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C
OMMISSIONING
3. Motor insulation checks
Disconnect the motor cable from the motor and open the bridging connections in the
motor connection box. Measure the insulation resistance of each motor winding. The
measurement voltage must equal at least the motor nominal voltage but not exceed 1000
V. The insulation resistance must be >1M at ambient temperature of 20°C. Always follow
the instructions of the motor manufacturer.
Honeywell
• 60
6
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