 Valve
Blanking Plug
'O' Seal

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6. Install the outlet adaptor and the 'O' seal
(supplied) onto the V12 mixer outlet and fully
tighten using the 'O' key or 12 mm hexagon
key.
7. Carefully install the diverter onto the adaptor
outlet and align with the V12 mixer.
8. Tighten the grubscrew.
9. Remove the compression nut from the diverter
10.Install the 15 mm olive and compression nut
(supplied).
11.Connect outlet pipe for xed overhead shower
tting and tighten the compression nut.
Note! Before installing the shower ttings refer
to the section 'Flow Regulators'.
Outlet Adaptor
'O' Seal
12.Install the shower ttings (refer to the 'Product
Manual').
13.Turn on the water supplies and check for leaks.
14.Refer to the Rada V12 Product Manual for
Commissioning procedure.
Diverter
Hexagon
Key
Grubscrew
Outlet Adaptor
Compression Nut
15 mm Olive
Washer
Flow Regulator
Outlet Pipe
Compression Nut

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Diverter Installation (Concealed)
Solid Wall or Stud Partition Fixing using
Securing Bracket
Note! The following instructions assume the
diverter will be installed with the Rada V12
Concealed mixer (Refer to the Rada V12 Product
Manual).
Note! The diverter can be installed into a solid
wall, stud partition or laminated panels.
Note! When installing onto a dry lined, stud
partition, or laminated panel installers may wish to
obtain alternative xing, however, these methods
of xing are beyond the scope of this guide.
Note! It is important that the diverter is connected
as shown below to ensure correct operation.
1. Mark the routes of the pipework assuming the
diverter is positioned a minimum distance of
200 mm vertically above the Rada V12 mixer
valve.
2. Remove the plasterboard and or brickwork to
a minimum depth of 55 mm depth so that the
outlet of the Rada V12 mixer aligns with the
diverter inlet.
Note! The Rada V12 mixer is mounted 10 mm
deeper than the diverter.
Rada V12
Outlet to Built-in
Rigid (BIR)
Hot Cold
200 mm
minimum
Diverter
Diverter
Inlet
Outlet to Right
Angle Connector
(RAC)
200 mm
minimum
6 mm Minimum
Finished Wall
65 mm Minimum
24 mm Minimum
Finished Wall
Rada V12
Outlet
Diverter
Inlet
55 mm Minimum
Diverter
Rada V12

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3. Drill two Ø6 holes suitable for the wall plugs
and N° 8 x 1¼" xing screws.
4. Install the diverter assembly into the prepared
cavity and secure with the two N° 8 x 1¼" xing
screws supplied.
Note! Use the spirit level included to ensure
the diverter is mounted level.
4. Install the 15 mm compression nuts and olives
(supplied) to the diverter connections.
5. Connect the outlet of the Rada V12 mixer to
the diverter inlet with a length of 15 mm copper
tube and fully tighten the compression nuts.
6. Connect the outlet pipework, and install your
shower ttings (refer to your Shower Fittings
Product Manual).
7. Turn on the water supply and check all joints
for leaks.
8. Finish the wall.
9. Install the concealing plate assembly (refer to
section 'Concealing Plate Assembly').
Panel Fixing using Securing Bracket
Note! For laminated panels the diverter must
be positioned from the rear of the panel. Panel
thickness must be between 4 and 30 mm (if
a thicker panel is used, it will be necessary to
recess the bracket into the rear of the panel).
Important! Make sure that there is a minimum
clearance of 60 mm behind the laminated panel
to house the diverter.
1. Carefully cut out the laminated panel.
2. Drill two holes suitable for the M5 x 40 xing
screws.
Note! Use the spirit level included to ensure
the diverter is mounted level.
3. Install the diverter assembly into the prepared
cavity and secure with the two M5 x 40 xing
screws supplied.
Panel Fixing Hole
M5 x 40
Fixing
Screw
5. Install the 15 mm compression nuts and olives
(supplied) to the diverter connections.
6. Connect the outlet of the Rada V12 mixer to
the diverter inlet with a length of 15 mm copper
tube and fully tighten the compression nuts.
7. Connect the outlet pipework, and install your
shower ttings (refer to your Shower Fittings
Product Manual).
8. Turn on the water supply and check all joints
for leaks.
9. Finish the wall (plaster and tile to the nished
wall thickness).
Important! Make sure that you use the
cardboard building-in shroud when nishing
the wall. This will protect the diverter and make
sure that you tile up to the correct diameter.
10.Install the concealing plate assembly (refer to
section 'Concealing Plate Assembly').
Panel Fixing
Hole
N° 8 x 1¼"
Fixing Screws
Spirit Level