Electrical Installation; Control Wires - Danfoss VLT HVAC Drive FC 100 Operating Instructions Manual

3. How to Install

3.6. Electrical Installation

3.6.1. Control Wires

Connect the wires as described in the Operat-
ing Instruction for the frequency converter.
3
Remember to connect the shields in a proper
way to ensure optimum electrical immunity.
Control cable routing
Tie down all control wires to the designated
control cable routing.
Fieldbus connection
Connections are made to the relevant options
at the control card. For details see the relevant
fieldbus instruction. The cable must be placed
to the left inside the frequency converter and
tied down together with other control wires.
In the IP 00 (Chassis) and IP 21 (NEMA 1)
units it is also possible to connect the fieldbus
from the top of the unit as shown on the pic-
ture below. On the IP 21 (NEMA 1) unit a
cover plate must be removed.
Installation of 24 Volt external DC Sup-
ply
Torque: 0.5 - 0.6 Nm (5 in-lbs)
Screw size: M3
44
Illustration 3.68: Wire path for control wiring.
Illustration 3.69: Top connection for fieldbus.
No.
35 (-), 36
(+)
MG.11.F1.02 - VLT ® is a registered Danfoss trademark
®
VLT HVAC DRIVE High Power
Operating Instruction
Function
24 V external DC supply