gledhill Stainless Lite HP Indirect 180-400 litres, Design, Installation & Servicing Instructions

Page 1: ... Models covered in this manual Stainless Lite HP SOL Indirect 180 400 litres Stainless Lite HP Indirect 180 400 litres Stainless Lite HP Slimline 180 210 litres StainlessLite HP Unvented cylinders specifically designed to work with a heat pump ...

Page 2: ...nsure 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 designselectionorspecification ...

Page 3: ...RV setting 3 bar Expansion vessel charge pressure 3 bar Expansion relief valve setting 4 75 bar Opening pressure of P T Relief Valve 6 bar Opening temperature of P T Relief Valve 92 95 C Energy 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 cylind...

Page 4: ...4 35 2 x 24 Expansion vessel initial charge pressure bar 3 3 3 3 3 Height A mm 1305 1495 1745 1992 2030 Diameter B mm 550 550 550 550 630 22mm secondary return C mm 1127 1377 1577 1592 22mm compression cold feed D mm 442 442 522 522 557 P T valve E mm 1053 1241 1491 1720 1784 22mm solar return bottom coil F mm 223 223 223 223 238 22mm solar flow bottom coil G mm 352 352 472 472 548 28mm primary re...

Page 5: ...ef valve setting bar 4 75 4 75 4 75 4 75 4 75 Temperature setting P T valve C 95 95 95 95 95 Pressure setting P T valve bar 6 0 6 0 6 0 6 0 6 0 Expansion vessel size volume litres 18 24 24 35 2 x 24 Expansion vessel initial charge pressure bar 3 3 3 3 3 Height mm 1305 1493 1743 1990 2030 Diameter mm 550 550 550 550 630 Hot Supply A mm 1352 1540 1790 2035 2080 P T valve B mm 1047 1235 1485 1731 178...

Page 6: ... 3 Expansion relief valve setting bar 4 75 4 75 Temperature setting P T valve C 95 95 Pressure setting P T valve bar 6 0 6 0 Expansion vessel size volume litres 18 24 Expansion vessel initial charge pressure bar 3 3 Height A mm 1790 1970 Diameter B mm 475 475 22mm secondary return C mm 1540 22mm compression cold feed D mm 283 283 P T valve E mm 1535 1706 22mm solar return F mm 22mm solar flow G mm...

Page 7: ...ar coil flow from panel 22mm compression 12 Solar thermostat pocket 13 Drain off Part G3 loose components supplied in a separate box A Combination inlet group incorporating pressure reducing valve strainer check valve balance cold take off point expansion relief valve and expansion vessel connection points B Potable expansion vessels c w flexible hose and wall bracket C Tundish D Dual control ther...

Page 8: ...r 1 BSP 3kW Part G3 loose components supplied in a separate box A Combination inlet group incorporating pressure reducing valve strainer check valve balance cold take off point expansion relief valve and expansion vessel connection points B Potable expansion vessels c w flexible hose and wall bracket C Tundish D Dual control thermostat and combined overheat thermostat E Two port 28mm zone valve fo...

Page 9: ...mponents supplied in a separate box A Combination inlet group incorporating pressure reducing valve strainer check valve balance cold take off point expansion relief valve and expansion vessel connection points B Potable expansion vessels c w flexible hose and wall bracket C Tundish D Dual control thermostat and combined overheat thermostat E Two port 28mm zone valve for primary circuit F Wiring j...

Page 10: ...erateshouldbetestedandadjustedsothat it achieves a minimum of 60 C in order to comply with the Legionella pasteurisation requirements The technical details of the Stainless Lite HP models are listed in table 1 Important notes 1 All Stainless Lite HP models are suitable for both open vented and sealed primary systems 2 Whenusedwithasealedprimaryheatingsystem theheatpumpmustincorporate its own over ...

Page 11: ...o Stainless Lites are coupled together the secondary inlet and outlet pipes must be balanced The units must be fitted on the same level Note No valves must be fitted between the expansion vessel and the storage cylinder s INSTALLATION INSTALLATION The pipe connecting the boiler flow to the appliance must not be less than 22mm copper or equivalent Further guidance on converting heat loss limits to ...

