Keston qSpa Installation And Servicing Instructions Download

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qSpa -

Installation and Servicing

Keston

pursues a policy of continuing improvement

i n t h e d e s i g n a n d p e r f o r m a n c e o f i t s p r o d u c t s .

The right is therefore reserved to vary specification without notice.

Keston Heating

, PO Box 103, National Avenue, Kingston Upon Hull, HU5 4JN

Tel. +44 (0) 1482 443005 Fax. +44 (0) 1482 467133. www.keston.co.uk

Summary of Contents for qSpa

Page 1: ...rvicing Instructions qSpa qSpa Solar Keston Heating PO Box 103 National Avenue Kingston Upon Hull HU5 4JN Tel 44 0 1482 443005 Fax 44 0 1482 467133 email info keston co uk web www keston co uk December 2011 UIN 208118 A01 ...

Page 2: ...Before lifting ensure you have a good hold e Taking the lead for team lifts As more than one person is required for these products ensure that one person is taking the lead This may be you so ensure that each person that is helping is made aware of the weight and of the items listed within this assessment Make sure you and any others helping know the route you intend to take that it is clear of an...

Page 3: ...y GB IE CONTENTS Benchmark Commissiong Checklist 26 27 Commissioning 20 Design 6 7 Fault Finding 22 23 General Data Table 8 9 General Information 4 5 Installation 10 20 Manual Handling 2 Schematics 15 18 Servicing Maintenance 21 Short List of Parts 24 Wiring Diagrams 19 ...

Page 4: ...perts or consultants concerned with the installation s Please note that we do not therefore accept any responsibility for matters of design selection or specification for the effectiveness of an installation or system containing one of our products unless specifically requested to do so in writing All goods are sold subject to our Conditions of Sale which are set out at the rear of this specificat...

Page 5: ...ken and the route should be even In apartment buildings containing a number of storeys we would recommend that the appliances are moved vertically in a mechanical lift If it is proposed to use a crane expert advice should be obtained regarding the need for slings lifting beams etc A specific manual handling assessment is shown on page 2 of this manual MAINTENANCE Modifications should not be made t...

Page 6: ...inder and is provided with a high efficiency internal primary coil which is designed for use with a gas or oil boiler and is suitable for both open vented and sealed pumped primary systems When used with a sealed heating system the boiler must incorporate its own energy cut out overheat thermostat qSpa indirect models are listed on Table 1 page 8 qSpa Solar qSpa Solar indirect is an unvented hot w...

Page 7: ...hermostat E Two port 22mm zone valve for primary circuit F Wiring junction box for primary system qSpa Solar Basic Appliance 1 Hot water draw off 22mm compression 2 Temperature pressure relief valve 95 6 bar 3 Hot water secondary return 22mm not fitted to smaller sizes see table 2 4 Immersion heater 1 BSP 3kW 5 22mm cold supply 6 Dual control Overheat stat pocket 7 Primary return 22mm 28mm tails f...

Page 8: ...n a n a n a n a 1053 22mm Primary Return Compression Connection 28mm tails for 400 litre model I mm 223 223 223 223 223 223 223 223 614 654 702 815 766 22mm Primary Flow Compression Connection 28mm tails for 400 litre model J mm 312 312 392 392 392 472 522 533 834 914 1002 1115 1026 22mm Solar Return Compression Connection K mm n a n a n a n a n a n a n a n a 223 223 223 223 238 22mm Solar Flow Co...

Page 9: ...All connections are supplied with compression fittings for direct connection to copper pipework 4 The heat up times shown for the D400 model indicate the times when 1 or 2 immersions are connected 5 The diagrams shown are generic For exact product specification refer to the table eg the number of immersion heaters varies depending on model 6 Heat up and recover times based on 0 25 l s primary flow...

Page 10: ...re subject to district pressures and system dynamic loss Particularly on larger properties with more than one bathroom the pipe sizes should be calculated in accordance with BS6700 Model Selection Where selecting a solar model it is important to check the dedicated solar volume shown in tables 1 2 is suitable for the total floor area of the dwelling to ensure compliance with Building Regulations T...

Page 11: ... orientation and located so that the length of the connecting pipe work is kept to a minimum Shower Fittings Aerated taps are recommended to prevent splashing Any type of shower mixing valve can be used as long as both the hot and cold supplies are mains fed However all mains pressure systems are subject to dynamic changes particularly when other hot and cold taps showers are opened and closed whi...

Page 12: ...a Be at least one pipe size larger than the nominal outlet size of the safety device unless its total equivalent hydraulic resistance exceeds that of a straight pipe 9m long i e discharge pipes between 9m and 18m equivalent resistance length should be at least two sizes larger than the nominal outlet size of the safety device between 18 and 27m at least 3 sizes larger and so on Bends must be taken...

Page 13: ... installed where discharges form safety devices may not be apparent i e in dwellings occupied by blind infirm or disabled people consideration should be given to the installation of an electronically operated device to warn when discharge takes place Safety The safety devices supplied or fitted on a qSpa are selected for their suitability for the temperatures and pressures involved They must not b...

