•
•
•
•
Torque rise time in VVC
+
(independent of f
sw
)
10 ms
1
Percentage relates to the nominal torque.
10.4 Ambient Conditions
Enclosure
IP21/NEMA 1, IP54/NEMA 12
Vibration test
1.0 g
Maximum THDv
10%
Maximum relative humidity
5–93 (IEC 721-3-3); Class 3K3 (non-condensing) during operation
Aggressive environment (IEC 60068-2-43) H
2
S test
Class Kd
Ambient temperature
Maximum 50° C (122° F) (24-hour average maximum 45 °C (113
°F))
(1)
Minimum ambient temperature during full-scale operation
0 °C (32 °F)
(1)
Minimum ambient temperature at reduced speed performance
-10 °C (14 °F)
(1)
Temperature during storage/transport
-25 to +65/70 °C (-13 to +149/158 °F)
Maximum altitude above sea level without derating
1000 m (3280 ft)
EMC standards, Emission
EN 61800-3
EMC standards, Immunity
EN 61800-3
Energy efficiency class
(2)
IE2
1
For more information on derating, refer to the product-specific Design Guide.
2
Determined according to IEC 61800-9-2 at:
Rated load.
90% rated frequency.
Switching frequency factory setting.
Switching pattern factory setting.
10.5 Motor and Control Cables
Maximum motor cable length, shielded
150 m (492 ft)
Maximum motor cable length, unshielded
300 m (984 ft)
Maximum cross-section to control terminals, flexible/rigid wire
without cable end sleeves
1.5 mm
2
/16 AWG
Maximum cross-section to control terminals, flexible wire with ca-
ble end sleeves
1 mm
2
/18 AWG
Maximum cross-section to control terminals, flexible wire with ca-
ble end sleeves with collar
0.5 mm
2
/20 AWG
Minimum cross-section to control terminals
0.25 mm
2
/24 AWG
For power cables, see the
Electrical Data
section.
10.6 Control Input/Output and Control Data
10.6.1 Control Card, USB Serial Communication
USB standard
1.1 (full speed)
USB plug
(1)
USB type B plug
1
Connection to the PC is carried out via a standard host/device USB cable.
AQ357954340588en-000201 / 130R0881
148 | Danfoss A/S © 2020.09
Specifications
VLT® Refrigeration Drive FC 103
Operating Guide
Summary of Contents for VLT FC 103
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