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TECHNICAL AND INSTALLATION MANUAL

HOT WATER

CAPACITY

120 - 380 LITRES

BY

OSO HOTWATER (UK) LIMITED

This manual gives detailed advice for installation and should be read
carefully prior to fitting the OSO Dualstream. Where components are
supplied only for indirect units, this is clearly shown.

The OSO Dualstream must be installed by a competent person and in
accordance with current Building Regulations including Guidance
Document G3.

Drawings on pages 1-18 show
22mm valves on cold water supply.
For 28mm see page 19.

IM/OD/1

Содержание Dualstream

Страница 1: ...read carefully prior to fitting the OSO Dualstream Where components are supplied only for indirect units this is clearly shown The OSO Dualstream must be installed by a competent person and in accord...

Страница 2: ...8 3 2 1 Cylinder 8 3 2 2 Accumulator 8 3 2 3 Pipes 8 3 2 4 Electrics 8 3 3 Wiring 9 3 3 1 Immersion Heater 9 3 3 2 Wiring Layout S Plan 10 3 3 3 Wiring Layout Y Plan 11 INSTALLATION 4 4 1 Building Con...

Страница 3: ...ngs 4 One two port motorised valve for connection to heating system flow to cylinder Indirect only 5 The OSO Dualstream is supplied with an adjustable pressure reducing valve This means pressure to al...

Страница 4: ...Type 19608 100 86 440 890 Weight Full Kg Hot Water Storage Capacity L Cylinder Type 20 R 120 120 160 580 720 20 R 150 150 190 580 900 20 R 200 200 250 580 1150 Weight Full Kg Diameter Height Diameter...

Страница 5: ...Heater When the hot water is heated by the electric Immersion Heater the temperature of the hot water at the taps is controlled by the Immersion Heater Thermostat This is located under the electrical...

Страница 6: ...do not present any known hazard However always observe the following recommendations 1 Avoid inhalation of fibres or dust wear face mask 2 Avoid eye contamination by fibres or dust wear eye protectio...

Страница 7: ...erheating see fig 2 2a To reset the system after overheating allow time for the water to cool or run off some hot water then remove the electrical box cover and press the High Limit Thermostat manual...

Страница 8: ...unted on the cylinder In the event of the pressure within the system becoming too high the Expansion Relief Valve will open venting the pressure A tundish will be fitted in the system this should be l...

Страница 9: ...vented Cylinder 3 Cylinder Thermostat Indirect 4 Immersion Heater Thermostat 5 Immersion Heater 6 Expansion Relief Valve 7 Pressure Reducing Valve 9 Pressure Relief Valve Temperature Relief Valve 10 T...

Страница 10: ...city supply before any adjustments are made IMPORTANT 1 WATER IN BEFORE POWER ON 2 All internal wiring is factory mounted Please do not touch 3 Regulations require competent person 4 Check wiring is i...

Страница 11: ...10 TECHNICAL INFORMATION 3 3 3 2 S Plan Wiring Layout Indirect only For Other Boilers Refer To Boiler Manufacture Immersion Heater Thermostat Left Hand CylinderThermostat Right Hand...

Страница 12: ...11 TECHNICAL INFORMATION 3 3 3 3 Y Plan Wiring Layout Indirect only For Other Boilers Refer To Boiler Manufacture Immersion Heater Thermostat Left Hand Cylinder Thermostat Right Hand...

Страница 13: ...to frost i e in an outhouse or garage adequate frost protection must be provided this should include an overriding frost stat wired so that the system is heated in the event of low temperature The flo...

Страница 14: ...rd to property or people especially children Refer to Building Regulations G3 Downward discharges at low level i e up to 100mm above external surfaces such as car parks hard standings grassed areas et...

Страница 15: ...ipe runs then flush thoroughly before connecting to the OSO Dualstream components Due to vibration in transport it will be necessary to check for leaks after filling and pressurising system 4 2 8 OSO...

Страница 16: ...aste 15 Test the operation of the Expansion Relief Valve by turning the Blue Cap to the left and ensure that the water flows freely and safely to waste 16 Set Cylinder Thermostat at required temperatu...

Страница 17: ...d tap to empty the accumulator 13 Check Accumulator pressure is 1 1 5Bar below the set pressure of pressure reducing valve 14 Check the system for leaks including accumulator and around the Immersion...

Страница 18: ...e Pressure Reducing Valve 3 4 510508 1 300129 Combined 5550803 219002 1 225002 1 102207 3 4 510505 Check valve Expansion relief valve Temperature and Pressure Relief Valve Tundish Hot Water Shut Off V...

Страница 19: ...offering flexibility in installation 18 Hot Supply Option A 7 12 6 10 A J B 3 14 5 4 9 2 1 Accumulator Cold Water Storage 2 Unvented Cylinder 3 Cylinder Thermostat Indirect 4 Immersion Heater Thermos...

Страница 20: ...g from beneath accumulator 5 Water condensation running down accumulator 6 Noise from accumulator when filling water hammer noise CHECK Line Strainer Isolation valves fully open No check valves online...

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