Installation Instructions
9
6. After the rain covers and the ducts are fixed, push the rain covers toward the wall and
fix on it by screws, then to seal the gap between the wall and rain covers by sealant.
Attention: The installation guide is suitable for all the models in this manual, be-
fore drilling holes please pay attention on the height between vents of the venti-
lator and the floor (refer to page 3 and 4 about the dimension)
Installation of anti-falling fixed plate
1. Remove the top central 2 screws from the back of the ventilator, and fix the anti-falling
fixed plate A on it.
2. Fix the anti-falling fixed plate B on the suitable location of the wall by Knock-on anchor
bolts.
3. Based on different project conditions to decide if need to use the anti-falling connecting
plate between plate A and B, adjustable length is 100-600mm.
Remove screws
Anti-falling fixed plate A
Anti-falling fixed plate B
Connecting plate
Adjustable
100-600mm
OA primary filter maintenance and change
PM2.5 filter change
HEPA filter is at the top of the ventilator, as showed by the above picture.
HEPA filter
change: open
the
ventilator
door, take out the HEPA filters and change to be
the new one, recommended change period of the HEPA filter is 10 to 12 months.
OA primary filter is at the bottom right side of the ventilator, as showed by the below pic-
ture, it is to filter the large particle in the air.
Daily maintenance of the OA primary filter: use the vacuum cleaner to clean the filter,
recommended period is 3 months.
OA primary filter change: open the ventilator door, pull out the filter gently and replace to
the new one, pay attention on the arrow of the filter should face up.
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RA primary filter maintenance and change
RA primary filter is at the right side of the heat
exchanger, as showed by the right picture, it is to
filter the large particle in the air.
Daily maintenance of the RA primary filter: use
the vacuum cleaner to clean the filter, recom-
mended period is 6 months.
RA primary filter change: open the ventilator door,
pull out the filter gently and replace to the new
one.
HEPA filter change
PM2.5 filter is at the bottom right side of the heat
exchanger, as showed by the right picture, it is to
filter the particle below 2.5
μ
m in the air.
PM2.5 filter change: open the ventilator door, pull
out the filter gently and replace to the new one,
recommend change period is 6 months.
Maintenance
OA primary
RA primary
filter
PM2.5 filter
HEPA filter
Activated carbon
titanium dioxide
filter
Activated carbon and titanium dioxide filter change
Activated carbon and titanium dioxide filter is used to filter harmful gases such as for-
maldehyde, benzene series, ammonia and nitrogen, it has a strong removing power. It is
recommended to clean or replace the filter every 6 months.