Connection Details; Power Supply; Hvac Communications Network ( Tcc-Link ) - Toshiba Black Pear Installation And User Manual

4. Connection Details

All electrical work should be carried out by a competent
person and wiring must be in accordance with the national
electrical installation regulations.
24v AC

4.1 Power Supply

The Black Pear requires a 24v AC supply and has a consumption not exceeding 5VA. The
internal fuse is rated T630mA.

4.2 HVAC Communications Network ( TCC-LINK )

Connect to outdoor unit terminals U3 and U4, as per a standard central controller.
These are non-polarized.
Power Reset HVAC
Supply Button
N/C
To HVAC Network
Fig. 1 Connection Details
THIS EQUIPMENT MUST BE EARTHED
Serial Comm Digital
Ports In/Out
RS485-A
RS485-B
RS485-Com
RS232 Tx
RS232 Rx
Common
5
USB 10/100
Base-T
Ethernet
Out
Ethernet
In
To PC
for configuration
and firmware
upgrading.
To