2.4.6 AC Line Input Connections
•
Size wiring is based upon the input current of the
adjustable frequency drive
•
Comply with local and national electrical codes
for cable sizes
•
Connect 3-phase AC input power wiring to
terminals L1, L2, and L3 (see
)
130BC254.10
2
1
Figure 2.13 Connecting to AC Line Power
1 AC line input connections
2 Motor connection
Table 2.8
•
Ground the cable in accordance with the
instructions provided
•
All adjustable frequency drives may be used with
an isolated input source as well as with ground
reference power lines. When supplied from an
isolated line power source (IT line power or
floating delta) or TT/TN-S line power with a
grounded leg (grounded delta), set
14-50 RFI 1
to
OFF. When off, the internal RFI filter capacitors
between the chassis and the intermediate circuit
are isolated to avoid damage to the intermediate
circuit and to reduce ground capacity currents in
accordance with IEC 61800-3.
2.5 Control Wiring Connection
•
Isolate control wiring from high power
components in the adjustable frequency drive
•
If the adjustable frequency drive is connected to
a thermistor, for PELV isolation, optional
thermistor control wiring must be reinforced/
double insulated. A 24 V DC supply voltage is
recommended.
2.5.1 Access
All terminals to the control cables are located underneath
the LCP on the inside of the adjustable frequency drive. To
access, open the door (IP21/54) or remove the front panel
(IP20).
Installation
VLT
®
Refrigeration Drive Instruction Manual
2-12
MG16J122 - VLT
®
is a registered Danfoss trademark
2
2
Содержание VLT FC 103
Страница 1: ...MAKING MODERN LIVING POSSIBLE Instruction Manual VLT Refrigeration Drive FC 103 75 400 kW ...
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Страница 4: ...Safety VLT Refrigeration Drive Instruction Manual MG16J122 VLT is a registered Danfoss trademark ...
Страница 8: ...Contents VLT Refrigeration Drive Instruction Manual MG16J122 VLT is a registered Danfoss trademark ...
Страница 93: ...Index VLT Refrigeration Drive Instruction Manual MG16J122 VLT is a registered Danfoss trademark 12 5 ...
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