RED-RING Selectronic Manual de usuario

IMPORTANT

This booklet should be given to the customer after installation and demonstration.

SHOWER HANDBOOK

Thank you for choosing a quality “Redring” product manufactured in Peterborough, England.

Contents

User information Page Installer Information Page

How to use your shower...............................................2 Fixing the shower to the wall ..................................8

Routine Maintenance....................................................5 Plumbing .................................................................9

How your shower works ...............................................6 Electrical .................................................................9

Troubleshooting ............................................................6 Commissioning .....................................................10

Additional spares & accessories ................................11 Guarantee .............................................................12

Warning

Do Not Switch The Shower On If You Suspect It Of Being Frozen, Wait Until You Are Sure That It Has

Been Completely Thawed Out.

How To Use Your Shower

Your shower has two modes of operation, Normal and Temperature Lock.

The temperature lock feature ensures a factory preset maximum temperature is not exceeded.

This is achieved by disabling the temperature control buttons, so that the less-able, elderly and children can

use the shower with confidence.

The mode of operation is set on commissioning / installation (see page 10). The unit leaves the factory in

temperature lock mode.

Normal Operation

Switch On Electricity at ceiling / isolating switch.

Press Start /Stop Button in the centre.

(Confirmed with a single bleep)

The unit will start and the motorised valve will reset. Display will

usually light up number 1.

This will increase until display shows number 6. The average

showering temperature.

When the unit has got close to this setting it sounds a double

bleep and the unit is ready for use.

The unit will only count up and double bleep once per shower

session.

Flow light (green) will be on high.

Button Function

Start / Stop

Flow

Warmer

Cooler

Location

At The Bottom Of The

Shower

Large, A Raised Pip In The Centre, Made From Soft

Rubber.

Same Shape As The Start /Stop But, Smaller Smooth

With No Raised Pip Recessed. Made From Soft Rubber.

Textured Front And A Central Recess With A Raised Pip

In The Centre. Made From Hard Plastic.

Same Shape As Warmer However Smooth With A Central

Recess, No Raised Pip. Made From Hard Plastic.

Above And To The Right Of

The Start / Stop

Towards The Top Right Of

The Shower

Underneath The Warmer

Button Following Curve

Shape / Texture

fig 1.

To Increase Temperature - Press the warmer button once in the

centre (Confirmed with a single bleep).

The number will change to the new setting.

i.e. Display will change from digit 6 to digit 7.

Wait for a few seconds for the shower to increase the temperature

to the new setting.

Repeat this for your ideal setting waiting each time for the

temperature to be achieved.

To Decrease Temperature - Press the cooler button once in the

centre (Confirmed with a single bleep)

The number will change to the new setting.

i.e. Display will change from digit 6 to digit 5.

Wait for a few seconds for the shower to decrease the temperature

to the new setting.

Repeat this for your ideal setting waiting each time for the

temperature to be achieved.

To Change Flow Rate - Press the flow button once in the centre

(Confirmed with a single bleep)

This reduces the flow without changing the temperature setting.

(Note: As the flow changes, the water temperature may go up and

down slightly).

Press once and the flow will reduce to medium.Press it again and

it will reduce to low.

On switching on the shower, the flow always comes on in the high

flow condition.

Switching Off

When you have finished showering press the Start / Stop button in

the centre. See fig. 1 (Confirmed with 3 short bleeps)

The water will continue to run for a few seconds so that the unit is

cooled down ready for the next time the shower is used.

While this is happening the display will circle round and round (see

fig.5).

The unit will then switch off automatically.

Switch Off Electricity at ceiling / isolating switch.

Press &

wait a few

seconds

Press &

wait a few

seconds

fig 2.

fig 3.

fig 4.

fig 5.

Over Temperature Shutdown

If an abnormal condition occurs which causes the water to get too

hot.

The unit will automatically shutdown straight away and the water

will stop flowing, this is to prevent any hot water coming out of the

handset.

This is indicated by 8 short bleeps and the display flashing a

lowercase “o” and then “t” (see fig.6). This will continue until the

water is at a safe temperature. The unit will then switch off

automatically and will need to be restarted in the normal way (see

“normal operation” section)

It can take a long time for the unit to reach a safe temperature.

