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Installation & Maintenance
Instructions
The Electric Heating Company Ltd
Unit 40 Block 5 Third Road
Blantyre Industrial Estate
Blantyre Glasgow
G72 0UP
Tel: 01698 820533
Fax: 01698 825697
email: info@electric-heatingcompany.co.uk
MARCH 2017
www.electric-heatingcompany.co.uk
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Table of Contents
Related Manuals for EHC NEPTUNE NINDSL90L
Summary of Contents for EHC NEPTUNE NINDSL90L
- Page 1 Installation & Maintenance Instructions The Electric Heating Company Ltd Unit 40 Block 5 Third Road Blantyre Industrial Estate Blantyre Glasgow G72 0UP Tel: 01698 820533 Fax: 01698 825697 email: info@electric-heatingcompany.co.uk MARCH 2017 www.electric-heatingcompany.co.uk...
- Page 2 Fault Finding & User Instructions the EHC Neptune perform well in all areas, even those 16 - 17 Speciication & Performance with poor water pressure.
- Page 3 Temperature and pressure relief valve Spare Part No. CB098 WATER SUPPLY The EHC Neptune operates at 3 bar (controlled by the inlet control set) and is capable of delivering over 50 litres per Acetal tundish 15 x 22 mm minute. The high quality inlet control set has been designed Spare Part No.
- Page 4 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS COMPONENT CONTENT TABLE Slimline Direct Models (Electric) Slimline Indirect Models Direct Models (Electric) Indirect Models Solar Indirect Models Direct Models (Electric) Indirect Models (Single Coil) Solar Indirect Models (Two Coils)
- Page 5 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SITING THE UNIT The EHC Neptune can supply outlets above it or at some Access for maintenance of the valves should be considered. distance from it. Site the unit to minimise “dead leg” Consideration should be given to position of discharge distances, especially to the point of most frequent use.
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Page 6: General Installation
COLD MAINS PIPEWORK Run the cold main through the building to the place where the EHC Neptune is to be installed. Take care not to run the cold pipe near hot water or heating pipework so that the heat pick-up is minimized. Identify the cold water supply pipe and it an isolating valve (not supplied). - Page 7 BALANCED COLD CONNECTION SECONDARY CIRCULATION If there are to be showers, bidets or monobloc taps in the The EHC Neptune can be used with secondary circulation. installation then a balanced cold supply is necessary. There An appropriate WRAS approved bronze circulator should is a 22mm balanced connection on the inlet set.
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Page 8: Discharge Arrangement
EHC NEPTUNE UNVENTED HOT WATER CYLINDERS DISCHARGE ARRANGEMENT Note: The discharge will consist of scalding water and steam. Asphalt, rooing felt and non-metallic rainwater goods may be damaged by such discharges. Note: D2 pipe from tundish is now allowed to be installed in soil stacks within premises. - Page 9 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS The discharge pipe (D2) from the tundish should: WORKED EXAMPLE The example below is for G1/2 temperature relief valve with A) Have a vertical section of pipe at least 300mm long, a discharge pipe (D2) having 4 No. elbows and length of 7m below the tundish before any elbows or bends in the from the tundish to the point of discharge.
- Page 10 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS TECHNICAL SPECIFICATIONS EHC NEPTUNE SLIMLINE DIRECT 22mm HOT DRAW - OFF F PTRV BOSS “ 22mm SECONDARY RETURN (not always fitted. See table) SECOND IMMERSION HEATER 50.0˚ 15.0˚ 30.0˚ 22mm COLD FEED WITH DIP PIPE TO DEFLECTOR...
- Page 11 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS TECHNICAL SPECIFICATIONS EHC NEPTUNE DIRECT 22mm HOT DRAW - OFF 22mm SECONDARY RETURN (not always fitted. “ F PTRV BOSS See table) 45.0 SECOND IMMERSION HEATER 30.0 25.0 15.0 22mm COLD FEED WITH DIP PIPE TO DEFLECTOR...
