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ENG 1.3.1 “Type 1” unit: Water/water, Heating + DHW Fig. 1.c Analogue inputs No. Description B1 Ground source circuit outlet temperature B2 Ground source circuit return temperature B3 DHW control temperature B4 Mixed circuit outlet temperature B5 System return temperature Analogue inputs via Modbus RS485 No. Description Sn.B1 Outside temperature probe Sn.B2 Outside humidity probe Up to 6 rooms from Clima +030220741 Smart HP – rel 2.2 -12/11/2013 Digital inputs No. Description ID1 Flow switch, ground source well side Comp. 1 overload alarm/Comp. inverter ID2 alarm ID3 High pressure switch ID4 Low pressure switch ID5 Unit/system pump overload ID6 DHW storage heater overload ID7 Integration boiler/heater alarm ID8 Remote On-Off 10 Analogue outputs No. Description Y1 Y2 Modulating ground source pump Y3 System 3-way valve Y4 Comp inverter Digital outputs No. Description NO1 Compressor 1 NO2 Ground source pump NO3 Primary circuit pump NO4 DHW/system switching valve NO5 Mixed circuit pump NO6 System integ. boiler/heater NO7 DHW storage integ. boiler/heater NO8 General alarm
