C0240111-04-05-GB
“B” WATER-WATER UNIT
Digital inputs
ID1 Circuit 1 high pressure switch
ID2 Circuit 2 high pressure switch
ID3 Remote on/off
ID4 Remote Summer/Winter
ID5 Evaporator flow switch
ID6 Circuit 1 low pressure switch
ID7 Circuit 2 low pressure switch
ID8 Compressor 1 thermal protection
ID9 Compressor 2 thermal protection
ID10 Pump 1 thermal protection
ID11
Phase sequence
ID13 General enable
ID14 Pump 2 thermal protection
Compressors enable
Analogue inputs
B1 Circuit 1 high pressure transducer
B2 Circuit 2 high pressure transducer
B3 Evaporator inlet water temperature
B4 Evaporator outlet 1 water temperature
B5 Evaporator outlet 2 water temperature
B6 Condenser outlet water temperature
B7 Outlet 2 water temp. / cond. inlet
B8 Setpoint variation (4-20mA)
Digital outputs
NC1 Evaporator antifreeze heating element
NO2 Cycle reversal valve
NO3
NO4
NO5 Pump 1
NO6 Compressor 1
NO7 Compressor 2
NO8 General alarms cumulative
NO9 Pump 2
NO11
NO12
Analogue outputs
Y1 Condensation adjustment (PUM)
Y2
ID12
ID15
NO10
90