REDRING 53531001 PURE 8.5KW Instantaneous Electric Shower Installation Guide

7.5/8.5/9.5/10.5kW

Installation and User Guide
IMPORTANT:
This booklet should be left with the user after installation and demonstration

IMPORTANT: This appliance can be used by children aged from 3 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience  and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
The shower spray head MUST be cleaned regularly to remove scale and debris. The frequency of the cleaning will vary according to the local water quality. If the water outlet  temperature becomes hot and you are unable to obtain cooler water, immediately check the shower handset for blockage. See section 4 for cleaning instructions.
Do not operate shower if frozen, or suspected of being frozen. It must thaw out before using.

Pack Contents

Please make sure ALL components are included before starting the installation.

• Shower Unit
• Shower Handset
• Riser Rail Tube
• Riser Rail Brackets x 2
• Riser Rail Height Adjuster
• Flexible Shower Hose
• Screw Pack
• Installation and User Instructions

Installation Check List

• Check that the water supply will satisfy requirements
• Check that water & cable entry points of the unit meet requirements
• Check that the electric supply will satisfy requirements
• Select a suitable position for the shower
• Follow plumbing installation section
• Follow electrical installation section
• Fit to the wall & connect the shower supplies
• Commission the shower in the way described
• Fit the front cover & aligning the controls
• Familiarise yourself with the user operating instructions

Important Safety Information

Products manufactured by Redring Xpelair Group are safe and without risk provided they are installed, used and maintained in good working order in accordance with our  instructions and recommendations.
MAINS SERVICE CONNECTIONS: The shower unit is supplied for right hand entry, please see Section 8 & 9 for “Plumbing Connections” & “Electrical Connections” for installation information.
IMPORTANT: To comply with water regulations, building regulations or any specific local water company regulations and in accordance with BS EN 806 a double check  valve should be fitted where it is possible that the shower head may come into contact with used water, for example in the bath or a shower tray.
IMPORTANT: Check that there are no hidden cables or pipes before drilling holes for the wall plugs. Choose a flat piece of wall to avoid the possibility of distorting the back  plate and making the front cover a poor fit. Exercise great care when using power tools near water. The use of a residual current device (RCD) is recommended.
IMPORTANT: Before connecting the water supply to the shower unit the water supply pipe should be flushed out to remove all debris. After flushing the pipework make the  connection to shower inlet and ensure the shower is positioned squarely on the wall and all fixing screws are tightened.
IT IS VERY IMPORTANT: To ensure that the terminal block screws are fully tightened and that no cable insulation is trapped under screws, and tighten periodically in  accordance with BS 7671. The earth continuity conductor of the electrical installation must be effectively connected to all exposed metal parts of other appliances and  services in the room in which the shower unit is installed to conform with BS 7671. The unused supply terminal block must not be used for any other purpose.
IMPORTANT: Ensure that the temperature control knob is turned to MIN temperature (FULL flow) and the commissioning instructions are followed before switching the  unit on. This will make sure that the unit is full of water when first activated.
IMPORTANT: The shower unit MUST be full of water before the heat settings are changed.
IMPORTANT: The shower unit MUST be fitted with a WRAS (Water Regulations Advice Scheme) listed mains water isolating valve.

General Installation Layout Guide

• Plan your installation carefully. Check on the nearest and most accessible rising main water supply, this may be beneath the bath or in the loft, where it feeds the water  storage tank. Use only the cold rising water main.
• If possible avoid connecting the shower unit where it will be affected by water drawn off by another appliance.
• For example the mains feed to a toilet as this may cause a drop in pressure to a level that is too low for the shower unit to work correctly.
• A WRAS (Water Regulations Advice Scheme) listed isolating valve must be fitted between the rising main and the unit to comply with water regulations and to allow for  routine maintenance and servicing.

IMPORTANT!
This appliance can be used by children aged from 3 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if  they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

Important Installation Information

Shower installation must be carried out by a suitably qualified person and be in accordance with BS 7671 (IET wiring regulations), building regulations, water regulations and  / or any specific local water company regulations in force and should be in accordance with BS EN 806.