Page 14: ...e water quality is poor ensuring improved performance and extended operational life This can be purchased as a spare part from Ideal Heating see short list of parts page 24 Line Strainer This is integral within the combination inlet group to reduce the likelihood of contaminants fouling the valve seat Following installation this line strainer must be cleaned and replaced This needs to be carried o...

Page 15: ...upply pipe provided a Listed double check valve or some other no less effective backflow prevention device is permanently connected at the inlet to the circuit and the temporary connection is removed after use Alternatively a CAdevice can be used which will allow the system to be permanently connected to the cold mains supply The primary system can then be topped up when required in the same way a...

Page 16: ...ut out and the pump valve will only allow heat transfer as required under control of the solar controller The solar pocket provided accommodates an 8mm diameter sensor which with the sensor located in the solar collector or in the flow pipe immediately adjacent to the collector will provide the information required by the solar controller Note If the motorised valve is not used then any factory bu...

Page 17: ... diagrams opposite shows how the blending valve can be piped onsite Figure 1 shows the cold water port of the blending valve connected to the mains cold water supply before the inlet control group This arrangement is completely unacceptable and illegal because the water is allowed to expand in to mains cold water supply the vessel will be charged to the incoming mains supply which may be considera...

Page 18: ...Check Valve Standard 10 way wiring junction box Not supplied This valve must be fitted on the return to the solar panels and be suitable for higher temperatures operation Not supplied No isolation valve should be installed between the solar circuit and the safety valve pressure relief valve Blue Bl Brown Br Green Grey Green Yellow G G G Br Bl Br Bl Gr G Y WIRE COLOUR LEGEND Black Orange Yellow Whi...

Page 19: ...TH TWO 2 PORT VALVES AND BOILER CONTROLLED PUMP OVERRUN OPTION Br Bl G Y B Br Or ELECTRONICS 1 9 8 7 6 5 4 3 2 10 11 12 N L 1 2 3 4 OFF ON OFF ON HW CH 1 2 3 4 Room Thermostat Central Heating Control 1 C 2 2 C 1 Dual Cylinder Stat Overheat Stat Spade connectors required for earth connections Control Stat L N E Mains Supply Fed Via Double Pole Isolator 230 VAC 5 Amps HTG VALVE HW VALVE Typical sche...

Page 20: ...mediately on completion of the disinfection procedure Damage caused through a failure to do this adequately will not be covered by the warranty For the above reasons we recommend the use of a non chlorine based disinfectant such as Fernox LP Sterox as manufactured by Cookson Electronics when carrying out disinfection of systems incorporating these appliances Allow the cylinder to heat to normal wo...

Page 21: ... the operation of the expansion relief valve 4 Check discharge pipes from temperature and expansion relief valves are free from obstruction and blockage and are not passing any water 5 Check the condition and if necessary descale the heat exchangers in hard water areas 6 Check that water pressure downstream of pressure reducing valve is within the manufacturers limits 7 Check operation of motorise...

Page 22: ... PASSED UNDER ANY CIRCUMSTANCES If the units are not getting hot and the heat source is electrical ensure that the immersion heaters are isolated from the mains before re setting the energy cut out If the immersion heater s need replacing this should be done with the units supplied from Keston Heating Discharge From Relief Valves If cold water is discharging from the expansion relief valve into th...

Page 23: ...eck by supply company required Clean or replace strainer as appropriate Service replace PRV as appropriate START END Is incoming mains supply flow pressure adequate Is in line strainer in combination valve clean YES YES YES YES NO NO NO Clear obstructions Is system free from restrictions blockages YES NO Is pressure reducing valve in combination valve working FAULT Water Discharge Into Tundish Cle...

Page 24: ...up set at 3 bar c w expansion relief valve set at 4 75 bar 1 176750 5 flexible hose 1 176755 7 12 litre expansion vessel 1 176751 8 18 litre expansion vessel 1 176752 9 24 litre expansion vessel 1 176753 10 35 litre expansion vessel 1 176754 12 22mm 2 port valve indirects only 1 176758 13 Junction wiring box 12 way 1 176759 14 Control and overheat limit thermostat 1 176757 15 15mm x 22mm tundish 1...

Page 25: ...25 qSpa Installation and Servicing ...

Page 26: ...ombined temperature and pressure relief valve and expansion valve been fitted and discharge tested Yes No The tundish and discharge pipework have been connected and terminated to Part G of the Building Regulations Yes Are all energy sources fitted with a cut out device Yes No Has the expansion vessel or internal air space been checked Yes No THERMAL STORES ONLY What store temperature is achievable...

Page 27: ...elephone Number Comments Signature SERVICE 3 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 4 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 5 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 6 Date Engineer Name Company Name Telephone Number Comments Signature SERVICE 7 Date Engineer Name Company Name Telephone N...

Page 28: ...vement i n t h e d e s i g n a n d p e r f o r m a n c e o f i t s p r o d u c t s The right is therefore reserved to vary specification without notice Keston Heating PO Box 103 National Avenue Kingston Upon Hull HU5 4JN Tel 44 0 1482 443005 Fax 44 0 1482 467133 www keston co uk ...

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