Pegler OKA 4S4031 Maintenance manual

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Pegler Yorkshire Customcare 10 Year Guarantee - Terms and Conditions
Products are subject to a 10 year guarantee that is between Pegler Yorkshire and the final purchaser of the
product.
The guarantee is subject to proof of purchase being supplied.
This guarantee does not affect any statutory rights the consumer may have in law.
The guarantee covers manufacturing or material defects and does not cover parts subject to normal wear
and tear.
This product range has been designed for the use of homeowners, domestic and commercial applications
and therefore the guarantee is subject to the product being properly selected for their intended service
conditions.
The guarantee is not applicable where the product is fitted contrary to the conditions in the fitting
instructions.
Abusive behaviour and accidental damage to the product are not covered by this guarantee.
The extent of this liability is limited to the cost of the replacement of the defective item and not to fitting or
consequential damages.
Guarantee
Pegler Yorkshire Group Ltd, St Catherine's Ave, Doncaster, S Yorkshire, DN4 8DF
Telephone: Phone [phone] Fax: [phone] Website: www.pegleryorkshire.co.uk
Registered office : Pegler Yorkshire Group Ltd, St Catherine's Ave, Doncaster, S Yorkshire, DN4 8DF Company no : 00401507

Your Guide to the installation, care
and maintenance of
OKA
CP Thermostatic Bar Shower
4S4031
Pegler Limited, St. Catherine’s Avenue, Doncaster, South Yorkshire. DN4 8DF
Telephone: [phone] Fax: [phone]
4S4031

OKA INTRODUCTION:
All Pegler thermostatic showers are designed to ensure a stable temperature during showering when other outlets in the
system are being used eg : washing machine or basin tap etc. The shower valves will close down in the event of cold-
water failure reducing the risk of scalding. These shower valves are also manufactured from rugged engineering materials
to give you years of trouble free service and are backed by the Pegler Customcare Promise.
WATER REGULATIONS REQUIREMENTS:
It is important to ensure that the water supplies to your shower are connected in accordance with the water regulations
(WRAS) requirements and good plumbing practice.
It is Pegler’s recommendation and good plumbing practice that the supplies of hot and cold water to the shower valve
should be equal (balanced) pressure in order to provide a consistent flow and good performance. Supplies should be from
a common source, either mains or tank fed.
WATER SUPPLY OPERATING PRESSURES:
Pegler thermostatic shower valves have been designed to function under the following conditions :
HOT WATER SUPPLY TEMPERATURE:
Hot Maximum: 80ºC Minimum: 60ºC Cold Maximum: 20ºC Minimum: 5ºC
OPERATING PRESSURE:
Maximum: 5 Bar
Minimum: 1Bar
Operating pressure (on hot and cold line) should be kept as balanced as possible in order to assure maximum efficiency.
When the supply is higher than 5 Bar a Pressure Reducing Valve should be fitted before the shower valve.( Pegler PRV-2)
PLEASE NOTE:
The correct type of wall fittings are used to ensure ridgity of the slider rail, ridged riser, fixed head shower or
wall union. The correct plumbing fittings and connections must be used to install the ridgid riser rails, shower heads
and wall unions.
Slider Rails are not safety grab rails. Special safety grab rails can be purchased form Pegler ref: No: 4S4531 / 4S4532.
INSTALLATION INSTRUCTIONS:
(Fig. 1) The mixer functions at its best if the following requirements are satisfied: Working pressure rating (1-5bar)
maximum temperature (80ºC). In the presence of a working pressure higher than 6 bar it is recommended to install a
pressure reducing valve. The installation can be carried out once the supply system has met the recommended require-
ments. Ensure that you have on the wall two female pipe fitting pieces with G1/2” thread and a 150 +20mm
distance space between the points of connection.
Connect the eccentric fitting to the wall adaptors (1). Use PTFE to ensure the water tightness of the coupling.
Place the G3/4” gaskets (2) inside the caps. Position the body and tighten loose coupling nut (3). Install
the rosettes (4) up to the wall. Connect the shower flexible hose. (5 - 6)

