Page 9
Model: FCA 201 EC/NC (Slave)
Module entering water temperature sensor
Module leaving water temperature sensor
Circuit 2 condenser temperature sensor
Circuit 1 condenser temperature sensor
To next module
From previous
module
GND
12V
A
B
Transformer
Operation indicator
External alarm
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
Last module close
Jumper setting
Overload protection setting
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:
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
