Danfoss VLT HVAC Drive FC 102, Руководство по эксплуатации

Страница: 11 / 30

WARNING
FIRE HAZARD
Using the VLT
®
PTC Thermistor Card MCB 112 in areas
with combustible dust may lead to death, personal
injury, or property damage. To avoid the risk, adhere to
the following:
•
Always provide the MCB 112 with a dust-proof
enclosure according to IEC 60529.
•
Observe national safety rules and regulations
for prevention of accidents, as well as the
European Standard EN 60079-14 (Explosive
atmospheres - Part 14: Electrical installations,
design, selection, and erection).
•
Only qualified personnel (see
chapter 2.2 Qualified Personnel ) is allowed to
install, connect, and commission the MCB 112.
WARNING
UNINTENDED START
When the frequency converter is connected to AC mains,
the motor may start at any time, causing risk of death,
serious injury, equipment, or property damage. The
motor can start by means of an external switch, a serial
bus command, an input reference signal from the LCP,
after a cleared fault condition, or after the motor and
motor thermistors have cooled down.
•
Disconnect the frequency converter from mains
whenever personal safety considerations make
it necessary to avoid unintended motor start.
•
Press [Off] on the LCP, before programming
parameters.
•
The frequency converter, motor, and any driven
equipment must be in operational readiness
when the frequency converter is connected to
AC mains.
CAUTION
RISK OF INJURY AND EQUIPMENT DAMAGE
Read and observe these operating instructions and
safety warnings before installing the VLT
®
PTC
Thermistor Card MCB 112. Not adhering to the
instructions and warnings in this manual may lead to
personal injury, and property and equipment damage.
Safety
VLT
®
PTC Thermistor Card MCB 112
8 Danfoss A/S © 01/2015 All rights reserved. MG33V302
2 2