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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

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 Buffer Store is produced under an iso 9001:2008 quality 
management system approved by bsi.

ISSUE 7: JANUARY 2014

Section Page

DESIGN 
 

Description       

3                     

 Technical 

Data 

4

  
INSTALLATION
 Installation 

 Commissioning 

10

 

 

APPENDIX
 Appendix 

11

 Appendix 

12

 Notes 

13

 Benchmark 

Checklist 

16

 

Benchmark Service Record 

17

 

Terms & Conditions 

18

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 Membership, please refer to 
the HWA website hotwater.org.uk.

Summary of Contents for 120IND

Page 1: ...dels covered in this manual Stainless Lite Direct Buffer 90 400 litres Stainless Lite Indirect Buffer 120 400 litres Stainless Lite Flexible Buffer 90 400 litres StainlessLite Buffer Store Stainless steel store for use with heat pumps and boilers ...

Page 2: ...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...

Page 3: ... heat source is useful for extreme conditions when the heat pump may not be able to supply the heat required and when it can top up the store Flexible buffer stores This type of buffer store has been designed with flexibility in mind It enables multiple heat pumps and or separate domestic hot water and central heating zones to be connected For this reason the installation diagrams in the following...

Page 4: ... cylinder bar 3 5 3 5 3 5 3 5 3 5 Maximum working pressure space heating bar 3 5 3 5 3 5 3 5 3 5 Central heating flow connection mm 28 28 28 35 35 Central heating return connection mm 28 28 28 35 35 Heat pump flow connection mm 28 28 28 35 35 Heat pump return connection mm 28 28 28 35 35 Central heating flow tapping height mm 732 920 1483 2020 2030 Central heating return tapping height mm 200 200 ...

Page 5: ...ection mm 28 28 35 35 Heat pump return connection mm 28 28 35 35 Coil flow connection mm 22 22 22 22 Coil return connection mm 22 22 22 22 Central heating flow tapping height mm 920 1483 2020 2030 Central heating return tapping height mm 200 200 200 214 Heat pump flow tapping height mm 690 1253 1791 1805 Heat pump return tapping height mm 300 300 300 314 Coil flow tapping height mm 535 780 1000 10...

Page 6: ...s mm 28 28 35 35 35 35 Upper tapping height mm 470 662 1225 1475 1761 1776 Lower tapping height mm 295 295 295 295 295 310 Vent relief boss 22mm compression mm Top Mid Top Mid Top Mid Top Mid Top Mid Top Mid Drain 1 2 BSP height mm 220 220 220 220 220 235 Inspection hatch 1 3 4 BSP height mm 370 370 370 370 370 385 Thermostatic pocket size mm 22 22 22 22 22 22 High level stat height mm 470 662 122...

Page 7: ...g systemcaremustbetakenthatspecialapplicationssuchasdomesticwater heating are taken into consideration and dimensioned for low temperature operation Heatpumpsareoptimallysuitedforunderfloorheating surface radiant heating applications due to the low supply temperatures 30 C to 40 C A considerable contribution to the economical operation is made by the heat pump controller provided it is set correct...

Page 8: ...sealed under floor heating system Buffer Store Underfloor heating Heat pump Boiler or additional heat source Sealed system kit Sealed system kit A typical example where a heat pump is supplying a direct Stainless Lite buffer store which in turn is supplying a sealed under floor heating system Buffer Store Underfloor heating Heat pump Sealed system kit ...

Page 9: ...stem Heat pump Boiler or additional heat source Sealed system kit Sealed system kit Hot water Motorised Valve Energy cut out Not supplied Stainless Lite Heat Pump A typical example where a heat pump is supplying a direct Stainless Lite buffer store which in turn is supplying the heating system and Stainless Lite Heat Pump cylinder Buffer Store Heating System Heat pump Sealed system kit Hot water S...

Page 10: ... the unit or a total failure of the heat pump Water Treatment And Frost Protection Although the Buffer store has no special water treatment requirements the radiators and other parts of the circuit will require the application of a scale and corrosion inhibitor The heat pump and the external connecting pipe work will also require protection against freezing For this reason a combined antifreeze an...

Page 11: ...Page 11 APPENDIX APPENDIX A ...

Page 12: ...e 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 any obs...

Page 13: ...Page 13 NOTES ...

Page 14: ...Page 14 NOTES ...

Page 15: ...Page 15 NOTES ...

Page 16: ...on 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 associated with r...

Page 17: ... 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 18: ...Other Is the cylinder solar or other renewable compatible Yes No What is the hot water temperature at the nearest outlet C All appropriate pipes have been insulated up to 1 metre or the point where they become concealed Yes UNVENTED SYSTEMS ONLY KHUH LV WKH SUHVVXUH UHGXFLQJ YDOYH VLWXDWHG LI WWHG What is the pressure reducing valve setting bar DV D FRPELQHG WHPSHUDWXUH DQG SUHVVXUH UHOLHI YDOYH D...

Page 19: ...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 20: ...mited would be pleased to provide further customer support with a range of services including Low cost annual repair and maintenance contracts direct from Gledhill Annual servicing and safety checks Expert response to out of warranty breakdowns at fixed charges Please call 08445 679898 or visit www gledhill net for further details Only the best is acceptable FM 02057 Gledhill Building Products Lim...

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