Kohler Mira Showers Escape Thermostatic 9.8 kW User manual

11062246-W2-N
These instructions must be left with the user
Mira Galena
9.8 kW
Installation and User Guide
For SPARES,
ADVICE or REPAIRS
please call us free
on 0800 001 4040
(UK only)

21062246-W2-N
WARNING - This shower can deliver scalding temperatures, cause
re, electric shock or other personal injury if not operated, or
maintained in accordance with the instructions, warnings and
cautions contained in this guide and on the appliance.
Please read the important safety information and the operation section
of this guide before using the shower. Failure to follow the instructions
provided with this shower will invalidate the guarantee.
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY:
1. Children younger than 3 years should not use this shower. Children
3 years to under 8 years should only use this shower under
continuous supervision. Children aged 8 years and above and
persons with reduced physical, sensory or mental capabilities or
lack of experience or knowledge can use the shower if they are
given supervision or instruction concerning use of the appliance
in a safe way and understand the hazards involved.
2. Children shall not be allowed to play with the shower.
3. DO NOT restrict the water ow from the shower outlet, temporarily
bending the shower hose or blocking the shower head while in use
can cause a hot shot of water to be discharged.
4. Cleaning and user maintenance shall not be made by children
without supervision.
5. The outlet must not be connected to any tap or tting other than
those specied.
6. The showerhead must be descaled regularly. Any blockage of the
showerhead or hose can cause damage to the shower.
7. Warning! DO NOT switch on if there is a possibility that the water
in the heater is frozen.
8. The shower must be provided with means for local disconnection
from the supply mains having a contact separation in all poles
that provide full disconnection under overvoltage category III,
the instructions state that means for disconnection must be
incorporated in the xed wiring in accordance with the wiring rules.
Important Safety Information

31062246-W2-N
9. Installation of the shower must be carried out in accordance with
these instructions by qualied, competent personnel. Read all
instructions before installing the shower.
10.DO NOT switch the shower on if water starts leaking from the shower
case. Isolate the electrical supply to the shower immediately.
11.DO NOT switch the shower on if the case appears to be damaged
or incorrectly tted. Isolate the electrical supply to the shower
immediately.
12.DO NOT increase the power setting or adjust the temperature
control rapidly while using the shower.
13.DO NOT switch the shower o󰀨 and back on while standing in the
water ow.
14.DO NOT change the handset model. Fit only shower heads
recommended by Mira and do no t any additional device to restrict
the water outlet ow.
15.When adjusting the handset mode, point handset away from body
and make sure that the water temperature has stabilised before
continuing to shower.
16.Use caution when altering the water temperature, always check
the temperature before continuing to shower.
17. Switch the shower o󰀨 at the electrical isolating switch when not in
use. This is recommended with all electrical appliances.
18.Installation of the shower must be carried out in accordance with
these instructions by qualied, competent personnel. Read all
instructions before installing the shower.
19.Isolate the electrical and water supplies before commencing
installation. The electricity must be isolated at the consumer unit
and the appropriate circuit fuse removed, if applicable. Mains
connections are exposed when the cover is removed.
20.DO NOT install the shower in areas with high humidity and
temperature (i.e. Steam rooms and saunas).
21.DO NOT install the shower where it may be exposed to freezing
conditions. Ensure that any pipework that could become frozen is
properly insulated.

41062246-W2-N
22.DO NOT connect the outlet of the shower to any tap, control valve,
trigger operated handset or showerhead other than those specied
for use with this shower as the outlet acts as a vent for the tank
body. Only Kohler Mira recommended accessories should be used.
23.DO NOT perform any unspecied modications, or drill or cut holes
in the product other than instructed by this guide. When servicing
only use genuine Kohler Mira replacement parts.
24.Always check the water temperature is safe before entering the
shower.
25.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.
26.If the shower is dismantled during installation or servicing then,
upon completion, an inspection must be made to ensure all
electrical connections are tight and that there are no leaks.
27.This appliance is intended to be permanently connected to the
water mains and not connected by a hose set.
28.The water inlet of this appliance shall not be connected to a water
supply obtained from any other water heating system.
29.Warning! This appliance is not to be used to provide a potable
water supply.
30.Maximum Static Pressure is 1000 kPa (10 bar).
31.Minimum Dynamic Pressure is 70kPa (0.7 bar).
Decommissioning and Recycling
When this appliance 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. For more information
about recycling, please contact your local council o󰀩ce.

