Wiring Diagram - Johnson Controls VRF System Engineering Manual

2.11.4 Wiring Diagram

Models: (H,Y,C)IC2018B21S and (H,Y,C)IC2024B21S with Decorative Panel P-AP90DNA
Ground Wiring
CN3
CN7, 8
CN10
DSW3, 4, 7, 9,
EFR1, EFS1
MIF
MS1,2
MV
MD
PCB1
RSW1
DSW6
RSW2
DSW5
TB1, 2
THM1~3, 5
THM4
CN4~6, HA, PCN4
TC-16002-rev.1
Mark
Optional Connector (For Signal Input)
Optional Connector (For Signal Output)
Optional Connector (For Motion Sensor)
DIP Switch for Setting
Fuse
Motor for Indoor Fan
Motor for Automatic Swing Louver
Electronic Expansion Valve
Motor for Drain-up Discharge Mechanism
Printed Circuit Board
Rotary Switch for Unit No. Setting (Ones Digit)
DIP Switch for Unit No. Setting (Tens Digit)
Rotary Switch for Refrigerant Cycle No. Setting (Ones Digit)
DIP Switch for Refrigerant Cycle No. Setting (Tens Digit)
Terminal Block
Thermistor
Optional Connector (For Remote Temperature Sensor)
Reserved Connector on PCB
Name
2-WAY CASSETTE
2-15