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Domina HP thermostatic mix shower .
er
For models: TMV81000
TMV81500
TMV81600
TMV91000
TMV91500
TMV91600
Installation and Operating Instructions
INSTALLERS PLEASE NOTE THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER
2180293A Mar 2000
Domina HP thermostatic mixer shower
Domina HP thermostatic mixer shower
CONTENTS
Page
Introduction
2
Safety warnings
2
Main components and pack contents
3
Site requirements
4
Temperature adjustment range
5
Preparing and siting of the shower
6
Installation – general
7
Installation – surface mount
8 - 11
Installation – flush mount
solid wall
hollow wall
cubicle or panel
12
13 - 14
15 - 16
17 - 18
Flushing procedure
19
Fitting the bulkhead
20
Fitting the riser rail and sprayhead
21 - 22
Commissioning
23 - 24
Operating the shower
24 - 25
Filter cleaning
25
Adjusting the sprayhead
26
Sprayhead cleaning
27
Maintenance
28 - 29
Spare parts
30 - 31
Fault finding
32 - 33
Guarantee, service policy, etc.
1
rear cover
Domina HP thermostatic mixer shower
INTRODUCTION
The valve is supplied with integral single check
valves and integral large area filter in each inlet
elbow.
This book contains all the necessary fitting and
operating instructions for your Triton HP mixer
shower. Please read them carefully. Read through
the whole of this book before beginning your
installation.
Inlet connections are by compression fittings for
15mm copper pipe.
This valve unit is supplied with a mounting
bracket to suit installation in a chased out cavity
in a solid wall, a stud partition wall, dry lined wall
or fixing to a shower cubicle or panel.
NOTE: The supplied bracket MUST be used to
mount the valve whatever type of flush
fitted installation is used.
The shower installation must be carried out by a
suitably competent person and in sequence of
this instruction book.
Care taken during the installation will ensure a
long and trouble free life from your shower.
For optimum performance within the specified
running pressure range a minimum flow of
8 litres per minute should be available to both
inlets.
SAFETY WARNINGS
Designed to operate on higher pressure systems
found in the U.K. up to a maximum of 5 bar
running pressure. The valve MUST NOT be
subjected to water temperatures in excess of
80°C.
The high pressure valve is suitable for fully
modulating type combination boilers and
multi-point hot water heaters. Also suitable
for thermal storage, unvented systems and
pumped gravity systems.
Important: Before installing with a gas
instantaneous water heater, ensure the
appliance is capable of hot water delivery at
a minimum switch on flowrate of 3 litres per
minute. At flow rates between 3 and 8 litres
per minute the appliance must be capable of
raising the water temperature by 45°C.
Water temperature at the inlet to the mixer
must remain relatively constant when
flowrate adjustments are made.
1
Layout and sizing of pipework must be such
that when other services are used, pressures
at the shower control inlets do not fall below
the recommended minimum.
2
DO NOT choose a position where the shower
could become frozen.
3
The outlet of this appliance must not be
connected to any form of tap or fitting not
recommended by the manufacturer.
4
The sprayhead must be cleaned regularly to
remove scale and debris.
5
Conveniently situated isolating valves in each
inlet supply must be fitted as an independent
method of isolating the shower should
maintenance or servicing be necessary.
6
If it is intended to operate the shower in
areas of hard water (above 200 ppm
temporary hardness), a scale inhibitor may
have to be fitted.
7
If it is intended to operate the shower outside
the guidelines laid out in the requirements
then see NOTE below.
NOTE: In the event of items 2 and 7, contact
Triton Customer Service for advice.
Tel: (024) 7637 2222.
Replacement parts can be ordered from Triton
Customer Service. See ‘spare parts’ for details and
part numbers.
Due to continuous improvement and updating,
specification may be altered without prior notice.
2
Domina HP thermostatic mixer shower
MAIN COMPONENTS and PACK CONTENTS
3
Temperature disc
4
Flow control knob
5
Temperature control knob trim
6
Cover – flush mount
7
Cover – surface mount
8
Tiling shroud
9
Mounting bracket
Fig.1
1
2
3
40
30
20
Temperature control knob
10
2
60
Mixer valve body
50
1
4
10 Flat bracket – 2 off
5
11 Spray head
6
12 Bulkhead assembly
–
Riser rail kit
–
Flexible hose
–
Soap dish
–
Outlet fittings
–
Screw pack
–
Allen key
–
Flushing tool
–
Spanner
–
Spacers
7
8
9
10
11
12
3
Domina HP thermostatic mixer shower
SITE REQUIREMENTS
The installation must be in accordance with Water
Regulations and Byelaws.
Fig.2 (diagrammatic
view – not to scale)
Running water pressure:
HP mixer – min 1 bar
max 5 bar
Mixer valve
Maximum static water pressure:
HP mixer – 10 bar
For optimum performance within the specified
running pressure range a minimum flow of 8
litres per minute should be available to both
inlets.
Combination
boiler
Service
valves
Whilst the mixer valve is operational (open
outlet), inlet pressures must not be capable of
exceeding 7 bar. For effective operation of the
internal seals, the maximum static pressure must
not be exceeded.
Hot water
CH flow
Pressure
reducing
valve
NOTE: On sites where the running pressure is
above 5 bar, the use of a suitably sized pressure
reducing valve fitted in the cold mains supply
pipework can provide nominally equal pressures
at the mixer valve.
CH return
Cold mains supply
Stop tap
For optimum performance of this shower both
hot and cold water supplies to the shower valve
should be fed at nominally equal pressures.
Fig.3 (diagrammatic view – not to scale)
The pipework should be installed such that the
flow is not significantly affected by other taps and
appliances being operated elsewhere on the
premises.
Expansion
vessel
NOTE: Where thermal store systems and
instantaneous water heaters are used, if excessive
draw offs take place the boiler may not be able
to maintain an adequate output temperature.
This could result in the shower temperature
becoming noticeably cooler.
Hot supply
Service
valve
Mixer valve
Unvented
hot water
storage unit
(safety devices
not shown)
Water temperature requirements
Maximum hot water temperature = 80°C
Recommended maximum = 65°C
Service
valve
Minimum hot water temperature = 52°C
Maximum cold water temperature = 20°C
BS6700 recommends that the temperature of
stored water should never exceed 65°C.
A stored water temperature of 60°C is considered
sufficient to meet all normal requirements and
will minimise the affects of scale in hard water
areas.
Balanced cold mains supply
Pressure
reducing valve
Stop
tap
Cold mains supply
4
Domina HP thermostatic mixer shower
TEMPERATURE ADJUSTMENT RANGE
Fig.4
The mixed water temperature can be adjusted
from cold through to a top limit (which can be
pre-set during installation – factory set at
approximately 39°C), with full anti-scald
protection throughout the range.
(diagrammatic view – not to scale)
Fig.2 depicts a typical combination boiler
installation.
Fig.3 illustrates an unvented mains pressurised
hot water storage system.
Mixer
valve
Service
valves
Hot
water
Fig.4 illustrates a thermal storage indirect fired
hot water installation.
Blender
valve
DO NOT use jointing compounds on
pipework.
