5.4.5 Determination of airflow
Composite
Aluminium
[m³/h]
[L/s]
[m³/h]
[L/s]
VEX310T
60
17
VEX320T
63
18
VEX340T
60
17
95
26
VEX350T
121
34
121
34
Calculation of K factor for operating temperatures other than 20°C:
5.5 Cleaning
5.5.1 Cleaning the fan unit
If necessary, see "Remove fan unit" for description of how to remove the fan unit
from the VEX unit.
Step
Action
1
Clean the fan impellers using a vacuum cleaner and wipe down with a
damp cloth if necessary
Clean the blades on the fan impeller carefully to avoid disrupting the
balance If there are weights on the fan impeller, these must not be re-
moved.
2
After cleaning, check that the VEX unit operates without vibrating.
5.5.2 Cleaning the counterflow heat exchanger
See section "Remove fan unit" for description of how to remove the fan unit from
the VEX unit.
Step
Action
1
Clean the counterflow heat exchanger by flushing with hot water or by
pressure hosing.
(water temperature: max. 90 ºC)
Please note! Take care when pressure washing not to damage the
fins.
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Maintenance, hygiene and servicing
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Summary of Contents for VEX300 Series
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