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Design, Installation & Servicing Instructions

Models covered in this manual

Torrent ECO OV TEC140-TEC350

Torrent ECO SP TEC140-TEC350

Torrent ECO SOL TEC210-TEC450

Torrent ECO HP TEC170-TEC450

Torrent ECO HPSOL TEC210-TEC450

Torrent ECO

Open vented thermal store providing heating and mains pressure hot water

Summary of Contents for TEC140-OV

Page 1: ...vered in this manual Torrent ECO OV TEC140 TEC350 Torrent ECO SP TEC140 TEC350 Torrent ECO SOL TEC210 TEC450 Torrent ECO HP TEC170 TEC450 Torrent ECO HPSOL TEC210 TEC450 Torrent ECO Open vented thermal store providing heating and mains pressure hot water ...

Page 2: ...rning 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 thatofourcustomerandanyexpertsorconsultantsconcernedwiththeinstallation s PLEASE...

Page 3: ... be even In apartment buildings containing a number of storeys we would recommend that the appliances are moved vertically in a mechanical lift If it is proposed to use a crane expert advice should be obtained regarding the need for slings lifting beams etc A specific manual handling assessment is shown in Appendix B at the rear of this manual Maintenance Modifications should not be made to this p...

Page 4: ...ure hot water So the householder can enjoy the comfort and luxury of a mains pressure system produced from alternative energy sources The alternative energy feeds into the thermal store which is also the water that circulates around the heating system This means that the energy available from solar panels or a wood burning stove for example can be used to provide energy into the heating circuit to...

Page 5: ...ater The central heating circuit can be supplied directly from a sealed system boiler although an auxiliary heating circuit can be connected from the store in which case both the solar and solid fuel energy will also provide an input to the auxiliary heating circuit Alternatively an open vented boiler can be used to directly heat the store so that the energy will be available for both hot water an...

Page 6: ...85 925 n a 1475 1475 785 785 745 790 n a 540 n a TEC350 OV D 114 350 53 388 1874 636 1140 n a 1690 1690 890 890 850 895 n a 615 n a Torrent ECO SP TEC140 SP C 66 140 42 176 1219 535 490 n a 1040 1040 545 n a 505 495 322 395 145 TEC170 SP C 74 170 44 207 1449 535 720 n a 1270 1270 690 n a 650 570 322 470 145 TEC210 SP C 84 210 47 248 1414 585 680 n a 1235 1235 685 n a 645 555 412 455 145 TEC250 SP ...

Page 7: ...n a 35 470 145 n a 135 90 n a 385 n a 95 95 n a n a n a 195 1270 1359 1 38 n a 163 n a 35 455 145 n a 125 90 n a 345 n a 95 95 n a n a n a 195 1235 1324 1 84 n a 201 n a 35 540 165 n a 125 90 n a 590 n a 95 95 n a n a n a 195 1475 1564 1 84 n a 239 n a 35 615 150 n a 140 95 n a 805 n a 100 100 n a n a n a 200 1690 1784 2 28 n a 334 n a 35 705 525 95 475 90 435 345 190 95 435 n a 355 125 195 1235 1...

Page 8: ...4 170 37 171 1449 535 720 n a 1270 1270 670 265 165 n a 340 n a 470 n a TEC210 HP C 84 210 39 202 1414 585 680 n a 1235 1235 665 255 160 n a 325 n a 455 n a TEC250 HP D 93 250 41 242 1654 585 925 n a 1475 1475 785 305 185 n a 375 n a 540 n a TEC350 HP D 114 350 43 282 1874 636 1140 n a 1690 1690 900 355 215 300 430 515 615 n a TEC450 HP D 134 450 53 388 1764 738 935 n a 1490 1490 880 390 310 395 5...

Page 9: ... a 270 40 600 n a 270 270 420 270 630 420 270 n a n a 370 1490 1674 n a 431 n a 15 705 95 465 90 345 190 95 435 580 435 705 580 435 355 125 195 1235 1324 0 27 201 62 15 830 95 535 90 590 220 95 505 685 505 830 685 505 410 125 195 1475 1564 0 34 239 73 15 950 100 600 95 805 225 100 570 790 570 950 790 570 475 130 200 1690 1784 0 40 334 101 15 900 270 620 40 600 310 390 590 785 590 900 785 590 360 2...

