Safety Grounding Connection; Motor Cable Connections - Danfoss VTT Series Applications And Installation Manual

Figure 55
Position of Earth Terminals
Safety Grounding
Connection

Motor Cable Connections

Figure 56
Drive Module to Motor
Connection
Table 31
Motor Cable Connections
Electrical Power Wiring
The Drive Module has a high leakage current
and must be grounded appropriately for safety
reasons according to EN 50178.
The earth leakage current from the drive module exceeds 3.5 mA. To ensure a good mechanical connection
from the earth cable to the earth connection (terminal 95), the earth grounding must be reinforced in one of
the following ways:
Earth ground wire of at least 10 mm2.
Separate earth ground wires both complying with the dimensioning rules.
The motor power cable must be connected to
terminals U/T1/96, V/T2/97, W/T3/98; ground to
terminal 99. The factory setting is for clockwise
GROUND
Terminal No
96, 97, 98, 99
1
• • • DANGER • • •
rotation with the drive module output connected
as follows:
DRIVE MODULE
T1 T2 T3
96 97 97 98
Line power U/T1, V/T2, W/T3 Ground
M-AI-VT-001-EN Rev.C.1
MOTOR TERMINALS
W
V
U
Function
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