Pressure
reducing
valve
Return
Flow
Stop tap
Boiler
Cold mains supply
5
Domina HP thermostatic mixer shower
PREPARING THE MIXER VALVE
Fig.5
Trim
Check the contents to ensure all parts are
present.
Temperature
control knob
Screw
Ensure the supplied metal fixing bracket, tiling
shroud, spanner and allen keys are all to hand.
Temperature
disc
Before commencing the installation, make sure all
the apertures on the valve are carefully covered to
prevent ingress of any debris etc.
Flow
control
knob
The valve unit is supplied with a mounting
bracket to suit installation in a chased out cavity
in a solid wall, a stud partition wall, dry lined wall
or fixing to a shower cubicle or panel.
Circlip
The hot and cold water pipes should not be
permanently attached to the wall closer than 2m
from the valve prior to installation to allow for
final adjustment of the valve position.
The valve is supplied assembled except for the
temperature knob trim (fig.5) and cover plates
which are supplied separately.
Fig.6 (diagrammatic view – not to scale)
There is no need to remove the control knobs
until the pipework and installation are complete
and the cover plate is required to be fitted.
SITING OF THE SHOWER
WARNING: THE SHOWER MUST NOT BE
POSITIONED WHERE IT WILL BE SUBJECT TO
FREEZING CONDITIONS.
Refer to fig.6 for correct siting of the shower.
Height of
sprayhead
and shower
to suit user’s
requirement.
Position the shower and sprayhead on the wall so
that all controls can be comfortably reached
whilst using the shower. The spray head and riser
rail can be positioned either side of the shower.
Riser rail can
be mounted
either side of
the mixer valve.
Important: The hot entry port is on the left
hand side of the valve and is marked on the
valve with a letter ‘H’ (fig.7).
6
Domina HP thermostatic mixer shower
INSTALLATION
General conditions
NOTE: The outlet of the shower must not be
connected to any tap or fitting not recommended
by Triton.
DO NOT use jointing compounds on any pipe
fittings for the installation.
Use only the compression fittings supplied.
DO NOT solder fittings within the vicinity of the
valve unit as heat transfer can damage the seals
and thermostatic components.
NOTE: Suitable isolating valves (complying with
Water Regulations and Byelaws) MUST be fitted
on the hot and cold water supplies to the shower
as an independent means of isolating the water
supplies should maintenance or servicing be
necessary.
When connecting pipework avoid using tight 90°
elbows. Swept or formed bends will ensure
optimum performance.
IMPORTANT: The water circuit should be installed
such that the flow is not significantly affected by
other taps and appliances being operated
elsewhere on the premises. Water pressure must
not fall below specification of the shower.
The hot water pipe entry must be on the
left.
IMPORTANT: THE INLET ELBOWS CONTAIN
CHECK VALVES THAT MAY BE DAMAGED IF
DEBRIS IS NOT FLUSHED THROUGH PRIOR TO
FITTING. A flushing tool is supplied.
The swivel elbows allow for either rising, falling
or rear entry hot and cold water supplies. Note
the swivel elbows have ‘O’ seals to the body and
do not require PTFE tape or other means of
sealing.
Instantaneous water heaters
A flow limiter is supplied for insertion into the
sprayhead which controls the maximum flow
through an instantaneous water heater and the
shower valve to 8 litres per minute. To fit the flow
limiter, unscrew the sprayhead from the hose.
Insert the flow limiter, flat face up, into the end
of the sprayhead (fig.8). Refit the sprayhead to
the hose.
With the flow limiter fitted and when the system
is in use, the on/off flow control should be turned
fully anti-clockwise to the full flow setting.
Fig.7
Fig.8
7
Domina HP thermostatic mixer shower
SURFACE-MOUNTED
Fig.9
Rising or falling supplies
Complete the pipework to the shower area
having decided on the position of the shower and
direction of pipe entry.
NOTE: The final separation between pipe centres
needs to be between 150mm and 155mm but
absolute accuracy is not essential as the inlet
elbows have a minimal adjustment.
Pipe trim
deeper section
FLUSH THE PIPEWORK TO CLEAR THE
SYSTEM OF ALL DEBRIS AND CHECK FOR
LEAKS.
Important: The inlet elbows contain check
valves that may be damaged if debris is not
flushed through prior to fitting. Where this is
not possible refer to the flushing procedure.
Fig.10
Pipe
Clip the pipework to the wall surface so that the
pipe centres are 21mm off the wall.
centr
e
153m s
m
Offer the valve, together with the inlet elbows, to
the pipework ensuring the inlet elbow grub
screws are slack allowing the inlet elbows to be
rotated to the correct orientation and move freely
in and out of the valve housing.
Long side
Slider trim
Ensure the valve housing is central between the
two pipes and mark the four fixing holes
although if installing to a solid brick wall, using
two diagonal holes usually will be sufficient.
Remove the valve. Drill and plug the holes using
the wall plugs provided.
Fit the slider trims to the pipe entry trims. Note
the pipe entry trims are handed – when the pipe
trims are finally positioned on the cover, the
deeper section of the trim is outermost (fig.9).
Fig.11
Pipe
ce
ter t ntres
han
153 m
m
grea
NOTE: The holes in the slider trims are offset to
allow for adjustable inlet pipe separation widths.
If the pipe centre separation is 153mm then have
the long side of the slider trims outermost
(fig.10).
Short side
Slider trim
If the pipe separation gap is greater than 153mm
or greater then have the short side of the slider
trims outermost (fig.11). Using fingers, the slider
trim can be rotated within the pipe trim.
Slide the pipe entry trims onto the pipes followed
by the inlet nuts and olives.
8
Domina HP thermostatic mixer shower
Having orientated the inlet trims correctly, refit
the valve to the pipework ensuring that the hot
inlet port (marked with the letter ‘H’ on the
valve housing) is connected to the hot
pipework which must be on the left.
Fig.12
Hose end
(flat)
Pipe end
(chamfered)
Secure to the wall with the screws supplied.
Tighten the inlet nuts and inlet elbow grub
screws.
Fit the outlet adaptor and ‘O’ ring into the
bottom outlet of the valve housing.
Ensure the adaptor is fitted with the PIPE END in
the valve housing (fig.12). Fit the blanking plug
and ‘O’ ring into the top outlet hole.
Connect the shower hose to the outlet and direct
to waste.
Open the isolating valves to the shower and flush
through ensuring that the flow control is opened
fully and the temperature control is rotated to
HOT and then to COLD.
Fig.13
Check for any leaks and remedy if necessary.
Slide the outlet blanking trim into the top outlet
on the cover (fig.13).
TURN OFF the water supplies.
Remove the central screw securing the
temperature control knob (fig.5). Lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow knob by rotating clockwise.
Fit the cover plate over the valve and secure with
the two screws.
Screw in the flow knob by rotating in a anticlockwise direction. Fit the circlip.
Fig.14
To ensure the temperature spline is in the fully
hot position, temporarily fit the temperature
control knob onto the spline and turn fully
clockwise. Remove the control and then fit the
temperature disc with the cut-out portion at the
bottom and ensure that it engages on the two
‘dogs’ (fig.14).
