Optional Connector Specifications Of Indoor P.c.board - Toshiba MMC-UP0181HP-UL Service Manual

8-3. Optional Connector Specifications of Indoor P.C. Board
Connector
Function
Secondary heating
CN32
output / Ventilation
output
Input for float SW
CN34
HA CN61
CHK operation check CN71
DISP exhibition mode CN72
Output for Flow
selector unit
CN81
Output power
supply for option
CN309
Connection for option
CN521
P.C.board
Pin
Specifications
No. No.
DC12V
�
Output
�
DC12V
�
NC
�
Float SW input
�
ON/OFF input
�
0V (COM)
�
Main prohibition input
�
Operation output
�
DC12V (COM)
�
Alarm output
�
Check mode input
�
0V
�
Display mode input
�
0V
�
DC12V
1
EP valve output
2
(Open collector)
Balance valve output
3
(Open collector)
Suction valve output
4
(Open collector)
Discharge valve output
5
(Open collector)
AC230V
1
AC230V
3
DC12V
1
2 DC5V
3 Send
4 Receive
5 0V
Secondary Heating Output (DN [191] = 01)
Secondary heating can be used while heating
operation are performed.
Ventilation Output (DN [191] = 00)
Single operation by FAN button on remote controller
is set up from remote controller (DN = 31)
Normal when between
abnormal when open-circuit. (Check code
"P10"appears)
HA ON/OFF input
(J01: YES/NO=Pulse (At shipment) / Static input select)
Operation stop of main remote controller is permitted /
prohibited by input.
ON during operation (Answerback of HA)
ON during alarm output
Used for indoor operation check.
(Outdoor does not communicate with remote controller,
and outputs specified operation such as indoor fan "H",
drain pump ON, etc.)
Exhibition mode enables to communicate by indoor unit
and remote controller only.
(When power has been turned on.) Timer short (Usual)
This can be used as power supply for option devices.
Connected Application control kit (TCB-PCUC2E)
- 35 -
Remarks
~ short-circuit but
� �