Honeywell SmartDrive HVAC Installation Manual page 52

Variable frequency drive for heating, ventilation and air conditioning applications
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C
ONTROL UNIT
Protection class IP21: Cut free the opening on the drive cover for the Ethernet
cable.
Protection class IP54: Cut the rubber grommets open to slide the cables
through. Should the grommets fold in while inserting the cable, just draw the
cable back a bit to straighten the grommets up. Do not cut the grommet openings
2
wider than what is necessary for the cables you are using.
IMPORTANT: To meet the requirements of the enclosure class IP54, the connec-
tion between the grommet and the cable must be tight. Therefore, lead the first
bit of the cable out of the grommet straight before letting it bend. If this is not
possible, the tightness of the connection must be ensured with insulation tape or
a cable tie.
max. 40 mm
Figure 45.
IP54
IP21
Figure 46.
Ethernet
cable
Honeywell
• 50
5

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