To speed this temperature reduction up, the hot water can be

purged from the unit.

Purging

While the unit is in Over Temperature shutdown mode press the

cooler and flow button together for 20 seconds. (See fig.7)

This will switch the water on onlywhile the buttons are pressed.

Caution!!

Water Will Be Hot stand clear of the spray from the handset.

The unit will then switch off automatically with 3 short bleeps

when a safe water temperature has been reached.

Temperature Lock Operation

This mode is set on installation to prevent the temperature from

being changed. See section in commissioning Page 10.

All the controls are the same as previously described.

However, the warmer and cooler buttons do not work and the

temperature lock light will come on. The normal setting is now

number 5.

Temperature Lock Override

The temperature lock feature can be over ridden, while the shower is

running, by pressing the warmer and cooler buttons together for

more than three seconds.

The shower will revert back to normal operation. However, it will

return to temperature lock mode the next time it is used.

Press and

hold for 20

secs.

fig 6.

fig 7.

fig 8.

fig 9.

For 3 secs.

Handset Operation

Surf Sport Cascade

(Outer spray only) (Inner spray only) (Combination of inner/outer)

There are three defined spray plate settings adjustable by rotating the spray plate (see fig. 10). The modes

have a positive click to identify them.

The spray head rotates through approximately 130o.

In Order To Maintain The Performance Of Your Shower You Must Clean The Shower Head regularly.

All water contains particles of lime, which build up in the showerhead and unit reducing the performance. It is

therefore important to clean the showerhead by simply rubbing the rubber nozzles. The frequency of this will

vary from weekly to quarterly depending on the water hardness and experience.

In some winter conditions, when the incoming mains water is particularly cold it may be necessary to select

the inner or outer spray pattern only; this will ensure correct operation of the shower with a slightly lower

water flow rate. After use it is normal for some water to drip from the spray head for a few moments. This

helps prevent scale build up over prolonged use.

Routine Maintenance

It is recommended that the unit and

accessories be cleaned using a soft

cloth.

DO NOT use abrasive or solvent

cleaning fluids. It is advisable to

switch off the shower at the

isolating switch to avoid the

shower accidentally switching on.

Fig. 11

Fig. 10

Temp Lock

Switch Terminal Block

Logic PCB

Thermal

Cutout

Heat

Exchanger

Rating

Plate

Solenoid

Valve

Side

Section

Power

PCB

Brass

Cooler

Flow

Transducer

Motor

Flow Valve

Pressure

Relief

Valve

Outlet

Temp

Sensor Outlet

How Your Shower Works

1. Water is heated instantaneously as it flows over the heaters in the plastic heat exchanger assembly.

2. The shower automatically adjusts the power to the heating elements and flow of water to achieve the

selected water temperature. The electronics senses the incoming water temperature and the flow of

water through the heat exchanger. It then works out how many heaters to switch on so that the shower

temperature matches the temperature selected by the buttons.

3. The amount of hot water available at the selected temperature is limited by the total power of the heater.

The ideal flow rate is calculated and adjusted automatically.

4. The water is turned on and off by the solenoid valve built into the shower.

5. A stabiliser is built into the flow valve to automatically compensate for small fluctuations in water

pressure that frequently occur in households. There are three further controls to cater for exceptional

reductions in water pressure to prevent the shower from getting too hot.

a) If the flow of water is less than 1.0 l/min the power to the elements is switched off, but the solenoid

valve remains open allowing water to flow through the shower.

b) If the outlet temperature sensor senses an excessive temperature the flow of water and the heating

elements will automatically switch off. The electronics will signal over temperature condition (see

“over temperature shutdown” section).

c) A two stage mechanical thermal cut-out is mounted on the top of the heat exchanger independent of

the electronics. Stage one switches the power off to the elements if it senses an excessive

temperature. The switch operates with an audible click and will reset if cold water is run through the

shower. Stage two only operates if an extreme temperature is sensed. The cut out will permanently

switch off and it will then have to be replaced.

6. A pressure relief device is fitted to safeguard against other extreme conditions. If this operates a

replacement part will be required.

