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Control Module Setting and Description
a) Input Signal
Input Signal
Description
Type of control
IN_1
Flow switch
NC
IN_2
Cooling low pressure #1
NC
IN_3
High pressure #1
NC
IN_4
Compressor #1 overload
NC
IN_5
Heating low pressure #1
NC
IN_6
Power supply or phase failure
NC
IN_7
Cooling low pressure #2
NC
IN_8
High pressure #2
NC
IN_9
Compressor #2 overload
NC
IN_10
Heating low pressure #2
NC
IN_11
External interlock
NC
IN_12
Remote ON/OFF
Close = ON; Open = OFF
TH1
Outdoor Coil temperature 1
NTC
TH2
Outdoor Coil temperature 2
NTC
TH3
Chiller leaving water temperature #1
NTC
TH4
Chiller leaving water temperature #2
NTC
TH5
System leaving water temperature
NTC
TH6
System entering water temperature
NTC
TH7
Ambient temperature
NTC
b) Output Signal
Output Signal
Description
OUT1
Water pump
OUT2
Condenser fan #1
OUT3
Liquid valve #1
OUT4
Compressor #1
OUT5
4 way valve #1
OUT6
Auxiliary heater
OUT7
Condenser fan #2
OUT8
Liquid valve #2
OUT9
Compressor #2
OUT10
4 way valve #2
OUT11
Operation indicator
AL_IN
AL_OUT
External alarm
c) Address Setting (DIP S1.1 - S1.4)
S1.1
S1.2
S1.3
S1.4
Add
OFF
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
3
ON
ON
OFF
OFF
4
OFF
OFF
ON
OFF
5
ON
OFF
ON
OFF
6
OFF
ON
ON
OFF
7
ON
ON
ON
OFF
8
OFF
OFF
OFF
ON
9
ON
OFF
OFF
ON
10
OFF
ON
OFF
ON
11
ON
ON
OFF
ON
12
d) Chiller Setting (DIP S2.5 – S2.8)
S2.5
S2.6
S2.7
S2.8
Model
OFF
ON
OFF
OFF
FCA201EC/EH/ECA both individual and group control.
ON
ON
OFF
OFF
FCA201NC/NH both individual and group control.
OFF
OFF
OFF
OFF
FCA201FH both individual and group control.
OFF
ON
ON
OFF
FCA301EC/EH individual control only.
OFF
ON
OFF
OFF
FCA301EC/EH group control (Master/Slave).
ON
ON
ON
OFF
FCA301NC/NH individual control only.
ON
ON
OFF
OFF
FCA301NC/NH group control (Master/Slave).
