Volvo C30 2007 Service And Repair Manual page 434

Fig. 64: Identifying Lower/Front Pipe/Hose Connector
Courtesy of VOLVO CARS CORPORATION
Remove:
the connector to the magnetic clutch

the pipe connections for the compressor (1) and (2).

2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation