Dutypoint EUHPC08060V User Manual

Dutypoint EUHPC08060V User Manual

Ultra high performance indirect hot water cylinders element series

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Ultra High Performance Indirect Hot Water Cylinders
User Guide
Document Reference: DOC-EUHPCOM1701

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Summary of Contents for Dutypoint EUHPC08060V

  • Page 1 Ultra High Performance Indirect Hot Water Cylinders User Guide Document Reference: DOC-EUHPCOM1701...
  • Page 2: Table Of Contents

    Table of Contents Table of Contents Element by Dutypoint Ultra High Performance Unvented Hot Water Cylinders 1. Introduction ...............................3 2. Models and Performance ..........................4 3. Product Specifications ...........................5 4. Installation Instructions ..........................6 5. Wiring Instructions............................11 6. Tundish................................14 7. Discharge Pipework ............................. 15 8.
  • Page 3: Introduction

    The Element by Dutypoint unvented water heater is a high quality stainless steel unvented cylinder which can provide hot water from a cold mains water supply of between 1.5 bar and 16 bar.
  • Page 4: Models And Performance

    Models and Performance Models and Performance This section contains details on the different models in the Element UHP Cylinder range, with their relative specifications and performance. 2.1 General Technical Specification This table shows specifications which apply to every model in the Element UHP range Description Value Maximum Flow Rate...
  • Page 5: Product Specifications

    Weight Weight Capacity Reheat (kWh/24hr @ Product Code (litres) (Bar) (litres) (mm) (mm) (kg) (kg) (kW) Time* 65°C) Vertical EUHPC08045V 0.92 EUHPC08060V 0.92 EUHPC15045V 1085 1.36 EUHPC15060V 1085 1.36 EUHPC17545V 1242 1.53 EUHPC17560V 1242 1.53 EUHPC21545V 1484 1.72 EUHPC21560V 1484 1.72...
  • Page 6: Installation Instructions

    Installation Instructions Installation Instructions WARNING: UNDER NO CIRCUMSTANCES MUST THE FACTORY FITTED TEMPERATURE PRESSURE RELIEF VALVE BE REMOVED. THIS WILL INVALIDATE ANY GUARANTEE OR CLAIM. THE COLD-WATER INLET VALVE ASSEMBLY MUST BE FITTED OR THE UNIT WILL NOT PERFORM SATISFACTORILY. THIS WILL INVALIDATE ANY GUARANTEE OR CLAIM. —...
  • Page 7: Connecting The Water Supply

    4.7 Check Water Pressure and Flow Rates Dutypoint suggests 1.5 bar pressure and 20 litres/minute flow rate to be the minimum requirements for satisfactory operation. The unit will still operate below this, but it will not be possible to run two or more outlets at the same time.
  • Page 8: Circulation Pump

    IMPORTANT: IF A SECONDARY CIRCULATION CIRCUIT IS INSTALLED THEN A LARGER EXPANSION VESSEL MAY BE REQUIRED TO HANDLE THE INCREASE IN WATER VOLUME. — Calculate the additional water volume; — Contact Dutypoint Service on 01452 300590 regarding suitable vessel sizes. Figure 2: Secondary Return Connection Installation Secondary...
  • Page 9 Installation Instructions 4.15 External Expansion Vessel This smaller tank is connected to the cold-water inlet side of the vessel. Mount the tank according to separate manufacturer’s instructions provided with the external expansion vessel. A suitable expansion vessel is supplied with Element cylinders with external expansion. Pre-charge the expansion vessel to match the pressure relief valve (PRV) pressure setting.
  • Page 10 Installation Instructions Figure 4: Combination Inlet Valve Pressure relief valve connection Supply to cylinder Mains water connection Balanced cold To expansion water (if required) vessel...
  • Page 11: Wiring Instructions