• This shower unit is designed to be connected to a 15mm cold water mains supply.
• To make sure the heating elements are activated the shower must be connected to mains water supply with a minimum static pressure of 0.1MPa (15lb/sq in) – 1 bar at a  minimum flow rate of 8 litres per minute. The maximum static pressure is 1MPa (145lb/sq in) 10 bar.
• The shower unit must not be fitted where it may be exposed to frost, for example, in an outdoor area. The shower must not be used if suspected of being frozen. Frost  damage is not covered by the guarantee.
• Plumbers jointing compound must not be used. In instances of difficult joints use P.T.F.E. Tape. The use of jointing compound will invalidate the product guarantee.
• Do not solder fittings near the shower unit as heat can travel along pipe work and damage components.
• Do complete all plumbing connections before making the electrical connections.

NOTE: For the 9.5 & 10.5kW model, the minimum running pressure must be obtained at 9 L/min.

Fixing The Shower To The Wall

• Position your shower on a FLAT section of wall, ensuring that it will NOT be in the direct water spray from the shower handset when fixed.
• The shower unit should be positioned so that the shower handset cannot be immersed in the bath or shower tray when hanging down.
• Remove the four front cover fixing screws and lift the cover off complete with the control knobs and start /stop push button.
  1. Having decided on the water and cable entry points and chosen a flat piece of wall, hold the shower vertically against the wall and mark the top two fixing holes whilst  ensuring the shower is square.
  2. Carefully drill the two holes as marked using a sharp 5.5mm masonry drill after first making certain there are no pipes or wires behind the proposed holes.
  3. Insert the wall plugs and screws provided leaving the screw head proud by approximately 5mm. The shower can now be hung on these screws.
  4. Make sure that the shower is positioned vertically and square, now mark and drill the lower slotted fixing hole. Then fix the shower to the wall. Do not fully tighten the screws at this stage.
  5. The shower back plate and removable corner mouldings have moulded cut out sections which are clearly indicated to allow the chosen service entry option to be cut  out prior to final fix.

NOTE: The half way down screw should only be fitted during final installation.

TIPS

• A piece of insulating or masking tape applied to the wall before marking out the fixing holes will help stop the drill from wandering, particularly on tiled surfaces.
• When working near a basin or bath, insert the plug in the waste fitting so that small parts cannot be lost.
• Take care not to drop accessories or tools into basin or bath.

Product Positioning Guide

Plumbing Connections

The shower back plate incorporates into the lower right side a removable corner section to allow easy access when deciding on and connecting to the water mains supply.

1.  Remove the bottom right hand side corner section giving access to the water inlet connection point.
   IMPORTANT: Before connecting the mains water supply to the shower flush out the pipe work to remove all swarf and system debris.
   This is achieved by connecting a suitable hose i.e. Garden hose) to the pipe work and turning on the mains water supply at the isolating stop tap long enough to clear the  debris to waste.

2. Turn off the mains water supply at the isolating stop tap.

3. Having decided on the direction of the water inlet supply: Top (falling) Bottom (rising) or rear / side inlet it is necessary to remove the appropriate knock out (thinned  out plastic) cross section from the back plate before commencing with the installation.
   The connection to the unit is made using a 15mm copper, stainless or plastic pipe with a 15mm compression elbow or 15mm push fit elbow.
   IMPORTANT: Do not use excessive force when making the connection to the unit.

4. Now tighten the back plate fixing screws so the unit is firmly fixed to the wall.

5. If rear entry pipe work is used we recommend the use of a suitable sealant to seal around the incoming pipe work to prevent water entering the wall.

6. Turn on the mains water supply and check for leaks, paying attention to the water inlet connection. At this stage no water can flow through the unit.

IMPORTANT
Installation must comply with water regulations, building regulations, any specific local water company regulations and should be in accordance with BS EN 806. A double check valve must be fitted with all flexible shower accessories where it is possible that the shower handset may come into contact with used water i.e. In the bath or shower tray.
IMPORTANT
Before turning on the water supply to the shower unit the water supply pipe should be flushed out to remove debris. After flushing the pipework ensure that the shower unit  is positioned squarely on the wall and tighten the screws. Tighten all plumbing connections and check the pipework for leaks.

