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C0240111-04-05-GB
“L” HARDWARE:
a ) for hermetic compressors:
WATER-AIR UNIT with “L” axial fans
WATER-AIR UNIT with “L” centrifuge fans
Digital inputs
ID1 Circuit 1 low pressure switch
ID2 Compressor 1 thermal protection
ID3 Compressor 2 thermal protection
Circuit 2 low pressure switch
ID5 Compressor 3 thermal protection
ID6 Compressor 4 thermal protection
ID7 Circuit 1 fan thermal protection
ID8 Circuit 2 fan thermal protection
ID9 Evaporator flow switch
Remote on/off
ID11 Pump 1 thermal protection
ID12 Pump 2 thermal protection
ID13 Circuit 1 high pressure switch
ID14 Circuit 2 high pressure switch
ID15 Phase sequence
ID16 General enable
ID17 Compressors enable
ID18 Remote Summer/Winter
Analogue inputs
B1 Circuit 1 high pressure transducer
B2 Evap. outlet water temperature (blend)
B3 Evaporator inlet water temperature
B4 Evap. 1 outlet water temperature
B5 Evap. 2 outlet water temperature
B6 Circuit 2 high pressure transducer
B7 External air temperature
B8 Setpoint variation (4-20mA 0.0-10V)
B9
B10 Dual setpoint
Digital outputs
NO1 Circuit 1 cycle reversal valve
NO2 Circuit 2 cycle reversal valve
NO3 Solenoid valve 1
NO4 Solenoid valve 2
NO5 Pump 1
NO6 Pump 2
NO7 Compressor 1
NO8 Compressor 2
NO9 Ventilation step 1 circuit 1
NO10 Ventilation step 2 circuit 1
NO11 Ventilation step 3 circuit 1
NO12 Evaporator antifreeze heating element
NO13 General alarms cumulative
NO14 Compressor 3
Compressor 4
NO16 Ventilation step 1 circuit 2
NO17 Ventilation step 2 circuit 2
NO18 Ventilation step 3 circuit 2
Analogue outputs
Y1 Circuit 1 speed adjustment
Y2 Circuit 2 speed adjustment
Y4
Y5
Y6
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
Fans thermal relay
ID8
ID9 Evaporator flow switch
Remote on/off
ID11 Pump 1 thermal protection
ID12 Pump 2 thermal protection
ID13 Circuit 1 high pressure switch
ID14 Circuit 2 high pressure switch
ID15 Phase sequence
ID16 General enable
ID17 Compressors enable
ID18 Remote Summer/Winter
B1 Circuit 1 high pressure transducer
B2 Evap. outlet water temperature (blend)
B3 Evaporator inlet water temperature
B4 Evap. 1 outlet water temperature
B5 Evap. 2 outlet water temperature
B6 Circuit 2 high pressure transducer
B7 External air temperature
B8 Setpoint variation (4-20mA 0.0-10V)
B9
B10 Dual setpoint
Digital outputs
NO1 Circuit 1 cycle reversal valve
NO2 Circuit 2 cycle reversal valve
NO3 Solenoid valve 1
NO4 Solenoid valve 2
NO5 Pump 1
NO6 Pump 2
NO7 Compressor 1
NO8 Compressor 2
NO9 Main ventilation step
NO11
NO12 Evaporator antifreeze heating element
NO13 General alarms cumulative
NO14 Compressor 3
NO15 Compressor 4
NO16 Ventilation step 1
NO17 Ventilation step 2
Ventilation step 3
Analogue outputs
Speed adjustment
Y2
Y3
Y4
Y5
Y6
ID4
ID7
ID10
ID10
Analogue inputs
NO10
NO15
NO18
Y1
Y3
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