universalblue UBCA2000-20 Instruction Manual page 26

 The cooker hood should be placed at a distance of 65~75cm
above the cooking surface for best effect.

Use 2 pcs 4mm x 30mm screws to hang the hood. And use 2
pcs 4mm x 40mm screws to fix inside chimney bracket.
Use 2 pcs 4mmx8mm screws to fix the valve on the top of
the hood, attach the expansion pipe on the way wall valve as
shown below. Fix the expansion pipe on the valve by cable
tie. (The expansion pipe is not included)
inside chimney bracket
4mm x 30mm screws
26