Electrical Connections

The electrical installation must be in accordance with the current BS 7671 (I.E.T. wiring regulations) and part P of the building and / or local regulations.
The shower unit is designed for a single phase 50 Hz a.c. electrical supply.

Electrical Specfications

Normal Power Rating at 240V| Normal Power Rating at 230V
7.5kW – (40A MCB rating)| 6.9kW – (40A MCB rating)
8.5kW – (40A MCB rating)| 7.8kW – (40A MCB rating)
9.5kW – 40A MCB rating)| 8.7kW – (40A MCB rating)
10.5kW – (45A MCB rating)| 9.6kW – (45A MCB rating)

IMPORTANT: The heating elements on the UK models are manufactured to 230-240V specification and will give a lower kW rating if the voltage supply is below 240V.
The shower unit must be permanently connected to the electrical supply, direct from the consumer unit via an electrical isolation switch with a minimum contact gap of 3  mm.
The switch must be readily accessible and clearly identifiable and sited out of reach of a person using the shower over a fixed bath or shower tray, unless the switch is pull  cord operated. The wiring must be connected to the switch without the use of a plug or socket outlet.
The supply cable size is determined by the kW rating of the product (as detailed on the rating plate fixed to the back plate) and the distance between the shower and the  consumer unit. The table below is for guidance only but will help you choose the correct cable for your installation. If you are in any doubt consult an electrician.

DIRECT CILIPED Cable Run Guide| | |
---|---|---|---
KW
RATING| NOMINAL
AT 240V| MINIMUM
RATING
ISOLATING
SWITCH| FUSE
RATING| MAX CABLE
RUN
6mm2| 10mm2
8.| 31.25amps| 40amps| 40amps| 29m| 48m
9.| 35.41amps| 40amps| 40amps| 23m| 38m
10.| 39.58amps| 40amps| 40amps| 21m| 32m
11.| 43.75amps| 45amps| 45amps| 18m| 30m

1. The incoming cable should be hidden.
   Connect as follows:
   Earth cable to terminal marked
   Neutral cable to terminal marked N
   Live cable to terminal marked L

2. The outer sheath of the supply cable must be stripped back to a suitable length and the earth conductor must have an earthing sleeve fitted.

3. Connect the cable to the terminal block.
   Ensure that ALL the retaining screws are VERY tight and that NO cable insulation is trapped under the screws. Loose connections can result in cable overheating.
   IMPORTANT: Failure to ensure that the retaining screws are VERY tight could result in a failure of the terminal block.
   IMPORTANT: DO NOT switch on the electricity supply until the shower cover has been fitted.

IMPORTANT: Follow these cut back cable guidelines, to ensure the product has a reliable electrical connection.
IMPORTANT
Ensure that the terminal block screws are fully tightened and that no cable insulation is trapped under screws, and tighten periodically in accordance with BS 7671. The earth  continuity conductor of the electrical installation must be effectively connected to all exposed metal parts of other appliances and services in the room in which the shower  unit is installed to conform with BS 7671.

IMPORTANT: The use of connections within the unit or other points in the shower circuit to supply power to other equipment such as an extractor fan or pump etc will  invalidate the guarantee.
The diagram below shows a schematic wiring diagram.

1. Thermal Cut-Out
2. Pressure Switch
3. Heater Body

Fitting the Front Cover

IMPORTANT: It is necessary to align the control knobs on the cover with the opposite control spindles mounted on the back plate before the front cover is fitted. The  sealing cord should be located in groove.

1. First turn the power selector knob; identified by the solid blue line, to the cold position.
2. Then turn the temperature control knob anti-clockwise to the mechanical stop position (minimum temperature).
3. On the shower back plate make sure that the power selector spindle key way is pointing LEFT and the temperature spline spindle is rotated fully anti-clockwise until it  reaches the mechanical stop.
4. Remove instruction card from spindle. The front cover can now be fitted carefully ensuring the controls are aligned and secured with the four fixing screws provided.
5. Following the installation of the riser rail (see section 11) attach the flexible hose to the shower outlet positioned centrally on the back plate making sure that you use the  sealing washer provided. The shower is now ready for commissioning.