Spline
Fit the temperature control knob onto the spline.
Turn on the water supplies.
At this point, refer to the ‘commissioning
procedure’ in order to establish the correct
maximum shower temperature.
Cut-out
9
Domina HP thermostatic mixer shower
Rear entry supplies
Fig.15
m
32ma.
di
NOTE: The final separation between pipe centres
needs to be between 150mm and 155mm
(fig.15) but absolute accuracy is not essential as
the inlet elbows have a minimal adjustment.
m
5m
150
15
m-
m
9.5
mm
Using a spirit level, mark the route of incoming
hot and cold water supply pipes at a distance of
approximately 153mm centres.
Remove the plaster and brickwork to the required
depth to conceal the supply pipework.
NOTE: Pipework installed in solid walls must
be provided with sufficient free play inside a
cavity to enable entry into the inlet elbows
for tightening, prior to fixing the valve to
the finished wall surface.
Install the hot and cold pipework (the hot pipe
must enter from the left) ensuring that the
finished pipework projects from the front face of
the tiled surface of the wall by 9.5 mm (fig.16).
Fig.16
Pipe
trim
Inlet
nut
Allow for two circular recesses measuring 32mm
diameter by 14mm depth, to accept the rear
entry pipe trims (fig.15).
FLUSH THE PIPEWORK TO CLEAR THE
SYSTEM OF ALL DEBRIS AND CHECK FOR
LEAKS.
9.5
mm
Important: The inlet elbows contain check
valves that may be damaged if debris is not
flushed through prior to fitting. Where this is
not possible refer to the ‘flushing procedure’.
Make good the wall and complete the tiling
ensuring that the rear entry pipe trims are sealed
in with either silicon sealant or grouting.
NOTE: Failure to fit the rear entry pipe trims could
result in ingress of water into the wall cavity.
Offer the valve, together with the inlet elbows, to
the pipework ensuring the inlet elbow grub
screws are slack allowing the inlet elbows to be
rotated to the correct orientation and move freely
in and out of the valve housing.
Ensure the valve is central between the two pipes,
mark the four fixing holes.
Remove the valve. Drill and plug the holes using
the wall plugs provided or if fitting into a hollow
wall structure use suitable cavity wall fixings.
Using two hexagonal nuts (supplied), refit the
valve to the pipework ensuring that the hot
10
Domina HP thermostatic mixer shower
inlet port (marked with the letter ‘H’ on the
valve housing) is connected to the hot
pipework which must be on the left.
Fig.17
Tighten the inlet nuts with the spanner supplied
then tighten the inlet elbow grub screws.
Secure to the wall with the screws supplied.
Fit the outlet adaptor and ‘O’ ring into the
bottom outlet of the valve housing.
Ensure the adaptor is fitted with the PIPE END in
the valve housing (fig.12). Fit the blanking plug
and ‘O’ ring into the top outlet hole.
Connect the shower hose to the outlet and direct
to waste.
Open the isolating valves to the shower and flush
through ensuring that the flow control is opened
fully and the temperature control is rotated to
HOT and then to COLD.
Check for any leaks and remedy if necessary.
Fig.18
Slide the outlet blanking trim into the top outlet
on the cover (fig.17).
Slide the handed inlet blanking trims on the
underside of the cover (fig.18).
TURN OFF the water supplies.
Remove the central screw securing the
temperature control knob (fig.5). Lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow knob by rotating clockwise.
Fit the cover over the valve and secure with the
two screws.
Screw in the flow knob by rotating in a anticlockwise direction. Fit the circlip.
Fig.19
To ensure the temperature spline is in the fully
hot position, temporarily fit the temperature
control knob onto the spline and turn fully
clockwise. Remove the control and then fit the
temperature disc with the cut-out portion at the
bottom and ensure that it engages on the two
‘dogs’ (fig.19).
Spline
Fit the temperature control knob onto the spline.
Turn on the water supplies.
At this point, refer to the ‘commissioning
procedure’ in order to establish the correct
maximum shower temperature.
Cut-out
11
Domina HP thermostatic mixer shower
Depth from
wall surface
65 mm minimum
Fig.20
Tiles
FLUSH-FITTED
The mixer valve includes a mounting bracket
which allows the installer to mount the shower
into a solid, stud partition or other hollow wall
structures. The bracket can also be used for
fitting in a shower cubicle or panel providing the
back of the cubicle or panel is accessible.
When installing into a stud partition or other
hollow wall structure the installer may wish to
consider fabricating rear supports or other
options for fitting the mounting bracket. Such
options are beyond the scope of this guide.
NOTE: The bracket MUST be used for mounting
the valve.
Use the supplied tiling shroud as a guide when
cutting the aperture for installing the shower into
a solid wall, stud partition or hollow wall
structure.
No shims or 7 max.
as required
Varying tile
thickness
Before starting, ensure the available depth of
recess or cavity is at least 65mm measured from
the face of the wall upon which the mounting
bracket is screwed (excluding the tile thickness).
The allowance for varying thickness of tiles up to
10mm is accommodated by fitting the supplied
spacers between the valve body and the
mounting bracket (fig.20).
The following is given as a guide for the required
number of spacers for varying conditions:
Tile
Adhesive
Plaster skim
Plaster board
Fig.21
6 – 10 mm
2 – 3 mm
2 – 3 mm
9.5 – 12.5 mm
4 mm tiles = no spacers required.
6 mm tiles = 3 x 1mm spacer per side (6 total)
8 mm tiles = 5 x 1 mm spacer per side (10 total)
10 mm tiles = 7 x 1mm spacer per side (14 total)
NOTE: These are guideline quantities only.
For example, mounting the valve directly on to
the bracket with no spacers will allow 53mm
measured from the front face of the bracket to
the front of the housing where the cover plate
affixes (fig.21). This is provision for a 4mm tile
plus the skim and adhesive.
53mm for 4mm tile
Bracket
Maximum tile thickness to be 10 mm.
12
Domina HP thermostatic mixer shower
Solid wall
The building depth for the mounting bracket into
a solid wall is 65mm minimum.
Fig.22
Decide on the shower position and determine
whether the hot and cold water supplies will
enter the shower from the top (falling) or bottom
(rising) or rear. NOTE: For rear entry supplies, in
order to access the inlet elbow nuts (fig.22), it is
advisable to have the pipework rising or falling
from the elbows before routing to the rear.
Mark the route of the incoming and outgoing
pipework.
NOTE: The final separation between pipe centres
needs to be between 150mm and 155mm but
absolute accuracy is not essential as the inlet
elbows have a minimal adjustment.
As a guide for size of hole, place the tiling shroud
on the wall and trace around it. Remove the
plaster and brickwork to depth required and
chase out any additional areas of wall to facilitate
pipework to and from the valve.
Fig.23
Offer the mounting bracket up to the wall.
Centralise and mark the four outer plain holes
(fig.23). Drill and plug then screw the bracket to
the wall. NOTE: It is essential to use the mounting
bracket when installing the valve unit
Fit the outlet adaptor and ‘O’ ring into the top or
bottom outlet of the valve housing for connection
to the bulkhead. Ensure the adaptor is fitted with
the HOSE END in the valve housing (fig.24). Fit
the blanking plug and ‘O’ ring into the opposite
outlet.
