Installation Instructions for the Data Split HIU
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Introduction
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1 Insulating Casing 2 Electronics 24 V (Pt. 70HSF53051) 3 Status LED 4 Heat Exchanger (CH) 5 CH primary return temperature sensor (Pt. 70HSF53052) 6 Automatic Air Vent 7 Electronics 230 V (Pt. 70HSF53051) 8 Central heating control valve (Pt. No. 70HSF51495) 9 DHW primary return temperature sensor (Pt. 70HSF52727) 10 DHW control valve (Pt. 70HSF51495) 11 Flow sensor (Pt. 70HSF50274) 12 Heat exchanger (DHW) |
13 Heat meter sensor pocket 14 Spare sensor pocket (for DPCV) 15 Heat meter spool piece 16 Primary strainer (Pt. 70HSF51891) 17 CH pump (Pt. 70HSF53063) 18 Temperature/pressure sensor CH supply (Pt. 70HSF53056) 19 Spare spool piece (for DPCV or Landlord Security Valve) 20 DHW flow temperature sensor (Pt. 70HSF52727) 21 CH strainer (Pt. 70HSF51890) 22 Primary flow temperature sensor (Pt. 70HSF52727) |