Herz OXFORD Скачать руководство пользователя страница 3

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Contents

1.0 General

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1.1 Description, main features and function of the Herz Oxford HIU

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1.2 Warnings

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1.3 Layout and components

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1.4 General

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2.0 Installation Instructions

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2.1 Installation

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3.0 Commissioning

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3.1 Pre-commissioning

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3.2 System filling and air venting

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3.3 Controlling the flow temperature of the domestic hot water

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3.4 Testing

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3.5 Fitting the cover

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4.0 Servicing Information

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4.1 Draining down

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4.2 Component servicing

Page 9 - 10

4.3 Fault location table

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5.0 Technical data

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5.1 Appendices

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5.1.1 Operating data

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5.1.2 Function schematic

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5.1.3 Spare parts list

Page 13 - 14

5.1.4 Water quality

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5.1.5 Dimensional Drawings

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Содержание OXFORD

Страница 1: ...nstaller or the Community Heating Maintenance Company Contents Herz Armaturen GmbH Richard Strauss Str 22 A 1230 Vienna Tel 43 0 1 616 26 31 0 Fax 43 0 1 616 26 31 27 E Mail office herz eu Herz Valves UK Ltd Progress House Moorfield Point Moorfield Road Slyfield Industrial Estate Guildford Surrey GU1 1RU Tel 01483 502211 Fax 01483 502025 E Mail sales herzvalves com www herzvalves com Issue 0916 ...

Страница 2: ...Page 2 ...

Страница 3: ...8 3 2 System filling and air venting Page 8 3 3 Controlling the flow temperature of the domestic hot water Page 8 3 4 Testing Page 8 3 5 Fitting the cover Page 8 4 0 Servicing Information Page 9 4 1 Draining down Page 9 4 2 Component servicing Page 9 10 4 3 Fault location table Page 11 5 0 Technical data Page 11 5 1 Appendices Page 11 5 1 1 Operating data Page 12 5 1 2 Function schematic Page 12 5...

Страница 4: ...e scale formation and legionella bacteria Low return temperature in the primary maximises efficiency in the system Optional heat meter with pulse output wireless operation or M Bus output Optional water meter with pulse output wireless operation or M Bus output Easy to install with minimal installation space required HIU can be installed for top or bottom pipework entry Drain valves fitted to faci...

Страница 5: ...ions and leaking water can be very hot and cause severe burns and scalds Before the start of any dismantling work the isolation valves must be closed and water drained out Out flowing water is likely to be hot and under high pressure Take appropriate precautions If a fault occurs please contact the installer Do not attempt to carry out repairs yourself Packaging The following points should be obse...

Страница 6: ...ead with contact sensor 4 Primary Flow Strainer 5 Primary Circulation Thermostatic Bypass Valve 6 Differential Pressure Control Valve 7 Optional Heat Meter or spacing piece 8 Optional Water Meter or spacing piece 9 Drain and Vent Valves 10 Primary Flow Isolation Drain Valve with test point 11 Primary Return Isolation Drain Valve with test point 12 DHW Outlet Isolation Drain Valve 13 Mains Cold Iso...

Страница 7: ...allation Drill the holes for the HIU with a suitable drill Secure the HIU to the wall using fixings suitable for the type of wall Check the ball valve connections then fit the respective pipework to the ball valves and tighten the compression connections If a flushing bypass is to be used this should be fitted to the primary flow return ball valves before the pipework is connected If the ball valv...

Страница 8: ...rom above the drain valves fitted to the ball valves will operate as air vents 3 3 Controlling the flow temperature of the domestic hot water The temperature of the DHW is controlled by the thermostatic head installed on the Pressure Temperature Control valve which is factory preset and should require no adjustment We would recommend the use of TMV3 thermostatic mixing valves on terminal units to ...

Страница 9: ...ould be replaced immediately to ensure reliable operation of the heating system Do not clean the unit with scouring or harsh cleaning agents Wipe it down with a damp cloth which has been rinsed in water with a few drops of mild detergent Domestic water Heat exchanger Routine servicing Check all connection seals check all temperatures against the commissioning data and change the heat exchanger if ...

Страница 10: ...same position on the replacement head The two pins should be fitted at either end of the green line located between positions 2 and 3 Check the temperature of the DHW as per Section 3 4 Testing Thermostatic bypass valve Routine servicing Check all connection seals remove the head check the insert for leaks and action the insert drive pin replace insert if necessary Remove valve before replacing th...

Страница 11: ...r 5 1 Appendices Operating data Function schematic Spare parts list Water quality parameter table Dimensional drawings Problems with hot water Long wait for hot water at the tap Check the bypass circuit Check the primary heating circuit Pressure temperature controller is leaking Replace the Pressure temperature controller Pressure temperature controller sticks Replace the Pressure temperature cont...

Страница 12: ...e PT controller 2 Description Data Height 490mm with ball valve cover 600mm Height with heat meter display 737mm Width 400mm Depth 160mm Total unit weight 13 7kg Total unit weight with cover 17 7kg with ball valve cover 18 8kg Maximum DHW output 55kW 20 l min 42kW 15 l min Maximum primary supply temperature 90 C Maximum DHW temperature 55 C Minimum DP 30kPa Maximum working pressure primary side 10...

Страница 13: ...Page 13 5 1 3 Spare Parts List 9 7 11 13 10 8 5 6 1 14 2 10 12 3 4 ...

Страница 14: ...sure Temperature Control valve 1400800 1402046 1402047 2 of each 3 Thermostatic Head with contact sensor 1401965 3 Contact Sensor connection sealing nut 1401898 4 Strainer mesh 1401897 5 Primary Circulation Bypass Valve 1774691 1639091 1402045 1300101 2 of each 6 Return Temperature Limiter 1920102 7 Differential Pressure Control Valve 1400259 1402045 2 8 Optional Heat Meter 1402267 1402045 2 8 Hea...

Страница 15: ...Page 15 5 1 5 Dimensional Drawings Bottom entry version Top entry version ...

Страница 16: ...ht to modify and change products as well as its technical specifications and or it functioning according to technological progress and requirements It is understood that all images of Herz products are symbolic representations and therefore may visually differ from the actual product Colours may differ due to printing technology used In case of any further questions don t hesitate to contact HERZ ...

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