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Design, Installation

& Servicing Instructions

Models

Stainless Lite Direct 90-300 litres

Stainless Lite Indirect 90-300 litres

Stainless Lite Solar Direct 180-300 litres

Stainless Lite Solar Indirect 180-300 litres 

An unvented hot water storage unit complying 

with the requirements of Building Regulations  

Approved Document G3 and manufactured in 

accordance with BS EN 12897, the specifi cation 

for the unvented water storage vessels.

Summary of Contents for Stainless Lite Direct 90-300 litres

Page 1: ...300 litres Stainless Lite Solar Direct 180 300 litres Stainless Lite Solar Indirect 180 300 litres An unvented hot water storage unit complying with the requirements of Building Regulations Approved Document G3 and manufactured in accordance with BS EN 12897 the specification for the unvented water storage vessels ...

Page 2: ... at all times to ensure they do not play with the appliance This information is provided to assist generally in the selection of equipment Responsibilityforselectionandspecificationofourequipmentmusthoweverremainthat 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 SPEC...

Page 3: ... inlet pressure to Pressure Reducing Valve 12 bar Operating pressure PRV setting 2 2 bar Expansion Relief Valve setting 4 5 bar Maximum primary working pressure 3 5 bar Opening pressure of T P Relief Valve 6 bar Opening temperature of T P Relief Valve 95 C Energy cut out thermostat setting 80 C Immersion heater Rating 3kW 240V AC All cylinders are manufactured in accordance with the requirements o...

Page 4: ...r gains and electricity 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 fitte...

Page 5: ... 1 on Page 6 7 Stainless Lite Indirect Solar Stainless 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 thermos...

Page 6: ...3 125 n a D300 37 337 300 2 25 35 2020 550 1777 1577 1077 522 223 155 n a Indirect IND90 19 109 90 2 25 12 732 550 490 n a n a 367 352 n a 367 IND120 22 142 120 2 25 12 920 550 678 n a n a 367 352 n a 367 IND150 26 176 150 2 25 18 1107 550 865 n a n a 442 392 n a 407 IND180 28 208 180 2 25 18 1295 550 1053 n a n a 442 432 n a 447 IND210 33 243 210 2 25 24 1483 550 1241 1127 n a 442 432 n a 482 IND...

Page 7: ...n a n a n a n a n a 299 263 1 93 n a 367 223 312 n a n a n a n a n a 16 5 0 59 0 165 n a n a 21 16 0 80 n a 367 223 312 n a n a n a n a n a 18 0 59 0 165 n a n a 27 19 1 00 n a 407 223 352 n a n a n a n a n a 18 5 0 68 0 191 n a n a 28 19 1 20 n a 447 223 392 n a n a n a n a n a 19 0 78 0 216 n a n a 33 21 1 40 n a 482 223 392 n a n a n a n a n a 20 5 0 78 0 216 n a n a 41 26 1 60 n a 577 223 472 ...

Page 8: ...mperature pressure relief valve 90 6 bar 3 Hot water secondary return 22mm capped not fitted to smaller sizes see table 1 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 10 Primary flow 22mm Component kit supplied separately A Combination inlet group incorpor...

Page 9: ...ostat Stainless Lite Indirect Solar Basic Appliance 1 Hot water draw off 22mm compression 2 Temperature pressure relief valve 90 6 bar 3 Hot water secondary return 22mm capped not fitted to smaller sizes see table 1 4 Immersion heater 1 BSP 3kW 5 22mm cold supply 6 Thermostat pocket 22mm 7 Primary return 22mm 8 Primary flow 22mm 9 Dual control Overheat stat solar thermostat pocket 10 Solar coil re...

Page 10: ...site are based on a typical days hot water use assuming an Economy 7 tariff is provided A reduction of one model size can normally be made with an Economy 10 tariff When using the Direct models for high specification developments an increase of one model size should be considered Where selecting a solar model it is important to check the dedicated solar volume shown in table 1 on page 7 is suitabl...

Page 11: ...e suitable Shower Fittings Aeratedtapsarerecommendedtopreventsplashing Anytypeofshowermixingvalve 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 which will cause changes in the water temperature at mixed water outlets such as showers For thi...

Page 12: ... to persons in the vicinity of 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 lea...

