gledhill TEC140-OV Installation & Servicing Instructions Manual
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gledhill TEC140-OV Installation & Servicing Instructions Manual

Torrent eco ov;torrent eco sp;torrent eco sol
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Torrent ECO
Open vented thermal store providing heating and mains pressure hot water
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

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  • Page 1 Torrent ECO Open vented thermal store providing heating and mains pressure hot water 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...

  • Page 2: Table Of Contents

    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 Torrent 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.

  • Page 3: Design

    B at the rear of this manual. Maintenance Modifications should not be made to this product. Replacement parts, including immersion heaters, should be purchased from Gledhill Building Products Limited, or agents approved by them. The manual must always be left with the Torrent. The Environment This product has been manufactured using many recyclable materials, including the approved HCFC/CFC free polyurethane foam insulation.
  • Page 4 DESIGN Gledhill developed the principal of domestic thermal stores starting in 1982 and g) Less controls – The thermal store is open they have been manufacturing them since then. vented and therefore does not require additional safety devices such as temperature Their importance to plumbing systems is described below.
  • Page 5 DESIGN should be made to power the lower immersion element in order to minimise the running The Torrent ECO SOL is designed to be heated costs. It is important to note that the design heat loss, of the rooms to be heated, must by one or more of the following heat sources;...

  • Page 6: Technical Information

    DESIGN Torrent ECO SP Torrent ECO OV Technical watts litres Torrent ECO OV TEC140-OV 1219 1040 1040 TEC170-OV 1449 1270 1270 TEC210-OV 1414 1235 1235 TEC250-OV 1654 1475 1475 TEC350-OV 1874 1140 1690 1690 Torrent ECO SP TEC140-SP 1219 1040 1040...
  • Page 7 3. All connections are within 145˚, but if more detail is required, please contact our technical desk on 01253 474584 or your local Gledhill depot. 4. 24 plate PHE used on all models apart from heat pump models. litres/...
  • Page 8 DESIGN Torrent ECO HP Technical watts litres Torrent ECO HP TEC170-HP 1449 1270 1270 TEC210-HP 1414 1235 1235 TEC250-HP 1654 1475 1475 TEC350-HP 1874 1140 1690 1690 TEC450-HP 1764 1490 1490 Torrent ECO HP SOL TEC210-HPSOL 1414 1235 1235 TEC250-HPSOL 1654 1085 1475 1475 1000 TEC350-HPSOL...
  • Page 9 3. All connections are within 145˚, but if more detail is required, please contact our technical desk on 01253 474584 or your local Gledhill depot. 4. The domestic hot water volume and maximum hot water flow rate figures are based on the store temperature being 75˚C.

  • Page 10: System Design

    DESIGN Torrent ECO OV Available Components and Tappings 1. Open vent - 22mm comp 2. Overheat stat - 1/2” female 3. Plate heat exchanger flow - 22mm 4. Domestic hot water store sensor 5. Immersion heater 6. Solid fuel flow - 28mm comp 7.
  • Page 11 DESIGN Torrent ECO SOL Available Components and Tappings 1. Open vent - 22mm comp (450 - 28mm comp) 2. Overheat stat - 1/2” female 3. Plate heat exchanger flow - 22mm 4. Domestic hot water store sensor 5. Solar sensor 6.
  • Page 12 DESIGN Torrent ECO HP Available Components and Tappings 1. Open vent - 22mm comp (450 - 28mm comp) 2. Store overheat - 1/2” female 3. Plate heat exchanger flow - 22mm 4. Domestic hot water store sensor 5. Hot water supply - 22mm comp 6.
  • Page 13 DESIGN General Heat Pump Sizing • All Torrent ECO HP models covered by this manual, are only suitable for open • The efficiency (i.e. coefficient of performance, vented primary (heat pump and space heating) circuits. Therefore the pressure COP) of an air source heat pump and hence in the primary circuit depends upon the height of the feed and expansion cistern its heat output generally decreases as and could be as low as 0.20 bar.