Ensure the inlet elbows are orientated the correct
way. Offer the valve up to the mounting bracket,
and secure using the four screws provided.
Complete the pipework to the shower marking
off the length to enter the elbows. Sufficient free
play must be left in the pipework to allow for
adjustment of valve. Do not secure the pipes
within 2 metres of the valve.
Hose end
(flat)
Remove the valve and cut the pipes to length.
FLUSH THE PIPEWORK TO CLEAR THE
SYSTEM OF DEBRIS AND CHECK FOR LEAKS.
Important: The inlet elbows contain check
valves that may be damaged if debris is not
flushed through prior to fitting. Where this is
not possible refer to the flushing procedure.
13
Pipe end
(chamfered)
Fig.24
Domina HP thermostatic mixer shower
Refit the valve to the mounting bracket and
pipework. Tighten the inlet nuts and inlet elbow
grub screws.
Fig.25
Refer to ‘Fitting the bulkhead’ and complete
outlet pipework. Before making good and fitting
the bulkhead to the wall, connect the shower
hose and direct it to waste.
Open the isolating valves to the shower and flush
through ensuring the flow control is opened fully
and the temperature control is rotated to HOT
and then to COLD. Check for leaks and remedy if
necessary.
TURN OFF the water supplies.
Remove the central screw securing the
temperature control knob (fig.5). Lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow knob by rotating clockwise.
Fig.26
Spline
Make good the wall surface using the tiling
shroud supplied. Place the tiling shroud (fig.25)
over the mixer valve and secure temporarily using
the two cover plate screws. Plaster or tile up to
the edge of the shroud. NOTE: The tiles must be
accurately cut to match the profile of the shroud.
The cover plate will then accurately seal the hole,
and enable the valve unit to be removed from the
mounting bracket without the need to break any
tiles.
Ensure the grout lines are flush with the tiles in
order to provide a smooth sealing surface for the
cover plate. When complete, remove the tiling
shroud.
Fit the cover plate over the valve and secure with
the two retaining screws. DO NOT use silicon
sealer to secure the plate to the wall.
Screw in the flow control knob by rotating in a
anti-clockwise direction. Fit the circlip.
Cut-out
To ensure the temperature spline is in the fully
hot position, temporarily fit the temperature
control knob onto the spline and turn fully
clockwise. Remove the control and then fit the
temperature disc with the cut-out portion at the
bottom and ensure that it engages on the two
‘dogs’ (fig.26).
Fit the temperature control knob onto the spline.
Turn on the water supplies.
14
Domina HP thermostatic mixer shower
At this point, refer to the ‘commissioning
procedure’ in order to establish the correct
maximum shower temperature.
Fig.27
Hollow wall
The mounting bracket supplied with the shower
is suitable for use on a plasterboard wall of
between 9.5mm to 12.5mm thickness.
Decide on the shower position and determine
whether the hot and cold water supplies will
enter the shower from the top (falling) or bottom
(rising) or rear. NOTE: For rear entry supplies, in
order to access the inlet elbow nuts (fig.27), it is
advisable to have the pipework rising or falling
from the elbows before routing to the rear.
As a guide for size of hole, place the tiling shroud
on the wall and trace around it.
NOTE: The final separation between pipe centres
needs to be between 150mm and 155mm but
absolute accuracy is not essential as the inlet
elbows have a minimal adjustment.
Fig.28
Take out the plasterboard and offer the mounting
bracket up to the wall. Centralise and mark the
four outer plain holes (fig.28). Remove the
bracket and drill the wall.
Two additional flat ‘T’ brackets are supplied for
hollow wall fixing. Slide the ‘T’ piece section
through the slot either side of the mounting
bracket then insert it into the wall cavity and
position the two flat brackets in line with the
drilled holes (fig.29). Secure using the bolts
provided.
Fit the outlet adaptor and ‘O’ ring into the top or
bottom outlet of the valve housing for connection
to the bulkhead. Ensure the adaptor is fitted with
the HOSE END in the valve housing (fig.24). Fit
the blanking plug and ‘O’ ring into the opposite
outlet.
Fig.29
Ensure the inlet elbows are oriented the correct
way. Offer the valve up to the mounting bracket
and secure using the screws provided.
Complete the pipework to the shower marking
off the length to enter the elbows.
Remove the valve and cut the pipes to length.
Flat bracket
positioned inside
of panel
15
Domina HP thermostatic mixer shower
FLUSH THE PIPEWORK TO CLEAR THE
SYSTEM OF DEBRIS AND CHECK FOR LEAKS.
Fig.30
Spline
Important: The inlet elbows contain check
valves that may be damaged if debris is not
flushed through prior to fitting. Where this is
not possible refer to the flushing procedure.
Refit the valve to the mounting bracket and
pipework. Tighten the inlet nuts and inlet elbow
grub screws.
Cut-out
Refer to ‘Fitting the bulkhead’ and complete
outlet pipework.
Before making good, tiling and fitting the
bulkhead to the wall connect the shower hose
and direct it to waste.
Open the isolating valves to the shower and flush
through ensuring that the flow control is opened
fully and the temperature control is rotated to
HOT and then to COLD.
TURN OFF the water supplies.
Fig.31
Remove the central screw securing the
temperature control knob (fig.5). Lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow knob by rotating clockwise.
Panel thicker than
6.8 mm = spacers
required behind valve
Panel thinner than
6.8 mm = packing
required behind bracket
Panel thickness
6.8 mm = 0 spacers
Make good the wall surface using the tiling
shroud supplied. Place the tiling shroud (fig.25)
over the mixer valve and secure temporarily using
the two cover plate screws. Plaster or tile up to
the edge of the shroud. NOTE: The tiles must be
accurately cut to match the profile of the shroud.
The cover plate will then accurately seal the hole,
and enable the valve unit to be removed from the
mounting bracket without the need to break any
tiles.
Ensure the grout lines are flush with the tiles in
order to provide a smooth sealing surface for the
cover plate. When complete, remove the tiling
shroud.
Fit the cover plate over the valve and secure with
the two retaining screws. DO NOT use silicon
sealer to secure the plate to the wall.
Screw in the flow control knob by rotating in a
anti-clockwise direction. Fit the circlip.
To ensure the temperature spline is in the fully
hot position, temporarily fit the temperature
control knob onto the spline and turn fully
16
Domina HP thermostatic mixer shower
clockwise. Remove the control and then fit the
temperature disc with the cut-out portion at the
bottom and ensure that it engages on the two
‘dogs’ (fig.30). Fit the temperature control knob
onto the spline.
Fig.32
180 mm
Turn on the water supplies.
65
mm
At this point, refer to the ‘commissioning
procedure’ in order to establish the correct
maximum shower temperature.
Shower cubicle or panel
To use the wall mounting bracket supplied with a
shower cubicle or a laminated panel, the
thickness of the panel should be 6.8mm (fig.31).
