These instructions must be left with the user
Installation Guide
Mira Jump
7.5, 8.5, 9.5 and 10.8 kW Electric Shower
1224546-W2-D
For SPARES, ADVICE
or REPAIRS
Please call us on
0844 571 5000
(UK Only)
Mira Sprint
8.5, 9.5 and 10.8 kW Electric Shower
COMMISSIONING
SERVICING
© Kohler Mira Limited, May 2017
Mira is a registered trade mark of
Kohler Mira Limited.
The company reserves the right to alter
product specifications without notice.
FM 14648
CUSTOMER SERVICE
The guarantee applies solely to the original installation under normal
use and to the original purchaser only. The product must be installed
and maintained in accordance with the instructions given in this guide.
Servicing must only be undertaken by us or our appointed representative.
Note!
If a service visit is required the product must be fully installed and
connected to services.
Repair under this guarantee does not extend the original expiry date.
The guarantee on any replacement parts or product ends at the original
expiry date
For shower fittings or consumable items we reserve the right to supply
replacement parts only.
The guarantee does not cover:
Call out charges for non product faults (such as damage or performance
issues arising from incorrect installation, improper use, inappropriate
cleaning, lack of maintenance, build up of limescale, frost damage,
chemical attack, corrosion, system debris or blocked filters) or where no
fault has been found with the product.
Water or electrical supply, waste and isolation issues.
Compensation for loss of use of the product or consequential or indirect
loss of any kind.
Damage or defects caused if the product is repaired or modified by persons
not authorised by us or our appointed representative.
Accidental or wilful damage
Products purchased ex-showroom display.
What to do if something goes wrong
If your product does not work correctly refer to this manual for fault diagnosis
and check that it is installed and commissioned in accordance with our
instructions.
If this does not resolve the issue, contact us for help and advice.
Extended Guarantees
A selection of protection plans are available that enable you to cover repair
bills (excludes Eire). Ring 01922 471763 for more details.
Guarantee
Your product has the benefit of our manufacture’s guarantee which starts from
date of purchase. This guarantee only applies in the United Kingdom and
Republic of Ireland. To activate this guarantee, please return your completed
registration card, visit our website or free phone 0800 0731248 within 30 days
of purchase (UK only).
Within the guarantee period we will resolve defects in materials or
workmanship, free of charge, by repairing or replacing parts or product as
we may choose.
This guarantee is in addition to your statutory rights and is subject to
the following conditions:
Helpdesk Service -
Contact our Customer Services Team for
product advice, to purchase spare parts or accessories or to set
up service visit. You can contact us via phone or e-mail - contact
details below. Please provide your model name, power rating (if
applicable) and date of purchase.
Mira Showers Website (www.mirashowers.co.uk)
Visit our website to register your guarantee, download user
guides, diagnose faults, purchase our full range of accessories
and popular spares, or request a service visit.
Spares and Accessories -
We hold the largest stocks of genuine
Mira spares and accessories. Contact us for a price or visit our
website to purchase items from our accessory range and popular
spares. (Only available in the United Kingdom).
Service/Repairs -
No one knows our products better than our
nationwide team of Service Technicians. We can carry out service
or repair work to your product both during and after the guarantee
period (Only available in the United Kingdom and Republic of
Ireland). Ask about our fixed price service repairs.
To Contact Us
0844 571 5000
Fax:
01242 282595
E-mail:
www.mirashowers.co.uk/contactus
Mira Customer Services Dept
Cromwell Road, Cheltenham,
Gloucestershire
GL52 5EP
To Contact Us: Eire Only
01 531 9337
E-mail:
WARNING
There are no user serviceable parts inside the shower.
Servicing of the shower must only be carried out by qualified,
competent personnel following the instructions provided in this
guide and those provided with any spare part.
Before replacing any parts, ensure that the underlying cause of
the malfunction has been resolved.
Cleaning the Inlet Filter
Warning!
