Operating Instructions

SED2 VFD Startup, Operation, and Maintenance Manual
34 Siemens Building Technologies, Inc.
Tightening Torque for Input Power and Motor
Connections
Frame size A B C D E F
Tightening
torque
lb-in (Nm)
9.7
(1.1)
13.3
(1.5)
19.9
(2.25)
88.5
(10) max.
88.5
(10) max.
442
(50)
Cable Cross-Sections for Input Power and Motor
Cables
Table 5. Cable Cross-Sections for Input Voltage Range
3Ø AC 200V through 240V.
Input Power Cable Motor Cable
Maximum
Output
rating
kW (hp)
Minimum
Cross-
Section
AWG (mm
2
)
Maximum
Cross-
Section
AWG (mm
2
)
Minimum
Cross-
Section
AWG (mm
2
)
Maximum
Cross-
Section
AWG (mm
2
)
0.37 (.50) 17 (1) 13 (2.5) 17 (1) 13 (2.5)
0.55 (.75) 17 (1) 13 (2.5) 17 (1) 13 (2.5)
0.75 (1.0) 17 (1) 13 (2.5) 17 (1) 13 (2.5)
1.1 (1.5) 17 (1) 9 (6) 17 (1) 9 (6)
1.5 (2.0) 15 (1.5) 9 (6) 17 (1) 9 (6)
2.2 (3.0) 13 (2.5) 9 (6) 17 (1) 9 (6)
3 (4.0) 11 (4) 7 (10) 15 (1.5) 7 (10)
4 (5.0) 11 (4) 7 (10) 11 (4) 7 (10)
5.5 (7.5) 11 (4) 7 (10) 11 (4) 7 (10)
7.5 (10) 7 (10) 2 (35) 7 (10) 2 (35)
11 (15) 5 (16) 2 (35) 16 (5) 2 (35)
15 (20) 5 (16) 2 (35) 5 (16) 2 (35)
18.5 (25) 3 (25) 2 (35) 5 (16) 2 (35)
22 (30) 2 (35) 2 (35) 2 (35) 2 (35)
30 (40) 0 (50) -5 (150) 0 (50) -5 (150)
37 (50) -2 (70) -5 (150) -2 (70) -5 (150)
45 (60) -2 (70) -5 (150) -3 (95) -5 (150)