Toshiba TCS-NET - HA Connector and Relay Operation Issues

TCS-NET General Purpose Interface
Service Manual
8
Toshiba
The PCB layout is shown below. Checkpoints are circled.
4-2. An air conditioner indoor unit connected to the RO1
and DI3 relay contacts using the HA connector cannot
be operated from the central remote controller
An air
conditioning
operation
connected to the
RO1 relay contact
is not available
from the central
remote controller
NO
See the Installation Manual,
and make the settings
correctly.
NO
See the Installation Manual,
and make the connection
correctly.
YES
Is the relay mode set correctly
(SW5)?
SW5-2 and SW5-4 = OFF;
SW5-3 = ON
Are DI3/RO1 and the air
conditioner HA connector
connected correctly?
See the chapter titled "WIRING"
of the Installation Manual.
+00DE89308801_01EN_SVM_General_IF.book Page 8 Tuesday, January 20, 2009 6:44 PM