  • Page 14: Installation

    The suggested model sizes shown in the tables opposite are based on a typical daily hot water 1 bathroom 1 - 2 TEC140-OV usage and on the assumptions that the heating 1 bathroom + en-suite shower 2 - 4 TEC170-OV...
  • Page 15 INSTALLATION Mains Water Supply Taps and Shower Fittings A typical arrangement of the hot and cold water system is shown below. All Torrent Aerated taps are recommended to prevent models are designed to be fed directly from the mains and they fulfil the requirements splashing.
  • Page 16 INSTALLATION Pipe Layout water circuit of combination boilers to reduce the rate of accumulation of scale”. To comply In all mains pressure installations it is important to remember that the incoming cold with this requirement: - supply must be shared between all terminal fittings. It is important that a 22mm supply is brought to the appliance and a 22mm take-off is continued at least to the bath.
  • Page 17 Plate heat exchanger is removed on every occasion. Replacement Pump isolation valves immersion heaters should be obtained from Control Gledhill Building Products Limited. stat Cold water sensor Pipework length and Inline lter & diameter to suit Single...
  • Page 18 INSTALLATION Boiler Size Allowance for domestic hot water for sizing the boiler Allowance for domestic The minimum total boiler power required is the hot water heating (kW) Torrent model sum of the power required for space heating which should be calculated in accordance with Full divert mode Flow share mode BS EN 12831 and/or the CIBSE guide and the...
  • Page 19 INSTALLATION Open vented heating systems 2 Pump System The open vented primary system is filled via the feed and expansion (F&E) tank fitted with the Min. 250mm Torrent OV model and therefore it is important that the F&E tank is positioned at least 250mm above the highest point in the system.
  • Page 20 INSTALLATION The two diagrams shown on this page show S Plan Open Vented Heating System how an ‘S’ plan and ‘Y’ plan may be used in conjunction with the Torrent ECO OV, with another space heating supply being taken Min. 250mm Auxiliary direct from the store.
  • Page 21 INSTALLATION Sealed heating system S Plan Sealed Main Heating System All Torrent SP models are suitable for sealed heating systems up to 3.5 bar maximum Min. operating pressure, however the normal 250mm pressure relief valve setting is 3.0 bar. The typical layout of the open vented ‘Y Plan’...
  • Page 22 INSTALLATION Torrent Green HP Models HP Model With Central Heating From Heat Pump The Torrent ECO HP models are all open vented and are designed to be heated directly by an air or a ground source heat pump which does not require a minimum pressure in the primary Min.
  • Page 23 INSTALLATION Torrent ECO HP-Solar Models HP SOL Model With Central Heating From Heat Pump The heat pump and space heating system configurations and operation with the Torrent Solar ECO HP-solar models is the same as for standard controller models. The solar thermal system operates Solar pumping station independent of the heat pump system.
  • Page 24 INSTALLATION Solar heating circuit S Plan Open Vented Heating System Including Solar Input The Torrent SOL is an advanced thermal store and has been designed to incorporate existing Solar boiler and central heating controls and is based controller on the tried and tested standard Torrent range. Solar pumping station Therefore general design requirements for Auxiliary...
  • Page 25 INSTALLATION For maximising the use of the renewable ‘green’ energy, the system should be managed and controlled so that unnecessary firing of the boiler is kept to a minimum. This can be achieved by a combination of householder use of the system and controls, for example; Use the store to provide shower or a bath to utilise the heat gained by the system from the previous day’s solar energy input.
  • Page 26 The cistern should be fitted with a brass float operated valve that is manufactured to BS1212 Typical components (not supplied but available to purchase from Gledhill Spares Ltd); Pt. 2 and is fitted with an appropriately sized • Honeywell V4043B1265 (XB165) - 28mm compression normally open 2 port valve copper float.