Troubleshooting

If the performance of the shower deteriorates in service, follow the checks in the “self help” table opposite

before calling out the contractor. Any one of the simple adjustments could restore the performance.

If these fail to restore the performance you should seek professional help.

The person who installed the shower is probably the best one to repair it and is certainly the person to

contact if you have a problem in the guarantee period.

Self Help Check List

a) Water too HOT Press the cooler button when in NORMAL operation.

Clean spray plate holes.

b) Water too COLD Press the warmer button when in NORMAL operation.

c) Spray pattern poor Clean spray plate. Select outer / inner only.

d) Display behaves erratically Switch off electricity at ceiling / isolating switch, wait a few

seconds, switch on again. (Note the shower should be

switched off each time after use at the ceiling switch).

e) Water does not flow when Start / Stop Note: It there is no water flowing then the shower will

button is pressed automatically switch off after 30 seconds

lights on Check the water supply is turned on.

“o” and then “t” flashing in display Unit in over temperature mode see section on “purging”

no lights Check ceiling switch is on. Check power is on.

f) Warmer / cooler buttons do not Unit in “temp lock” mode. See relevant section on how to

function override.

g) Unit makes a whirring noise, This is normal. There is a motor inside the shower used to

especially at the start of the adjust the flow and this always operates at the start of

shower session each shower.

Professional Service Check List

This additional checklist is provided for the benefit of the qualified service representative.

Warning. Switch Off The Electricity At The Isolating Switch Before Removing The Front Cover To Make

Checks.

a) Poor temperature control Check inlet / outlet thermistors to see if they are in circuit.

Check for blockage in filter of solenoid valve.

Check board configuration for correct power rating.

b) Water too COLD Check circuit through thermal cut-out.

Check circuit through all 4 elements. Test should be done

using a low voltage resistance meter whilst the power is

switched off at the isolating switch.

Check circuit through triacs.

Check working voltage.

c) Poor or no control over water flow Replace inlet flow valve assembly.

d) No water when start button is pressed Check water supply. Check circuit through solenoid coil. If ok

replace logic PCB.

e) Unit has been switched off using stop Replace triac PCB.

button but can be heard heating the

water.

f) Pressure relief valve blown Check for cause of high pressure and remove it.

Replace pressure relief valve.

g) Temperature buttons do not function Unit is in templock mode. Remove cover and change position

of templock switch to OFF (see Fig. 15 for location) or explain

feature to user.

h) Shower runs cold for about 30 seconds Flow transducer fault. Check that internal blade "spins" when

and then switches off by itself the water flows. If not, replace. 7

Installation Instructions

The installation should be done by qualified personnel and checked by the electricity supply authority.

We recommend that the installation be done in the following sequence:–

a) Fix the shower to the wall

b) Plumbing

c) Electrical connections

d) Commissioning

Warning: Do Not Install The Shower In A Room Where It May Be Subject To Freezing

a) Fix The Shower To The Wall

When deciding where to place the unit a few things need to be taken into consideration: -

1) The unit must not be mounted directly in the path of the spray from the handset.

2) The handset could be used over a sink for hair washing.

3) The handset does not come into contact with

the used water in the cubicle, bath or basin.

A hose retainer is supplied with the

accessories (see fig 16 & 17).

4) The unit can be mounted at a lower level

for less able users combined with optional

extended hose and riser rail. The installation

must comply with BS 8300: 2001.

(Design of buildings and their approaches

to meet the needs of disabled people.

Code of practice). Remembering to adhere

to point 1.

5) Choose a flat piece of wall to avoid the

possibility of distorting the backplate and

making the front cover a poor fit.

Remove the three cover screws and lift the

shower cover off.

Remove side section complete with seal.

Depending on which water entry is being used

(top or bottom) break out the relevant rear

support rib using a pair of pliers (see fig 12).

Identify which pipe and cable entry needs to be

cut to enable the services to enter the shower

(top or bottom, no trimming required for rear entry)

then fit them to the backplate (see fig 12).

Hold the shower vertically against the wall and

mark the top hole first.

Drill the hole to take the rawl plug provided

(taking care to keep dust away from the shower).

Put the top screw in first leaving it proud by

5mm approx. The shower can now be hung on

this screw.