Page 10: ...heat exchanger flow 22mm 4 Domestic hot water store sensor 5 Solid fuel flow 28mm comp 6 Hot water supply 22mm comp 7 Auxilliary heating flow 22mm comp 8 Immersion heater 9 Limit stat 1 2 female 10 SPcoilflow 22mmcomp 250 350 28mmcomp 11 Cold mains supply 22mm comp 12 Cold feed 22mm comp 13 SPcoilreturn 22mmcomp 250 350 28mmcomp 14 Plate heat exchanger return 22mm 15 Auxilliary heating return 22mm...

Page 11: ...onal extras but these can be adjusted to suit specific installation requirements The feed and expansion tank must be sized to take the water expansion of the whole system i e solid fuel boiler open vented boiler and auxiliary heating Pleasenotethereare2optionalsolidfuelreturnpositionsonthesolarrangetoenable the whole store water volume to be used to store heat when the solar contribution is neglig...

Page 12: ... sensor 6 Solid fuel flow 28mm comp 7 Heat pump cylinder sensor 8 Limit stat 1 2 female 9 Hot water supply 22mm comp 10 DHW backup immersion heater 11 Heat pump flow sensor 12 Heat pump flow 28mm comp 350 450 1 25 Fem 13 Central heating flow 22mm comp 14 CH boost immersion heater 15 Central heating return 22mm comp 16 Heat pump return sensor 17 Heat pump return 28mm comp 350 450 1 25 Fem 18 Solid ...

Page 13: ...0 60 0 12 5 25 37 5 50 62 5 75 87 5 100 112 5 125 137 5 150 162 5 175 187 5 200 HW Outlet 55 C HW Outlet 75 C HW Outlet 65 C AVG CW Inlet Temp C The draw off volume figures shown above are for the TEC210 HP store These are increased accordingly as the cylinder capacity increases The graph illustrates the increase in volume that can be achieved by the use of the auxiliary heat source A 15 17 litre ...

Page 14: ...l 1 bathroom 1 2 TEC140 OV 1 bathroom en suite shower 2 4 TEC170 OV 2 bathrooms en suite shower 3 4 TEC210 OV 2 bathrooms 2 en suite showers 3 5 TEC250 OV 3 bathrooms 2 en suite showers 3 5 TEC350 OV Torrent ECO SP Model Selection Guide Max hot water demand Bedrooms Model 1 bathroom 1 2 TEC140 SP 1 bathroom en suite shower 2 4 TEC170 SP 2 bathrooms en suite shower 3 4 TEC210 SP 2 bathrooms 2 en su...

Page 15: ...th the requirements of the Water Supply Water Fittings Regulations 1999 Taps and Shower Fittings Aerated taps are recommended to prevent splashing All types of shower mixing valves can be used as long as both 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 ...

Page 16: ...nd Scale Protection The patented design of the domestic hot water plate heat exchanger is such that the turbulence through the plates slows down the formation of scale in moderate hard water conditions However the requirements set out in the Domestic Building Services Compliance Guide and the Building Regulations approved documents L1A and L1B regarding scale protection should be complied with The...

Page 17: ... the hot water pipework to ensure that the water remains cold and of drinking water quality If secondary circulation is used there is a possibility that excessively hot temperatures may be experienced in the hot water supply pipework due to the blending valve not being able to mix with cold water because the water is always supplied hot A pipe thermostat is incorporated in the circuitry which cuts...

Page 18: ...kW of radiator output canbeused Forexample 20kWradiatoroutput would have a system volume of 90 litres and potential expansion of this would be 3 6 litres and 10 kW would be 45 litres total volume and 1 8 litres for expansion Please refer to page 26 for further information regardingF Etankswhenusingsolidfuelinput Allowance for domestic hot water for sizing the boiler Torrent model Allowance for dom...

