THERMAL INTEGRATION DATA Extra HIU, Installation Instructions Manual

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

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

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

Page 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...

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

Page 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...

Page 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...