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Table of Contents
Related Manuals for Ariston EP 10 UR 2 KW
Summary of Contents for Ariston EP 10 UR 2 KW
- Page 1 Unvented water heater...
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Page 3: Description Of Water Heater
Description of water heater 1)Hot water outlet 2)Temperature and pressure relief valve (30 litre only) 3)Cold water inlet 4)Control cover 5)Regulation knob 6)Heating neon Over-sink (EP 10/15 OR) Over-sink (EP 30 R 3KW) Under-sink (EP 10/15 UR) Technical data MODEL EP 10 UR EP 15 UR EP 10 UR 3KW... -
Page 4: Building Regulations
User instructions PLEASE KEEP THIS BOOKLET FOR FUTURE REFERENCE The heater is insulated to a high standard therefore it may be left on all the time. The temperature of the water may be adjusted by turning the knob on the front of the heater, allow half an hour for the temperature to stabilise between settings. -
Page 5: Siting & Fixing
How the heater works The heating element is controlled by a thermostat which senses the water temperature. The operating temperature can be adjusted by the regulation knob on the front of the heater. In addition to the thermostat there is a thermal cut-out which is set to switch off the power to the element if the thermostat fails and the water temperature rises too high. -
Page 6: Plumbing
Access to the heater is not normally needed on a day-to-day basis, but 300mm clearance to the front of the water heater sould be kept for servicing and maintenance A cold water supply pressure between 1 and 5.5 bar is required (if the mains pressure is above 5.5 bar a pressure reducing valve will need to be installed). - Page 7 Using a set of expansion controls (Fig. 2 & 3). Fig.. 2 EP 10/15 Expansion vessel (charge at set 3.5 bar) Nearest cold water Pressure relief valve Pressure reducing valve draw-off (6 bar) (set at 3.5 bar) Isolating valve (fixed jumper or 1/4 turn ball type) Dielectric junctions...
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Page 8: Discharge Pipe Work
The EP 30 R 3KW is covered under the Building Regulations and therefore it is not possible to accommodate the expansion water within the system pipe work and consequently a set of expansion controls must be installed. Note: The discharge from relief valves must be made in a safe and conspicuous manner;... - Page 9 be clear visibility at one or other of these locations. Examples of acceptance are: i) Ideally below a fixed grating and above the water seal in a trapped gully. ii) Downward discharges at a low level; i.e. up to 100 mm above external surfaces such as car parks, hard standings, grassed areas etc.
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Page 10: Electrical Warning
Table 2 Sizing of copper discharge pipe “D2” for common temperature valve outlets. Valve outlet size Minimum size of Minimum size of Maximum Resistance created discharge pipe D1* discharge pipe D2* resistance allowed, by each elbow or from tundish expressed as a bend length of pipe (i.e. - Page 11 the foam insulation, the entrance to this tube is on the right hand side at the bottom. Flexible cables are colour coded as follows: Brown..........live Blue..........neutral Green and yellow......earth THERMAL CUT-OUT THERMOSTAT HEATING ELEMENT NEON Fig..5 EP 30 R 3KW wiring diagram THERMAL CUT-OUT THERMOSTAT...
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Page 12: Maintenance
e) COMMISSIONING - Check that all the necessary components are supplied and for those not factory fitted, that they are the type recommended by the manufacturer for the particular water heater. - Check that the water heater/components are undamaged. - Check that the discharge pipe is plumbed so that it falls continuously and that no taps, valves or other shut-off devices are installed in the pipe. -
Page 13: Troubleshooting
i) for under-sink models (EP 10 UR - EP 15 UR) disconnect pipes and removed the heater from the wall. ii) for over-sink models (EP 10 OR - EP 15 OR - EP 30 R 3KW) undo the cold water supply pipe and open a hot water tap. The heating element may be removed (after taking out the thermostat phials on model EP 30 R 3KW) by undoing the M6 nut. - Page 14 3)Dripping while unit heating. Cause: Not enough pipe work for expansion; or stop-cock, non-return valve or pressure reducing valve has been fitted within the distance required for expansion (see page 5, Fig.3). If an expansion vessel has been fitted, the charge may have failed. 4)No hot water.
- Page 16 MTS MAKES USE OF RECYCLED PAPER Manufactured by: Commercial subsidiary: MTS (GB) LIMITED Merloni TermoSanitari SpA MTS Building Viale Aristide Merloni, 45 Hughenden Avenue 60044 Fabriano (AN) High Wycombe Italy Bucks HP13 5FT Tel. + 39 0732 6011 Telefax. + 39 0732 602331 Telephone: (01494) 755600 Telex 560160 Fax: (01494) 459775...
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Questions and answers
where is the thermal cut out on EP 10 ur 2
The thermal cut-out on the Ariston EP 10 UR 2 KW is located behind the front cover, which can be accessed by unscrewing the 4 screws on the front.
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What fuse does it need for the electrical supply