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duct unit without auxiliary duct: duct unit with auxiliary duct:
Installation state: the unit should be placed on the flat floor or be mounted in horizontal direction.
Testing method:
standing-on-floor unit: If the unit cooling capacity is
over 28000W, the noise level should be measured at
the front, left, right directions respectively.
mounting-on-ceiling unit:
mounting-on-wall unit: built-in-ceiling unit:
1m
1m
1m
1m
0.8m
1m
1.4m
1.4m
2m
duct
auxiliary duct
2m
1.4m
1m
auxiliary duct
-17-
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