Page 13: ...argesformsafetydevicesmaynotbeapparenti e indwellingsoccupiedby blind infirmordisabledpeople considerationshouldbegiventotheinstallation of an electronically operated device to warn when discharge takes place Safety ThesafetydevicessuppliedorfittedonanStainlessLiteareselectedfortheirsuitability for the temperatures and pressures involved They must not be changed removed or by passedanditisessentia...

Page 14: ...t be in accordance with the relevant IEE Wiring Regulations and the circuit must be protected by a suitable fuse and a double pole isolating switch The correct method of terminating the wiring to the immersion heater is shown opposite Line Strainer This is integral within the combination inlet group to reduce the likelihood of contaminants fouling the valve seat Following installation this line st...

Page 15: ...llow the wiring diagram in the Wiring Section of these instructions Sealed Primary Circuit Any boiler used must be fitted with an over temperature cut out Unvented primary circuits may be filled or replenished by means of a temporary connection between the circuit and a supply pipe provided a Listed double check valve or some other no less effective backflow prevention device is permanently connec...

Page 16: ...ty of restriction or disclosure by any other fitted component A more detailed diagram of our recommended arrangement for a typical solar system is shown on page 17 This provides all the necessary controls and safety devices necessary for the solar system i e the two port zone valve is wired as an energy cut out and the pump valve will only allow heat transfer as required under control of the Delta...

Page 17: ...Dual Thermostat Gledhill Stainless Lite Unvented 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 r...

Page 18: ...ctrical installation must comply with IEE requirements For electrical installation refer to BS7671 Note Do not attempt the electrical work unless you are competent to carry out to the above standard Blue Bl Brown Br Green Grey Green Yellow G Gr G Y WIRE COLOUR LEGEND Black Orange Yellow White Red B Or Y Wh R Br Bl G Y B Br Br Bl G Y Or Gr Br Bl G Y Br Bl G Y Or Gr Br Bl G Y Or Gr 5 Amps Br Bl G Y ...

Page 19: ...letionofthedisinfectionprocedure 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 dased disinfectant such as Fernox LP Sterox as manufactured by Cookson Electronics when carrying out disinfection of systems incorporating these appliances Removethefilterfromthecombinationinletgroupcleanandreplace R...

Page 20: ... the taps a small 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 Ifwaterisseenflowingthroughthetundi...

Page 21: ...n 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 motorised valve 8 Check the pressure o...

Page 22: ...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 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 ...

Page 23: ...continuity and Re set END YES YES YES NO NO NO FAULT No Hot Water Indirect 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 55ºC 60ºC Has high limit cut out Re set END YES YES YES YES YES YES YES...

Page 24: ...m free from restrictions blockages YES NO Is pressure reducing valve in combination valve working FAULT Poor Water Flow at Hot Taps FAULT Water Discharge Into Tundish 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 l...

Page 25: ...ble hose 1 SG003 6 12 18 litre wall mounting bracket for expansion vessel 1 XG010 7 12 litre expansion vessel 1 XG164 8 18 litre expansion vessel 1 XG009 9 24 litre expansion vessel 1 XG183 10 24 litre wall mounting bracket for expansion vessel 1 XG184 11 35 litre floor standing expansion vessel 1 XG057 12 35 litre wall mounting bracket for expansion vessel 1 XG058 13 22mm 2 port valve indirects o...

Page 26: ...d 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 o...

Page 27: ... is supplied with a pallet which has been attached to the unit via the packaging The pallet will also allow for one or two persons to get 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 th...

Page 28: ...No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 5 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 6 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMME...

Page 29: ...Page 29 NOTES ...

Page 30: ...her in materials or workmanship we will either repair or supply replacement at our option with the closest substitute in the case of any obsolete product to any address in Great Britain i free of all charge during the first year after delivery by us ii thereafter at a charge of one tenth of the then current list price and any copper price supplement and delivery charge during the second year after...

Page 31: ...ject to of any other contract between the Purchaser and us which at the time of payment of the full price of the goods sold under this contract have been delivered to the Purchaser but not paid for in full c until property in the goods supplied hereunder passes to the Purchaser in accordance with paragraph 2 above i the Purchaser shall hold the goods in a fiduciary capacity for us and shall store ...

Page 32: ...umstances this booklet which is accurate at the time of printing should be disregarded 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 Issue 09 05 09 Our appliances are distributed through Gledhill Building Products depots at Blackburn Braintree Bristol Dudley Hemel Hempstead Hunti...

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