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Unvented Hot Water Cylinders
Warranty, Installation, Operation and Maintenance
Instructions
IMPORTANT NOTE TO THE INSTALLER
Read these installation and maintenance instructions before commencing. Unvented cylinders are a controlled service as
defined in the latest edition of the building regulations and should only be fitted by a competent person.
The relevant regulations are: England and Wales – Building Regulation G3; Scotland – Technical Standard P3; North Ireland – Building Regulation P5.
After installation the installer must left the instructions manual with the householder.
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Table of Contents
Related Manuals for joule TRIPLE
Summary of Contents for joule TRIPLE
- Page 1 Unvented Hot Water Cylinders Warranty, Installation, Operation and Maintenance Instructions IMPORTANT NOTE TO THE INSTALLER Read these installation and maintenance instructions before commencing. Unvented cylinders are a controlled service as defined in the latest edition of the building regulations and should only be fitted by a competent person. The relevant regulations are: England and Wales –...
- Page 2 Joule fully endorse the Benchmark scheme and the code of practice can be obtained from www.centralheating.co.uk The expansion vessel and cold water controls supplied with JOULE models carry a 2-year guarantee. All other components fitted to/or supplied with the unit carry a 2-year guarantee.
- Page 3 CALL OUT A COMPETENT PLUMBER TO SERVICE THE UNIT. Tell them you have a fault on an unvented cylinder. We stock all the spare parts they may need and Joule can be contacted via telephone numbers on back page.
- Page 4 - High quality controls selected that combine high flow rate performance with minimum pressure drop which gives fantastic performance in all areas, with great improvements in areas with poor water pressure COMES COMPLETE WITH ALL THE FITTINGS YOU NEED TO COMPLETE THE INSTALLATION: ACCESSORIES DIRECT INDIRECT TWIN TRIPLE ...
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Page 5: Siting The Unit
unvented hot water cylinders installation and maintenance instructions Page 5 / 17 SITING THE UNIT This unit can supply outlets above it or at some distance from it but any outlets above the unit will reduce the available outlet pressure by 0.1 bar for every 1m of height difference. The maximum length of the “dead leg” should be as stated in the Water Supply (Water Fittings) Regulations 1999 G18.7, in particular to the area of most frequent use. -
Page 6: General Installation
They are rated at 3 kW at 240 V and are of a low noise Incoloy construction. They have both a thermostat and a high limit cutout. Please order the correct replacement from JOULE; fitting non-approved immersions may affect your guarantee. -
Page 7: Discharge Arrangement
unvented hot water cylinders installation and maintenance instructions Page 7 / 17 DISCHARGE ARRANGEMENT Note: It is not acceptable to discharge straight into a soil pipe Note: The discharge will consist of scalding water and steam. Asphalt, roofing felt and non-metallic rainwater goods may be damaged by such discharges. - Page 8 unvented hot water cylinders installation and maintenance instructions Page 8 / 17 Examples of acceptable discharge arrangements are: 1. Ideally below the fixed grating and above the water seal in a trapped gulley. 2. Downward discharges at a low level; i.e. up to 100mm above external surfaces such as car parks, hard standings, grassed areas etc. are acceptable providing that where children play or otherwise come into contact with discharges, a wire cage or similar guard is positioned to prevent contact whilst maintaining visibility.
- Page 9 Adjust the dial of the dual thermostat to between 30°C and 70°C as required. STORAGE TEMPERATURE 60-65°C is the recommended storage temperature for both direct and indirect cylinders. In hard water areas consideration should be given to reducing this to 50-55°C. In many healthcare applications the guidance on Legionella control and safe water delivery temperatures will require storing the water at 60-65°C, distributing at 50- 55°C and using thermostatic mixing valves to...
- Page 10 Page 10 / 17 SERVICING GENERAL Servicing should only be carried out by competent installers and any spare parts used must be purchased from JOULE. NEVER bypass any safety devices or operate the unit without them being fully operational. DRAINING Switch the electrical power off (important to avoid damage to element).
- Page 11 SOLUTION Water escaping from the case unit Compression fitting on hot – draw off not sealing Check/remake joint sealing paste Direct – immersion heater not switched on or cutout Check / reset has triggered Check boiler – consult boiler manufactures’...
- Page 12 Page 12 / 17 Technical Specifications: Direct no coil. Ø B Capacity ØB Weight Weight [mm] [mm] [mm] [mm] [mm] [mm] [mm] Empty[kg] full[kg] 1110 1205 1025 1110 1360 1128 1560 1326...
- Page 13 unvented hot water cylinders installation and maintenance instructions Page 13 / 17 Technical Specification TWIN with two coils. SOLAR Ø B Ø B Capacity. ØB Weight Weight [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] empty[kg] Full[kg]...
- Page 14 Using this guide are able to offer sizing advice for specification. Coil 1 Coil 2 Coil 3 Model Capacity Symbol Surface Surface Surface . kW m² m² 125DI 150DI 170DI 200DI DIRECT 250DI 300DI 400DI 500DI 125IN 16,8 150IN 16,8 170IN 16,8 200IN 25,3 INDIRECT 250IN 25,3 300IN 28,7...
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Page 15: Specification Summary
unvented hot water cylinders installation and maintenance instructions Page 15 / 17 SPECIFICATION SUMMARY MATERIALS - Inner shell - Duplex Stainless Steel - Coil - Stainless Steel AISI 316L - Bosses - Stainless Steel AISI 316L - Every cylinder is water tested to a pressure of 10bar. INSULATION - Fire retardant polyurethane foam - The foam is CFC-Free and HCFC-Free. - Page 16 unvented hot water cylinders installation and maintenance instructions Page 16 / 17 NOTES...
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