Riser Rail Fitting Instructions

1. Establish position for the riser rail, and mark the wall for the lower mounting bracket. Make allowances for the tallest person likely to use the shower regularly.
2. Remove covers from the wall brackets.
3. Position the top bracket and mark the wall for the screw fixing. Drill, plug the wall and fix the top bracket.
4. Fit the rail into the top bracket. Place the remaining bracket onto the rail. Ensure the rail is vertically aligned and mark the wall. Remove the rail and bracket, then drill and plug the wall.
5. Slide the height adjuster onto the rail, release mechanism with push button.
6. Replace the rail assembly into the top bracket. Refit the bottom bracket, ensuring the larger rail hole is facing outwards and fix to the wall.
7. Snap covers over both brackets.
8. Firmly attach shorter conical end of flexible hose to shower handset making sure sealing washer is in place.
   NOTE: The adjustable height adjuster grips the conical ends of the hose, not the handle of the shower handset.

TIPS

• A piece of insulating or masking tape applied to the wall before marking out the fixing holes will help stop the drill from wandering, particularly on tiled surfaces.
• When working near a basin or bath, insert the plug in the waste fitting so that small parts cannot be lost.
• Take care not to drop accessories or tools into basin or bath.

CAUTION
Check there are no hidden cables or pipes before drilling holes for wall plugs. Exercise great care when using power tools near water.
The use of a residual current device (RCD) is recommended.

Commissioning The Shower

IMPORTANT: Make sure that the electricity supply has been disconnected at the isolation switch.

1.  Turn the top rotary power selector knob; identified by the solid blue line, to the Cold setting.
2. Turn the rotary temperature control fully anti-clockwise to the minimum temperature position (direction of blue graphic).
3. Ensure that the water supply is fully on at the mains stop cock and isolating service valve.
4. Check that water is not leaking from the bottom of the case.
5. Push the start / stop button and check that water flows freely from the shower within a few seconds. At this point the water from the shower handset will be at full force and at a cool temperature.
6. Slowly rotate the bottom temperature control knob to the maximum temperature postition (fully clockwise). This will gradually reduce the flow of water through the  shower. The water temperature will remain cool.
7. Return the temperature knob to the minimum temperature position (fully anticlockwise).
8. Switch on the electrical supply isolation switch.
9. Now turn the top power selector knob to the top, Eco 1 power setting indicated by one red line. Allow a few seconds for the warmer temperature to reach the shower  head. This shows that the Eco 1 power setting is working correctly.
10. Now turn the top power selector to the high power setting indicated by the three solid red lines. The temperature should rise further. This shows that the full power setting is working correctly.
11. Now adjust the bottom rotary temperature control knob clockwise for hotter water allowing a few seconds for the temperature to stabilize. Set the control to a  comfortable showering temperature slowly.
12. Push the start / stop button to switch the nit off.
13. Switch off at the electrical isolation switch.
14. Finally we recommend that the shower head is removed to make sure no debris has worked into it. Clean and re-fit.

Troubleshooting Checklist For The Installer

IMPORTANT: The following check list is provided for the benefit of the qualified installer.
WARNING: SWITCH OFF THE ELECTRICAL ISOLATION SWITCH BEFORE REMOVING THE FRONT COVER TO MAKE CHECKS.

Q. Water too cold.
A. Check the circuit through the thermal cut out.
Check circuit through the two sheathed heating elements.
NOTE: Test to be done using a low voltage resistance meter whilst the power is switched OFF at the isolating switch.
Check working voltage.
Ensure you have completed cimmissioning process and refer to installation checklist (section 2).
Q. Poor or no control over water flow.
A. Replace the water flow valve head works.
Q. No water when start / stop button is pressed.
A. Check the water supply isolating valves are fully open.
Check the mechanical solenoid is latching.
Q. Pressure relief valve operated.
A. Check for cause of high pressure such as blocked shower hose or shower handset.
Replace pressure relief valve disc. (Note: this is not covered under the product guarantee.)

