rada VR2-CC, VR2-RS, VR2-ES Product Manual

1

IMPORTANT

INSTALLER: THIS MANUAL IS THE PROPERTY OF THE

CUSTOMER AND MUST BE RETAINED WITH THE PRODUCT

FOR MAINTENANCE AND OPERATIONAL PURPOSES.

PRODUCT MANUAL

VR2-CC

VR2-RS

VR2-ES

2

CONTENTS

Introduction .............................................................................................3

Description ...............................................................................................3

Safety : Warnings ....................................................................................3

Pack Contents .........................................................................................4

Dimensions .............................................................................................. 5

Specications .......................................................................................... 6

Installation ...............................................................................................9

Rada VR2-CC ...................................................................................10

Rada VR2-RS ....................................................................................12

Rada VR2-ES ..................................................................................... 14

Maintenance ...........................................................................................16

General ...............................................................................................16

Procedure - Changing or Removing the Flow Regulator....................16

Procedure - Changing Spray Plate Angle........................................... 17

Spare Parts ............................................................................................18

Rada VR2-CC ....................................................................................18

Rada VR2-RS .....................................................................................19

Rada VR2-ES ..................................................................................... 20

Accessories ...........................................................................................21

Notes ......................................................................................................22

Customer Care ......................................................................... Back Page

If you experience any difculty with the installation or operation of your new
Shower Fittings, 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.

3

INTRODUCTION

Rada Shower Fittings are specied to meet the highest standards of safety,
comfort and economy as demanded by today’s users. All Rada products are
designed, manufactured and supported in accordance with accredited BS EN ISO
9001:2000 Quality Systems.

Product Range (covered by this guide):

The Rada VR2-CC, VR2-RS and VR2-ES are vandle resistant showerheads,
designed for use in all non-domestic applications.

A 9 l/min ow regulator (orange) is tted as standard. Alternatively, a 6 l/min
regulator (grey) is also supplied and can be substituted for further savings in
water and energy consumption.

Rada VR2-RS and VR2-CC

Vandal resistant shower tting with xed spray plate (spray angle can be set

at 10o or 20o from vertical). For connection to concealed pipework with 15 mm

compression ttings (VR2-CC), or 1/2” BSP parallel nipple (VR2-RS).

Rada VR2-ES

Vandal resistant shower tting with xed spray plate (spray angle can be set at

10o or 20o from vertical). For connection to rising surface pipework.

SAFETY : WARNINGS

Rada products are precision-engineered and should give continued superior and
safe performance, provided:

1. They are installed, commissioned, operated and maintained in accordance with
the recommendations given in this manual.

2. Periodic attention is given, as necessary, to maintain the product in good functional
order. Recommended guidelines are given in section: ‘Maintenance’.

3. Safety: Anyone who may have difculty understanding or operating the controls
of any shower should be attended whilst showering. Particular consideration
should be given to the young, the elderly, the inrm or anyone inexperienced
in the correct operation of the controls.

DESCRIPTION

Design Registration 000793401-0017

4

PACK CONTENTS

Tick the appropriate boxes to familiarise yourself with the part names and to
conrm that the parts are included.

Rada VR2-CC

Rada VR2-RS

Rada VR2-ES

 1 x VR Body

 1 x Grub Screw

 1 x Olive

(VR 2-CC Only)

 2 x Wall Plugs

 2 x Fixing Screws

 1 x Nut (VR 2-CC Only)

 1 x Mounting Bush (ES Version Blanked off)

 1 x 2.5mm Hexagonal Wrench

 1 x 3mm Hexagonal Wrench

 1 x 1/2” BSP Parallel Nipple (VR 2-RS)

 1 x L/min Flow Regulator



5

DIMENSIONS

Rada VR2-CC

Rada VR2-RS

Rada VR2-ES

67

70

105

Dimensions in Millimetres

6

SPECIFICATIONS

Important Points:

1. The installation, commissioning and maintenance of this product must be

carried out in accordance with instructions given in this Manual, and must be
conducted by designated, qualied and competent personnel.

2. Installations must comply with all Local/National Water Regulations/Bye-laws
(Scotland), Building and Plumbing Regulations.

3. Rada products are precision engineered and should give continued superior
and safe performance, provided:

- they are installed, commissioned, operated and maintained in accordance
with these recommendations.

- periodic attention is given as necessary to maintain the product in good
functional order. Recommended guidelines are given in the MAINTENANCE
section.

4. Warning! Continued use of this product in conditions outside the limits listed
in this section can severely affect the performance and reduce the effective
service life, and can present potential risk to users.

5. Disinfectants: In applications where system chemical disinfection is practised,
chlorine can be used (calculated chlorine concentration of 50 mg/l [ppm]
maximum in water, per one hour dwell time), at service interval frequency.
Such procedures must be conducted strictly in accordance with the information
supplied with the disinfectant and with all relevant Guidelines/Approved Codes
of Practice. If in any doubt as to the suitability of chemical solutions, refer to
Kohler Mira Limited, or Local Agent.

Normal Operating Conditions:

- daily usage of 1 - 6 hours.

- installation and usage environment not subject to extremes of temperature,
unauthorised tampering or wilful abuse.

Temperature Range: Designed to accept water supplied between 5oC - 65oC.

Pressure Range: Recommended minimum maintained pressure at the inlet

of tting 1.5 bar. Maximum maintained pressure at the inlet of the tting

5.0 bar (with ow regulator tted).

Spray Performance: Minimum ow rate necessary to achieve a fully formed
spray pattern is 2.0 l/min.

Installation Height: Recommended installation hight is 2 metres above the
oor surface.

7

Connections: VR2-CC: 15 mm compression.

VR2-RS: 1/2” BSP Supply.
VR2-ES: Socket with 'O' seal to accept

15mm pipe (push t, bottom entry).

Composition/Manufacture: All materials are corrosion resistant.

Spray Body: Brass: polished chrome nish.

Mounting Bush/Inlet Nipple: Brass.

Spray Plate: Engineering plastic.

Flow Regulator: Engineering plastic.

Strainer: Stainless steel.

Security Kit: Plated mild steel (Optional extra).

Rada Pipe: 15 mm x 700 mm stainless steel (Optional extra).

All screws in contact with water are stainless steel.

Pressure Loss/Flow Rate Curves

With 'VR' spray plate

Pressure Loss / Flow rate Curves

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

0.05.0 10.0 15.0 20.0

Flow rate (l/min)

Pressure loss (bar)

With 6 l/min
regulator

With 9 l/min
regulator

Unrestricted

8

Spray Patterns at 9 l/min

VR2 spray plate

0

0.4

0.8

1.2

1.6

2.0
0

0.4 0.8 1.2

0

0.4

0.8

1.2

1.6

2.0

0.4

0

0.4

Height of Spray Head (Metres)

10°
Inner
Edge

Height of Spray Head (Metres)

20°
Outer
Edge

Spray Width (Metres)Spray Width (Metres)