Envirovent PIV AIR SOURCE Installation Manual page 14

9a. INLINE FILTER (all units)
1. Insert the inline filter into a 350mm long
section of rigid 150mm diameter duct (not
supplied) on the inlet side of the unit.
2. Connect to the filter with a section of flexible
duct approximately 300mm long (not supplied).
The connection must be removable, to allow the
filter to be replaced. Connect this to an external
vent (see page 5 for examples).
9b. LOFT FILTER (Air Source only)
1. Insert the two flexible filter rods into the
holes in the lid so they cross in the middle.
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PIV & MIV Air Source / Inline
2. Attach the loft filter over the rods. Line
up the Velcro edge on the filter with the
matching Velcro edge on the lid and ensure
it is attached all the way round.
SHOULD YOU ENCOUNTER ANY PROBLEMS
INSTALLING THIS UNIT, CALL US ON:
01423 859 395