This allows the valve to sit on the mounting
bracket without spacers. If the panel is thicker
than 6.8mm then spacers will have to be fitted
between the valve and bracket. If the panel is
thinner than 6.8mm then packing will have to be
fitted between the panel and bracket.
Decide on the shower position and determine
whether the hot and cold water supplies will
enter the shower from the top (falling) or bottom
(rising) or rear.
Mark the wall for an aperture of 180mm wide x
65mm deep (fig.32).
Cut the opening and offer the mounting bracket
up to the back of the panel. Centralise and mark
the four tapped holes (fig.33). Remove the
bracket and drill the panel (and packing if used).
Fit the outlet adaptor and ‘O’ ring into the top or
bottom outlet of the valve housing for connection
to the bulkhead. Ensure the adaptor is fitted with
the HOSE END in the valve housing (fig.24). Fit
the blanking plug and ‘O’ ring into the opposite
outlet.
Ensure the inlet elbows are orientated the correct
way. Offer the valve up to the mounting bracket
and secure using the screws provided.
Fix the mounting bracket together with the valve
to the panel using the supplied bolts and
washers.
Fig.33
Complete the pipework to the shower marking
off the length to enter the elbows.
Remove the valve and mounting bracket and cut
the pipes to length.
FLUSH THE PIPEWORK TO CLEAR SYSTEM OF
DEBRIS AND CHECK FOR LEAKS.
17
Domina HP thermostatic mixer shower
Important: The inlet elbows contain check
valves that may be damaged if debris is not
flushed through prior to fitting. Where this is
not possible refer to the flushing procedure.
Fig.34
Spline
Refit the valve and mounting bracket and connect
the pipework. Tighten the inlet nuts and inlet
elbow grub screws.
Refer to ‘Fitting the bulkhead’ and complete
outlet pipework.
Before fitting the bulkhead to the panel connect
the shower hose and direct it to waste.
Cut-out
Open the isolating valves to the shower and flush
through ensuring that the flow control is opened
fully and the temperature control is rotated to
HOT and then to COLD. Check for any leaks and
remedy if necessary.
TURN OFF the water supplies.
Remove the central screw securing the
temperature control knob (fig.5). Lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow control knob by rotating
clockwise.
Fit the cover plate over the valve and secure with
the two retaining screws. DO NOT use silicon
sealer to secure the plate to the panel.
Refit the flow control knob by rotating in a anticlockwise direction. Fit the circlip.
To ensure the temperature spline is in the fully
hot position, temporarily fit the temperature
control knob onto the spline and turn fully
clockwise. Remove the control and then fit the
temperature disc with the cut-out portion at the
bottom and ensure that it engages on the two
‘dogs’ (fig.34). Fit the temperature control knob
onto the spline.
Turn on the water supplies.
At this point, refer to the ‘commissioning
procedure’ in order to establish the correct
maximum shower temperature.
18
Domina HP thermostatic mixer shower
FLUSHING PROCEDURE
Fig.35
Important. It is preferable to flush the
pipework before installing the valve. Where this
is not possible the following procedure should
be adhered to. NOTE: This is only convenient
for surface mounted installations. For flush
mounted options, it is essential to flush the
pipework before installing the valve in position
and completing the tiling.
Flushing procedure
a
Isolate the supplies.
b Unscrew the elbow cap using the 8mm
allen key supplied and pull off the cap
complete with the filter (fig.35).
c Screw the supplied flushing cartridge into
the elbow until tight (fig.36).
Fig.36
d Attach a hose to the flushing cartridge
(fig.37) outlet and direct the other end to
waste. Flush the pipe clean.
Fig.37
e Refit the filter and cap to the elbow. Screw
tight with the allen key.
f Repeat the above procedure on the other
elbow.
g Reinstate supplies and test the valve
operation.
NOTE: It is not possible to service the check
valves. Should a faulty check valve occur, a new
elbow assembly will be required.
Spare flushing cartridges (fig.38) are available
from Triton Customer Service.
Fig.38
19
Domina HP thermostatic mixer shower
FITTING THE BULKHEAD
Fig.39
Elbow
e
fac
e
ish
Fin
ur
ds
8 - 13 mm
Fig.40
Complete the outlet pipework ending in a 1⁄2" x
15 mm male thread to compression elbow or
straight connector with suitable thread length
(fig.39).
NOTE: This fitting is not supplied as variations in
installations necessitates selection of the most
appropriate fitting.
Before making good and tiling the wall, flush the
pipe and test for leaks.
The bulkhead and its cover are supplied
assembled. Separate the two halves by carefully
prising apart.
Fit the elbow to the bulkhead and secure with
the three screws supplied (fig.40).
Screw the bulkhead assembly onto the threaded
fitting temporarily in order to mark the position
of the two fixing holes (fig.41) for securing the
bulkhead to the wall.
Unscrew and remove the bulkhead. Check the
location of the pipe in the wall before drilling.
Drill and plug the holes using the wall plugs
supplied or if fitting to a hollow wall structure,
use suitable cavity wall fixings.
Fig.41
Apply PTFE tape to the threaded fitting.
Screw the bulkhead assembly onto the threaded
fitting until tight to the wall and the two fixing
holes are aligned. Secure to the wall with the two
screws supplied (fig.42).
Finally, finish by clipping the cover onto the
bulkhead ensuring the protruding legs locate in
the bulkhead body.
Fig.42
20
Domina HP thermostatic mixer shower
Fig.44
Fig.43
WARNING: Check there are no hidden cables
or pipes before drilling holes for wall plugs.
Use great care when using power tools near
water. The use of a residual current device
(RCD) is recommended.
FITTING THE RISER RAIL
Decide the position for the rail on the wall within
the shower area. Proceed as follows:
A Offer one of the two brackets to the wall for
the lower position only. Note there are three holes
in the brackets but two screws will usually be
sufficient. However, the centre hole must be used
so mark this and either of the other two. Drill and
plug the wall. Replace the bracket to the wall and
secure to the wall with the screws supplied
(fig.43). Locate the rail onto this lower bracket
ensuring the rail engages fully on the bracket.
Ensure the indent in the riser rail engages into the
cut-out on the bracket end (fig.44).
Fig.45
Lever
Fig.46
Lever
Saddle
Spacer
Slider/holder
assembly
Saddle
B Locate the second bracket on top of the rail.
Again mark the centre hole plus one of the other
two holes. Ensure the rail is vertical. Remove the
bracket and rail. Drill and plug the wall.
Fig.47
C With the saddle, spacer and lever parts to hand,
screw the saddle 2 or 3 turns into the lever
(fig.45). Place the saddle and lever into the
slider/holder assembly (fig.46) so that the holes
align, then slide onto the rail (fig.47). Tighten to
the rail by turning the lever. When tight, the lever
should be facing forwards and not pointing to the
wall. If not, slacken off and remove from the rail.
Rotate the saddle and lever 180° within the
slider/holder assembly then replace onto the rail
and tighten. Ensure the tapered thin end of the
spray head holder is in the uppermost position.
Tapered
thin end
Fig.48
D Place the rail onto the installed lower bracket.
