Fabdec EXCELSIOR, Installation Manual

Page 1: ...Water heating systems March 2014 Installation Manual EXCELSIOR Unvented Water Heater EXCELSIOR ...

Page 2: ...Buffer Range 9 2 6 Excelsior Horizontal Direct Range 9 2 7 Excelsior Horizontal Indirect Range 10 3 Installation Instructions 11 3 1 Installation Requirements 11 13 3 2 Recommended Installation Schematics 14 15 3 3 Wiring Instructions 16 18 3 4 Tundish 18 3 5 Discharge Pipework 19 20 3 6 Commissioning 21 4 Warranty 22 5 Servicing Maintenance 23 6 Fault Finding 24 7 Spare Parts 25 8 Disposal 25 9 C...

Page 3: ... the noisy pump No tanks in the roof No ball cocks to jam or leak All your water hot and cold direct from the mains Site the Excelsior unvented water heater wherever convenient not suitable for solid fuel boilers refer to Siting the Excelsior unit in section 3 1 Excelsior Solar The Excelsior solar range is available in many vessel capacities in both direct electric or indirect models Each cylinder...

Page 4: ...alve indirect units only 2 Dimensions and Performance The diagrams on the following pages show the standard range of Excelsior vessels All dimensions are in millimeters unless otherwise stated Tolerance 10mm All unvented installations must comply with local building regulations England Wales G3 Building Regulations Scotland Technical Standard P3 Northern Ireland Building Regulation P5 Excelsior co...

Page 5: ... 2 1 Excelsior Direct and Indirect Cylinders Internal ...

Page 6: ... 2 2 Excelsior Direct and Indirect Cylinders External ...

Page 7: ... 2 3 Excelsior Solar Range ...

Page 8: ... 2 4 Excelsior Heat Pump Range ...

Page 9: ... 2 5 Excelsior Buffer Range 2 6 Excelsior Horizontal Direct Range ...

Page 10: ... 2 7 Excelsior Horizontal Indirect Range ...

Page 11: ...Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number on the Benchmark Checklist Siting the Excelsior unit Note Excelsior cylinders are designed for indoor use only The unit can be placed anywhere convenient Since it is connected directly to the mai...

Page 12: ...nly Operation of the cut out motorised valve To comply with regulations and to prevent the temperature reaching 100 C the thermal cut out supplied must be fitted The thermal cut out is wired in series to the cylinder thermostat When the thermal cut out senses an abnormal rise in temperature in the primary flow the electrical supply to the motorised valve will be cut and the valve will return to th...

Page 13: ...THEN A LARGER EXPANSION VESSEL MAY BE REQUIRED TO HANDLE THE INCREASE IN WATER VOLUME CALCULATE THE ADDITIONAL WATER VOLUME AND CONTACT OUR CUSTOMER SERVICES DEPARTMENT REGARDING SUITABLE VESSEL SIZES Figure 1 Secondary Return External Expansion Vessel where applicable This smaller tank is connected to the cold water inlet side of the vessel Mount the tank according to separate manufacturer s inst...

Page 14: ... 3 2 Recommended Installation Schematics Figure 2 Installation Schematic External Expansion Figure 3 Installation Schematic Internal Expansion ...

Page 15: ... Figure 4 Combination Valve Figure 5 Inlet Group External Expansion Figure 6 Inlet Group Internal Expansion ...

Page 16: ...T 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 SEE FIGURES 7 8 9 10 Figure 7 S Plan Wiring Diagram Figure 8 Y Plan Wiring Diagram ...

Page 17: ...nt elements can be obtained through your authorised service agent Immersion Heater Excelsior Solar 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 ...

Page 18: ...2mm copper pipe Regulations do not permit more than 3 x 90 degree bends between the Excelsior unit and the outflow Between the temperature pressure relief valve and the first 90 degree bend there must be a fall of at least 300mm The fall of the pipework must be continuous and the pipe should terminate in the gully or be bent backwards onto an outside wall in a place where discharge cannot be injur...

Page 19: ...ld terminate in a safe place where there is no risk to persons in the vicinity of the discharge Examples of acceptable discharge arrangements are To a trapped gully with the end of the pipe below a fixed grating and above the water seal Downward discharges at low level i e up to 100mm above external surfaces such as car parks hard standings grassed areas etc are acceptable providing that a wire ca...

Page 20: ... IMPORTANT THE DISCHARGE WILL CONSIST OF SCALDING WATER AND STEAM ASPHALT ROOFING FELT AND NON METALLIC RAINWATER GOODS MAY BE DAMAGED BY SUCH DISCHARGES Table 1 Sizing of copper discharge pipe D2 for common temperature pressure relief valve sizes ...

Page 21: ...courage regular servicing to optimise safety efficiency and performance Your Excelsior unvented hot water cylinder has been designed to give many years of trouble free service and is made from hygienic high grade stainless steel Where applicable it includes a 3kW electric immersion heater which heats the water to 60 C once pre heating of the solar system is completed Excelsior Solar only The flow ...

Page 22: ...omplies with current at the time of installation EU standards and is not fed with water from a private source c It had not been modified in any way d It has not been subjected to excessive pressure or electrolytic action from dissimilar materials or attack from any salt deposits e It has been installed indoors in a frost free environment f The cylinder is connected to a public water supply maintai...

Page 23: ...e engineer should complete the relevant Service Record on the Benchmark Checklist after each service Replacing air gap if lost during service internal air gap no expansion vessel 1 Turn off the mains supply to the unvented hot water cylinder 2 Open a hot water tap preferably on the same floor or the floor below where the cylinder is located 3 Operate the temperature and pressure relief valve until...

Page 24: ...ut of taps hot and cold pipes may have been connected up incorrectly Set programmer to call for hot water on demand Check boiler operation If faulty consult manufacturers instruction manual Check and re set The cause will need to be identified Check wiring and or plumbing connections to pump Check connections and have them changed if necessary Intermittent water discharge through tundish on warm u...

Page 25: ... 22mm 2 port motorised valve 951878 Twin thermostat 951879A Twin thermostat pocket pre 2009 vessels 953356 Solar sensor pocket 953356S Flexible hose 1000mm 951919 8 Disposal Disposal of packaging Those responsible for installing the cylinder are responsible for disposal of any transport packaging Observe national regulations Cylinder disposal You must not dispose of the cylinder or any of its acce...

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Page 28: ...erhardstrasse 5 45892 Gelsenkirchen Germany Tel 49 0 209 700 900 Fax 49 0 209 70090 20 Email germany fabdec com Fabdec LLC October Embankment 12 building 2 193091 Saint Petersburg Russia Tel 7 812 715 0102 or 7 921 977 5936 Email russia fabdec com fabdec excelsior Installation 03 14 GB 10 80385 Water heating systems www fabdec com ...