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Summary of Contents for Fabdec Excelsior
- Page 1 UNVENTED WATER HEATERS INSTALLATION MANUAL INCLUDING SOLAR VESSELS EXCELSIOR...
- Page 2 Dimensions and performance • The EXCELSIOR fi lls your bath in minutes and will run two at EXCELSIOR Indirect and direct the same time (subject to good plumbing and fl ow rates) The EXCELSIOR solar unvented water heater should only be...
- Page 3 EXCELSIOR - SOLAR Indirect Heat Exterior Reference Dimen- Slight variations may occur with changes to water mains supply pressure. sions EXCELSIOR - Indirect Heat Exterior Reference Dimensions Reference Reference Volumes EXCELSIOR solar data is based on a primary fl ow Volumes Litres Litres 957.5 182.5 212.5 192.5 192.5...
- Page 4 DO NOT ATTEMPT TO VENT THE PRIMARY CIRCUIT THROUGH THE EXCELSIOR UNIT. EXCELSIOR UNIT. EXCELSIOR All boilers should be installed to manufacturers instructions and the primary circuit through the EXCELSIOR unit must be pumped. SITING THE EXCELSIOR UNIT CHECK WATER PRESSURE & FLOW...
- Page 5 Solar Pump - the lower twin thermostat should be connected in This is particularly easy to fi t on the EXCELSIOR units; and line with the solar pump power supply. is illustrated in Fig.9 opposite. A swept tee (not supplied)
- Page 6 Installation c. be installed with a continuous fall. If you need to site the EXCELSIOR unit in the middle of the should always be by means of a standard T connector ensuring d.
- Page 7 Open hot water tap nearest Open hot water tap nearest EXCELSIOR unit. If cold/warm water exits from the If water fails to drain from the EXCELSIOR unit, vent the sys- If water fails to drain from the temperature and pressure relief valve Your EXCELSIOR unvented hot water duplex stainless cylinder tem by opening the temperature and pressure relief valve.
- Page 8 For further assistance please contact the fabdec Ltd. Only use spare parts authorised fabdec Ltd. The use of other parts will invalidate the warranty. EXCELSIOR operating using internal expansion will require period checking and recommissioning of the internal air gap - please see commission procedure...
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