Replace the upper bracket onto the rail and
secure the bracket to the wall with the screws
supplied (fig.48).
E Place a trim cover onto each bracket ensuring
the large protrusion at the narrow end of the trim
cover, engages into the slot between the rail and
bracket (fig.49) before pushing and clicking the
other end into place (fig.50). Should the need
arise, the trim covers can be removed by inserting
Fig.49
21
Fig.50
Domina HP thermostatic mixer shower
Fig.51
a screwdriver into the slot and carefully levering
off the trim.
Fig.52
F Snap the soap dish onto the rail (fig.51) below
the holder assembly. Prise open the soap dish
collar and fit onto the rail (fig.52) below the dish.
Note the collar is slightly tapered and should be
fitted ‘thinner section’ uppermost. Ensure it
locates firmly in the soap dish (fig.53) so that it
holds the dish at the required height on the rail.
Thin section at top
FITTING THE HOSE AND SPRAYHEAD
Fig.53
Feed the flexible hose through the appropriate
soap dish aperture (fig.54) in order that the dish
acts as a retaining ring (Water Regulations).
Fig.54
Screw the flexible hose to the sprayhead (or
bulkhead if flush fit option) and sprayhead
(fig.55) ensuring the supplied washers are in
place at both ends of the flexible hose.
Place the sprayhead into the holder (fig.56) and
check that it fits correctly. NOTE: The holder is
slightly tapered and the sprayhead and hose will
only fit from one direction. Important: It is the
conical end of the hose which grips into the
holder. The sprayhead will not fit in the holder
without the hose attached.
Collar
Fig.56
Fig.55
Sprayhead
Shower
Washers
Sprayhead
Holder
22
Domina HP thermostatic mixer shower
COMMISSIONING AND ADJUSTING THE
MAXIMUM TEMPERATURE STOP
Raised rib
Fig.57
ENSURE THAT ALL SUPPLY PIPEWORK HAS BEEN
FLUSHED THROUGH PRIOR TO COMMISSIONING.
The mixer valve is factory set to provide a
maximum outlet temperature of 39° - 41°C but
this should be checked on site to ensure the
setting has not been altered and also to ensure
user safety.
Ensure that both hot and cold water supplies are
fully open and at (or near to) their design
temperature and pressures and are within the
requirements as stated.
The shower has a maximum temperature stop to
prevent accidental rotation to higher water
temperatures. This is factory set to provide a
maximum temperature of 39° – 41°C based on
the hot and cold water supplies being 57°C and
15°C respectively at nominally equal pressures.
Fig.58
Temperature control disc
'Stop'
'Stop'
40
20
10
1
30
60
Allow the shower to run at the maximum
temperature setting until the water temperature
has stabilised. Using the temperature control
knob, rotate the spline anti-clockwise until the
desired water temperature is reached.
Grooves
Grooves
60
Ensure the hose is connected to the bulkhead and
is directed to waste. Start the water flow by
turning the flow control anti-clockwise.
40
50
20
30
50
Ensure the temperature spindle is at the
maximum temperature setting, i.e. rotated fully
clockwise. If not, rotate the control knob fully
clockwise, overriding the maximum temperature
stop, until a firm resistance is felt.
Maximum temperature stop mechanism
(Decrease stop position)
When the water temperature is satisfactory,
remove and re-align the temperature control knob
on to the spline ensuring it is replaced so that the
raised rib (fig.57) butts against the protruding
‘stop’ of the stop mechanism (fig.58). Check the
maximum setting is correct and that it locks out
against the stop before refitting the central screw
and replacing the knob trim.
To adjust the maximum temperature stop
Remove the temperature control disc. The control
disc houses the maximum temperature stop
mechanism (fig.58). To increase the temperature
stop setting, reposition the temperature stop
mechanism clockwise within the arc of the
grooves.
23
(Increase stop position)
Fig.59
Domina HP thermostatic mixer shower
To decrease the temperature stop setting,
reposition the stop mechanism anti-clockwise
within the arc of the grooves. When the stop
mechanism is set at the preferred position, refit
the temperature control disc.
Fig.60
40
30
60
10
20
50
Refit the temperature control knob ensuring it is
replaced in the same attitude as when removed
and it locks out against the stop.
Flow control
Turn the shower on and off several times and
check the maximum setting is correct before
refitting the central screw and replacing the knob
trim.
Fig.61
40
30
60
10
20
50
Finally, check the thermal shut off facility of the
valve by performing a thermal shut off test. Shut
off the cold supply. The flow from the shower
should stop immediately or reduce to a trickle in
which case the water temperature should be less
than 43°C. In either case there is no risk of
scalding.
Temperature control
Fig.62
30
Important: Only adjust the maximum
temperature stop when the hot water is at its
usual supply temperature.
40
Should the maximum temperature stop require
adjustment in the future, first remove the
temperature knob trim using a thin bladed
screwdriver (fig.59). Then unscrew the central
fixing screw and remove the temperature control
to reveal the mechanism.
20
50
60
10
If however the temperature is above 43°C then it
is likely there is contamination in the valve
preventing it from shutting off the hot supply. In
this case refer to the maintenance section or
contact Customer Service.
OPERATING THE SHOWER
Flow control
Maximum
temperature
override
button
Fig.63
60
10
40
50
20
30
Ensure all plumbing supplies are connected and
turned on. To start the shower, rotate the flow
control anti-clockwise (fig.60). To adjust the
temperature, rotate the inner knob – temperature
control (fig.61).
The temperature disc is numbered but note the
numbers roughly relate to °C as a guide only.
They are not accurate due to the varying stored
hot water temperatures in each installation.
Once at the preferred temperature, no further
adjustment is required, providing the hot and cold
water supplies remain constant.
24
Domina HP thermostatic mixer shower
To stop the shower, return the flow control to the
stop position by rotating clockwise (fig.62). This
automatically stops the water flow.
Fig.64
As a safety measure the shower has a built-in
maximum temperature stop to prevent
accidentally exceeding the highest desired
temperature. The stop comes in a factory set
position. (If adjustment is required see ‘Adjusting
the maximum temperature stop’).
Filter
cap
'O' ring
Filter
To override this stop, depress the button (fig.63)
and turn the control clockwise to the higher
settings. To return to the normal temperature
range just turn the temperature control anticlockwise until it is past the maximum
temperature stop.
Elbow
Ensure that the temperature control is in the
normal temperature range when the shower is
turned off.
FILTER CLEANING
Using the allen key supplied, unscrew the filter
cap (fig.64) on each inlet elbow and remove the
filter. Wash the filter thoroughly under running
water to remove all debris. Replace the filter into
the recess on the cap and screw the unit back
into the elbow ensuring the ‘O’ ring is in place.
Tighten with the allen key.
25
Domina HP thermostatic mixer shower
ADJUSTING THE SPRAYHEAD
Fig.65
Four sprayhead patterns are available (fig.65).
Adjustment is by turning the bezel on the
sprayhead in either direction until the desired
pattern is obtained.
Maxi
A full spray perfect for a relaxing shower.
Maxi
Ultra
A focused spray for a refreshing, satisfying
shower.
