Optional connector specifications of indoor P.C. board (MCC-16
9
6
)
*
To use the functions operated by CN60, CN80, CN70 and CN73, which are provided for other P.C.board, use the Application contr
ol kit (TCB-PCUC2E) sold separately.
: Use in standard,
: Available, : Use by connecting parts sold separately,
×
:
Unavailable
Connector
Pin
No.
Color
Function
High wall
Specifications
Remarks
No.
CN32
White
Ventilation
output
CN34
Red
Input for float
×
SW
(With short-
circuit
connector)
CN61
Yellow
HA
CN71
White
CHK
Operation check
CN72
White
DISP
Exhibition mode
CN81
Black
Output for Flow selector unit
CN309
Yellow
Output power supply for option
CN521
Red
Connection for
option P.C.board
DC12V
Output (Open collector)
Setting at shipment: Interlock of ON by indoor unit operation,
with OFF by stop operation
*
The single operation setting by FAN button on the remote
controller is performed on the remote controller (DN=31).
ON/OFF input
0V
㧔
COM
㧕
Remote controller prohibited
input
Operation output
(Open collector)
DC12V
㧔
COM)
Warning output
(Open collector)
HA ON/OFF input (J01: YES/NO=Pulse (At shipment from
factory) /Static input selection)
Permission/Prohibition of remote controller operation stop
is performed by input.
Operation ON (Answer back of HA)
Warning output ON
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)
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)
AC230V
AC230V
This can be used as power supply for option devices.
DC12V
EP valve output
(Open collector)
Balance valve output
(Open collector)
Suction valve output
(Open collector)
Discharge valve output
(Open collector)
DC12V
NC
Float SW input
Normal when between
–
short-circuits, but abnormal
when open-circuits. (check code "P10" appears)
DC12V
Connected Application control kit (TCB-PCUC2E)
DC5V
Send
Receive
0V
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