Isolate the electrical and water supplies before removing
the cover.
Remove the cover.
Remove the elbow from the
inlet connector.
Note!
Depending on your
installation it may be necessary
to remove the shower from the
wall to allow filter removal.
In this case isolate all supplies
and follow steps 6 - 8 in reverse
order as detailed in section:
‘INSTALLATION’
.
Inlet Filter
Inlet
Connector
Prise the filter from the inlet
connector assembly.
Rinse the filter under a
running tap to remove
any lodged particles. If
necessary, use a kettle
descalent in accordance
with the manufacturer’s
instructions. Refit the inlet
filter and follow steps 7 and 10
as described in section:
‘INSTALLATION’.
Note!
If the shower was removed from the wall, steps
6, 7, 8 and 10 will need to be followed as described in section:
‘INSTALLATION’.
Follow the steps detailed in section:
‘COMMISSIONING’
to prepare
the shower for use.
No water or very
low flow rate
The heater tank is
excessively scaled
Replace the heater
tank assembly
The inlet filter is
blocked
Clean the inlet filter
The fuse is blown
or the MCB / RCD has
been tripped, indicating
a possible electrical
fault; for example,
heater tank element
failure
Switch on the power at
the double pole switch
The on / off switching
assembly is faulty
Replace on / off switching
assembly
The start / stop switch
is faulty
Replace start / stop switch
The solenoid coil is
faulty
Replace solenoid coil
Water leaks from
the bottom of the
case near the
outlet and there is
no flow from the
showerhead
The pressure relief
valve in the tank has
been triggered (usually
due to a blocked
outlet), when the relief
valve operates a small
rubber ball is ejected
Resolve the blocked
outlet and replace the
heater tank assembly
The water cannot
be turned off
The on / off switching
assembly is faulty
Replace on / off switching
assembly
The start / stop switch
is faulty
Replace start / stop switch
The supply pressure
is below the minimum
required
Check the static water
pressure. Note that the
static water pressure may
fall below the minimum
requirement when other
appliances are drawing
water, for example the
dishwasher or the washing
machine
Adjust temperature as required.
Note!
Flow rate will reduce
when temperature setting is
increased.
Temperature will rise further.
Turn power control to High.
Temperature will rise slightly.
5 - 10 secs
COLD
HOT
10
9
5 - 10 secs
COLD
HOT
7
8
Water flows freely within a few
seconds, temperature remains
cool
Turn power control to Eco.
COLD
0 - 15 secs
HOT
Push START/STOP button.
Switch on the electrical supply.
5
6
4
3
1
2
Turn temperature control to the
cold position.
Turn power control to low.
Use the terminal block location
that is most appropriate for
your installation i.e. If the
electric supply is on the right
hand side then use the right
hand terminal block.
Strip back sufficient outer
cable insulation to enable
routing to the terminal block.
Fit an earth sleeve to the
earth wire.
Insert the wires into the
terminal block.
Tighten the screws in the
terminal block, ensure the
wires are secure and tight.
For falling or rising supplies
the cover has thinned sections
on the top and bottom that can
be removed to allow entry of
the supply pipe and electrical
cables.
Cover
Screw
Screws
Thinned
Section
Ensure the earth bonding complies with relevant regulations.
L
(Live) = Brown wire
(Protective Earth) = Green /Yellow sleeved wire
N
(Neutral) = Blue wire
8
Ensure the control dials are
aligned with the spindles and
replace the cover.
Tighten the three cover
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
.
Install the shower fittings (Refer to the Shower Fittings
Installation and User Guide packed with the product).
The shower must be commissioned before use, please
refer to section:
‘COMMISSIONING’
.
This completes the installation.
9
10
11
12
13
Terminal
Block (LH)
Terminal
Block (RH)
Warning!
There are no user serviceable components beneath the
cover of the appliance. In the event of a malfunction of the shower,
the troubleshooting information below provides details on possible
causes and remedies that may be carried out by qualified, competent
personnel. Non-qualified personnel should refer to the fault diagnosis
section in the users guide.
