Connecting Ac Power Cables And M-Net Transmission; Safety Notes Are Marked With Warning Cables - Mitsubishi Electric MCC-50A Installation And Instruction Manual

6-2. Connecting AC power cables and M-NET transmission cables
Properly secure the cables in place and provide adequate slack in the cables so as not to
stress the terminals. Improperly connected cables may break, overheat, and cause smoke
or fire.
MCC-50
M-NET transmission cables
for centralized control
AC power cables
6-2-1. AC power cables and protective ground wire
1. Attach M3.5 sleeved ring terminals to the AC power cables, and attach an M4.0 sleeved ring terminal to the protective ground
wire.
2. Connect the AC power cables to the power supply terminal block, and connect the protective ground wire to the ground
terminal.
Note: Thread the protective ground wire through the guides to prevent the wire from moving when it is retightened to the ground terminal.
3. Fix the cables in place with the supplied cable tie.
45 mm
(1-13/16 in)
or less
AC power cable
Cable tie (supplied)
Note
● Make the protective ground wire 25 mm (1 in) longer than the AC power cables (L/L1, N/L2).
● Tighten the terminal screws to a torque of 1.0 to 1.3 N•m.
● Properly fix the cable sheaths in place with the supplied cable ties. The distance between the sheath end and the ring
terminal must be 45 mm (1-13/16 in) or less.
● Fix the cables in place with the supplied cable tie.
By pulling the cables, check that the cables do not slip out of the cable tie.
WT09836X01
Protective
ground wire
Sheath
100–240 VAC
Cable tie (supplied)
Cable sheath
Outdoor unit
TB7
Overcurrent breaker
Guide
19
Earth leakage breaker
100–240 VAC
Guide