7.4 Ambient Conditions
Environment
IP rating
IP20
1)
/Chassis, IP21
2)
/Type 1, 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
3)
Maximum 50
°
C (24-hour average maximum 45
°
C)
Minimum ambient temperature during full-scale operation
0
°
C
Minimum ambient temperature at reduced performance
-10
°
C
Temperature during storage/transport
-25 to +65/70
°
C
Maximum altitude above sea level without derating
1000 m
Derating for high altitude, see special conditions in the Design Guide
EMC standards, Emission
EN 61800-3
EMC standards, Immunity
EN 61800-3
Energy efficiency class
4)
IE2
See chapter 5 Special Conditions.
1) Only for
≤
3.7 kW (200–240 V),
≤
7.5 kW (380–480 V).
2) As enclosure kit for
≤
3.7 kW (200–240 V),
≤
7.5 kW (380–480 V).
3) Derating for high ambient temperature, see chapter 5 Special Conditions.
4) Determined according to EN 50598-2 at:
•
Rated load.
•
90% rated frequency.
•
Switching frequency factory setting.
•
Switching pattern factory setting.
7.5 Cable Specifications
Cable lengths and cross-sections for control cables
1)
Maximum motor cable length, screened
150 m (492 ft)
Maximum motor cable length, unscreened
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 cable end sleeves
1 mm
2
/18 AWG
Maximum cross-section to control terminals, flexible wire with cable end sleeves with collar
0.5 mm
2
/20 AWG
Minimum cross-section to control terminals
0.25 mm
2
/24 AWG
1) For power cables, see electrical data tables in chapter 7.1 Electrical Data.
7.5.1 Cable Lengths for Multiple Parallel Motor Connections
Enclosure sizes
Power size [kW]
Voltage [V]
1 cable [m]
2 cables [m]
3 cables [m]
4 cables [m]
A2, A4, A5
1.1–1.5
400
150
45
20
8
A2, A4, A5
2.2–4
400
150
45
20
11
A3, A4, A5
5.5–7.5
400
150
45
20
11
B1, B2, B3, B4,
C1, C2, C3, C4
11–90
400
150
75
50
37
Table 7.7 Maximum Cable Length for Each Parallel Cable
For more information, refer to chapter 3.5.6 Connection of Multiple Motors.
Specifications
VLT
®
Refrigeration Drive FC 103
122
Danfoss A/S © 08/2015 All rights reserved.
MG16G202
7
7
Содержание VLT FC 103
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