51062246-W2-N
Pack Contents
Tick the appropriate boxes to familiarize yourself with the part names and to conrm
that the parts are included.
Wiring Diagram
Internal Wiring Diagram
1 x Olive
1 x Compression Nut
1 x Mira Galena
Documentation
1 x Installation and User Guide 1 x Installation Template
1 x Guarantee and Registration Document
BROWN
BROWN
BROWN
BROWN
RED
RED
RED
BROWN
BROWN
GREEN BLUE
BLUE
BLACK
BLACK
BLACK
GREEN
Thermal Cutout
Disc
Tank Connection
Load
Inlet Connector
Pressure/Power
Selector Switch
Solenoid
Valve
Start/Stop
L.E.D.
START/STOP
L
E
N

61062246-W2-N
Design Registration: 000578463-001-002
Patents: GB: 2 341 667, 2 404 000, 2 428 286, 2 427 460
Ireland: 82835, 85128, 85163, 85912
Thank you for purchasing a quality Mira 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 Mira Galena is a thermostatic electric shower with separate controls for power
selection and temperature/ow adjustment. A unique thermostatic valve stabilizes
temperature changes caused by water pressure uctuations. These can result from
taps being turned on or o󰀨, or a toilet being ushed. An individual light indicates
“START/STOP”.
The Mira Galena comes complete with a set of Mira Energise Shower Fittings.
A 9.8 kW 240 V AC (9.0 kW 230 V AC) heater with Mira Energise adjustable spray
handset with four di󰀨erent spray actions (start, soothe, force and eco*). Supplied
complete with exible hose, clamp bracket assembly, slide bar, supports, hose
retaining ring and soap dish. Available in a black slate, metallic silver, black ock
and light stone nish.
* The ‘eco’ setting will have no eect, and will give the same spray action as the
‘start’ setting.
Domestic Light Commercial 
Heavy Commercial Healthcare 
Introduction
Mira Galena 9.8 kW
Recommended Usage
Patents and Design Registration

71062246-W2-N
Specications
Dimensions
Height 367 mm
Width 233 mm
Depth 100 mm
Electrical Variant
Galena 9.8
Nominal Power at 230 V ac 9.0 kW
Nominal Power at 240 V ac 9.8 kW
Recommended MCB Rating 45 A
Maximum Supply Cable Size 16 mm²
Recommended RCD Rating 30 mA tripping current
Recommended Isolator Switch 45 A double-pole with 3 mm contact separation
Appliance Sealing Rating IP X4 - Suitable for installation in Zone 1
Maximum Ambient Temperature 30°C
Minimum Ambient Temperature 2°C
Plumbing
Variant
Galena 9.8
Minimum Dynamic Pressure 70 kPa (0.7 bar)
Maximum Dynamic Pressure 500 kPa (5 bar)
Maximum Static Pressure 1000 kPa (10 bar)
Minimum Static Pressure 20 kPa (0.2 bar)
Maximum Inlet Temperature 30°C
Minimum Inlet Temperature 2°C
Inlet Connection 1/2” BSP Male / 15 mm Compression Fitting
Maximum Water Hardness 200 ppm CaCO3
Outlet Connection 1/2” BSP Male

81062246-W2-N
European Conformity Information
For domestic installations, Mira Showers guarantee the Mira Galena 9.8 kW
against any defect in materials or workmanship for a period of two years from the
date of purchase (shower ttings for one year).
For non-domestic installations, Mira Showers guarantee the Mira Galena 9.8 kW
against any defect in materials or workmanship for a period of one year from the
date of purchase. For terms and conditions refer to section “Customer Services”.
Guarantee
The Mira Galena shower complies with the following European directives:
2006/95/EC Low Voltage Directive, 2004/108/EC EMC Directive.
The Mira Galena shower is a high power appliance and is subject to conditional
connection. If the main electrical supply fuse is rated less than 80 Amps, the local
electricity supply company must be contacted to conrm if the electrical supply is
adequate.
The Mira Galena shower complies with the requirements of the UK’s water
regulations.

91062246-W2-N
Installation Requirements
Plumbing
1. The plumbing installation must comply with all national or local water regulations
and all relevant building regulations, or any particular regulation or practice
specied by the local water supply company.
2. DO NOT use sealing compounds on any pipe tting or joints.
3. DO NOT install the product in a position in which service access is limited.
4. Decide on a suitable position for the shower (minimum distance of 200 mm from
the ceiling to allow for cover t and removal).
5. The position of the shower and shower ttings must provide a minimum gap of
25 mm between the showerhead and the spill over level of any bath, shower
tray or basin and a minimum gap of 30 mm between the showerhead and the
spill over level of any toilet, bidet or other appliance with a Fluid Category 5
backow risk (see diagram on page 10).
6. The shower is suitable for installation within the shower area and is tted with
a pressure relief valve. It must be positioned over a water catchment area with
the controls at a convenient height for the user.
7. The shower must be tted to a waterproof at and even wall surface.
8. DO NOT t the shower to the wall and tile up to the case.
9. DO NOT seal the gap between the shower and the wall surface.
10. The showerhead should be positioned so that it discharges down the centre
line of the bath or across the opening of a shower cubicle.
11. The showerhead must be directed away from the shower unit, during normal
use the showerhead must not spray directly on to the shower unit.
12. DO NOT apply excessive force to plumbing connections; always provide
mechanical support when making plumbing connections. Any soldered joints
should be made before connecting the shower.
13. This shower is not designed to be plumbed directly from the rear. For rear-entry
supply, add an elbow to the supply pipe and connect as a rising or a falling
supply.
14. If pipework and/or electrical cables enter the shower from the rear through a
hole in the wall provision must be made to prevent water ingress back into the
wall structure.
15. Only use the inlet connector supplied with the shower. DO NOT use any other
type of tting.
16. A full bore/non restrictive servicing valve must be tted in a readily accessible
position adjacent to the shower to facilitate maintenance of the shower.
DO NOT use a valve with a loose washer plate (jumper) as this can lead to a
build up of static pressure.

