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