Typical guideline dimensions used for

less abled bathroom installations.

Position the shower so that it is vertical then mark and drill the

other two holes. Then fix the shower to the wall.

Assemble the accessories as shown in fig 16 (or 17 for style

accessories). Fix the riser rail with screws provided. The fixing holes

are revealed by removing the plastic fronts.

A grab rail is provided with the Selectronic "plus" shower. This is to be

mounted according to BS8300: 2001. The screw fixings used will vary

on wall type and thickness but must be strong enough to carry a

persons weight (fixings not supplied).

b) Plumbing

We recommend that a WRAS (Water Regulations Advisory Scheme)

listed isolating valve be fitted between the rising main and the unit.

This will allow the unit to be serviced without having to turn off the

house water at the stop valve.

The unit should be connected to the mains cold water supply. This

must have a minimum running pressure of .07 Mpa (0.7bar / 10 p.s.i.)

and a maximum pressure of 1Mpa (10bar/145 p.s.i.).

The unit can be fed from a header tank provided this has a minimum

head of 7 metres (23ft).

In extreme cases of low water pressure consideration should be given to a pump from the stored water.

Standard 15mm copper or stainless pipe should be used. Connection to the unit is via a 15mm plain shank

on the solenoid valve. A compression elbow or push fit connector can be used. (Stainless pipe is not

recommended for push fit).

Using an Isolating valve, flush the pipe work through to remove particles etc., before making the final

connection to the shower. A blockage in the waterways (particularly the spray plate and solenoid valve) will

prevent the unit from working correctly.

The shower is designed to have an open outlet and should only be used with the fittings recommended by

the manufacturer.

Warning!! Do Not Fit A Tap On The Shower Outlet. Take Care To Avoid Restricting The Outlet Of The

Pressure Relief Device. (see fig. 11 for location)

c) Electrical Connections

The electrical installation must be in accordance with the current BS7671 (I.E.E. wiring regulations)

If in doubt contact our after sales service department for a data sheet.

The unit is designed for a single phase 50 Hz a.c. electrical supply.

Please check the rating plate on the unit to see what details apply to

your unit.

In order to provide a means of isolation, the unit Must Be

permanently connected to the electrical supply through a double pole

switch with a minimum contact gap of 3mm in each pole mounted in

a convenient position. We recommend pull cord ceiling switches.

The cable should be stripped back according to fig.13

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.

Warning: Failure To Comply With These Instructions Could Result In A Failure Of The Terminal Block.

Warning: This Appliance Must Be Earthed

Fig. 13

Fig. 12 (rear view)

The earth continuity conductor of the electrical installation MUST BE effectively connected electrically to all

exposed parts of the appliances and services in the room in which the water heater is to be installed in

conformity with the current BS 7671 (I.E.E. wiring regulations)

Replace the side section along with seal.

Connect flying lead from front cover to PCB. Replace

the front cover and fasten in position with three screws.

d) Commissioning

The unit is supplied in TEMPLOCK mode. It is

recommended that the commissioning be carried out in

NORMAL mode.

Ensure the water and electricity are switched on to the

unit. Press the START/STOP button then change the

temperature setting to number 1 by pressing the

COOLER button 5 times.

Allow the unit to fill and wait for the water to come out of

the handset.

Change setting up to number 6 by pressing the warmer

button, check that the outlet temperature increases to

comfortable temperature and that, when pressing the

flow button the flow does change.

Check for leaks.

Press START/STOP button to switch the unit off.

This completes the commissioning. The unit then

can be set back into TEMPLOCK mode if required.

Demonstrate Operation To User.

Please leave these instructions with user for future

reference.

Changing The Operating Mode Templock/Normal

Warning. Switch Off The Electricity At The Isolating

Switch Before Removing The Cover.

After the unit is commissioned, it can be switched to

temperature lock mode or normal mode. Remove the

front cover taking care not to strain the flying lead.

Change the temp.lock switch from ON to OFF

depending on whether it is required or not.

(see fig. 15 for location). Replace and refasten the

front cover.

Switch on electricity. Check that the unit operates

correctly (see temperature lock operation section).

Fig. 14

Fig. 15

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