Needle
A tingling, fine spray for a highly invigorating
shower.
Jet
A concentrated spray for an exhilarating shower.
Ultra
Needle
Jet
26
Domina HP thermostatic mixer shower
SPRAYHEAD CLEANING
Fig.66
It is recommended that the shower unit, riser rail,
hose etc. be cleaned using a soft cloth and that
the use of abrasive or solvent cleaning fluids be
avoided.
IT IS MOST IMPORTANT TO KEEP THE
SPRAYHEAD CLEAN IN ORDER TO MAINTAIN THE
PERFORMANCE OF THE SHOWER.
Removal
tool
The hardness of the water will determine the
frequency of cleaning.
Sprayplate
Sprayplate removal
There is no need to remove the sprayhead from
the hose.
Fig.67
Using the removal tool supplied (fig.66), locate
the three raised ’bosses’ into the three recesses in
the sprayplate. Hold in firmly and twist anticlockwise (fig.67). This movement may turn the
cartridge assembly as well until it reaches a ‘stop’.
Hold the cartridge firmly and continue to twist
anti-clockwise. Having loosened the sprayplate
sufficiently, it can be unscrewed and removed
completely (fig.68).
Clean the sprayplate with a suitable brush or
preferably leave it to soak overnight in a mild
proprietary descalent. Ensure all traces of scale
are removed and thoroughly rinse in clean water
afterwards.
Fig.68
Before replacing the sprayplate, it is advisable to
direct the hose and sprayhead to waste, and start
the shower to flush out any loose scale deposits.
Stop the shower after approximately 30 seconds.
Refit the sprayplate by screwing clockwise. Use
the tool to screw the sprayplate tight.
WARNING
Do not use ‘powerful’ abrasive or solvent
cleaning fluids when cleaning the shower as
they may damage the plastic fittings
27
Domina HP thermostatic mixer shower
Screw
Fig.69
Trim
Temperature control knob
Temperature disc
Circlip
Flow control knob
Actuator
Cartridge unit
Circlip
Spindle – hot side
Spindle – cold side
Flow control cap
Grub screw
Hot seal
Surface mount
cover (where fitted)
Filter
Spring
Spring top
MAINTENANCE
(The following maintenance procedure must be
carried out for commercial and health care
premises, but is not necessarily required for
domestic installations).
Maintenance of the unit is required to ensure
continued performance after installation and that
it continues to provide scald prevention.
The frequency of routine maintenance of the
internal of the valve will depend mainly on the
water supply condition. Local knowledge will
dictate suitable intervals. In addition, the
following precautions should be observed.
Filters
Initially check the filters (fig.69) for debris once
every three months and clean if necessary. This
period can be increased if appropriate once the
general condition and cleanliness of the water is
established. Full flushing out may be necessary if
debris is found or suspected.
Thermal shut off test
Perform a thermal shut off test every three
months, and check the maximum temperature
Cold seal
setting. See the ‘Commissioning’ section for the
details of this test and re-adjustment of the
maximum temperature setting if required.
If the maximum water temperature varies by
more than 2°C from the commissioned setting
then ensure the filters are clean and that the
isolating valves are fully open. Test the non-return
valves as described below.
Non-return valves
The non-return valves (NRVs) prevent cross-flow
between hot and cold supplies under unequal
pressure conditions. They are designed for long
life with no maintenance. Their function can be
tested as follows:
First, set the temperature control to the 40°
setting. To test the NRV on the hot side, shut off
the hot supply and ensure the cold supply is
open. Be prepared for leakage of trapped water
in the pipe and remove the filter on the hot side.
Evidence of continuing leakage from the filter
body means water is coming through the hot
supply NRV.
To test the NRV on the cold side, shut off the cold
28
Domina HP thermostatic mixer shower
supply and ensure the hot supply is open. Be
prepared for leakage of trapped water in the pipe
and remove the filter on the cold side. Evidence
of continuing leakage from the filter body means
water is coming through the cold supply NRV.
Check the internal surface for scaling. All rubber
parts must be removed prior to descaling.
If either NRV is leaking then the inlet elbow –
complete with NRV and filter, should be replaced.
It is not possible to satisfactorily remove the NRV
itself from the elbow and should not be
attempted.
If these tests do not highlight the reason for the
temperature variation, then follow the procedure
below for investigating failure of the thermal shut
off test.
Replace the ‘O’ rings every three years –
maintenance kits with spare ‘O’ rings are
available. Smear silicon grease on all ‘O’ rings
before assembling.
Flow control and cartridge removal
For easier access to the internal parts (fig.69), the
valve should be removed from the pipework and
laid out in a clean environment.
A thermal shut off test, as described under
maintenance, should be carried out. If water
coming from the shower head is at a temperature
of more than 2°C above the maximum mixed
water temperature setting then the valve unit is
due for maintenance.
Carefully prise out the temperature knob trim
using a thin bladed screwdriver.
Remove the central screw securing the
temperature control knob and lift off together
with the temperature disc.
Remove the circlip securing the flow control to
the cartridge body.
Unscrew the flow knob by rotating clockwise.
Remove the four screw securing the cartridge
cover to the brass housing.
Remove the two circlips securing the spindles to
the flow actuator. Lift off the actuator.
If flow from the valve cannot be turned off fully,
the flow controls must be serviced as follows:
Maintenance kits are available which contain the
necessary ‘O’ rings. Smear all ‘O’ rings with
silicon grease prior to installing them.
IN-SERVICE TESTING
Periodic testing should be undertaken to check
whether deterioration has occurred in the
performance of the mixer valve.
NOTE: A thermostatic mixing valve in need of
maintenance can be undetectable in normal use
and only becomes apparent when a disruption
occurs in the hot or cold water supply
temperatures or pressures.
The frequency of in-service testing depends upon
the water condition passing through the unit. Inservice testing should be between six to twelve
months, but less than six month intervals in areas
of hard water.
Experience of local conditions and the in-service
testing record will dictate the frequency of inservice testing.
With the spanner supplied, unscrew the two flow
control caps and pull out the complete
assemblies. The seals will probably still be located
inside the housing and must therefore be
carefully removed. New seals must be fitted and
the hot and cold cones re-inserted into the
correct inlets (hot side is the smaller inside
diameter).
If the flow controls do not require servicing,
proceed as follows:
Pull out the cartridge body unit. NOTE: The
cartridge assembly is not recommended to be
serviced and must be replaced if found faulty.
Remove the spring and spring top.
29
Domina HP thermostatic mixer shower
SPARE PARTS
Ref. Description
1
1
2
5
4 mode sprayhead
white/chrome
all chrome
all gold
22410010
22410040
22410050
2
Sprayhead holder
83306190
3
Brackets (pr.)
83306160
4
Riser rail
7042409
5
Flexible hose
chrome
22003970
Soap dish
white
clear
22008960
220089709
Bulkhead assembly
white
all chrome
all gold
85500170
85500180
85500190
6
7
3
4
6
7
30
Part No.
