Danfoss VLT FC Series User Manual

within 3%. If incorrect, see 8 Start Up Troubleshooting for
isolation procedures.
10. Check full load amps in bypass mode on motor
terminals.
a. Put unit into bypass mode.
b. Check full load amps on terminals T1, T2, and T3. Verify
motor amps are within motor FLA rated current and
balanced within 3%. If incorrect, see 8 Start Up Trouble-
shooting for isolation procedures.
For steps 11-13, see 5 Electromechanical Bypass (EMB)
Operation and 6 Electronically Controlled Bypass (ECB)
Operation for details.
11. Check operation of any optional functions to
confirm they work, as applicable. Options may
include run permissive, fire mode, common start/
stop, or others.
12. Exercise safety circuit and verify that unit stops
running.
13. Exercise start/stop circuit and verify that unit
starts and stops with system in auto mode of
operation.
Start Up Option Panel Operating Instructions
32 MG14I102 - VLT
®
is a registered Danfoss trademark
44

Danfoss VLT FC Series Specifications

General

Category	DC Drives
Series	VLT FC Series
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Overtemperature, Motor overload
Communication Interfaces	CANopen, PROFIBUS, Ethernet
Cooling Method	liquid-cooled
Enclosure Rating	IP20, IP21, IP55
Ambient Temperature	-10°C to +40°C (14°F to 104°F) without derating