Terminal D31 / D32: DO_1 Digital Output1
Terminal D33 / D34: DO_2 Digital Output2
• Output function selected using rotary switches SW1 & SW2 on TX-TOS1413
SW1, SW2 Position
0
Outdoor unit(s) operation level is lower than capacity command
1
Outdoor unit(s) operation level is higher than capacity command
2
Cooling oil recovery/Heating refrigerant recovery control
3
Cooling operation output
4
Heating operation output
5
Thermostat ON
6~F
Do not use
250VAC: 5A (Max)
Relay contact rating
30VDC: 5A (Max)
Terminal C23 / C24: Operation Mode Input (Cool / Heat)
• Terminal C23 / C24 Cool / Heat mode selection over a dry contact.
If the contact is short-circuited, system changes to heat mode.
If the contact is open, system changes to cool mode.
• Only cool mode and heat mode are available.
Function
Mode Input Cool / Heat
MAX. 100 m
Operation Mode
C23
Input
(Input, DC12 V)
C24
Output Function
SW2: Digital output2 (DO_2)
SW1: Digital output1 (DO_1)
Terminal
C23 / C24
COOL mode active
Local supply
Relay coil signal
– 24 –
D31 D32 D33 D34
DO_1
OPEN
HEAT mode active
DO_2
SHORT
EN
24-EN