background image

Page 2

Section  

Page

DESIGN 

 

Description    

3                     

 

Technical Information 

6

 

System Design 

10

  

INSTALLATION

 Installation 

12 

 

 Commissioning 

22

 

USER INSTRUCTIONS

 23

 

SERVICING AND MAINTENANCE 

 

Servicing and Maintenance 

24

 

Fault Finding 

25

 

Short Parts List 

28

APPENDIX

 

Appendix A 

29

 

Appendix B 

30

 Notes 

31

 

Terms & Conditions 

32

 

Benchmark Checklist 

34

 

Benchmark Service Record 

35

ISSUE 23: MARCH 2016

These instructions should be read in conjunction with the installation/servicing 

instructions issued by the manufacturer of the heat source being used.

Any installation must be in accordance with the relevant requirements of the Gas 

Safety Regulations, Building Regulations, I.E.E. Wiring Regulations and the Water Fitting 

Regulations (England and Wales) or Water Byelaws (Scotland). It should be read in 

accordance with the relevant recommendations of the following:

BS 6798; BS EN 12828, BS EN 12831, BS EN 14336; BS 5546;

BS 5440:1; BS 5440:2; CP 331:3

BS EN 806-1 to 5, BS EN 8558:2011: BS EN 1458-1:2011 and BS 7593:2006

Stainless Lite is covered by Section G3 of the Building Regulations (England and Wales) 

Technical Standard P3 (Scotland) and Building Regulation P5 (Northern Ireland). 

Compliance can be achieved via a Competent Person Self Certification Scheme or 

notificaton of installation to the Local Authority Building Control Department.

It must be installed by a competent person as defined by the relevant regulations.  

Manufacturers notes must NOT be taken as over-riding statutory obligations.

This appliance is not intended for use by persons (including children) with reduced 

physical, sensory or mental capabilities, or lack of experience and knowledge unless 

they have been given supervision or instruction concerning use of the appliance by 

a person responsible for their safety. Children should be supervised at all times to 

ensure they do not play with the appliance.

This information is provided to assist generally in the selection of equipment.

Responsibility for selection and specification of our equipment must however remain 

that of our customer and any experts 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 

specification.  In the interest of continuously improving the Stainless Lite range, Gledhill 

Building Products Limited reserve the right to modify the product without notice, and 

in these circumstances this booklet, which is accurate at the time of printing, should 

be disregarded.  An updated set of Instructions will be produced and supplied with 

new appliances and will be made available for other appliances on request.  

Stainless Lite is produced under an ISO 9001:2008 Quality Management System 

approved by BSI.

Benchmark places responsibilities on both manufacturers and installers. The purpose is to 

ensure that customers are provided with the correct equipment for their needs, that it is 

installed, commissioned and serviced in accordance with the manufacturers instructions 

by competent persons and that it meets the requirements of the appropriate Building 

Regulations. The Benchmark Checklist can be used to demonstrate compliance with 

Building Regulations and should be provided to the customer for future reference.

Installers are required to carry out installation, commissioning and servicing work 

in accordance with the Benchmark Code of Practice which is available from the 

Heating  and  Hot  Water  Industry  Council  who  manage  and  promote  the  Scheme.                                                             

Visit www.centralheating.co.uk for more information.

For further information on the HWA Charter Statement, please refer to the HWA website 

hotwater.org.uk.

Summary of Contents for StainlessLite D120

Page 1: ... litres Stainless Lite Indirect 90 400 litres Stainless Lite Solar Direct 180 400 litres Stainless Lite Solar Indirect 180 400 litres Stainless Lite Slimline Direct 60 210 litres Stainless Lite Slimline Indirect 60 210 litres StainlessLite Unvented mains pressure water storage in Duplex stainless steel ...

Page 2: ...hey do not play with the appliance This information is provided to assist generally in the selection of equipment Responsibility for selection and specification of our equipment must however remain that of our customer and any experts or consultants concerned with the installation s Please note that we do not therefore accept any responsibility for matters of designselectionorspecification forthee...

