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The DATA Extra HIU, Installation Instructions DE2, 12th August 2021

Installation Set-up

Stage 1 - Removing the front cover

The front cover can be removed by extracting the 4 screws, one in each corner of the front cover. It is support by the top flange, so can
simply be lifted off using the handles provided.

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Содержание DATA Extra HIU

Страница 1: ...The DATA Extra HIU Installation Instructions DE2 12 08 2021 The DATA Extra HIU Installation Instructions DE2...

Страница 2: ...eration 10 Adjusting Settings 11 Factory Settings 12 General Plumbing Requiremenrts 13 General Wiring Requirements 14 HIU Schematic 15 Installation Schematic 16 Wiring Schematic 17 Important Installat...

Страница 3: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Explanation of symbols and abbreviations Symbols Abbreviations Page 3...

Страница 4: ...hite steel enclosure designed to keep the overall footprint of the HIU to an absolute minimum If required the expansion vessel safety relief valve filling loop and pump are mounted external to the cas...

Страница 5: ...w Temperature Sensor 70HSF51862 8 Primary Return Temperature Sensor 70HSF51862 9 CH Flow Temperature Sensor 70HSF51862 10 Manual Air Vent N A 11 Heat Meter Flow Temperature Sensor N A 12 DHW Plate Hea...

Страница 6: ...rol valve to balance differential pressures between the primary flow and return Only required where the differential pressure exceeds 250kPa Max 450kPa Flushing Bypass for connecting to the primary fl...

Страница 7: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Dimensions Page 7...

Страница 8: ...nge 35 C to 55 C CH Limit Range 30 C to 80 C Central heating heat exchanger CH B25TH30 Pressure class CH circuit 3 bar safety valve PN16 CH working pressure N A By Installer Nominal pump pressure 20 k...

Страница 9: ...area The unit must not be exposed to direct sunlight Ambient temperature should be between 5 C and 40 C Humidity should be between 10 and 85 The unit must be connected to a fused double pole isolator...

Страница 10: ...c hot water keep hot modes Eco or Comfort mode These can only be selected during commissioning or by a trained engineer Eco mode can be specified to run for 0 minutes which turns the feature off all t...

Страница 11: ...iHIU Controller is a miniature Linux web server that can be supplied separately to provide more advanced control and monitoring of the Data HIU The controller is typically mounted within the casing o...

Страница 12: ...rn Temperature Limit 30 55C 55C CH Control Valve Pre set 10 100 100 If the Return Temperature Monitoring function is set to Off the Return Temperature Limit is irrelevant Multi Stage DHW Priority If D...

Страница 13: ...t is located The appliance must be installed in accordance with and comply to the current IEE Regulations Building Regulations Building Standards Scotland Consolidation Building Regulations Northern I...

Страница 14: ...ce BS7074 1 Code of practice for domestic and hot water supply EN12828 Central heating for domestic premises BS7593 Treatment of water in domestic hot water central heating systems ECTI National rules...

Страница 15: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 HIU Schematic Page 15...

Страница 16: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Installation Schematic NOTE The below schematic shows the HIU fitted with a CH pump however this is an optional extra Page 16...

Страница 17: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Wiring Schematic Page 17...

Страница 18: ...eating system must be equipped with a WRAS approved over pressure safety relief valve rated to 3 bar fitted between the HIU and any isolation valve on the heating circuit 4 A heating control valve mus...

Страница 19: ...in any isolation valves Applying valves to the system can cause the pump to overheat due to insufficient flow Keep the following conditions in mind during installation Maximum pressure supplied by the...

Страница 20: ...s Check the primary and central heating strainer for debris and clean if necessary Check valves for debris and clean if necessary Check the unit operates satisfactorily in domestic hot water and centr...

Страница 21: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 DHW Performance DHW Performance Table Page 21...

Страница 22: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 DHW Power Chart for 10 55C Primary Return Temperatures for 10 55C Page 22...

Страница 23: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Primary Flow Rates for 10 55C Primary Pressure Drop for 10 55C Page 23...

Страница 24: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Domestic Hot Water Pressure Drop for 10 55C Page 24...

Страница 25: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Central Heating Temperature Curves Primary Return Temperature Primary Flow Rate CH Page 25...

Страница 26: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Secondary Flow Rate CH Pressure Drops Page 26...

Страница 27: ...ugust 2021 Installation Set up Stage 1 Removing the front cover The front cover can be removed by extracting the 4 screws one in each corner of the front cover It is support by the top flange so can s...

Страница 28: ...e 2 Mounting the HIU The casing is mounted directly to the wall using the 4 keyhole slots punched into the back panel It is important to use the correct fixings for the wall construction and to ensure...

Страница 29: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Stage 3 Pipe Connections Page 29...

Страница 30: ...t meter body itself 3 Loosen and extract the heat meter sensor from the primary flow pipe 4 If there is an MBus cable connecting to the heat meter this will need to be disconnected from the incoming M...

Страница 31: ...but do not remove this cap 2 If necessary the venting function of the pump can also be used to aid bleeding see chapter Setting the pump 3 Continue venting the entire central heating system and the H...

Страница 32: ...turn valve and check for leakage 8 Fully open all thermostatic radiator valves in the property 9 Bleed the central heating system Start at the lowest and finish at the highest radiator or venting poin...

Страница 33: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Page 33...

Страница 34: ...allation Instructions DE2 12th August 2021 Stage 8 Re fitting the front cover The front cover is fitted by locating the top flange first and then rotating the bottom of the cover down to line up with...

Страница 35: ...e heat exchanger Adjustments can be carried out while the system is in use and without the need for any tools Reducing the Primary flow rate will reduce the temperature of the water flowing into the c...

Страница 36: ...ough a small hole in the case of the unit and has 5 possible modes as follows Green blinking slow Standby condition Blue blinking Domestic Hot Water Mode Tap draw off Red blinking Error White continuo...

Страница 37: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Page 37...

Страница 38: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Page 38...

Страница 39: ...eat 4 Check the programmer is set to ON and calling for heat 5 Set the room thermostat higher 6 Problem solved If not contact your engineer No domestic hot water 1 Check that the mains cold water valv...

Страница 40: ...The DATA Extra HIU Installation Instructions DE2 12th August 2021 Troubleshooting for Technicians Page 40...

Страница 41: ...nce with the installation instructions c The installer must complete the commissioning checklist in full at the time the HIU is installed This checklist must be returned to Thermal Integration within...

Страница 42: ...egration offer commissioning services across the UK The service includes a The fulfilment of the defined commissioning instructions b Completion and return of site wide commissioning paperwork c Recti...

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