FAULT DIAGNOSIS
Symptom
Possible Cause
Possible Remedy
No hot water from
the shower, with
the controls in
ECO/HIGH
position
Insufficient water
supply pressure
Contact local water
authority
Failure of the
microswitch or thermal
switch
Check the continuity
of the switches, using
a suitable continuity
measuring device.
Replace the switches as
necessary
An internal wiring
connection has failed
Check the integrity of the
internal wiring
One of the heater tank
elements has failed
Replace the heater tank
assembly
Switch assembly fault
Replace On / Off switching
assembly
The shower
temperature
cycles between
hot and cold with
power control in
ECO/HIGH
The hose or
showerhead is
blocked
De-scale showerhead,
check hose for kinks or
damage and replace if
necessary. Refer to the
User Maintenance section
of the user guide
The temperature is
set too high. This is
causing the thermal
switch to turn off the
heating element to
reduce the water
temperature
Turn the temperature
control anticlockwise
to reduce the water
temperature or turn the
power control to ECO.
DO NOT TAMPER with
the thermal switch
Turning the
temperature
control does not
affect the water
temperature
The flow regulator is
faulty
Replace the heater tank
assembly
The hose or
showerhead is
blocked
De-scale showerhead,
check hose for kinks or
damage and replace if
necessary. Refer to the
User Maintenance section
of the user guide
No water or very
low flow rate
The hose or
showerhead is
blocked
De-scale showerhead,
check hose for kinks or
damage and replace if
necessary. Refer to the
User Maintenance section
of the user guide
The incoming water
supply stop valves, or
the appliance isolating
valve is closed
Open the stop/isolating
valve completely
Insufficient water
supply pressure
Contact the local water
authority
Power LED does
not illuminate
when the pull cord
is operated
Electrical supply failure
(MCB, pull cord etc.)
Check electrical supply
Power LED faulty
Replace the wiring loom
Note!
A slight hissing sound may be heard from the shower
during operation. High mains water pressure and high shower
temperatures will affect the tone. This is quite normal in use.
A small amount of water may
continue to drain over a few
minutes.
13
11
12
Switch off the electrical supply.
Push START/STOP button.
WIRING DIAGRAM
ACCESSORIES
Genuine Mira accessories can be purchased direct from Customers
Services (our contact details can be found on the back cover of this
guide) or from approved stockists or merchants.
Inlet Pipe Accessory
1788.443
Designed to simplify the
retrofitting of a Mira shower
onto existing pipework.
Note!
Some adjustment of pipe
length may be necessary.
SPARE PARTS
1693.331
Component Pack (Not illustrated)
1788.436
Screw Pack (Not illustrated)
1788.424
Mira Jump Cover Assembly
1788.425
Mira Sprint Cover Assembly
1788.439
Outlet
Connector
1789.085
Latching
Switch
1788.437
Terminal Block
Assembly
1788.435
Inlet Filter
1788.434
Solenoid Coil
1788.429
On / Off Switching
Assembly
1746.436
Thermal
Switch
1788.433
Valve Clamp
N
E
L
MICROSWITCH
(LEFT)
MICROSWITCH
(RIGHT)
BLUE
GREY
BLUE
BROWN
BROWN
BROWN
GREEN
RED
RED
BROWN
BROWN
BLUE
BLUE
GREEN
BLUE
BROWN
BLUE
RED
N
E
L
GREEN
BROWN
BLUE
BLUE
TERMINAL
BLOCK
TERMINAL
BLOCK
LED
START /
STOP
SOLENOID
HEATER
TANK
1788.438
Earth Terminal
Block Assembly
1788.440
Wire Loom
and LED
1788.478 (7.5kW)
1788.426 (8.5kW)
1788.427 (9.5kW)
1788.428 (10.8kW)
Heater Tank
Assembly
(includes
microswitches)