Page 3: ...cut out thermostat setting 85 C Max working pressure Primary heat exchanger Indirect models 6 bar Max working pressure Solar heat exchanger Solar models 10 bar Immersion heater rating 3kW 240V AC All cylinders are manufactured in accordance with the requirements of BS EN 12897 The tundish must be positioned so that it is visible to the occupant and is away from electrical devices Components suppli...

Page 4: ...city Figure 3 4 StainlessLiteIndirectSolar Forproviding hotwaterbysolargainsandgasoroilboilers Figure 4 Unvented cylinders must not be used with solid fuel boilers or steam as the energy source Stainless Lite Direct Stainless Lite direct is an electrically heated unvented hot water storage cylinder designed primarily for use with off peak electrical supplies It is supplied fitted with two 3kW imme...

Page 5: ...less Lite indirect is an unvented hot water storage cylinder 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 A high efficiency second solar coil is positio...

Page 6: ...00 37 337 3 35 D400 ASL0031 XL D 118 36 7213 L M 62 15 Y 400 48 448 3 2 x 24 Direct Slimline D60 SL ASL475D60 M D 40 35 2341 62 15 Y 60 13 73 3 12 D90 SL ASL475D90 M D 52 34 2407 62 15 Y 90 16 106 3 12 D120 SL ASL475D120 L D 59 36 4561 M 62 15 Y 120 22 142 3 12 D150 SL ASL475D150 L D 68 36 4609 M 62 15 Y 150 30 180 3 18 D180 SL ASL475D180 L D 76 37 4522 M 62 15 Y 180 31 211 3 18 D210 SL ASL475D210...

Page 7: ...198 n a 3 12 705 475 462 n a n a 348 197 n a n a n a n a n a n a n a n a n a 60 n a 3 12 978 475 734 n a n a 348 197 n a n a n a n a n a n a n a n a n a 90 n a 3 12 1250 475 1006 n a 650 348 197 55 n a n a n a n a n a n a n a n a 119 n a 3 18 1520 475 1278 n a 785 423 197 70 n a n a n a n a n a n a n a n a 150 n a 3 18 1790 475 1548 n a 921 423 197 85 n a n a n a n a n a n a n a n a 179 n a 3 24 1...

Page 8: ...3 35 1992 550 1720 1577 1077 522 IND400 ASL0066 D 118 400 55 455 3 2 x 24 2030 630 1784 1577 1151 542 Indirect Slimline IND60 SL ASL475IND60 B 40 60 14 74 3 12 705 475 462 n a 352 348 IND90 SL ASL475IND90 C 52 90 19 109 3 12 978 475 734 n a 392 348 IND120 SL ASL475IND120 C 59 120 23 143 3 12 1250 475 1006 n a 432 348 IND150 SL ASL475IND150 C 68 150 28 178 3 18 1520 475 1278 n a 462 423 IND180 SL A...

Page 9: ...3 533 n a n a n a n a n a n a 30 5 1 27 0 310 n a n a 41 n a 352 348 n a 28 242 242 179 329 n a n a n a n a n a n a 15 0 59 0 165 n a n a 13 n a 392 348 n a 54 359 359 179 329 n a n a n a n a n a n a 16 5 0 59 0 165 n a n a 17 n a 432 348 n a 75 423 423 179 329 n a n a n a n a n a n a 18 0 59 0 165 n a n a 21 n a 462 423 n a 102 514 514 179 409 n a n a n a n a n a n a 18 5 0 68 0 191 n a n a 25 n ...

Page 10: ...sure relief valve 92 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 compression 6 Immersion heater 1 BSP 3kW 7 Dual control overheat stat pocket 22mm 8 Boiler control sensor pocket spare 9 Primary return 22mm 28mm tails for 400 litre models 10 Primary flow 22mm 28mm tails for 400 litre models Part G3 loose componen...

