Mira vigour User manual
1
POWER SHOWER
These instructions are to be left with the user
Thermostatic
THERMOSTATIC
Installation and User Guide
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2
CONTENTS
Introduction .............................................................................................3
Patents ................................................................................................. 3
Important Safety Information .................................................................3
Warning! ............................................................................................... 3
Caution! ................................................................................................ 4
Pack Contents .........................................................................................5
Dimensions ..............................................................................................6
.......................................................................................... 7
Installation Requirements ......................................................................8
Installation ...............................................................................................9
General................................................................................................. 9
Electrical...............................................................................................9
Plumbing ............................................................................................ 10
Commissioning ..................................................................................... 17
Maximum Temperature Setting ..........................................................18
Disabling the Temperature Override Button ....................................... 20
Operation ...............................................................................................21
Fault Diagnosis......................................................................................22
Fault Diagnosis - User Maintenance ..................................................22
Fault Diagnosis - Installer Maintenance .............................................23
Maintenance...........................................................................................25
Cleaning .............................................................................................25
Handset .............................................................................................. 25
Spare Parts ............................................................................................26
Customer Service..................................................................................28
3
The Mira Vigour Thermostatic Power Shower is an all-in-one power shower with
mixer incorporates a wax capsule sensing unit.
Designed to be surface mounted, the Thermostatic Power Shower comes complete
Patents
Patents GB: 2 340 210, 2 392 223, 2 392 224, 2 392 225
USA: 7 240 850
Patent Applications Euro: 03254070.0
INTRODUCTION
IMPORTANT SAFETY INFORMATION
Warning!
1.
instructions and recommendations.
2. THIS APPLIANCE MUST BE EARTHED. MAKE SURE SUPPLEMENTARY
BONDING COMPLIES WITH THE “REQUIREMENTS FOR ELECTRICAL
INSTALLATIONS”.
Regulations in force at the time of installation, the Appliance is intended to be
3. DO NOT CONNECT THE APPLIANCE TO A MAINS-FED WATER SUPPLY.
Such a connection will damage the Appliance, and is not covered under the
manufacturer’s guarantee.
4.
5. DO NOT
using again.
6. DO NOT
be required before the Appliance can be safely used.
7. DO NOT allow the Appliance to be run dry.
8. DO NOT
by Mira Showers should be used.
9. There are no user serviceable components beneath the cover of the Appliance.
Only a competent trades person should remove the cover.
4
10. Turn off the electrical and water supplies before removing the cover. The electricity
must be turned off at the mains and, if applicable, the appropriate circuit fuse
removed.
11. Mains connections are exposed when the cover is removed.
12. Moving parts are exposed when the cover is removed.
13. Isolate the electricity and water supplies and refer to “To contact us
page of this guide, if any of the following conditions occur:
The case is damaged
The Appliance shows signs of a distinct change in performance, indicating a
need for maintenance
14.
Caution!
1. Read all of these instructions and retain this guide for later use.
2. Pass on this guide in the event of change of ownership of the installation site.
3. Follow all warnings, cautions and instructions contained in this guide.
4. Follow all warnings, cautions and instructions contained on or inside the
appliance.
5. The electrical installation must comply with the “Requirements for Electrical
Installations” commonly referred to as the IEE Wiring Regulations, or any particular
at the time of installation. The installation should be carried out by an electrician or
contractor who is registered with, or is a member of an association such as:
throughout the UK
6. The plumbing installation must comply with Water Supply Regulations/Bye-laws
out by a plumber or contractor who is registered with, or is a member of an association
such as:
National Association of Plumbing, Heating and Mechanical Services Contractors
Scotland and Northern Ireland
7.
shower should be attended whilst showering. Particular consideration should be
operation of the controls.
8. When the 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.
5
PACK CONTENTS
1 x Thermostatic Power Shower
4 x Case Inserts
1 x Flow Control Knob
1 x Temperature Control Knob
1 x Temperature
Indicator Trim
3 x Rubber Feet 1 x Push-Fit Release Tool
3 x Rubber Wall Plugs
3 x Fixing Screws
1 x Installation and User Guide
1 x Guarantee Registration Document
6
DIMENSIONS
All dimensions are nominal and in millimetres.
310
66
28
210
28
20
20
130
80
88
7
Electrical
Power supply
Electrical Connections
2.
Power Consumption - 150 W maximum.
Plumbing Connections
Inlet Connections
Outlet Connection - 1/2” BSP male.
Operating Parameters
Cold water temperature - Maximum inlet temperature 30 °C
Hot water temperature - Maximum inlet temperature 65 °C
Warning! For safety reasons set the maximum temperature of the stored hot water to
requirements and will minimise the deposition of scale in hard water areas.
