System information

C0240111-06-07-GB
70
“L” WATER-WATER UNIT “L”
Digital inputs
ID1 Circuit 1 low pressure switch
ID2 Compressor 1 thermal protection
ID3 Compressor 2 thermal protection
ID4 Circuit 2 low pressure switch
ID5 Compressor 3 thermal protection
ID6 Compressor 4 thermal protection
ID7
Condenser flow switch (units with freon-side
reversal only)
ID8
ID9 Evaporator flow switch
ID10 Remote on/off
ID11 Pump 1 thermal switch
ID12 Pump 2 thermal switch
ID13 Circuit 1 high pressure switch
ID14 Circuit 2 high pressure switch
ID15 Phase sequence
ID16 System pressure control
ID17 Demand limit
ID18 Chiller/Heat pump from external contact
Analogue inputs
B1 Circuit 1 high pressure transducer
B2 Evap. outlet water temperature (blend)
B3 Evaporator inlet water temperature
B4 Evap. outlet water temperature 1
B5 Evap. outlet water temperature 2
B6 Circuit 2 high pressure transducer
B7 Outlet 2 water temp. / cond. inlet
B8 Setpoint var. from ext. signal (4-20mA.0-10V)
B9 Condenser outlet water temperature
B10 Dual setpoint from external contact
Digital outputs
NO1
Unit operating mode: Chiller - Heat pump /
Circuit 1 cycle reversal valve (units with freon-
side reversal only)
NO2
Circuit 2 cycle reversal valve (units with freon-
side reversal only)
NO3 Solenoid valve 1
NO4 Solenoid valve 2
NO5 Pump 1
NO6 Pump 2
NO7 Compressor 1
NO8 Compressor 2
NO9
NO10
NO11
NO12 Evaporator antifreeze heating element
NO13 General alarms cumulative
NO14 Compressor 3
NO15 Compressor 4
NO16
NO17
NO18
Analogue outputs
Y1 Condensation adjustment
Y2
Y3
Y4
Y5
Y6