- Page 12 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS TECHNICAL SPECIFICATIONS EHC NEPTUNE SOLAR INDIRECT 22mm HOT DRAW-OFF ½” F PTRV BOSS DRY STAT POCKET 22mm SECONDARY RETURN (not always fitted. See table) DRY STAT POCKET 22mm COLD FEED WITH DIP PIPE TO DEFLECTOR IN BOTTOM OF CYLINDER 50.0...
- Page 13 L1B provides excellent advice in sizing both cylinder designated solar areas and heat exchangers to the surface area of the solar collectors. Using this guide EHC are able to offer sizing advice for speciication. NB: The total detail of compliance guide document should be consulted prior to specifying product or commencing design.
- Page 14 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SCHEMATIC WIRING...
- Page 15 Before illing, open consideration should be given to reducing this to 50-55°C. the hot tap furthest away from the EHC Neptune to let air In many healthcare applications the guidance on Legionella out. Open the cold main isolation valve and allow the unit to control and safe water delivery temperatures will require ill.
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Page 16: Fault Finding
EHC NEPTUNE UNVENTED HOT WATER CYLINDERS FAULT FINDING FAULT POSSIBLE CAUSE SOLUTION Water escaping from the case Compression itting on hot - draw off not sealing Check/remake joint with sealing paste Cold water at hot taps Direct - immersion heater not switched on or cutout has... - Page 17 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SPECIFICATION CYLINDER DETAILS & PERFORMANCE EHC NEPTUNE DIRECT SLIMLINE NDIRSL90L 1.05 NDIRSL120L 105m 1.12 NDIRSL150L 125m 1.29 NDIRSL180L 140m 1.37 NDRIRSL210L 160m 1.64 EHC NEPTUNE INDIRECT SLIMLINE NINDSL90L 17m 22s 15m 12s 0.67 3.69 16.1...
- Page 18 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS TECHNICAL SPECIFICATIONS PRESSURE SPECIFICATIONS Maximum Inlet Water Pressure 12 Bar Operating Pressure 3.0 Bar Expansion Valve Opening Pressure 6.0 Bar Expansion Vessel Charge Pressure 3.0 Bar Maximum Operating Pressure 7.0 Bar Opening Pressure of T & P Valve 7.0 Bar...
- Page 19 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS COMMISSIONING RECORD Commissioning Date..............Engineer’s Name................Customer Name................Company Name................Customer Phone Number ............Company Address ............... Cylinder Model Number ..............Telephone Number............... Cylinder Serial Number .............. Registered Operator ID Number,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Building Regulation Notiication Number (if applicable) .......................
- Page 20 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY SERVICE 1 Date..............SERVICE 2 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 21 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY CONT. SERVICE 5 Date..............SERVICE 6 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 22 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY CONT. SERVICE 9 Date..............SERVICE 10 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 23 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY CONT. SERVICE 13 Date..............SERVICE 14 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 24 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY CONT. SERVICE 17 Date..............SERVICE 18 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 25 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS SERVICE HISTORY CONT. SERVICE 21 Date..............SERVICE 22 Date..............Engineer’s Name................Engineer’s Name................Company Name................Company Name................Telephone Number............... Telephone Number............... Pressure in Potable Expansion Vessel........Pressure in Potable Expansion Vessel........Safety valves functioning Safety valves functioning Actions ..................
- Page 26 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS GUARANTEE TERMS AND CONDITIONS This guarantee applies only to the product named EHC Record and service agreement / invoice. Neptune Unvented Hot Water Cylinder. Hereafter the term Annual Services are available from the Customer Service/ ‘product’...
- Page 27 EHC NEPTUNE UNVENTED HOT WATER CYLINDERS GUARANTEE TERMS AND CONDITIONS •If a defect arises and a valid claim is received within the caused. warranty period, at its option and to the extent permitted by • The effects of scale build up or the effects of corrosion.
- Page 28 GUARANTEE REGISTRATION CARD To be completed by the home owner. Please use this card to register within 30 days of commissioning / occupation if new build to beneit from the Electric Heating Company 25 year guarantee. By completing this form, you consent to Electric Heating Company holding and using those details for all purposes directly related to the administration and conduct of guarantee services.