Page 11: ...draw off 22mm compression 2 Lift up temperature pressure relief valve 92 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 solar 7 Primary return 22mm 28mm tails for 400 litre models 8 Primary flow 22mm 28mm tails for 400 litre models 9 Dual control Overheat stat pocket boiler 10 So...

Page 12: ...del Selection Guide Max hot water demand Bedrooms Indirect litres Direct litres 1 shower room Bedsit 180 1 bathroom 1 3 180 1 bathroom 1 3 210 1 bathroom 1 shower room 1 3 210 1 bathroom 1 shower room 1 3 250 1 bathroom 2 shower rooms 2 4 250 1 bathroom 2 shower rooms 2 4 300 2 bathrooms 1 shower room 3 4 300 2 bathrooms 1 shower room 4 5 400 2 bathrooms 2 shower rooms 4 5 400 INSTALLATION INSTALL...

Page 13: ...cting pipe work is kept to a minimum Shower Fittings Aerated taps are recommended to prevent splashing Any type of shower mixing valve canbeusedaslongasboththehotandcoldsuppliesaremainsfed However allmains pressure systems are subject to dynamic changes particularly when other hot and cold taps showersareopenedandclosed whichwillcausechangesinthewatertemperature at mixed water outlets such as show...

Page 14: ...the discharge be of metal and a Be at least one pipe size larger than the nominaloutletsizeofthesafetydeviceunless 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 leasttwosizeslargerthanthenominaloutlet size of the safety device between 18 and 27m at least 3 sizes larger and so on Ben...

Page 15: ...lve Pump ERV Combination Inlet Group Combines elements 1 2 and 3 below 1 Pressure Reducing Valve This must be fixed near the cylinder The cold water supply to any mixer taps showers must be taken from thecoldwatertappingofthisvalvetoensure balanced hot and cold pressures This valve isfactorysettoensurethecorrectoperating pressure for the Stainless Lite 2 Non Return Valve This is integral with the ...

Page 16: ...thermostat Shouldthisoperate investigatethe cause for the operation cut out before pressing theredresetbuttonlabelledsafety Ifthereisno apparent fault adjust the control setting down slightly to prevent nuisance tripping If another heat source is used to heat the cylinder and this is allowed to raise the water temperature excessively then the overheat thermostat will trip This is likely on solar t...

Page 17: ...ipe 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 CA device 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 as an o...

Page 18: ... 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 built hydraulic stati...

Page 19: ...w 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 considerably higher than the working...

Page 20: ...nvented Cylinder T Anti Gravity Check Valve Pressure Relief Valve Anti Gravity 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 Solar Controller Schematic Sh...

Page 21: ...ED 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 schematic wiring diagram for an unvented ins...

Page 22: ...sinfection agent can cause damage unless the appliance is adequately flushed and refilledwiththemainswaterimmediatelyoncompletionofthedisinfectionprocedure Damage caused through a failure to do this adequatelywillnotbecoveredbythewarranty Forthereasonsmentioned werecommendthe useofanonchlorinebaseddisinfectantsuchas Fernox LP Sterox as manufactured by Cookson Electronics when carrying out disinfec...

Page 23: ... surge in flow may be experienced which disappears as the pressure in the system stabilises This is quite normal with these types of systems and does not indicate a fault In some areas the water will initially appear cloudy but will quickly clear when left to stand This is nothing to be concerned about and is due to aeration of the water WARNING Ifwaterisseenflowingthroughthetundish thisindicatesa...

Page 24: ...s 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 motorised valve 8 Check the pressure on the air side of the expansion vessel This must be done when the volume in the cy...

Page 25: ...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 Gledhill Building Products Limited Same day despatch to approved installers can be arranged by telephoning 01253 474402 Discharge From Relief Valves If cold water is discharging from the expansion relief valve into the tundish check the pressure...