Customer Service Department
Tel: 0844 372 7766
Email: service.request@redringxpelair.com
8.30am – 5pm, Monday – Friday
Calls cost 7p per minute plus your telephone company’s network access charge.

Important Safety Information

Products manufactured by Redring Xpelair Group are safe and without risk provided they are installed, used and maintained in good working order in accordance with our  instructions and recommendations.
FOR THE USER:
DO NOT operate the unit if the handset or shower hose becomes damaged.
DO NOT restrict flow out of shower by placing shower handset in direct contact with your body or other object.
WARNING: the outlet of the shower acts as a vent and must not be connected to anything other than the flexible shower hose and handset supplied or approved by the manufacturer.
DO NOT operate the shower if water ceases to flow during use or if water has entered inside the unit because of an incorrectly fitted cover.
DO NOT place items such as soap, shampoo or other such bottles on top of the unit as liquid could leak through the joint between the cover and back plate and damage the  sealing rubber.
The shower spray head MUST be cleaned regularly to remove scale and debris. The frequency of the cleaning will vary according to the local water quality. If the water outlet temperature becomes hot and you are unable to obtain cooler water, immediately check the shower handset for blockage. See section 4 for cleaning instructions.
In order to avoid damage to your shower, the electrical isolation switch must be turned off between uses.
Under no circumstances must any shower head that is not approved by the manufacturer be used with this product. Fit onlyshower heads recommended by the manufacturer and never fit any additional device to restrict the water outlet flow.
The outlet must not be connected to any tap or fitting other than those specified.

Operating The Shower

1. Switch on the electrical supply at the isolation switch.
   NOTE: We recommend that you do not stand under the spray from the shower handset when switching on – wait until the water has reached a stable warm temperature.

2. Push the start / stop button for immediate water flow.

3. Select your power setting using the top rotary control. There are four power settings:

| HIGH – Indicated by 3 solid red lines.
---|---
| ECO 1 – Indicated by 2 solid red lines.
| ECO 2 – Indicated by a solid red line
| COLD – Indicated by a solid blue line.

NOTE: Eco 1 and Eco 2 settings
These are the low power settings for increased economy in the warmer months or when a cooler shower is preferred. Fine tune outlet temperature adjustment is via the  bottom rotary temperature control.
NOTE: High setting
This is the full power setting. Fine tune outlet temperature adjustment is via the bottom rotary temperature control.
NOTE: If cold setting is selected the heating elements are not energised so the water temperature will be at the incoming water mains ambient which will be warmer in summer and colder in the winter months.
Adjustment of the rotary temperature control on this setting will only alter the flow of water not the water temperature.
IMPORTANT: When making a temperature adjustment the unit can take up to 20–30 seconds to stabilize at the new temperature.
Please wait before making further adjustments.

How Your Shower Works

1. The cold incoming water is heated instantaneously as it flows over the heating elements in the heat exchanger assembly.
2. At the start up the shower will reach temperature in 20–30 seconds.
3. The amount of hot water available at the set temperature is limited by the total power of the heater.
4. The water is turned on and off by the solenoid valve built into the shower.
5. A stabilizer built into the water flow valve automatically compensates for small fluctuations in water pressure that frequently occur in households.

Routine Maintenance

SHOWER HANDSET CLEANING INSTRUCTIONS
The shower handset should be cleaned periodically to remove lime scale or debris which will reduce the performance of the shower. The frequency of the cleaning will vary according to local water quality.
FILTER CLEANING INSTRUCTIONS
It is recommended that the filter is periodically cleaned in order to maintain the performance of the shower. It is essential that this operation is carried out by a competent person.
IMPORTANT: Before servicing, switch off the electricity supply at the isolation switch.

• Switch off the mains water supply at the isolation valve.
• The inlet filter is situated inside the water inlet housing.
• To gain access pull the filter from the inside of the inlet housing.
• To reassemble, follow procedure in reverse.
• DO NOT over tighten the filter tray on reassembly.

ATTENTION!
Do not operate the shower unit if the shower head or hose becomes damaged. The shower is designed and approved to EN-60335 with the shower head provided. Under no  circumstances must any shower head that is not approved by the manufacturer be used with this product also never fit any additional device to restrict the water flow.

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