Power Connection Tightening Torque; Spacing Between Parallel Motor Cables; Maximum Cable Length By Frame Size Without Dv/Dt Protected C2 Ratings - Johnson Controls VSD II Series Installation Manual

Power Connection Tightening Torque

Fame Size Voltage
FS4 230 Vac
400 Vac
460 Vac
FS5 230 Vac
400 Vac
460 Vac
FS6 230 Vac
400 Vac
460 Vac
FS7 230 Vac
400 Vac
460 Vac
FS8 230 vac
400 Vac
460 Vac
FS9 230 Vac
400 Vac
460 Vac
Note: Strip the motor and power cables as shown in figure on next page.

Spacing Between Parallel Motor Cables

Cable Length
Less than 164 ft (50 m)
Less than 657 ft (200 m)
hp (VT) kW
0.75-4 0.75–3.0
— 1.1–5.5
1.5–7.5 —
5–10 4–7.5
— 7.5–15
10–20 —
15–20 11–15
— 18.5–30
25–40 —
25–40 18.5–30
— 37–55
50–75 —
50–75 37–55
— 75–110
100–150 —
100–125 75–90
— 132–160
200–250 —
Distance Between Cables
1 ft (0.3m)
3 ft (3.3m)
VSD Series II LIT-12011772—October 2012 www.johnsoncontrols.com
Tightening
Torque
Amperes (in-lbs)
3.7–12.5 5
3.4–12
3.4–12
18–31 13
16–31
16–31
48–62 35
38–61
38–61
75–105 88
72–105
72–105
140–205 170/8
140–205
140–205
261–310 354/195
261–310
261–310
Maximum Cable Length by Frame Size without DV/DT
Protected C2 Ratings
Frame Size
FS4
FS5
FS6
FS7
FS8
FS9
Installation Requirements
Tightening
Torque
(Nm)
0.6
1.5
4
10
20/9
40/22
Maximum Cable Length
328 ft (100m)
493 ft (150m)
657 ft (200m)
657 ft (200m)
657 ft (200m)
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