27
Air conditioner type: 2-speed ducted split or packaged air conditioner unit with
reversing valve for heating
Appropriate thermostat:
Prossimo 4211C
Null
Low
High
Line
Compressor contactor
Relays
Contactor
Reversing valve
Terminal
number
Description
Input/
Output
Electrical characteristics
1
Null
Input
AC 220V / 24V 50Hz
2
Fan high
Output
AC 220V / 24V 50Hz
3
Fan low
Output
AC 220V / 24V 50Hz
4
Do not connect
-
-
5
To compressor contactor
Output
AC 220V / 24V 50Hz
6
To reversing valve
Output
AC 220V / 24V 50Hz
7
Line
Input
AC 220V / 24V 50Hz
Appendix B.