Daikin EWWD750CJYNN [10/28] Digital outputs n compressor 1 compressor 2 compressor 3 compressor 4

Daikin EWWD480CJYNN [10/28] Digital outputs n compressor 1 compressor 2 compressor 3 compressor 4
10
Digital outputs
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1 Evaporator pump
2 Compressor start Compressor start Compressor start Compressor start
3 Fourth step fan Fourth step fan Fourth step fan Fourth step fan
4 Fifth step fan Fifth step fan Fifth step fan Fifth step fan
5 Liquid line Liquid line Liquid line Liquid line
6 Compressor load Compressor load Compressor load Compressor load
7 Compressor unload Compressor unload Compressor unload Compressor unload
8 Third step fan Third step fan Third step fan Third step fan
9 Liquid injection Liquid injection Liquid injection Liquid injection
10 Antifreeze heater
11 Compressor #1 and Unit
alarm
Compressor #2 alarm Compressor #3 alarm Compressor #4 alarm
12 First step fan First step fan First step fan First step fan
13 Second step fan Second step fan Second step fan Second step fan
Analogue outputs
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1
Fan speed control output Fan speed control output Fan speed control output Fan speed control output
2
2
nd
Fan speed control
output
2
nd
Fan speed control
output
2
nd
Fan speed control
output
2
nd
Fan speed control
output
4.2 Water-cooled heat pump or pursuit (Unit config. 01 or 02)
Digital inputs
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1 Local On/Off Local On/Off Local On/Off Local On/Off
2 Evaporator flow switch
3 Remote On/Off
4 High discharge
temperature
High discharge
temperature
High discharge
temperature
High discharge
temperature
5 Low pressure switch Low pressure switch Low pressure switch Low pressure switch
6 External alarm
7 Phase monitor (unit or
comp. #1)
Comp. #2 phase monitor Comp. #3 phase monitor Comp. #4 phase monitor
8 Enable double setpoint
9 Cooling/heating switch
10 Failed transition start Failed transition start Failed transition start Failed transition start
11 High pressure switch High pressure switch High pressure switch High pressure switch
12 Compressor overload Compressor overload Compressor overload Compressor overload
Analogue inputs
N COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3 COMPRESSOR 4
1 Evaporator inlet water
temperature
2 Evaporator water outlet
temperature (or common
evap outlet temp for units
with 2 evaporators)
Evaporator 1 water outlet
temperature
Evaporator 2 water outlet
temperature (for units with
2 evaporators)
3 Setpoint change Limitation of unit load
4 Compressor discharge
temperature
Compressor discharge
temperature
Compressor discharge
temperature
Compressor discharge
temperature
5 Cooling return water
temperature
6 Compressor load Compressor load Compressor load Compressor load
7 Condensation pressure Condensation pressure Condensation pressure Condensation pressure
8 Oil pressure Oil pressure Oil pressure Oil pressure

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