  • Page 27: Wiring Diagrams

    INSTALLATION WIRING DIAGRAMS Page 27...
  • Page 28 INSTALLATION CH & HW Programmer Normally Open Control Stat 2 Room Thermostat 2 Port Valve Junction Local double pole isolator Normally Closed boiler pump Pipe Thermostat 1 2 Port Valve Boiler wiring terminals Mains supply Boiler pump Central hea 230VAC ~ 5 Amp pump Torrent ECO with 2 pump heating control system and typical solar heating system WIRING DIAGRAMS...
  • Page 29 INSTALLATION Store stat Solar panels Solar controller 230Vac 50Hz Solar supply Pump L N E Torrent ECO SOL Solar pumping station Boiler hold off pipe thermostat Type LL641B1012 Temperature range: 50 – 95°C Typical thermal store temperature set point 75-77°C, must be set at a temperature which prevents the contents of the thermal store exceeding...
  • Page 30 INSTALLATION CH & HW Programmer Normally Open Control Stat 2 Room Thermostat 2 Port Valve Junction Local double pole isolator Normally Closed boiler pump Pipe Thermostat 1 2 Port Valve Boiler wiring terminals Mains supply System pump 230VAC ~ 5 Amp Flow sh Torrent ECO with ‘Y’...
  • Page 31 INSTALLATION Store stat Solar panels Solar controller 230Vac 50Hz Solar supply Pump L N E Torrent ECO SOL Solar pumping station Boiler hold off pipe thermostat Type LL641B1012 Temperature range: 50 – 95°C Typical thermal store temperature set point 75-77°C, must be set at a temperature which prevents the contents of the thermal store exceeding...
  • Page 32 INSTALLATION CH & HW Programmer Normally Open Room thermostat Control Stat 2 2 Port Valve Junction box Local double pole isolator Normally Closed Pipe Thermostat 1 2 Port Valve boiler pump Boiler wiring terminals Central heatin Mains supply Zone valve System pump 230VAC ~ 5 Amp Torrent ECO with ‘S’...
  • Page 33 INSTALLATION Store stat Solar panels Solar controller N R1 N R1 N 12 13 14 15 16 17 18 19 20 Torrent ECO SOL Solar pumping station Boiler hold off pipe thermostat Type LL641B1012 Temperature range: 50 – 95°C Typical thermal store temperature set point 75-77°C, must be set at a temperature which prevents the contents...
  • Page 34 INSTALLATION Typical schematic wiring diagram for the Torrent ECO HP and Torrent ECO HP-solar with space heating supplied from thermal store. WIRING DIAGRAM Page 34...
  • Page 35 INSTALLATION Typical schematic wiring diagram for the Torrent ECO HP and Torrent ECO HP-solar with space heating supplied directly from the heat pump circuit. WIRING DIAGRAM Page 35...
  • Page 36 INSTALLATION Typical schematic wiring diagram and system configuration for the Torrent ECO HP-solar. WIRING DIAGRAM Page 36...
  • Page 37 INSTALLATION Boost Immersion Heater Control By Programmer All Torrent ECO HP models are fitted with a 3kW immersion heater so that the store can be The operation of the boost immersion heater heated to a temperature above the heat pump delivery temperature to increase the hot can be controlled by means of an independent water performance of the unit if necessary.

  • Page 38: Commissioning

    INSTALLATION Torrent OV Models (heated by electricity only) has no special water treatment requirements, the radiators and other parts of the circuit will Ensure that the thermal store is filled with water to the water level mark inside the require the application of a scale and corrosion feed and expansion tank and the ball valve (if fitted) is adjusted correctly.
  • Page 39 INSTALLATION DO - Check the incoming mains water pressure. If it exceeds 5.0 bar at any point in the 24 hour cycle then a pressure limiting valve set at 3.0 bar should be fitted where the cold supply enters the property. DO - Check the flow rate of the incoming cold water main is adequate to meet the maximum hot and cold water simultaneous demands.

  • Page 40: Installation Review

    INSTALLATION Circulating fluid in thermal store pipework • The Torrent ECO and the thermal store pipework must have completed filling prior to switching the electricity supply to the PWM controller PCB. If there is no water in these pipes then there may be significant wear on the PWM pump. •...
  • Page 41 Failed components should be returned during the in-warranty period on return of the faulty part (normally 12 months) via 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.

