(MCC-1643)
Connector
No.
Color Function
4-way
Smart
Cassette
Compact
4-way
Smart
Cassette
2-way
Cassette
Floor
standing
1-way
Cassette
(SH)
Pin
No.
Specifications Remarks
CN32 White Ventilation
output
DC12V
(With short-
circuit
connector)
Setting at shipment: Interlock of ON by indoor unit operation,
with OFF by stop operation
Output (Open collector) * The single operation setting by FAN button on the remote
controller is performed on the remote controller (DN=31).
CN61 Yellow HA
ON/OFF input HA ON/OFF input (J01: YES/NO=Pulse (At shipment from
factory) /Static input selection)
Remote controller prohibited
input
Permission/Prohibition of remote controller operation stop
is performed by input.
Operation output
(Open collector)
Operation ON (Answer back of HA)
Warning output
(Open collector)
Warning output ON
DC12V㧔COM)
0V㧔COM㧕
CN71 White CHK
Operation
check
Check mode input
0V
This check is used to check indoor operation. (Performs
operation of indoor fan “H” , Louver horizontal and Drain
pump ON without communication with outdoor and remote
controller)
CN72 White DISP
Exhibition mode
DISP mode input
0V
Communication is available by indoor unit and remote
controller only (When the power is turned on). Shortening
time of timer (Always)
CN309 Yellow Output power
supply for option
AC230V
AC230V
This can be used as power supply for option devices.
CN501 White (For service)
×××××——
CN81 Black Output for PMV
relay
DC12V
EP valve output
(Open collector)
Balance valve output
(Open collector)
Suction valve output
(Open collector)
Discharge valve output
(Open collector)
CN34 Red Input for float
SW
×
DC12V
NC
Float SW input
Normal when between
–
short-circuits, but abnormal
when open-circuits. (check code "P10" appears)
CN521 Red Connection for
option P.C.board
DC12V
* To use the functions operated by CN60, CN80, CN70 and CN73, which are provided for other P.C.board, use the Application control kit (TCB-PCUC2E) sold separately.
: Use in standard,
: Available, : Use by connecting parts sold separately,
×
: Unavailable
Connected Application control kit (TCB-PCUC2E)
DC5V
Send
Receive
0V
6. APPLIED CONTROL AND FUNCTIONS
6-1. Optional connector Specifications of Indoor P.C.Board
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