Page 19: ...laces to vent the system and a pressure relief valve should also be fitted close to the boiler Any boiler can be used with theTorrent OV and theTorrentSOLprovidedtheflowpipefromthe boiler to the Torrent is continuously rising The flow pipe between the boiler and the Torrent thermal store is part of the open vent and thereforeitmustnotbefittedwithanyisolating valve non returnvalveoranyothercomponen...

Page 20: ... by sensing a temperature drop before shutting off This type of boiler may cause the pump to run on for some minutes while the temperature slowly drops but the store temperature may also drop causing the boiler to fire again the boiler then short cycles If an off delay timer is used it allows the pump to overrun for about a minute to remove any excessheat thenshutsoffthepump butitdoes not remove s...

Page 21: ...en through a non return valve without the approval of the Local Water Authority An approved filling loop is required for filling the heating system which should be disconnected after commissioning the system The filling loop should be located adjacent to the boiler along with a suitable expansion vessel pressuregauge pressurereliefvalveand discharge arrangement The minimum system pressure should n...

Page 22: ...HP is shown on page 34 and a typical wiring arrangement for a system in whichthespaceheatingissuppliedfromaheat pump circuit is shown on page 35 On page 34 the control of heat pump is shown withtopandbottomthermostatstoenhancethe performanceoftheheatpumpbydecreasingthe frequencyofcycling Theheatpumpisswitched on when both top and bottom thermostats are calling for heat and is switched off when bot...

Page 23: ...damage to persons or materials Suitable locations are a hightemperaturereceptacle internalgullyorelse externally at ground level High level termination from a wall or on a roof could cause injury to peopleoranimalsbelowifthevalveweretorelease scalding water and steam Thepipeleadingtofromthesafetydevicetothe collector should be rigid and non deformable construction without any possibility of restri...

Page 24: ...xilliary heating circuit are all fed from the same feed and expansion tank Therefore it shouldbesizedtoaccommodatetheexpansion of total water content of the complete system i e water content of the store water content of radiator heating circuit water content of under floor heating circuit The diagram opposite shows the sealed primary SP variant of the Torrent SOL used in a typical sealed heating ...

Page 25: ...adjusted to find the best setting for each individual installation Failuretodosowillgiveunderperformanceofeithertheboilerorthesolarheating system A solid fuel boiler can also be connected to theTorrent ECO SOL please refer to page 20 for further information Domestic overheat protection To comply with building regulations the solar overheat thermostat should be set at a temperature which prevents t...

Page 26: ...reisabovepipe thermostat 1 set point the contacts close signalling the normally closed valve to move open Once it is fully open it signals the normally open valve to motor there by closing it The thermal store now receives heat from the solid fuel boiler via gravity circulation INSTALLATION SOLID FUEL BOILERS If control stat 2 set point is exceeded then the power to the normally closed valve is cu...

Page 27: ...8 9 10 11 12 Torrent ECO electric only direct option and auxiliary heating control system Junction N L E 1 2 3 on off on off ON OFF 24 hour domestic supply Off peak during 00 00 07 00 E7 ON OFF MCB ON OFF MCB B16 ON OFF MCB ON OFF MCB ON OFF MCB Hot Water Top On Peak 3kW Immersion heater Bottom Off Peak 3kW Immersion heater Off peak controller 2 Pole Isolator switch Consumer unit Central heating p...

Page 28: ... HW ON CH OFF CH ON L N 1 4 3 2 Br Br Room Thermostat ON OFF 1 E 2 4 3 Store ON C E 1 2 3 4 5 6 7 8 9 10 11 12 E N L Central heating pump L N E Torrent ECO with 2 pump heating control system and typical solar heating system Junction L N E SL N L E 1 2 3 Normally Closed 2 Port Valve Normally Open 2 Port Valve E E L N N SL PL ML Control Stat 2 1 C 2 Pipe Thermostat 1 1 C 2 on off on off ...