Temperature Control - The maximum temperature stop is set to 41 °C. Depressing
the override button overrides the maximum temperature and allows the showering
temperature to be increased by 5 °C to approximately 46 °C.
The showering temperature will be maintained to within 1 °C of selected temperature
with a 10 °C change in the hot or cold water supply.
levels in approximately 2 seconds. The hot supply must be at least 12 °C above the
blend temperature for shut down to seepage to occur.
The showering temperature will be maintained to within 1.5 °C of the selected showering
temperature when the pressure between inlet and outlet is halved on either the hot
or cold side.
Operating pressure
Minimum maintained pressure - 0.1 kPa (0.01 bar) or 100 mm head of water.
Maximum maintained pressure - 50 kPa (0.5 bar).
Maximum static pressure - 100 kPa (1 bar) or 10 m head of water.
Duty Cycle - The Mira Vigour Thermostatic Power Shower pump is now continuously
temperatures become too high due to abnormally high supply voltages.
Noise - The acoustic noise from the pump motor has been reduced with the use of
will also affect the perceived noise level; solid walls will provide a quieter operation.
Standards
The Mira Vigour Thermostatic Power Shower complies with all relevant directives for
SPECIFICATIONS
8
Gravity Fed system - The shower MUST be fed from a cold water cistern and hot
water cylinder providing nominally equal pressure.
INSTALLATION REQUIREMENTS
10 m Maximum
80 mm Minimum
30° - 60°
9
INSTALLATION
General
1. Do not
2. Do not
3. Isolate electrical and water supplies before proceeding with the installation of
the shower unit.
4. The shower unit must be fed from a cold water storage cistern and hot water
cylinder with equal pressures. The shower unit must not be connected to a mains
cold water supply, unvented high pressure systems or multipoint/combination
gas water heaters.
5. The installation must be carried out by a competent installer.
6.
between the spillover level of the shower tray/bath and the handset, to prevent
7.
of the hose.
8. The shower unit is designed for surface mounting only and must not be recessed
into any wall or cavity, or tiled up to, as this prevents air circulating to the rear
of the unit.
Electrical
1. The shower unit must be earthed by connecting the supply cable earth
conductor to the earth terminal.
Supplementary bonding: Within the bathroom or shower room, all accessible
conductive parts of electrical equipment and extraneous conductive parts that
2 if the cable is not mechanically protected
2
2. Power supply cable must
3. Power supply mustmust be double
pole switched, fused at 3 Amps, with at least a 3 mm contact separation gap to
each pole.
4. Do not turn the electrical supply on until all plumbing connections have been
made and the shower unit has been commissioned as the unit must not be
operated dry.
5. must
consumer unit or a separate unit.
6.
10
Plumbing
1. A minimum
being run dry.
2. must be such that nominally equal inlet supply
pressures are achieved and the effects on the shower performance of other
draw-offs are minimised.
the water supply.
3. Avoid routing the high level hot feed pipe upward to the same level as the cold
4. Do not
may damage plastic components.
5. Do not use jointing compounds on the shower unit joints, they may cause
damage to the mechanism inside.
6. Do not
7. The supply pipe ends must be free from burrs, as these will damage the push
8. Do not
9.
10. 15 mm polythene plastic pipe suitable for hot water may be used to supply the
shower unit, but internal pipe supports must be used.
11. Supplies must be
the shower unit.
12.
11
Warning!
installations have been completed.
1. Decide on a suitable location for
the shower unit avoiding buried
cables and pipes. The unit should be
positioned at a height convenient for
The handset should spray away from
the shower unit, either down the
centre line of the bath or across the
when the hose retaining ring is placed
on the lowest position on the slide bar,
the handset does not fall below the
minimum clearance gap, between
the bath or shower tray spillover level
of 25 mm.
2. Hot and cold inlet supply connections
are:
Hot – Left Cold – Right
Run the hot and cold water supply
that the pipe ends project 30 mm into
the inlet manifold.
Warning! Supply connections must
not be connected in reverse.
Caution! Do not use stainless steel
Caution!
plated remove all traces of chrome
from the connecting surfaces. If the
chrome is not removed then the
inlet manifold collets will not grip the
supply pipe.
25 mm Minimum
Spillover level
Hose Retaining Ring
All dimensions in millimetres
275
28
30
30
H C
12
3.
free
from burrs, which will damage the
inlet manifold seals.
Chamfer the end of the pipe to assist
the ‘O’ seal tearing.
Warning! Do not
result in injury.
Caution! Thoroughly flush the
incoming hot and cold water supply
pipes to remove debris before
connecting the shower unit.
4. Run the electrical supply cable in
approximately 30 mm of outer cable
insulation.
5. Loosen the three cover securing
screws and remove the shower unit
cover.
