1.2.3 Avoid Unintended Start
While the adjustable frequency drive is connected to line
power, the motor can be started/stopped using digital
commands, bus commands, references or via the LCP or
LOP.
•
Disconnect the adjustable frequency drive from
line power whenever personal safety consider-
ations make it necessary to avoid unintended
start of any motors.
•
To avoid unintended start, always press [Off/
Reset] before changing parameters.
Equipment containing electrical components
may not be disposed of together with domestic
waste.
It must be separately collected with electrical
and electronic waste according to local and
currently valid legislation.
1.3 Installation
1.3.1 Before Commencing Repair Work
1. Disconnect the FC 51 from line power (and
external DC supply if present.)
2. Wait for 4 min (M1, M2 and M3) and 15 min (M4
and M5) for discharge of the DC link. See
Table 1.1.
3. Disconnect DC bus terminals and brake terminals
(if present).
4. Remove motor cable.
1.3.2
Side-by-Side Installation
The adjustable frequency drive can be mounted side-by-
side for IP20 rating units and requires 4 in [100 mm]
clearance above and below for cooling. Refer to
chapter 1.7 Specifications for details on environmental
ratings of the adjustable frequency drive.
Quick Guide Quick Guide
4 Danfoss A/S © Rev. 2014-02-27 All rights reserved. MG02B922
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