Page 29: ...er NOTE As part of system setup and commissioning it is important that this boiler hold off pipe thermostat be adjusted to find the best setting for each individual installation Failure to do so will give under performance of either the boiler or the solar heating system Temperature range 50 95 C Boiler hold off pipe thermostat Type LL641B1012 Typical thermal store temperature set point 75 77 C mu...

Page 30: ...H ON L N 1 4 3 2 Br Br Room Thermostat ON OFF 1 E 2 4 3 Store ON C E G Y N E Bl 3 Port Flow share valve 1 2 3 4 5 6 7 8 9 10 11 12 W hit Gr ey Or an ge E N L Torrent ECO with Y Plan heating control system and typical solar heating system Junction L N E SL N L E 1 2 3 Normally Closed 2 Port Valve Normally Open 2 Port Valve E E L N N SL PL ML Control Stat 2 1 C 2 Pipe Thermostat 1 1 C 2 on off on of...

Page 31: ...r controller NOTE As part of system setup and commissioning it is important that this boiler hold off pipe thermostat be adjusted to find the best setting for each individual installation Failure to do so will give under performance of either the boiler or the solar heating system Temperature range 50 95 C Boiler hold off pipe thermostat Type LL641B1012 Typical thermal store temperature set point ...

Page 32: ...ermostat ON OFF 1 E 2 4 3 Store stat ON C E 1 1 2 3 4 5 6 7 8 9 10 11 12 Central heating Zone valve L N E S1 S2 Bl G Y Br Or an ge Gr ey Junction box E N L B Torrent ECO with S Plan heating system with typical solar heating system N L E 1 2 3 Normally Closed 2 Port Valve Normally Open 2 Port Valve E E L N N SL PL ML Control Stat 2 1 C 2 Pipe Thermostat 1 1 C 2 on off on off INSTALLATION WIRING DIA...

Page 33: ...f system setup and commissioning it is important that this boiler hold off pipe thermostat be adjusted to find the best setting for each individual installation Failure to do so will give under performance of either the boiler or the solar heating system Temperature range 50 95 C Boiler hold off pipe thermostat Type LL641B1012 Typical thermal store temperature set point 75 77 C must be set at a te...

Page 34: ...Page 34 INSTALLATION WIRING DIAGRAM instructions Typical schematic wiring diagram for the Torrent ECO HP and Torrent ECO HP solar with space heating supplied from thermal store ...

Page 35: ...Page 35 INSTALLATION WIRING DIAGRAM Typical schematic wiring diagram for the Torrent ECO HP and Torrent ECO HP solar with space heating supplied directly from the heat pump circuit ...

Page 36: ...Page 36 Typical schematic wiring diagram and system configuration for the Torrent ECO HP solar INSTALLATION WIRING DIAGRAM ...

Page 37: ...the contribution of heat pump to hot water heating and hence increase the running costs If the use of the immersion heater is necessary to meet the hot water requirements of a dwelling then please consult your heat pump manufacturers instructions regarding the wiring and control of the immersion heater operation Iftheseinstructionsaren tincludedintheheatpumpmanual thenasuggestedmethod of controlli...

Page 38: ...ll systems function properly for optimum performance and to achieve this The primary system should be commissioned in accordance with good practice and generally in accordance with the requirements of BS 6798 BS EN 12831 the CIBSE guide and BS 7593 Full details of the requirements are given in PAS 33 1999 under section 10 Commissioning Theboilermanufacturersinstructionsshouldbefollowedduringthecom...

Page 39: ... for all boilers DO Ensurethatthewaterlevelintheexpansiontankisatleast250mmabovethe highest point on the radiator circuit and satisfies the boiler head required DO Insulate any exposed pipework in the Torrent cupboard DO Plumb the overflow warning pipe in 20mm minimum internal diameter tubing to discharge in a conspicuous external position using high temperature uPVC or copper DO Check the pump se...

Page 40: ...nd 26 5l min for all others If flow rate not as expected determine the cause and rectify clean inline strainer check the flow restrictor is present and not blocked It is located in the top of the inline strainer Power on Switch on the Local fuse spur and observe the PWM pump The green LED will flash showing the pump has a power supply and is in standby mode Open a HW tap and observe the PWM pump T...