Note! The cover securing screws
are captive and should not be
unscrewed fully from the unit case.
6. Insert the push-fit release tool
plug and the inlet manifold collet
and lever the plugs outward. Whilst
hand.
Chamfer
Trim the thinned section of
the case covering the cable
channel.
Release Tool
Inlet Manifold
Collet
Securing
Screws
Securing Screw
13
7. Temporarily locate the shower unit.
8. Position the shower unit on the wall
Note! Installers may wish to obtain
for dry lined, stud partition or dry
partition wall structures.
9.
the grey collars into the manifold to
release the shower unit from the
supply pipes.
Warning!
points before drilling.
10.
plugs supplied.
11. Cut away and trim the thinned
section at the top or bottom of the
case to allow the electrical supply
cable to run down the rear of case.
Fixing Points
14
12. Fit the three rubber feet into the
recesses in the rear of the case
as shown. The feet will reduce the
noise transmitted by the power
shower through the wall.
Warning!
inside of the unit.
13.
case in the following manner.
Rubber Feet
plates to the top
and bottom of the
case.
plate to the bottom
of the case.
Fit the half
to the top of the
case.
Fit the half
the bottom of the
case.
plate to the top of
the case.
15
14. Locate the shower unit on the inlet
supplies and push the inlet manifold
felt.
DO NOT FORCE!
Note! PTFE tape or liquid jointing
compound must not be used and is
not required to assist connection.
15. The inlet manifold collet and ‘O’
seals will seal automatically.
Warning! The shower unit must
be fixed to the wall at all three
elongated to assist in vertical and
16. Screw the shower unit to the wall
using either the wall screws supplied
the wall structure.
Do not over tighten!
cable is correctly seated in the
17. Connect the live, neutral and earth
conductors of the electrical supply
following manner.
The earth supply cable must be
terminal connections are tight and
that no insulation is pinched.
18.
is set to the OFF position. Turn the
gear wheel anticlockwise until the
noise to indicate the gear drive is in
the OFF position.
Gear Wheel
16
19.
the three cover securing screws.
20.
OFF position.
21. Insert the temperature indicator trim
and the inner temperature control
22. The power thermostatic shower will
now require commissioning, refer to
COMMISSIONING.
23.
instruction manual supplied with the
Inner
Temperature
Control Knob
Temperature
Indicator Trim
OFF Position
17
COMMISSIONING
The unit must not be run dry. Before proceeding any further with the installation the
shower unit must be commissioned.
1.
of the shower unit.
Caution! Do not over tighten.
2.
3. Switch on the electrical supply.
4. Tu r n t h e o u t e r f l o w c o n t r o l
anticlockwise
5. Rotate the inner temperature control
supply.
6. clockwise to the
OFF position.
7. T h e s h o w e r u n i t i s n o w
commissioned.
Hose Washer
Hose
Outer Flow Control
Maximum
Flow Position
Outer Flow Control OFF Position
Inner Temperature
Control
Temperature Indicator
CoolerWarmer
18
Maximum Temperature Setting
least 12 °C above the required temperature for correct operation of the thermostatic
power shower.
To reset the maximum outlet temperature follow the sequence below :
1. Tu r n t h e o u t e r f l o w c o n t r o l
anticlockwise
2. Turn the inner temperature control
anticlockwise to the maximum
temperature stop. Do not depress
the override button.
3.
4. If the maximum temperature requires
adjustment then remove the outer
flow control, lever the outer flow
control and the inner temperature
shower unit.
5. Remove the small label covering the
retaining screw on the temperature
hub. Unscrew the retaining screw and
remove the temperature hub.
Note! This will void the factory
setting.
Outer Flow Control
Maximum
Flow Position
Temperature Hub
Retaining Screw
Temperature
Hub
Inner Temperature Control Knob
Maximum Temperature Position
19
Caution! When resistance is felt DO
NOT USE FORCE to turn the spindle any
further as this is the maximum shower
temperature obtainable with the available
hot water storage temperature. FORCE
will DAMAGE the internal components.
6. Turn the temperature spindle until the
maximum water temperature required
is obtained.
Warmer
Cooler
7. Insert the temperature hub with the pip
on the temperature hub aligned with
the slot on the thermostatic cartridge.
Secure the temperature hub with the
retaining screw.
8.
9. Insert the temperature indicator trim
and the inner temperature control
Caution! If resistance is felt when
turning the inner temperature control
DO NOT USE FORCE to
DAMAGE internal components.
10.
both directions.
11.
setting. If necessary repeat the
temperature adjustment until the
required temperature is achieved.
Inner Temperature Control Knob
Maximum Flow Position
Temperature Indicator Trim
Temperature Spindle
Align the pip on the
temperature hub with the slot in the
thermostatic cartridge.
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2
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