Unit Installation
68
Back Return Air (Recommended) Downward Return Air
(4) An access no less than 300*400 must be reserved at the same side with the electric box.
During installation of the hanger bolts, check if the installation location can withstand four times
weight of the unit. If not, reinforce it.
During installation, the unit should be kept horizontally. The hanger should not bear the weight of
ducts, water pipes and others. Besides, check its security periodically.
(5) Valves should be equipped at the inlet and outlet. During installation, do protection against dust
for the unit.
Equip valves at the inlet and outlet.
(6) The flexible connectors or the movable joints should be used for connection of the water inlet and
outlet pipes. Moreover, the water filters should be installed at the water inlet pipe.
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