101062246-W2-N
Zone of
Backflow Risk
30 mm
Minimum
Toilet or Bidet
FC5
Hand Basin
FC3
Bath or Shower
Tray FC3
Electric
Shower
25 mm
Minimum
25 mm Minimum
17. A water treatment device should be installed where the water hardness may
exceed 200 ppm. Malfunctions caused by excessive limescale formation are
not covered by this shower’s guarantee (see back page for details).
18. The installation must not cause the hose to be sharply kinked during normal
use.
19. DO NOT perform the electrical installation until the plumbing has been completed
and checked for leaks.
Hose retaining ring tted and shower ttings xed at a suitable height
preventing dirty water backow
Note: There will be occasions when the hose retaining ring will not provide
a suitable solution for Fluid Category 3 installations, in these instances
an outlet double check valve must be tted, this will increase the required
supply pressure typically by 10kPa (0.1 bar). Double check valves tted in
the inlet supply to the appliance cause a pressure build up, which a󰀨ect
the maximum static inlet pressure for the appliance and must not be tted.
For Fluid category 5 double check valves are not suitable.

11 1062246-W2-N
Plumbing and Electrical Schematic
Electrical
1. The electrical installation must comply with BS 7671 (commonly referred to as
the IEE Wiring Regulations) and all relevant building regulations, or any particular
regulation or practice specied by the local electricity supply company.
2. Ensure that all circuit protection devices, switches and cabling is adequate
for the rated current of the shower and that the rating of the electricity supply
company fuse and the consumer unit are adequate for the additional demand.
3. The shower must be earthed. Ensure any supplementary bonding complies
with the relevant regulations.
4. This shower is intended to be permanently connected to the xed electrical wiring
of the mains system. A separate supply must be provided from the consumer
unit to the shower.
5. DO NOT supply any other electrical equipment including extractor fans or pumps
via this product.
6. This shower must be provided with means for local disconnection that is
incorporated into the xed wiring in accordance with the relevant local wiring
regulations. This must be a double pole switch, which has at least 3 mm contact
separation in each pole. The switch can be a ceiling mounted pull-cord type
within the shower room or a wall mounted switch tted in the applicable zone
area.
7. A 30mA Residual Current Device (RCD) must be incorporated into the electrical
supply to this shower in accordance with wiring regulations.
8. DO NOT apply excessive force to the terminal block.
9. All electrical connections should be checked for tightness to prevent overheating
before switching on the electrical supply.
10. DO NOT switch on the electrical supply until the plumbing has been completed
and checked for leaks.
Double-pole
Isolating Switch
Consumer Unit

121062246-W2-N
Determine the direction and route
of the incoming water supply:
falling (entering the shower from
the top), or rising (entering the
shower from the bottom).
Note: - DO NOT use an incoming
supply entering the shower directly
from the back. Add an elbow to the
supply pipe and connect it as a
rising or falling supply.
Swivel the inlet connector assembly
to suit. Remove the inlet blanking
cap. Avoid trapping the green earth
bonding wire.
Warning! Turn o󰀨 the electrical and water supplies before proceeding with
the installation of the shower. The electricity must be turned o󰀨 at the mains
and the appropriate circuit fuse removed, if applicable.
Note: An installation template is supplied to help you install the shower.
Remove the three cover retaining
screws, the cover and the service
tunnel.
Installation of Mira Galena
Wall xings are not supplied. For solid wall structures a red rawl plug and a
no. 8 x 1½” countersunk brass or stainless steel screw should be used. For other
wall structures such as panels alternative xings may be required. A minimum of 3
xing screws should be used.
Note: DO NOT use an
incoming supply entering the
shower directly from the back.
Add an elbow to the supply
pipe and connect it as a rising
or falling supply.
Caution! Handle the cover
assembly with care.
Cover
Cover Retaining
Screw
Inlet
Connector
Installation