  • Page 42: Fault Finding

    SERVICING AND MAINTENANCE UNSATISFACTORY Is the power supply Follow the HOT WATER to the PHE controller Switch it on fault nding PERFORMANCE switched on chart Is the model Is the boiler Change for suitable for the thermostat correct hot water set to max? model requirement?
  • Page 43 SERVICING AND MAINTENANCE Test Equipment The initial assumption in this procedure is that the plumbing and water supply is working effectively. If in doubt please confirm and refer to the end of this section for advice on specific components. A multi meter, a weir gauge and a thermometer will be required to confirm that all the components are working effectively.
  • Page 44 SERVICING AND MAINTENANCE Electrical power connections Reference schematic Check procedure opposite Power supply to PWM Electrically isolate power supply at fused spur switch and remove fuse. Controller PCB Earth continuity test (dead test) – to ensure that the appliance is earthed Mains voltage test (dead test) - to ensure that the appliance is isolated Resistance to earth (dead test) –...
  • Page 45 SERVICING AND MAINTENANCE GND GND Combined flow HW temperature sensor All the these sensor inputs carry a Voltage of 5V. The max cable length is 1 meter. TS sensor The sensors connected to the control 4 5 6 Should be free from the appliance earth CW sensor Fuse pipe...
  • Page 46 SERVICING AND MAINTENANCE Check for presence of overheat link An overheat link connection should be present in connection Junction 7. If you are fitting a new board the overheat link that is on the board just removed must be retained as the newly supplied board will not have one fitted.
  • Page 47 SERVICING AND MAINTENANCE Check pump electrical circuits Meaning Diagnosis Cause Remedy Lights green Normal running Pump runs according Normal operation PWM input Blinks quick green Normal stopped Pump in standby Blinks red/ green Abnormal running mode The pump has stopped Under voltage U<160 V Check voltage supply -pump stopped but still...

  • Page 48: Short Parts List

    SERVICING AND MAINTENANCE FAULT FINDING Page 48...
  • Page 49 Self resetting thermostat (store/control) XC010 Non return valve GT048 Manual reset overheat thermostat XC011 18 Copper F&E for solid fuel (Bespoke manufacture, contact local Gledhill depot) 19 Scale inhibitor XB142 20 Flow sensor XB091 21 90 Degree isolation valve GT135...
  • Page 50 APPENDIX Water Savings Water Related Costs Can Be Reduced By Good Plumbing Practice 2 tap 5, 6 or half open Over 8 l/m 20 l/m Fitted with regulator Unregulated TAPS & MIXERS 4 Fixing Options For Taps & Mixers 1. MK Range - Combined Regulators & Aerator for screwing onto Taps &...

  • Page 51: Notes

    APPENDIX MANUAL HANDLING OF APPLIANCE PRODUCTS e. Taking the lead for team lifts- As Description more than one person is required for these products ensure that one Manual handling means any transporting or supporting of a load (including lifting, person is taking the lead. This may putting down, pushing, pulling, carrying or moving) by hand or bodily force.

  • Page 52: Terms & Conditions

    AMD.DECEMBER 2013 CONDITIONS OF SALE & GUARANTEE TERMS Gledhill (Building Products) Ltd (“We” or “Gledhills”) only do business upon the Conditions which appear below (i) free of all charge during the first year after delivery and no other. Unless we so agree in writing these Conditions shall apply in full to any supply of goods by us to the by us.
  • Page 53 (2) above. We shall Gledhill have a policy of continuous product development not be responsible for and the Purchaser will indemnify us against liability in respect of damage caused to and may introduce product modifications from time to time.

  • Page 54: Commissioning Check List

    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. MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST Customer name: Telephone number: Address:...

  • Page 55: Service Record

    SERVICE RECORD It is recommended that your hot water system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. SERVICE 01 SERVICE 02 Date:...
  • Page 56 Due to a programme of continuous improvement Gledhill Building Products reserve the right to modify products without prior notice. 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.

This manual is also suitable for:

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