Page 12: ...ms Number of bathrooms and shower rooms Without solar heating system 1 With solar heating system 2 1 3 1 bathroom HP180INDSOL HP180IND HP180INDSOL FA 50m2 2 3 1 bathroom 1 shower room HP180INDSOL HP180IND HP210INDSOL FA 65m2 2 3 1 bathroom 2 shower rooms HP180INDSOL HP180IND HP250INDSOL FA 85m2 2 4 2 bathrooms 1 shower room HP210INDSOL HP210IND HP300INDSOL FA 110m2 2 4 2 bathrooms 2 shower rooms H...

Page 13: ...l 210HP Slim 250HP 250HP Sol 300HP 300HP Sol 400HP 400HP Sol 4 Pressure loss bar for each flow rate above in the available coil combinations 180HP 0 010 0 027 0 053 0 092 0 143 0 207 0 286 0 381 0 491 0 618 0 763 0 927 1 109 1 310 1 532 1 774 180HP Sol 0 003 0 008 0 017 0 031 0 049 0 073 0 103 0 140 0 183 0 234 0 292 0 359 0 434 0 518 0 612 0 715 180HP Slim 0 004 0 010 0 018 0 030 0 044 0 062 0 08...

Page 14: ...ashing 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 this reason and because these are now no more expensive than a manu...

Page 15: ...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 16: ...d They must not be changed removed or by passedanditisessentialthatonlygenuinereplacementpartssuppliedorapproved by Gledhill Building Products Limited are used This includes the immersion heaters whichmustincorporateanenergycut out Allpartsareavailabletoapprovedinstallers from Gledhill Building Products Limited Sycamore Estate Squires Gate Blackpool Telephone 01253 474402 Combination Inlet Group C...

Page 17: ...ons where water quality is poor ensuring improved performance and extended operational life This can be purchased as an extra from your Gledhill depot under code number SH002 INSTALLATION INSTALLATION Theoperationoftheboostimmersionheatercan also be controlled by means of an independent time switch as shown schematically below The ON time settings on the immersion heater should be between 30 60 mi...

Page 18: ...roptimumefficiency i e COPofaheatpump lowtemperatureunderfloorheating system should be considered The heat pumps normally operate at lower temperature difference between flow and return compared with the traditional boilers and therefore when sizing the pipework heat pump manufacturers recommendations should be taken into account Safety Stainless Lite HP is fitted with a combined temperature and p...

Page 19: ...tem A heat pump selected must be suitable for use in a sealed heating system which may have working pressure of up to 3 0bar and it must be fitted with an overheat temperature cut out device Unvented i e sealed primary circuits may be filled or replenished by means of a temporary connection between the circuit and a water supply pipe provided a WRC Listed double check valve and filling loop or som...

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: ...Page 21 INSTALLATION INSTALLATION Typical schematic wiring diagram for Stainless Lite HP heating system Please refer to the heat pump manufacturers installation instructions ...

Page 22: ... damage unless the appliance is adequately flushed and refilled with the mains water immediately 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 dased disinfectant such as Fernox LP Sterox as manufactured by Cookson Electronics when carrying out disinfe...

Page 23: ...ssure 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 thisindicatesafaultcondition which needs action If the discharge is hot and...

Page 24: ...ves 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 ...

Page 25: ...ed 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 on the ex...

Page 26: ...out Re set END YES YES YES YES YES YES YES NO NO NO NO NO NO NO FAULT Poor Water Flow at Hot Taps Water service check 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 restrictio...

Page 27: ...antity Stock Code No 1 3kW immersion element 1 SH001 2 22mm 90 compression elbow c w drain 1 SF003 3 Lift up pressure and temperature relief valve 6 bar 92 95 C 1 SG017 4 Inlet group set at 3 bar c w expansion relief valve set at 4 75 bar 1 SG010 5 flexible hose 1 SG003 6 18 litre expansion vessel 1 XG191 7 24 litre expansion vessel 1 XG192 8 Wall mounting bracket for 18 24 litre expansion vessel ...

Page 28: ...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 29: ...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...

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Page 32: ...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 replacing the unit or ...

Page 33: ...l 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 shall apply d the Purchas...

Page 34: ...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 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: ...R code using your smart phone app or go to www gledhill spares net On expiry of your initial warranty period Gledhill Response Limited 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 ca...