Internal view

Key to components

1 Three-port valve
2 Filter
3 Additional electric heater
4 Reset button (electric heater)
5 Condenser
6 Circulation pump (heating)
7 Flexible hoses
8 Compressor
9 Sight glass
10 Electrical connections
11 Control panel
12 Circuit breakers
13 Control unit
14 Evaporator
15 Heat transfer fluid pump (collector)
16 Expansion valve