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19

Action

Check that the supplies  
correspond with the inlet
markings

Check the flow rate
recommendations with         
the heater manufacturer

Adjust the flow control knob on 
the mixer valve to reduce flow 
until a comfortable showering or
bathing temperature is achieved

Symptom

Water output is either all hot
or all cold, or cold only

Possible cause

Reversed inlet supplies 

Check that the pipe work is laid
out in accordance with correct
practices, paying particular 
attention to potential air-traps

If the static water pressure
exceeds 10 bar, install a pressure
reducing valve (PRV) in 
accordance with the installation
guide

Airlock in the hot water   
supply 

Water temperature swings 
regularly between hot and cold

Flow rate is poor and water
temperature is low

Cold water pressure is too high

Poor flow rate

Twisted hose

Debris in shower head

Debris in filters

Debris in cold inlet flow regulator
(combi boiler systems)

Check for debris and clear as
necessary

The temperature of the hot
water cylinder is too low 

Water output is not hot
enough

The cylinder temperature
should be at least 15˚c  
hotter than the blend

Water flow through the hot
water appliance is too fast 

Water flow through the hot
water appliance is too fast
(Bath/shower mixers on 
combination boiler systems)

Fit the flow regulator

Trouble shooting guide

The flow regulator has not been
fitted (Combi boiler systems)

Dream installation guide:Dolphin install Guide  18/1/11  09:53  Page 19

Summary of Contents for dream

Page 1: ...Dream Thermostatic mixer shower with 105mm Harmony head Installation guide ...

Page 2: ...ities p 5 Combination boiler systems p 5 Balanced high pressure sytems p 5 Typical water systems p 6 System components p 8 Valve installation instructions p 9 Dream concealed valve p 9 Harmony shower head installation p 12 Adjustable height Harmony head p 12 Fixed Harmony head p 15 User guide Shower valve p 16 Adjustable height Harmony head p 16 Fixed Harmony head p 17 Cleaning maintenance p 17 Co...

Page 3: ... combination boiler applications If any doubt please contact the appliance manufacturer before installation commences Connections Dream products are designed for conventional supplies with HOT on the left and COLD on the right as viewed from the front Dream shower valves incorporate push fit type connections for use with 15mm British standard copper tube Tube should be cut using a rotary type cutt...

Page 4: ...ridge is designed to operate from the mains at a maximum of 10bar If the mains pressure likely to exceed 10bar a drop tight PRV must be fitted on the supply pipe after the main stopcock A setting of 3bar is recommended It should be noted that daytime pressures approaching 8bar can rise above the stated maximum overnight A suitable PRV is available from Aqualisa Dream products are not suitable for ...

Page 5: ...f meeting the anticipated demand Combination boiler multipoint system Dream products are suitable for use with combination boiler systems The combination boiler MUST have a minimum rating of 24kW 80 000 Btu and be of the type fitted with a fully modulating gas valve This is sufficient to operate one outlet at a time If in any doubt please contact the appliance manufacturer before installation comm...

Page 6: ...6 Typical system diagrams Typical pumped system installation Typical gravity system installation ...

Page 7: ...Typical system diagrams continued Typical combination boiler system installation Typical thermal storage unit system installation Typical UHW system installation 7 ...

Page 8: ...Components Dream concealed with adjustable 105mm Harmony head 8 Components Dream concealed with fixed 105mm Harmony head ...

Page 9: ...eive the valve and pipe work If installing the valve in a concealed panel mounted situation in most cases it will be necessary to first install a suitable sound fixing in the cavity area before fixing the valve A hole of Ø130mm is required to install the valve and gain access to inlet and outlet connectors The valve needs to be mounted to the depth shown at the following centres The distance betwe...

Page 10: ...a gas fired instantaneous multipoint water heater or a combination boiler the cold water flow regulator must be fitted at this stage by insertion into the cold water port as shown ensuring the o ring faces the incoming flow the flow regulator is supplied in its own pack 10 The Dream valve is supplied with an outlet cap on the bottom of the valve allowing for a top outlet connection The bottom outl...

Page 11: ...er must be in alignment before the knob can be fitted 15 Turn on the supply and check for any leaks upstream of the valve Slowly open the control and check for leaks downstream of the valve If all is sound again turn the on off control fully clockwise and turn off the supply 17 Refit the temperature preset override ring coloured and the temperature preset location ring white if removed prior to in...

Page 12: ...ver in the full cold 9 o clock position Secure using the temperature lever screws hand tight only 21 Refit the on off knob onto the valve ensuring the correct alignment with the shaft as detailed in step 14 Using the grub screw and hexagonal key provided secure the knob to the valve 22 Secure the lever to the on off knob assembly 23 Remove the protective caps from the on off and temperature levers...

Page 13: ...based lubricant 5 Remove the locking screw rotate the chrome outlet assembly and remove the outlet from the wall mounting plate 6 Place the wall outlet mounting plate onto the pipe assembly and mark and prepare the fixing points using the fixings provided if suitable 7 Secure the wall mounting plate to the wall using the screws provided if suitable 8 Place the wall outlet onto the mounting plate w...

Page 14: ...ate that the handset should not be allowed to pass a point 25mm above the spill over level of the bath or shower tray If this cannot be achieved the hose must be passed through the gel hook which has also been designed to be utilised as a hose restraint 15 Place the rail assembly onto the bottom fixing bracket taking care to engage the rail location slots on the bracket lugs 16 Place the top fixin...

Page 15: ... using a rotary type cutter If a hacksaw is used the pipe end must be carefully de burred and chamfered 4 Clean and lubricate the pipe using a suitable silicone based lubricant 5 Carefully side the fixed head cover plate down the fixed head arm taking care not to damage the plating 6 Offer the fixed head arm into position over the pipework assembly and mark and prepare the fixing points using the ...

Page 16: ...ature using the temperature markings as a guide 3 Turn the on off lever fully clockwise into the closed position after use Adjustable head user guide 1 Rotate the sprayplate lever clockwise or anti clockwise to select the desired spray pattern N B When the lever is in the 3 o clock position when viewed from below the water saving mode is selected This provides the same spray pattern as position 3 ...

Page 17: ...g and maintenance Once a week with the shower valve fully open we recommend turning the temperature control lever from full cold through to full hot several times to activate the internal valve anti scale mechanism Your Aqualisa shower system should be cleaned using only a soft cloth and washing up liquid DO NOT USE ABRASIVE CLEANERS To reduce the requirement for chemical descaling in hard water a...

Page 18: ... ring and re set in the appropriate direction to increase clockwise or decrease anti clockwise the temperature where the override button needs to be pressed 7 Depress the stop button and replace the temperature lever in the full cold position Push the on off knob into position fully home but do not secure with the grub screw at this stage 8 Test the shower by turning it on and slowly increasing th...

Page 19: ...nce with the installation guide Airlock in the hot water supply Water temperature swings regularly between hot and cold Flow rate is poor and water temperature is low Cold water pressure is too high Poor flow rate Twisted hose Debris in shower head Debris in filters Debris in cold inlet flow regulator combi boiler systems Check for debris and clear as necessary The temperature of the hot water cyl...

Page 20: ...l enquiries aqualisa co uk Republic of Ireland Sales enquiries 01 864 3363 Service enquiries 01 844 3212 Please note that calls may be recorded for training and quality purposes The company reserves the right to alter change or modify the product specifications without prior warning Registered Trademark Aqualisa Products Limited Part No 660601 Issue 01 Jan 11 ...

Page 21: ...Pdf Supplied By http www plumbworld co uk ...

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