Xpelair GX12 EC3 RF Installation And Maintenance Instructions Manual page 6

Components (Fig. 10)
A. Inner Grille
B. Back draught shutter assembly
C. Fan assembly
D. Inner Clamp Plate
E. Outer Clamp Plate / Grille
F. Ladder Strips
G. Connector Plate
H. Pairing Switch
Fig. 10