gledhill PULSACOIL III Design, Installation And Servicing Instructions
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gledhill PULSACOIL III Design, Installation And Servicing Instructions

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P U L S A
C O I L I I I
DESIGN, INSTALLATION AND
SERVICING INSTRUCTIONS
A mains pressure hot water supply system
incorporating an off peak electric thermal store
TEL: 0800 14 55 55 7
www.gledhill-pulsacoil-3.co.uk

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  • Page 1 P U L S A C O I L I I I DESIGN, INSTALLATION AND SERVICING INSTRUCTIONS A mains pressure hot water supply system incorporating an off peak electric thermal store TEL: 0800 14 55 55 7 www.gledhill-pulsacoil-3.co.uk...

  • Page 2: Domestic Hot Water

    DOMESTIC HOT WATER INTRODUCTION Cold Water Supply The PulsaCoil III based hot water supply system is shown schematically in Figure 1.1. The PulsaCoil III units are designed to be fed directly The PulsaCoil III appliance utilizes an off peak electrically...
  • Page 3 D E S C R I P T I O N Safety Fittings It is not necessary to fit control and safety equipment normally associated with mains pressure hot water storage appliances e.g. temperature and pressure relief valves and expansion vessel. PulsaCoil is WBS listed and a non-return valve is not required.

  • Page 4: Standard Equipment

    Gromets Off peak I.H. Figure 1.2 Standard PulsaCoil III Package The standard configuration of the PulsaCoil III is shown OPTIONAL EQUIPMENT in Figure 1.2. It is supplied as a complete factory made and tested appliance fitted with all the following items of...

  • Page 5: Electric Immersion Heaters

    Maxistore specification produced specially for Ecomony 7 products by the Electricity Industry. It is recommended that replacements should be obtained only from Gledhill Water Storage. Table 1.1 Technical Specification of PulsaCoil III MODEL PC144 PC190 PC210...
  • Page 6 Figure 2.1. For properties where the inlet pressure is high and PulsaCoil III will operate at mains pressures as low as the flow rates may exceed 30 l/min at any bath hot 1 bar and as high as 8 bar although the preferred range tap the installer must fit a lockshield pattern gate is 2-3 bar.

  • Page 7: Wiring The System

    WIRING THE SYSTEM peak boost. It is normal to supply the PulsaCoil III using an Ecomony 7 controller as shown in Figure 2.2. The whole of the electrical installation shall be designed...
  • Page 8 Storage heaters In addition to the supplies to the immersion heaters, PulsaCoil III requires a 3 amp supply for the control circuit. This 3 amp supply must be provided via a fused 3 amp double pole isolator providing 3mm of separation...

  • Page 9: Domestic Hot Water Temperature

    More heat is lost from the first metre of pipework connected to the store than from the store. Fig 3.1 PulsaCoil III pipe connection NOTE: It is a requirement of Part L of the Building Regu- arrangement lations that all hot water pipework within 1 metre of a hot water appliance is insulated.

  • Page 10: Wiring The Appliance

    . . . Electrical Installations BS 7671. Live to terminal 1 The PulsaCoil III is pre-wired back to a wiring centre Neutral to terminal 2 (see Figure 3.2) and a plumber should be able to Earth to terminal 3 connect the appliance provided they adhere strictly to the recommendations and the IEE Regulations.

  • Page 11: Commissioning The Appliance

    COMMISSIONING THE APPLIANCE IMPORTANT DO’S AND DON’TS The PulsaCoil III shall be filled with mains cold water through the F and E cistern lid until the level is in line a) DO check the incoming mains water pressure. The preferred range of mains pressure is 2 – 3 bar.

  • Page 12: Fault Diagnostics

    FAULT FINDING/DIAGNOSTICS FAULT DIAGNOSTICS The control panel on the front of the appliance is provided with 2 green indicator lights and a manual reset button. (Green light) (Green light) (manual reset button) These are provided to indicate the following:- GREEN LIGHT NO.2 & MANUAL RESET BUTTON GREEN LIGHT NO.1 Will provide overheat protection to prevent the stored Will sense the water level within the F &...

  • Page 13: Maintenance

    FAULT FINDINGS MAINTENANCE FAULT FINDING A number of the DHW faults indicated in the above chart No annual/regular maintenance is required. However, will be indicated by the pump speed control PCB. with the manual fill model we do recommend that the water level in the top up cistern is checked periodically The layout of the pump speed control PCB is shown in and water added if required.
  • Page 14 PARTS LIST 2&3. Brawa Mixing valve...
  • Page 15 PARTS LIST KEY NO DESCRIPTION G.C. NUMBER PART NO. DHW plate heat exchanger E05-664 GT017 PHE return temperature sensor E26-022 GT149 DHW temp sensor E26-024 GT153 DHW pump speed control PCB E26-023 GT152 DHW pump E05-723 GT105 Store overheat thermostat 397-978 GT064 Gravity check valve...
  • Page 16 A P P E N D I X APPENDIX 1 WATER SAVINGS WATER RELATED COSTS CAN BE REDUCED BY GOOD PLUMBING PRACTICE. 4 FIXING OPTIONS FOR TAPS & MIXERS 1. MK RANGE - Combined Regulators & Aerator for screwing onto Taps & Mixers with internal or external threads on their noses.
  • Page 17 Gledhill (Water Storage) AMD. SEPTEMBER 1994 1. We only do business upon the Conditions which appear below and no Where we agree to rectify any defect, we reserve the right to undertake the other. Unless we so agree in writing these Conditions shall apply in full to work on our own premises.
  • Page 18 (f) notwithstanding paragraph (3) hereof and subject to paragraph (7) (d) except as provided in paragraph (a) above but otherwise notwithstanding hereof, the Purchaser shall be permitted to sell the goods to third parties any provision herein contained in no event shall we be liable for the in the normal course of business.
  • Page 19 PULSACOIL III MANUAL ISSUE 5: 08/00 1. Page 6 - New Paragraph in Hot and Cold Water Services under item F. ‘On the odd occasion it is felt necessary to provide a secondary circulation. We would recommend the use of Raychem HWAT Plus or similar self regulating trace heating to maintain the temperature in the hot water distribution system.
  • Page 20 Sales, Service & Repair Gledhill PulsaCoil 3 C/O Hot Water Cylinders Limited 302 Foxhunter Drive Milton Keynes MK14 6GD TEL: 0800 14 55 55 7 www.gledhill-pulsacoil-3.co.uk...

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