3. Mechanical installation
3.1. Before starting
3.1.1. Checklist
When unpacking the frequency converter, ensure that the unit is undamaged and complete. Use
the following table to identify the packaging:
Enclosure
type:
A2
(IP 20/IP
21)
A3
(IP 20/IP
21)
A5
(IP 55/IP
66)
B1
(IP 21/IP
55/IP 66)
B2
(IP 21/IP
55/IP66)
C1
( IP21/IP
55/66)
C2
( IP21/IP
55/66)
Unit size:
200-240 V
1.1-3.0
kW
3.7
kW
1.1-3.7
kW
5.5-11
kW
15
kW
18.5 - 30
kW
37 - 45
kW
380-480 V
1.1-4.0
kW
5.5-7.5
kW
1.1-7.5
kW
11-18.5
kW
22-30
kW
37 - 55
kW
75 - 90
kW
525-600 V
1.1-4.0
kW
5.5-7.5
kW
Table 3.1: Unpacking table
Please note that a selection of screwdrivers (phillips or cross-thread screwdriver and torx), a side-
cutter, drill and knife is also recommended to have handy for unpacking and mounting the
frequency converter. The packaging for these enclosures contains, as shown: Accessories bag(s),
documentation and the unit. Depending on options fitted there may be one or two bags and one
or more booklets.
VLT
®
HVAC Drive Operating Instructions 3. Mechanical installation
MG.11.A4.02 - 09.10.06. VLT
®
is a registered Danfoss trademark
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