    Wiring Instructions Wiring Instructions Wiring instructions for the Element UHP Cylinder Range. WARNING: ALL ELECTRICAL WIRING SHOULD BE CARRIED OUT BY A COMPETENT ELECTRICAL CONTRACTOR AND MUST CONFORM TO THE LATEST IEE WIRING REGULATIONS — Do not switch the power on until the unit has been filled with water and all wiring has been earthed. Figure 5: S Plan Wiring Diagram...
  • Page 12: Immersion Heater

    Wiring Instructions Figure 6: Y Plan Wiring Diagram 5.1 Immersion Heater Secondary circuit connections MUST be made to the cylinder in accordance with the recommended installation diagram. A drain cock should be fitted in the cold water inlet to facilitate draining of the cylinder. Not supplied. IMPORTANT: ENSURE THAT THE IMMERSION HEATER THERMOSTAT IS SET TO A MAXIMUM OF 60°C.
  • Page 13 Wiring Instructions 5.2 Fitting the Twin Thermostat Figure 8: Cylinder Thermostat and Thermal Cut-Out Connections Housing Twin Thermostat Insert probes through hole in housing Secure front face using self-tapping screws provided...
  • Page 14: Tundish

    Tundish Tundish The tundish supplied must be fitted so it is visible to the occupier. The discharge pipe must be 22mm copper pipe. Regulations do not permit more than 3 x 90-degree bends between the cylinder and the outflow. Between the temperature & pressure relief valve and the first 90-degree bend there must be a fall of at least 300mm.
  • Page 15: Discharge Pipework

    Discharge Pipework Discharge Pipework 7.1 G3 Requirement ‘...there shall be precautions...to ensure that the hot water discharged from safety devices is safely conveyed to where it is visible but will not cause danger to persons in or about the building.’ 7.2 G3 Guidance The discharge pipe (D1) from the vessel up to and including tundish is generally supplied by the manufacturer of the hot water storage system.
  • Page 16 Discharge Pipework Figure 10: Typical Discharge Pipework Arrangement Metal discharge pipe (D1) from temperature relief valve to tundish Safety device (e.g. 600mm max. temperature relief valve) 300mm min. Sleeved through wall Discharge below fixed grating Metal discharge pipe (D2) Fixed grating from tundish with contin- uous fall of at least 1 in Trapped gully...
  • Page 17: Commissioning

    WARNING: IF COLD/ARM WATER EXISTS FROM THE TEMPERATURE AND PRESSURE RELIEF VALVE (TPV) OR FROM THE PRESSURE RELIEF VALVE (PRV): — Call your installer or call Dutypoint Service on 01452 300590. WARNING: IF VERY HOT WATER EXITS FROM EITHER VALVE: —...
  • Page 18: Maintenance

    Maintenance Maintenance Servicing and maintenance should only be carried out by a competent unvented hot water installer or Dutypoint authorised personnel. WARNING: BOTH THE PRIMARY AND SECONDARY SYSTEMS WILL CONTAIN VERY HOT WATER THAT WILL SCALD — Care must be taken when opening any joints, seals or valves.
  • Page 19: Fault Finding

    Fault Finding 10 Fault Finding DANGER OF ELECTRIC SHOCK — Disconnect the electrical supply before removing any electrical equipment cover. Table 2: Faults, Causes and Remedies Fault Possible Cause Remedy One pipe circulation in the case of short pipe Install a non-return valve as close as possible Cylinder cools down overnight networks with low pressure loss to the cylinder...
  • Page 20: Warranty

    In addition Dutypoint Ltd guarantees domestic stainless steel inner hot water cylinders for a period of 25 years from the date of purchase against faulty material or manufacture provided that: –...
  • Page 21: Disposal

    Disposal 12 Disposal 12.1 Disposal of packaging Those responsible for installing the cylinder are responsible for disposal of any transport packaging. Observe national regulations. 12.2 Cylinder disposal You must not dispose of the cylinder or any of its accessories in normal domestic rubbish. The cylinder and accessories must be disposed of in accordance with national regulations.
  • Page 22 Dutypoint Limited Shepherd Road Gloucester GL2 5EL United Kingdom T: +44(0)1452 300592 W: www.dutypoint.com...

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