Toshiba ESTIA HWS-802XWHM3-E Manuel D'installation page 29

Hydro Unit
Defrost and Compressor operation Outputs
Defrost output
• Display relay is ON when the system defrost.
• Volt free contact
AC230 V; 0.5 A (maximum)
DC24 V; 1 A (maximum)
• Connection details: Terminals 1 and 2 (OPERATION) on MCC-1217 TB (Refer to "Fig. 7-33")
Compressor operation output
• Display relay is ON with outdoor unit compressor operation.
• Volt free contact
AC230 V; 0.5 A (maximum)
DC24 V; 1 A (maximum)
• Connection details: Terminals 3 and 4 (EMG) on MCC-1217 TB (Refer to "Fig. 7-33")
▼ Fig. 7-33
Hydro unit main
control board
CN209
TCB-PCIN3E
Display
Relay
K1
Connection
Cable
PJ20
OPERATION
Display
Relay
K2
– 29 –
Local Supply
4
3
L2
EMG
2
1 L1
Installation Manual
Compressor
Power Supply
operation
output
Defrost
Power Supply
output
EN
28-EN