Mitsubishi Electric GT14 User Manual page 130

• Remedy 1 (Refer to the figures Remedy 1-1 and 1-2 below.)
If the electric potential difference between the ground cable and the panel that houses the GOT is creating problems,
connect the ground cable to the panel also.
If the wiring method as shown in Remedy 1-1 is not feasible, follow Remedy 1-2.
When using the connector conversion box
Connection cable
Ground cable from
the panel that houses
control equipment
Use the thickest
cable possible.
Panel grounding
When using the external cable
Connection cable
Ground cable from
the panel that houses
control equipment
Use the thickest
cable possible.
Remedy1-1
If taking Remedy 1 worsens noise interference, taking Remedy 2 may alleviate it.
9 - 6
9. HANDLING OF POWER WIRING AND SWITCH
9.2 Power Wiring
Connector
conversion box
FG
Remedy1-1
FG
Panel grounding
Connector
conversion box
Connection cable
Ground cable from
the panel that houses
control equipment
Use the thickest
Panel grounding
cable possible.
Remedy1-2
Connection cable
Ground cable from
the panel that houses
control equipment
Use the thickest
cable possible.
Remedy1-2
FG
FG
Panel grounding