Exposed Thermostatic Shower Valve.

Exposed Thermostatic Shower Valve.
Exposed Thermostatic Shower Valve. Flow Control.
'Temperatme Cbntrol.
Please read these instructions in full before commencing any
installation. After the work is completed, pass these instructions on to
the end user for their future reference. We recommend that before
1iling or Jinishing, you ensure that the valve is operating correctly and
that there are no leaks. Please note that in order to service these
valves, you must allow adequate access from the front in order to
remove the cartridge locking ring or removing the check valves.
Most problems with any thermostatic valve are caused by debris from new pipework
getting into the thermostat when it is first installed. It is important to flush out all new
pipework before commissioning. This thermostatic valve is suitable for use with all.
water systems up to a maximum operating pressure of 5.0 Bar, (beyond which we
recommend pressure reducing valves be fitted)
Most problems with any thermostatic valve are caused by debris from new pipework
getting into the thermostat when it is first installed. It is important to flush out all new
pipewofk before commissioning.
This thermostatic valve is suitable for use with all water systems up to a maximum
operating pressure of 5.0 Bar, (beyond which we recommend pressure reducing
valves be fitted)
Hot
Cold
DESCRIPTION
The Valve is a thermostatically controlled. shower valve. Temperature is controlled by a wax
cartridge thennostat, which will maintain a constant temperature and compensates automatically
for fluctuations in HOT and COLD inlet pressures. Should either HOT or COLD supplies fail,
the valve will shut down almost instantly to avoid any risk of scalding. A simple quarter turn
ceramic disc valve controls flow.
WATER SYSTEMS
The Valve is suitable, without modification. for all types of installation, including pumped
gravity systems, mains pressure and combination boilers.
INSTALLATION
The valve must be installed with the outlet pointing upwards, the HOT water coming in on the
left and the cold on the right. The inlet elbows are fitted with 15mm olives and compression
nuts. It is important that all new pipe work should be thoroughly flushed through before
connecting the valve.
TEMPERATURE SETTING AND ADJUSTMENT
AFTER INSTALLATION THE VALVE MAY NEED THE MAXIMUM
TEMPERATURE RESETTING.
Unscrew temperature knob cover. Pull offtemperature knob. Rotate the thern10stat spindle
(clockwise for cold and counter clockwise for hot) until the desired showering temperature is
reached [nonnally about 42"C.] Then line up the stop on the inside of the knob to the right
hand side of the moulded stop on thennostat. Replace cover.
MAINTENANCE
The valve is extremely easy to maintain. The temperature and flow are controlled by
separate One piece cartridges, which are easily removed from the front of the valve for
cleaning or replacement.
.
TROUBLE SHOOTING
After having produced thousands of Thennostatic Valves, we are able to pinpoint the following
problems and solutions, which have. occurred. These will cover 99% of cases.
1) After installation shower only runs HOT or COLD and will not mix. Solution: Hot & cold supplies are plumbed the wrong way round. Remove the thennostat and refit with the locating peg pointing downwards. 2) Shower will not run hot enough when first installed. Solution: Maximum temperature setting needs adjusting as above. 3)
Cold water tracking through the valve into the hot system. Solution: This is prevented in the Valve by Check Valves in the Inlets. Check and clean check valves. Maintenance and Servicing.
The Exposed Thermostatic Valve should give many years of
trouble free seNice, but in the event of failure, seNicing is
straightforward.
Check Valves.
The Check Valves stop cross flow between the Hot and Cold
supplies and are fitted inside the inlets
Thermostatic Cartridge.
To remove the Thermostatic cartridge, Unscrew the
temperature knob cover and pull off the temperature knob,
Gently pull off the plated retaining nut cover and undo the
52mm AF Clamp nut and pull the cartridge out. Be sure to
re-fit the cartridge with it's locating lug painting downwards,
Flow Control Cartridge.
The flow control cartridge uses ceramic discs which will
normally last indefinitely unless debris manages to get
between the ceramic discs,
To remove. Use a suitable toot to unscrewthe cartridge
(17mm AJ.)
CommissioninK Procedure for TC Trend/Kensington Shower Valves • REMOVE THE TEMPERATURE CONTROL HAND-WHEEL
• YOU WILL NOW BE ABLE TO SEE THE BROWN THERMOSTATIC
CARTRIDGE. SCREWED TO THE END OF THIS CARTRIDGE IS A BRASS
BEZEL.
• TURN THIS BRASS BEZEL FULLY CLOCKWISE UNTIL IT HITS THE
SAFETY STOP ON THE BROWN CARTRIDGE. THEN UNDO THE SILVER
SCREW SECURING THE BEZEL, AND SLIDE THE BEZEL OFF.
• REFIT THE BEZEL, BUT REPOSITION IT SO THAT IT IS NOW ON THE
OTHER SIDE OF THE STOP.
• TURN THE BEZEL A FULL TURN CLOCKWISE. SLIDE THE BEZEL OFF
AGAIN AND REPEAT WITH ANOTHER FULL TURN CLOCKWISE.
• THE CARTRIDGE SHOULD 1"1AKE A CLICKING NOISE WHICH
INDICATES IT IS BACK TO FACTORY SETTINGS.
• IF IT DOESN'T MAKE A CLICKING NOISE, TURN ANOTHER FULL
TURN CLOCKWISE. WHEN THE CARTRIDGE HAS CLICKED, TURN
THE WATER ON AND LET PLENTY OF COLD WATER RUN THROUGH
THE VALVE.
• YOU CAN NOW CALIBRATE THE VALVE TO YOUR HOT WATER
SYSTEM.
• THE BRASS BEZEL THEN NEEDS TURNING ANTI-CLOCKWISE TO
BRING SOME HOT WATER THROUGH.
• ONE FULL TURN ANTI-CLOCKWISE UP TO THE STOP MAY NOT
BRING ANY HOT WATER THROUGH ON THAT TURN. REMOVE THE
BEZEL AND SLIDE BACK ON ANTI·CLOCKWISE PAST THE STOP AND
GIVE IT A FULL TURN ANTI-CLOCKWISE. THIS TURN SHOULD FETCH
HOT WATER THROUGH.
• THEN FINE TUNE BY ADJUSTING UNTIL THE WATER TEMPERATURE IS
TAKEN TO JUST A LITTLE HOTTER THAN NORMALLY DESIRED.
• YOU MUST THEN REFIT THE BRASS BEZEL TO THE RIGHT HAND SIDE
OF THE SAFETY STOP.
• IMPORTANT·ENSURE THAT THE WATER TEMPERATURE ON THE
VALVES HOTTING SETTING IS NOT SO HOT THAT IT MAY SCALD
THE END USER.
• RE-FIT THE TEMPERATURE CONTROL HANDLE.
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