1.6 Tools Required
Instruction Manual for the FC Series Adjustable Frequency Drive
Metric socket set 7–19 mm
Socket extensions 100 mm–150 mm (4 in and 6 in)
Torx driver set
T10 - T50
Torque wrench
0.675–19 Nm (6–170 in-lbs)
Needle nose pliers
Magnetic sockets
Ratchet
Screwdrivers
Standard and Philips
Additional Tools Recommended for Testing
Digital volt/ohmmeter (must be rated for 1200 VDC
for 690 V units)
Analog voltmeter
Oscilloscope
Clamp-on style ammeter
Test cable p/n 176F8439
Signal test board p/n 176F8437
1.7 General Torque Tightening Values
For fastening hardware described in this manual, the torque values in the table below are used.
These values are not intended for SCR, diode, or IGBT fasteners. See the instructions included
with those replacement parts for correct values.
Shaft Size
Driver Size Torx/Hex
Torque (in-lbs)
Torque (Nm)
M4
T-20 / 7 mm
10
1.0
M5
T-25 / 8 mm
20
2.3
M6
T-30 / 10 mm
35
4.0
M8
T-40 / 13 mm
85
9.6
M10
T-50 / 17 mm
170
19.2
Table 1.5: Torque Values Table
1 Introduction
High Power Service Manual for VLT
®
FC Series
Adjustable Frequency Drives
1-4
MG.90.L1.22 - VLT
®
is a registered Danfoss trademark
1
Summary of Contents for VLT HVAC FC 100
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