Care and Maintenance
To maintain the surface finishes, simply wipe occasionally with a mild detergent on soft damp cloth. Dry using soft
cloth, never use abrasive cleaners or chemical household cleaners avoid contact with concentrated bleach.
Pegler products are manufactured to the highest standards and should require little or no maintenance. In the unlikely
event of any spare part being required, please visit our web site: www.pegler.co.uk or contact your nearest stockist
or the Pegler Technical Office on telephone number 0870 1200285.
MAINTENANCE
It is a good idea to periodically clean the filters so as to avoid the accumulation of debris and limestone residues,
which in time could cause a gradual decrease of the water flow.
REMOVAL OF THE SHUT-OFF DEVICE
(Fig 2) Remove the plate (1) loosen the locking screw (2) and remove the handle (3). Loosen the screwdown (4) and if
necessary replace it. Proceed in reverse to reassemble the whole unit.
REPLACEMENT OFTHE THERMOSTATIC CARTRIDGE
(Fig 2 In case of malfunction to the thermostatic element loosen the grub screw on the lower part of tap (5) and
remove the group together with the handle (6). Clean the filters of the cartridge of impurities and limestone residues
or if necessary replace the whole unit. Clean the sliding areas of ‘O’ rings before reassembling the cartridge.
INSTALLATION AND SERVICING:
Flush out supply pipes before fitting the shower valve, as debris will prevent the shower valve working to its optimum
level. (To prevent debris damaging the shower valve we recommend that you fit the filters provided (These may already
be pre-installed). The shower valve may require servicing from time to time to retain optimum performance. Therefore
we recommend the fitting of service valves upstream of the valve to allow for servicing of the shower valve. We recom-
mend the purchase of PB300 isolating valves. Any standard sealant may be used this product in accordance with manu-
facturers recommendations.
PLUMBING RECOMMENDATIONS:
The shower valve mixer ports are 3/4 BSP female threads. The hot supply should be on the left hand side and the cold
on the right hand side as viewed from the front of the shower valve. The shower valve body has been marked Hot and
Cold. Large runs of pipe work will cause frictional loss of pressure. The recommended pipe work from both cylinder and
water tank should be 22mm minimum. If more than one shower valve is installed the minimum feed from tank and cylin-
der should be 28mm, reducing to 22mm within half a meter of the shower valve. (Ensure adequate supply of both hot
and cold water can be maintained). The shower valve can be used in conjunction with most makes of pumps on the mar-
ket. Installations where a pump is required, install pump before shower mixer inlets.
Turn the water on and verify the functioning of the mixer as well as the tightness of all its components.
Fig 1 Fig 2

Showers are guaranteed for 5 years from the date of purchase.
Full guarantee details are available on request.
YEAR
GUARANTEE
experience design innovation
For further information, please contact your appropriate sales office.
Technical customcare line 0870 1200285
www.pegler.co.uk
HEAD OFFICE
Pegler Limited,
St Catherine’s Avenue,
Doncaster,
South Yorkshire DN4 8DF.
Tel: [phone]
Fax: [phone]
Internet: www.pegler.co.uk
EXPORT
Tel: [phone]
Fax: [phone]
Email: [e-mail]
UK
Northern team:
Tel: [phone]
Fax: [phone]
Southern team:
Tel: [phone]
Fax: [phone]
Western team:
Tel: [phone]
Fax: [phone]
Email: [e-mail]
5

4. Range Limiting or Fixed Set Temperature
The terrier TRV has the facility for fixing the thermal head at a set
temperature or to limit the range of operation. This is achieved by using
two pegs.
5. How to use limiting pins
To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free
pins on order code 850888.
6. Frost Protection
If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “ ★ “. If the temperature falls below
7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)
7. Removal of Radiator
The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TECHNICAL DATA
Temperature range 7°C - 28°C
Maximum Test Pressure 20bar
Maximum Static Pressure 10bar at 120°C
Maximum Differential Pressure 0.6bar
Maximum Water Flow Temperature 120°C
Installation
and User Guide
SENSOR
HEAD
MANUAL SHUT
OFF CAP
1/2” BSP
TAIL
VALVE BODY STRAIGHT
Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.
Telephone: [phone] Fax: [phone]
VALVE BODY
113 two way terrier trv 4/2/08 16:17 Page 1
4. Range Limiting or Fixed Set Temperature
The terrier TRV has the facility for fixing the thermal head at a set
temperature or to limit the range of operation. This is achieved by using
two pegs.
5. How to use limiting pins
To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free
pins on order code 850888.
6. Frost Protection
If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “ ★ “. If the temperature falls below
7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)
7. Removal of Radiator
The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TECHNICAL DATA
Temperature range 7°C - 28°C
Maximum Test Pressure 20bar
Maximum Static Pressure 10bar at 120°C
Maximum Differential Pressure 0.6bar
Maximum Water Flow Temperature 120°C
Installation
and User Guide
SENSOR
HEAD
MANUAL SHUT
OFF CAP
1/2” BSP
TAIL
VALVE BODY STRAIGHT
Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.
Telephone: [phone] Fax: [phone]
VALVE BODY
113 two way terrier trv 4/2/08 16:17 Page 1
Pegler Yorkshire
4. Range Limiting or Fixed Set Temperature
The terrier TRV has the facility for fixing the thermal head at a set
temperature or to limit the range of operation. This is achieved by using
two pegs.
5. How to use limiting pins
To obtain a fixed set point, locate a peg in the slot either side of the
selected setting and push home.
To set a limited range for temperature control, first locate a peg in the
slot to the right of the viewing window for the lowest temperature setting
required. Adjust the valve head to display the maximum temperature
desired. Locate a peg in the slot to the left side of the viewing window.
Push both pegs home. The head will now be adjustable between the
selected range of temperature.
* If you require this facility please call 0870 1200281 and order your free
pins on order code 850888.
6. Frost Protection
If you plan to be away from home for any length of time the TRV can be
turned to the frost protection setting “ ★ “. If the temperature falls below
7°C the valve will automatically open giving protection against freezing.
(Provided that the boiler remains in operation via a frost stat.)
7. Removal of Radiator
The “0” Setting on the TRV is a positive “Off” position. This will enable a
radiator to be removed for maintenance purposes.
To avoid accidental operating of the valve or damage whilst decorating
the manual shut off cap may be used for added security instead of the
TRV head. In this case, remove the TRV sensor head by unscrewing the
securing ring and replacing with the manual cap BEFORE removing the
radiator.
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TWO WAY
THERMOSTATIC RADIATOR
VALVE
TECHNICAL DATA
Temperature range 7°C - 28°C
Maximum Test Pressure 20bar
Maximum Static Pressure 10bar at 120°C
Maximum Differential Pressure 0.6bar
Maximum Water Flow Temperature 120°C
Installation
and User Guide
SENSOR
HEAD
MANUAL SHUT
OFF CAP
1/2” BSP
TAIL
VALVE BODY STRAIGHT
Pegler Limited, St. Catherines Avenue, Doncaster DN4 8DF.
Telephone: [phone] Fax: [phone] VALVE BODY
113 two way terrier trv 4/2/08 16:17 Page 1
Pegler Yorkshire Group Limited, St. Catherine’s Avenue, Doncaster, DN4 8DF.
Tel: [phone] Fax: [phone]

