Ariston EP 10 OR 3KW Manual Download | Manualshive

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Unvented water heater

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Summary of Contents for EP 10 OR 3KW

Page 1: ...Unvented water heater ...

Page 2: ......

Page 3: ...tres Current A Tension V Power W Immersion Heater Length mm Immersion Heater Type Immersion Heater Refernce Number Pressure max T P valve setting Weight with water Moisture protection EP 10 UR 2 KW EP 10 UR 3KW EP 10 OR 3KW EP 15 UR 2 KW EP 15 UR 3KW EP 15 OR 3KW EP 30 R 3 KW WRAS WRAS WRc 10 10 15 15 30 8 7 13 6 bar 12 bar with pressure reducing valve n a 90 C 7bar 16 kg 18 kg 22 kg 24 kg 45 kg D...

Page 4: ...are used to convey water Building Regulations These are a statutory document and take priority over all other regulations and recommendations The installation of an unvented hot water system of over 15 litres is classified as a Controlled Service and Regulation G3 applies To meet the requirements of the regulation installation of an unvented system should be undertaken by a competent installer All...

Page 5: ...ped to heat the water at the bottom of the tank The inlet pipe needs to deliver cold water to the bottom of the tank and the hot water outlet draws water from the top of the tank When water is heated it expands in a small unvented water heater of this type the expansion can normally be accommodated back into the cold water mains not model EP 30 R 3KW Where this is not possible the installer will n...

Page 6: ...essure relief valve pressure relief valve must not be for any other purpose Take great care not to allow any swarf into the pipe work or fittings as this might impair the operation of the safety valve s The water connection may be carried out as per the following 1 Using the feed pipe to accommodate expansion Schedule 2 Section 6 Paragraph 15 of the Water Supply Water Fittings Regulations 1999 and...

Page 7: ...should be installed Dielectric junctions Hot Cold Pressure relief valve 6 bar Nearest cold water draw off Pressure reducing valve set at 3 5 bar Isolating valve fixed jumper or 1 4 turn ball type Cold water mains Expansion vessel charge at set 3 5 bar Non return valve Supply to other parts of plumbing system Discharge Fig 2 EP 10 15 Dielectric junctions Hot Cold Pressure relief valve 6 bar Dischar...

Page 8: ...nd must be located with the cylinder The tundish must also be in a position visible to the occupants and positioned away from any electrical devices The discharge pipe from the tundish should terminate in a safe place where there is no risk to persons in the vicinity of the discharge and to be of metal 2 Discharge pipes from the temperature pressure relief and pressure relief valve may be joined t...

Page 9: ...e number served should be limited to not more than 6 systems so that any installation can be traced reasonably easily The single common discharge pipe should be at least one pipe size large than the largest individual discharge pipe to be connected If unvented hot water storage systems are installed where discharges from safety devices may not be apparent i e in dwellings occupied by the blind inf...

Page 10: ...ING The appliance must be earthed The electrical installation must be in line with the current I E E wiring regulations A mains supply of 240 VAC 3 kW 13 amps is required Fig 5 6 Heat resisting cable round 3 core 1 5 mm to BS 6141 table 8 should be used to connect to the electrical supply through either a 13 amp socket to BS 1363 or a double pole fused isolating switch with a contact separation of...

Page 11: ... follows Brown live Blue neutral Green and yellow earth To enter into the terminal compartment unscrew the 4 screws on the cover Fig 5 EP 30 R 3KW wiring diagram L N E THERMAL CUT OUT THERMOSTAT NEON HEATING ELEMENT 9 Fig 6 EP 10 15 wiring diagram HEATING ELEMENT THERMAL CUT OUT THERMOSTAT L N E NEON L1 L2 BIPOLAR SWITCH ...

Page 12: ...witch on electricity and set thermostat to at 60 C to reduce the build up of scale in hard water areas Check the water heats up Check that warning to user label is secure and visible on the heater and related warning labels are fitted to the controls Demonstrate operation to user including operation of safety valve s and what to do if it they operate s Give this handbook to the user and discuss fu...

Page 13: ... necessary Temperature pressure relief valve with the water supply turned on check manually by lifting the test lever turning the test knob ensure valve closes after testing Expansion relief valve check manually by turning the test knob ensure valve closes after testing Discharge pipes D1 from both temperature pressure relief and expansion relief valve for obstructions Tundish discharge pipe D2 op...

Page 14: ...sion vessel has been fitted the charge may have failed 4 No hot water Cause Thermal cut out has operated The heating element has burnt out The thermostat is faulty 5 Milky water Cause This is a result of heavily limed and oxygenated water being heated This is harmless and the cause is the water and not the heater 6 No water at all Cause Valve incorrectly fitted Debris in the mains Mains water supp...

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Page 16: ...31 Telex 560160 http www mtsgroup com Commercial subsidiary MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Internet http www mtsgb ltd uk E mail info mtsgb ltd uk Technical Service Hot Line 0870 241 8180 MTS MAKES USE OF RECYCLED PAPER cod 1203 Litograf s r l Jesi ...

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