9.2 Maintenance
Maintenance schedule
Activity
Interval
Changing the fresh air and extract air
filter
When the filter alarm is displayed, at
least annually
Comprehensively checking function;
cleaning and possibly repairing the unit
Annually by Hoval customer service
Filter table
The following replacement filters are required:
Design
Size
Filter set
Mat. no.
Standard
Corrosion-protected design
Design for high extract air humidity
6
Fresh air
6046475
Extract air
6046477
9
Fresh air
6046474
Extract air
6046476
Oil-proof design
6
Fresh air
6046475
Extract air
6046478
9
Fresh air
6046474
Extract air
6046479
Table 24:
Material numbers for replacement filters
RoofVent
®
RH | RC | RHC | R
Maintenance and repair
Art.No. 4 214 745-en-04 / Page 45