Page 26: ...nd Re set END YES YES YES NO NO NO Switch on Set programmer Re set check wiring plumbing is correct Re set Is all wiring to the controls ok Replace thermostat Re wire START Is boiler on Is hot water programmer in on position Is zone valve in correct position Is control temperature set at 60ºC 65ºC Has high limit cut out Re set END YES YES YES YES YES YES YES NO NO NO NO NO NO NO SERVICING AND MAIN...

Page 27: ...O Clear obstructions Is system free from restrictions blockages YES NO Is pressure reducing valve in combination valve working Clean or replace as required Is expansion vessel charge pressure correct Replace ERV TPRV Replace PRV END START Is pressure downstream of pressure reducing valve correct Is valve seal and seat clean undamaged Is heater operating at less than 60ºC Re set temperature NO YES ...

Page 28: ...ar 1 SG022 5 flexible hose 1 SG024 7 12 litre expansion vessel 1 XG190 8 18 litre expansion vessel 1 XG191 9 24 litre expansion vessel 1 XG192 10 35 litre expansion vessel 1 XG193 11 Wall mounting bracket for 35 litre expansion vessel 1 XG058 12 22mm 2 port valve indirects only 1 XG083 13 Junction wiring box 12 way 1 XG129 14 Control and overheat limit thermostat 1 XG212 15 15mm x 22mm tundish 1 X...

Page 29: ...Stourbridge West Midlands DY8 1PA TELEPHONE 01384 442611 FAX 01384 442612 Water Savings Water Related Costs Can Be Reduced By Good Plumbing Practice TAPS MIXERS SHOWERS Unregulated 25 30 l m Regulated 10 12 l m Over 20 l m 5 6 or 8 l m 2 tap half open Fitted with regulator Unregulated 4 Fixing Options For Taps Mixers 1 MK Range Combined Regulators Aerator forscrewingontoTaps Mixerswithinternal ore...

Page 30: ...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 any obstructions Never jerk the load as ...

Page 31: ...has been carried out strictly in accordance with BS6700 For heavy use installation where constant usage reheat is required titanium immersion heaters should be fitted The registration document enclosed with the unit is completed and returned within 60 days of purchase by the owner Evidence of purchase and date of supply must be submitted upon making a claim Guidance in the event of a problem If yo...

Page 32: ...ombination chloride sulphate Max 300 mg l in total 9 2 5 Whereappropriatetheunithasbeenregularlymaintainedasdetailedintheinstallationandserviceinstructions 9 2 6 Defects caused by corrosion or scale deposits are not covered by any Guarantee 9 2 7 Where we agree to rectify any defect we reserve the right to undertake the work on our own premises 9 2 8 We will not accept any labour charges associate...

Page 33: ... i the Purchaser shall hold the goods in a fiduciary capacity for us and shall store the same separately from any other goods in the Purchaser s possession and in a manner which enables them to be identified as our goods ii the Purchaser shall immediately return the goods to us should our authorised representative so request All the necessary incidents associated with a fiduciary relationship shal...

Page 34: ...ate will then be issued to the customer Heating and Hotwater Industry Council HHIC www centralheating co uk demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference Failure to install and commission this equipment to the manufacturer s instructions may invalidate the warranty but does not affect statutory rights Customer name T...

Page 35: ...ame Telephone No Comments Signature SERVICE 05 Date Engineer name Company name Telephone No Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Comments Signature SERVICE 09 Date Engineer name Company name Telephone No Comments Signature SERVICE 02 Date Engineer name Company name Telephone No Comments Signature SERVICE 04 Date Engineer name Company name Telephone No Comments...

Page 36: ...ment Gledhill Building Products reserve the right to modify products without prior notice It is advisable to check the product technical detail by using the latest design and installation manuals available from our technical support team or on our website It is an offence to copy or adapt this document without consent of the owner Gledhill Building Products Limited Sycamore Estate Squires Gate Bla...

Reviews: