Electrical Installation; Electrical Installation In General - Danfoss VLT FC 101 Quick Manual

Installation

3.2 Electrical Installation

3.2.1 Electrical Installation in General

All cabling must comply with national and local regulations on cable cross-sections and ambient temperature. Copper
conductors are required. 75 °C (167 °F) is recommended.
Power [kW (hp)]
Enclosure IP class 3x200–240 V
size
H1 IP20 0.25–1.5
(0.33–2)
H2 IP20 2.2 (3)
H3 IP20 3.7 (5)
H4 IP20 5.5–7.5 (7.5–10)
H5 IP20 11 (15)
H6 IP20 15–18.5 (20–25)
H7 IP20 22–30 (30–40)
H7 IP20 –
H8 IP20 37–45 (50–60)
Table 3.4 Tightening Torques for Enclosure Sizes H1–H8, 3x200–240 V & 3x380–480 V
Power [kW (hp)]
Enclosure IP class 3x380–480 V
size
I2 IP54 0.75–4.0 (1–5)
I3 IP54 5.5–7.5 (7.5–10)
I4 IP54 11–18.5 (15–25)
I6 IP54 22–37 (30–50)
I7 IP54 45–55 (60–70)
I8 IP54 75–90 (100–125)
Table 3.5 Tightening Torques for Enclosure Sizes I2–I8
Power [kW (hp)]
Enclosure IP class 3x525–600 V
size
H9 IP20 2.2–7.5 (3–10)
H10 IP20 11–15 (15–20)
H6 IP20 18.5–30 (25–40)
H7 IP20 37–55 (50–70)
H8 IP20 75–90 (100–125)
Table 3.6 Tightening Torques for Enclosure Sizes H6–H10, 3x525–600 V
1) Cable dimensions >95 mm 2
≤ 95 mm
2
2) Cable dimensions
MG18A802
Quick Guide
3x380–480 V Mains
0.37–1.5 (0.5–2) 0.8 (7)
2.2–4.0 (3–5) 0.8 (7)
5.5–7.5 (7.5–10) 0.8 (7)
11–15 (15–20) 1.2 (11)
18.5–22 (25–30) 1.2 (11)
30–45 (40–60) 4.5 (40)
55 (70) 10 (89)
75 (100) 14 (124)
90 (125)
1)
24 (212) 24 (212)
Mains Motor
0.8 (7) 0.8 (7)
0.8 (7) 0.8 (7)
1.4 (12) 0.8 (7)
4.5 (40) 4.5 (40)
10 (89) 10 (89)
14 (124)/24 14 (124)/24
(212) 2) (212) 2)
Mains Motor
1.8 (16) 1.8 (16)
1.8 (16) 1.8 (16)
4.5 (40) 4.5 (40)
10 (89) 10 (89)
14 (124)/24 14 (124)/24
2) 2)
(212) (212)
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Torque [Nm (in-lb)]
Motor DC Control
connection terminals
0.8 (7) 0.8 (7) 0.5 (4)
0.8 (7) 0.8 (7) 0.5 (4)
0.8 (7) 0.8 (7) 0.5 (4)
1.2 (11) 1.2 (11) 0.5 (4)
1.2 (11) 1.2 (11) 0.5 (4)
4.5 (40) – 0.5 (4)
10 (89) – 0.5 (4)
14 (124) – 0.5 (4)
– 0.5 (4)
1)
Torque [Nm (in-lb)]
DC Control
connection terminals
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
– 0.5 (4)
– 0.5 (4)
– 0.5 (4)
Torque [Nm (in-lb)]
DC Control
connection terminals
Not 0.5 (4)
recommended
Not 0.5 (4)
recommended
– 0.5 (4)
– 0.5 (4)
– 0.5 (4)
Ground Relay
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
3 (27) 0.5 (4)
3 (27) 0.5 (4)
3 (27) 0.5 (4)
3 (27) 0.5 (4)
Ground Relay
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
0.8 (7) 0.5 (4)
3 (27) 0.6 (5)
3 (27) 0.6 (5)
3 (27) 0.6 (5)
Ground Relay
3 (27) 0.6 (5)
3 (27) 0.6 (5)
3 (27) 0.5 (4)
3 (27) 0.5 (4)
3 (27) 0.5 (4)
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