Page 41: ... the local authorised supplier A nominal charge of 30 will be made which is refunded in full by Gledhill on receipt of the original part and proof of purchase After this spares can be obtained direct from Gledhill Spares or through any of the larger plumbers merchants specialist heating spares suppliers Help and advice is also available from the Technical Helpline on 01253 474584 However allcompon...

Page 42: ...mostat set too low Is the boiler output at least 10 more than the rad loading Does the boiler flow reach temperature Is the boiler thermostat adjustable Correct Torrent thermostat setting set to 75ºC Report to the boiler manufacturer Adjust to maximum Descaling of the PHE required Is heat exchanger scaled up internally Indicated by reduction of flow rate Alter pipe sizes Does the temp rise across ...

Page 43: ...ctions to the PCB are numbered below for Logical sequence check electrical connections fault finding section on page 44 first to ensure your own safety This section will potentially identify any short circuited components and or wiring faults that need to be rectified before continuing to work on the appliance check that the correct information is being supplied to the board This section will iden...

Page 44: ...procedure CW temperature sensor Power off Disconnect J18 Measure and record the resistance across terminals 6 and 13 Measure the cold water inlet temperature Compare the resistance measured with chart Tasseron NTC 12k thermistor The reading should make sense taking measurement conditions into consideration TS temperature sensor Power off Disconnect J18 Measure and record the resistance across term...

Page 45: ...9804 30 1 2 8500 29 1 4 6652 40 1 1 8000 30 1 5 4607 50 1 7500 31 1 6 3252 60 0 9 7000 33 1 7 2337 70 1 1 6500 35 1 7 1707 80 1 3 6000 37 1 8 1266 90 1 5 5500 39 1 9 952 100 1 8 5000 41 2 1 4500 44 2 2 4000 47 2 3 3500 50 2 5 3000 54 2 7 2500 59 2 9 2000 65 3 3 1500 73 3 7 1000 86 4 3 R nominal R nominal B value B value R Tolerance R Tolerance Tmin Tmin Tmax Tmax 125 C under 25 C 0 025 T C over 25...

Page 46: ... to measure the frequency Measure the PWM frequency produced by the board between pins 3 on J8 and pin 9 on J8 This can be between 100Hz 5000 Hz 1000Hz nominal Lab tested figure of 562Hz recorded in steady state conditions Duty cycle Switch your Multimeter to duty cycle or then it will show a percentage from 0 to 100 This percentage is the command for the pump how fast it should run When you perfo...

Page 47: ...installation water quality clean system if debris Blinks red Pump out of function Pump stopped blocked Blockage the pumps is fully blocked due to debris in system Check for blockage Turn ON OFF to reset the pump by unplugging the power supply If the pumps still blinking red after a power reset then replace the pump Faulty electronic module and or faulty motor LED off No power supply No voltage on ...

Page 48: ...diagram polarity correct OK OK Sensors in correct location OK OK OK N OK OK LED Blinks red green Resolve OK Under voltage U 160 V or Over voltage U 253 V Resolve OK Pump overheating Check water and ambient temperatures Resolve Pump Over speed Ensure that there is no other external flow other pump running on system OK Resolve Over current the stator winding is in short circuit due to water Check fo...

Page 49: ... XB111 7 Middle sensor GT198 8 DHW inlet outlet sensors GT198 9 Ballvalve 1212 Part 2 FT206 10 Ballvalve float FT429 11 Single shot overheat immersion stat XB114 12 Plastic feed and expansion tank XB343 13 22mm Blank FT311 14 28mm Blank FT466 15 Self resetting thermostat store control XC010 16 Non return valve GT048 17 Manual reset overheat thermostat XC011 18 Copper F E for solid fuel Bespoke man...

Page 50: ...d House 40 New Road 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 Mi...

Page 51: ...ure 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 obstructions Nev...

Page 52: ...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 53: ... 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 54: ...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 55: ...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 56: ... 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 To protect our environment we use copper a totally recyclable metal which never becomes waste Gledhill B...

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