gledhill StainlessLite HP180IND Design, Installation & Servicing Instructions Download Page 22

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Page 22

FAULT - No Hot Water

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 heat pump on?

Is hot water programmer

in ‘on’ position?

Is zone valve in

correct position?

Is control temperature

set at 45ºC - 50ºC?

Has high limit cut out?

Re-set

END

YES

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

Clear obstructions

Is system free from

restrictions/blockages?

YES

Is pressure reducing valve

(in combination valve)

working?

SERVICING AND MAINTENANCE

FAULT FINDING

Summary of Contents for StainlessLite HP180IND

Page 1: ...Design Installation Servicing Instructions Models covered in this manual Stainless Lite HP Direct 180 400 litres StainlessLite HP Unvented cylinders specifically designed to work with a heat pump ...

Page 2: ...t 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 fortheeffectivenessofaninstallationorsystem containing one of our products unle...

Page 3: ...g 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 95 C Energy cut out thermostat setting 80 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 manu...

Page 4: ...stalled the top heat exchanger is connected to the heat pump circuit and the bottom heat exchanger is connected to the solar circuit a shown in figure 2 All Stainless Lite HP models are fitted with 3kW 230Vac 50Hz immersion heater for raising the temperature of the stored water to about 60 C after the heat pump heating cycle if necessary The technical details of the Stainless Lite HP models are li...

Page 5: ...l initial charge pressure bar 2 25 2 25 2 25 2 25 2 25 Height A mm 1295 1483 1733 2020 2040 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 1777 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 return top coi...

Page 6: ...Solar coil flow from panel 22mm compression 12 Solar thermostat pocket 13 Drain off Component kit supplied separately A Combinationinletgroupincorporatingpressure 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...

Page 7: ...ties where simultaneous demand is required to more than one bathroom or a bathroom and one or more en suites the communication and service pipe intothedwellingshouldbeaminimumof22mm usually in the form of a 25mm MDPE supply The minimum recommended static pressure to operate a Stainless Lite domestic system is 3 bar There should be a flow of at least 30 litres per minute or above available into the...

Page 8: ...heat about 65 of the cylinder volume This should betakenintoaccountwhenselectingthemodel Stainless Lite HP Model Selection Guide Dwelling type Suggested model Number of bedrooms Number of bathrooms and shower rooms Without solar heating system 1 With solar heating system 2 1 3 1 bathroom HP180IND HP180IND FA 50m2 2 3 1 bathroom 1 shower room HP180IND HP210IND FA 65m2 2 3 1 bathroom 2 shower rooms ...

Page 9: ... 7 10 8 12 10 14 11 16 13 18 14 20 16 22 17 24 18 26 20 28 21 30 23 32 24 34 180HP 180HP Sol 210HP 210HP Sol 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 1...

Page 10: ... 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 this reason and because these...

Page 11: ...y 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 least 3 sizes larger and so o...

Page 12: ...arn when discharge takes place Safety ThesafetydevicessuppliedorfittedonanStainlessLiteareselectedfortheirsuitability for the temperatures and pressures involved They must not be changed removed or by passedanditisessentialthatonlygenuinereplacementpartssuppliedorapproved by Gledhill Building Products Limited are used This includes the immersion heaters whichmustincorporateanenergycut out Allparts...

Page 13: ... shown schematically below The ON time settings on the immersion heater should be between 30 60 minutes later than the ON times set for the hot water programmer channel For example if the hot water is programmed to come on between 0600 0900 and 1700 2200 then the immersion heater setting should be 0640 0900 and 1740 2200 This will give hot water heating by heat pump a priority Line Strainer This i...

Page 14: ...is the maximum heat input to the cylinderallowedbysectionG3ofthe Approved Document G of the Building Regulations The heat supply to the cylinder and hence the temperature of the stored water should be controlled as outlined below Heat supply from the primary heat source i e heat The 2 port spring return motorised valve suppliedshouldbefittedadjacenttotheunit and controlled by the cylinder thermost...

Page 15: ...circuit sealed system kit Sealed heating system 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 Liste...

Page 16: ...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 17: ...Page 17 INSTALLATION INSTALLATION ...

Page 18: ... 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 Refillthesystem and open all hot ...

Page 19: ...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 20: ...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 pressureonth...

Page 21: ...s 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 pressu...

Page 22: ...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 23: ... LIST Description Quantity Stock Code No 1 3kW immersion element 1 SH001 2 22mm 90 compression elbow c w drain 1 SF003 3 Pressure and temperature relief valve 6 bar 95 C 1 SG001 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 expansio...

Page 24: ...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 25: ...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 26: ...Page 26 BENCHMARK ...

Page 27: ...Page 27 BENCHMARK ...

Page 28: ...Page 28 NOTES ...

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

Page 30: ...iled in the installation and service instructions 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 parts for any of the following products listed 9 3 Guarantees are provided in...

Page 31: ...oods 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 Purchaser s right to possess the goods shall cease forthwith upon the happening of any of the following eve...

Page 32: ...roducts produce cylinders for use with a wide range of heat sources including Gas and oil boilers Electricity Air source heat pumps Ground source heat pumps Solar energy Wood burning stoves For further information of Gledhill products can be found on the internet at www gledhill net Only the best is acceptable Providing peace of mind On expiry of your initial warranty period Gledhill Response Limi...

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