Danfoss vlt FC 102 - Ambient Conditions; Cable Specifications; Motor Cable Length; Power Cable Cross-Sections

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Torque rise time in VVC
+
(independent of f
sw
)
10 ms
(2)
1
Percentage relates to the nominal torque.
2
The torque response time depends on application and load but as a rule, the torque step from 0 to reference is 4-5 x torque rise time.
8.7 Ambient Conditions
Enclosure
IP20/Chassis, IP20/Chassis, IP21/Type 1, IP54/Type 12, IP55/Type
12, IP66/Type 4X
Vibration test
1.0 g
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)
Minimum ambient temperature at reduced speed performance
-10 °C (14 °F)
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
IE2
(2)
1
See the Derating chapter in the design guide for:
Derating for high ambient temperature.
Derating for high altitude.
2
Determined according to EN 50598-2 at:
Rated load.
90% rated frequency.
Switching frequency factory setting.
Switching pattern factory setting.
8.8 Cable Specifications
8.8.1 Motor Cable Length
Maximum motor cable length, shielded
150 m (492 ft)
Maximum motor cable length, unshielded
300 m (984 ft)
8.8.2 Power Cable Cross-sections
Table 55: Maximum Cable Cross-section [mm
2
(AWG)]
Enclosure
Mains
Motor
Brake
Loadshare
Disconnect
A1
4(12)
4(12)
4(12)
4(12)
4(12)
A2
4(12)
4(12)
4(12)
4(12)
4(12)
A3
4(12)
4(12)
4(12)
4(12)
4(12)
A4
4(12)
4(12)
4(12)
4(12)
4(12)
A5
4(12)
4(12)
4(12)
4(12)
4(12)
B1
10(7)
10(7)
10(7)
10(7)
10(7)
AQ267037536117en-000101 / 130R0083 | 97Danfoss A/S © 2023.09
Specifications
VLT HVAC Drive FC 102
Operating Guide