Honeywell SmartDrive HVAC Installation Manual page 21

Variable frequency drive for heating, ventilation and air conditioning applications
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• 19
C+D
FRONT
Figure 11. Installation space when drives are
mounted on top of each other
Note that if several units are mounted above each
other the required free space equals C + D (see Fig-
ure 11.). Moreover, the outlet air used for cooling by
the lower unit must be directed away from the air in-
take of the upper unit by means of e.g. a piece of met-
al plate fixed to cabinet wall between the drives as
shown in Figure 11.
SIDE
Cooling air required
Type
MR4
MR5
MR6
MR7
MR8
MR9
Table 12. Required cooling air
[m
/h]
3
45
75
190
185
335
621
M
OUNTING

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