INSTALLATION
Directions for use:
Angle TRV
The universal terrier TRV is designed to operate with water flow in
either direction. The 15mm size may be fitted in either the horizontal
OR vertical position. The most effective position is to have the head in
a horizontal position where the greatest efficiency will be obtained.
Straight TRV
Straight bodied valves should not be used in the top connection of a
radiator as heat from the radiator will affect the sensor.
Correct installations
Correct installation and maximum performance will be achieved if:
The thermostatic head is not concealed behind furniture, curtains or
drapes, hidden under shelves, panelling or in a recess where air pockets
can occur.
The thermostatic head is not exposed to direct sunlight or draughts.
Fitting
1. Thoroughly clean any pipe work to be connected to the valve.
2. Drain down existing system, connecting a hosepipe to the lowest drain
off point available.
3. Screw 1/2” BSP tail into radiator tapping, using suitable jointing
material e.g. PTFE tape.
4. Connect valve body to tail and tighten nut.
5. Cut and fit copper tube to valve body - tightening nut and cone.
6. Remove manual shut off cap and store safely.
7. Turn Sensor head to indicate “5” in setting window.
8. Position sensor head so that setting window can be viewed and hand
tighten securing ring to valve body.
9. Set sensor head to required temperature setting.
10. When fitting a lock shield valve, this must be set to control the water
flow through the radiator to the correct level.
PLEASE NOTE:
To avoid the problem of hydronic (water flow) noise it is recommended
that the differential pressure does not exceed 0.2 bar. It is strongly
recommeded that a differential pressure valve should be fitted to any
system with TRV’s (Pegler order code for differential pressure valve
678021/22mm) will be suitable for most domestic installations.
Larger sizes are available if required.
USER INSTRUCTIONS
1. Operating Description
The influence of uncontrolled heat gains from cooking, lighting and sunshine
etc., can lead to wasteful overheating. The terrier TRV is designed to react to
temperature fluctuations and allow you to control individual room
temperature.
The sensor head contains a powerful wax-filled sensor which senses
temperature changes. These variations cause expansion and contraction of
the thermal element which is transmitted to a valve seat which regulates the
water flow to the radiator
2. Setting the TRV
Initially set the TRV to the required room temperature from the table below
e.g. Position 3/ 20°C. The TRV should be left for at least 1 hour to allow the
temperature to stabilise. If a higher or lower room temperature is required
simply adjust the setting accordingly and repeat the process.
3. Temperature Settings
The TRV settings are factory calibrated as indicated in the table below.
0★12345
Shut Off 7°C 11-13°C 15-17°C 19-21°C 23-25°C 27-29°C
Note: These temperatures may vary slightly, depending upon the nature
of the installation
x
Straight TRV
Angle TRV
113 two way terrier trv 4/2/08 16:17 Page 2