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Wiring Diagram
Model: FCA 201 EC/NC (Single / Master)
FCA201EC FCA201NC
Symbol
Description
Symbol
Description
Compressor
Fan motor
Power indicator
Contactor
Phase protector
Fuse
High pressure switch
Low pressure switch
Overload protection
Main switch
W
ater flow switch
Discharge temperature switch
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor Module entering water temperature sensor
Module leaving water temperature sensor
Circuit 2 condenser temperature sensor
Circuit 1 condenser temperature sensor
To next module
Remove ON/OFF
GND
12V
A
B
External interlock
Operation indicator
External alarm
Transformer
Last module close
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25mm
2
, A
& B must be same polarity
.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only
.
5. For individual control (single unit), jumper JP1 CLOSE.
NOTE:
Jumper setting
Overload protection setting
DIP
switch setting
DIP
S2
FCA201EC FCA201NC
S2.5
S2.6
S2.7
S2.8
DIP
switch setting
DIP
S2
S2.5
S2.6
S2.7
S2.8
DIP
switch setting
DIP
S2
S2.5
S2.6
S2.7
S2.8