13 1062246-W2-N
Before tting the cover, make sure that the appropriate cutouts have been removed
to suit the supply entering the product.
Thoroughly ush the mains-fed cold water supply pipe. The supply must be
clean and free from debris BEFORE connecting the appliance.
To ush the pipework, turn on the water supply and drain a minimum of 10 litres (2
gallons) of water into a bucket or catchment area. Turn o󰀨 the water supply.
An installation template is supplied to help you install the Mira Galena.
Put the installation template on the wall and mark through the positions of the
xing holes. Ensure the position of these holes do not come in line with any buried
cables or pipework. Make sure that su󰀩cient electrical supply cable is available for
connection to the terminal block.
Drill and plug the top two xing holes. Secure the appliance to the wall with appropriate
screws. Drill the bottom xing hole with the product in place. Alternative xings (not
supplied) may be necessary for some wall structures. Avoid drilling into any supply
cable/pipe.
Install the mains-fed cold water supply
pipe. Do not overtighten.
(See Plumbing Installation Requirements).
Feed cable into Case. Fit Earth sleeve (not
supplied) and strip insulation.
Do not twist cable cores.
Important! Make sure
that the inlet earth wire is
routed as shown. Failure
to do so may cause
product malfunction.

141062246-W2-N
Firmly connect the conductors. Do not
exert strain on the terminal block.
L = BROWN
E = GREEN/YELLOW
N = BLUE
Ret the Service Tunnel and Cover. Make
sure they t correctly. Do not overtighten
screws.
Do not use alternative screws to secure the
Cover. This can cause internal damage to
the appliance.
Do not seal around the back of appliance.
When tting the cover, position the controls
to correspond with the internal drive
features as shown.
Caution! Handle the cover
assembly with care.
Cover
Cover Retaining
Screw

15 1062246-W2-N
Cold Water Supply
Pipe (Bottom Entry)
Service Tunnel
Fixing Screw
Holes For Cover
Retaining Screws
Case Insert
Electrical
Supply Cable
Terminal
Block
Inlet Connector
Assembly
Heater Tank

161062246-W2-N
Commissioning
Before carrying out the commissioning procedure install the Shower Fittings,
refer to the Shower Fittings Installation and User Guide.
If you are unsure how an electric shower works, please read through the section
“User Instructions” before continuing.
Turn control to full cold. Turn the water supply
fully on.
Check for water leaks. Set control to ‘I’. Switch on electrical supply.
Press the ‘Start/Stop’
button.
Water will be at full force
and at a cool temperature.
Turn the control slowly.
Temperature remains cool
and ow is reduced
Electrical supply is turned
o󰀨 at the mains.
0 - 5 Secs
1.
4.
3.2.
6.5.
9.8.7.

17 1062246-W2-N
Note: A slight hissing sound may be heard from the Mira Escape during
operation. High mains water pressure and high shower temperatures will
a󰀨ect the tone. This is quite normal in use.
Turn control to full cold. The temperature will rise
slightly.
Set control to ‘II’.
0 - 10 Secs
12.11.10.
The temperature will rise further.
Adjust temperature as required.
Flow rate will adjust automatically.
The shower will purge
from its tank for a few
seconds.
Residual water may drain
over a few minutes.
Set control to ‘III’.
5 - 10 Secs
0 - 5 Secs
13.
15.
14.
16.
Press STOP.
18. 19.17.
Isolate power.
_
+
_
+

181062246-W2-N
User Instructions
How Your Electric Shower Works
The warmer the shower, the lower the ow
rate and vice versa.
Heated water is produced by adjusting the ow
of cold water passed through a heater tank.
The shower has three heater settings.
_
+
COLD
_
+
_
+

19 1062246-W2-N
The shower's top priority is to keep the desired water temperature constant. Electric
showers with thermostatic control are able to keep a stable temperature across the
range from hot to cold, whilst also dealing with uctuations in electrical and water
supplies. As a result, there is a temperature limit the shower cannot go beyond. For
safety, this temperature is factory set and cannot be adjusted to make the shower
hotter or colder.
Thermostatic (Temperature-Stable)
THERMOSTAT IC
ELECTRIC
SHOWER
ORDINARY
ELECTRIC
SHOWER

201062246-W2-N
Using your Shower
Read the section “User Safety Information” rst.
Note: At the end of every shower make sure that the shower head points
into the catchment area. A small amount of water may be retained in the
shower handset after the shower has been turned o󰀨. This may drain over
a few minutes.
Press the ‘Start/Stop’ button.
2.
Switch on electrical supply.
1.
Set to desired position.
3.
Residual water may drain
over a few minutes.
8.
4.
Check water temperature before
entering shower.
5.
Allow 10 - 15 seconds for any temperature adjustments to reach the handset.
6.
Press STOP button.
Shower will continue to run
for a few seconds before
stopping.
7.
Isolate power.
_
+
_
+