HTW VAW -AT-O-100VAWE Manuel De L'utilisateur Et D'installation page 58

Required service space
Below you will find the minimum space required to be able to complete service and maintenance
tasks on the units.
Note:
-
If air inlet and/or outlet pipes are connected, portion airflow and capacity in heat pump unit will
lose.
- If the unit connects with air ducts it should be DN 180mm for pipes or 180mm internal diameter
flexible hose. Total length of the ducts should not be longer than 6m or the maximum static
pressure should not exceed than 40Pa. Be in mind of bending site of the duct no more than 4m.
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