Domina HP thermostatic mixer shower
SPARE PARTS
9
Temperature control trim
white
all chrome
all gold
7052485
7052592
7052593
Temperature disc
HP white
HP chrome
HP all gold
7052467
7052579
7052580
Flow control knob
white
all chrome
all gold
7052454
7052571
7052572
Trim kit – surface mount
all chrome
all gold
83500050
83500060
Trim kit – flush mount
all chrome
all gold
83500020
83500030
Fixing kit
flush
surface
83500010
83500040
–
Flow control hot – HP
7122476
–
Flow control cold
7122613
–
Thermostatic cartridge – HP
82100280
–
Filters
7012604
–
Screw driver bit
22009550
–
Maintenance tool kit
82200580
–
Flushing cartridge
7052621
-
10
11
12
13
14
30
40
60
7052466
7052577
7052578
50
Temperature control knob
white
all chrome
all gold
20
9
Part No.
10
Ref. Description
10
11
12
13
14
31
Domina HP thermostatic mixer shower
Problem/symptom Cause
1 Water too hot.
2 Water too cold
FAULT FINDING
Action/cure
1.1 Not enough cold water
flowing through shower.
1.2 Increase in the ambient
cold water temperature.
1.3 Cold water supply
blocked.
1.4 High volume of cold
water being drawn off
elsewhere.
1.1.1 Turn temperature control anti-clockwise.
2.1 Not enough hot water
flowing through shower.
2.2 Decrease in the
ambient cold water
temperature.
2.1.1 Turn the temperature control clockwise.
(Override max. temperature stop if necessary).
2.2.1 Turn the temperature control clockwise.
(Override the maximum temperature stop if
necessary).
2.3 Insufficient hot water
supplies from the heating
appliance.
2.3.1 Ensure heating appliance is set to
maximum hot water output.
2.3.2 Ensure heating appliance is igniting by
trying a hot water tap elsewhere.
2.4.1 Turn shower off and consult a competent
plumber or contact Triton Customer Service.
2.5.1 Fit a pressure reducing valve.
2.4 Hot water supply
blocked or restricted.
2.5 Running pressure in
excess of maximum
recommended.
2.6 Flow limiter not fitted.
3 Water does not
flow or shower
pattern collapses
when another
outlet is turned
on.
3.1 Water supplies cut off.
3.2 Shower unit blocked.
3.3 Blockage in pipework.
1.2.1 Turn temperature control anti-clockwise.
1.3.1 Turn shower off and consult a competent
plumber or contact Triton Customer Service.
1.4.1 Reduce the simultaneous demand from
mains supply.
2.6.1 If not fitted, contact Customer Service.
3.1.1 Check water elsewhere in house and if
necessary contact local water company.
3.2.1 Inspect the filters. Clean if necessary.
3.4 Sprayhead blocked.
3.3.1 Turn the shower off and consult a suitably
competent plumber.
3.4.1 Clean sprayhead.
3.5 System not capable of
supplying multiple outlets
at the same time.
3.5.1 Reduce the simultaneous demand.
3.5.2 Ensure stop or service valve is fully open.
3.5.3 Check if sufficient water pressure.
32
Domina HP thermostatic mixer shower
Problem/symptom Cause
FAULT FINDING (continued)
Action/cure
4 Shower
controls noisy
whilst in use.
4.1 Running pressure in
excess of maximum
recommended.
4.1.1 Fit a pressure reducing valve
5 Shower will
not shut off
5.1 Pipework not flushed
before connecting the unit
(‘O’ rings damaged).
5.1.1 Renew flow control seals.
Any maintenance or repair to the shower must be carried
out by a suitably qualified person.
33
T R I T O N S TA N D A R D G U A R A N T E E
Triton Plc guarantee this product against all
mechanical and electrical defects arising from faulty
workmanship or materials for a period of three
years for domestic use only, from the date of
purchase, provided that it has been installed by a
competent person in full accordance with the
fitting instructions.
Any part found to be defective during this
guarantee period we undertake to repair or replace
at our option without charge so long as it has been
properly maintained and operated in accordance
with the operating instructions, and has not been
subject to misuse or damage.
This product must not be taken apart, modified or
repaired except by a person authorised by Triton
Plc. This guarantee applies only to products
installed within the United Kingdom and does not
apply to products used commercially.
This guarantee does not affect your statutory
rights.
What is not covered:
1 Breakdown due to: a) use other than domestic
use; b) wilful act or neglect; c) any malfunction
resulting from the incorrect use or quality of
electricity, gas or water or incorrect setting of
controls; d) faulty installation.
2 Repair costs for damage caused by foreign
objects or substances.
3 Call out charges where no fault has been found
with the appliance.
4 The cost of repair or replacement of pressure
relief devices, sprayheads, hoses, riser rails and/or
wall brackets, isolating switches, electrical cable,
fuses and/or circuit breakers or any other
accessories installed at the same time as these do
not form the mechanical and electrical components
contained within the unit..
5 The cost of routine maintenance, adjustments,
overhaul modifications or loss or damage arising
therefrom, including the cost of repairing damage,
breakdown, malfunction caused by corrosion,
furring, pipe scaling, lime scale, system debris or
frost.
Service Policy
Replacement Parts Policy
In the event of a complaint occurring, the following
procedure should be followed:
1 Telephone Customer Service on (024) 7637 2222
(0345 626591 in Scotland and in Northern Ireland),
having available the model number and power rating
of the product, together with the date of purchase.
2 Triton Customer Service will be able to confirm
whether the fault can be rectified by either the
provision of a replacement part or a site visit from a
qualified Triton service engineer.
3 If a service call is required it will be booked and the
date of call confirmed. In order to expedite your
request, please have your postcode available when
booking a service call.
4 It is essential that you or an appointed
representative (who must be a person of 18 years of
age or more) is present during the service engineer's
visit and receipt of purchase is shown.
5 A charge will be made in the event of an aborted
service call by you but not by us, or where a call
under the terms of guarantee has been booked and
the failure is not product related (i.e. scaling and
furring, incorrect water pressure, pressure relief
device operation, electrical installation faults).
6 If the product is no longer covered by the
guarantee, a charge will be made for the site visit
and for any parts supplied.
7 Service charges are based on the account being
settled when work is complete, the engineer will
then request payment for the invoice. If this is not
made to the service engineer or settled within 10
working days, a £10 administration charge will be
added.
Availability: It is the policy of Triton to maintain
availability of parts for the current range of products
for supply after the guarantee has expired. Stocks of
spare parts will be maintained for the duration of the
product’s manufacture and for a period of five years
thereafter.
In the event of a spare part not being available a
substitute part will be supplied.
Payment: The following payment methods can be
used to obtain spare parts:
1 By post, pre-payment of pro forma invoice by
cheque or money order.
2 By telephone, quoting credit card (MasterCard or
Visa) details.
3 By website order, www.tritonshowers.co.uk
Triton Plc, Shepperton Park, Caldwell Road,
Nuneaton, Warwickshire. CV11 4NR
Customer Service
☎ (024) 7637 2222
Scottish and Northern Ireland
Customer Service
0345 626591
Trade Installer Hotline
(024) 7632 5491
Fax: (024) 7632 4564
E mail: reception@triton.plc.uk
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