Mitsubishi Electric e Series Service Handbook page 25

[ II Restrictions ]
Control cable specifications
Remote controller cable
M-NET cable between units
*1
External input wire size
External output wire size
*1 Use a CVVS or CPEVS cable (Max. total length of 200 m) if there
exceeds 120 m.
*2 When the wiring length exceeds 10 m, use field-supplied wire of 1.25 mm².
2 Cable Connections
<1> Schematic Diagram of a Unit and Terminal Block Arrangement
Detailed drawing
ø28 control wiring
(high voltage)
ø28 control wiring
(low voltage)
ø52 power supply
wiring
30
(1) Remove the front column and power supply box cover.
(2) Wire the power supply and control wires. The power supply box is covered with a bush with membrane. Cut the bush with
membrane before connecting wires to the terminal box.
(3) Fasten the power supply wires by the cable strap.
(4) Secure the cable conduit, and then waterproof the area around the pipe with silicon, etc.
(5) Reattach the power supply box cover and front column.
<2> Precautions when fastening screws
* Faulty contacts due to loose screws may cause overheating and fire.
* Using the circuit board while it is damaged may cause overheating and fire.
Screw fastening torque
1
Power supply terminal block (TB4)...M8 screw: 10 to 13.5 N·m
Use the following methods to check that the screws have been fastened.
HWE1417B
Size
R e c o m m e n d e d c a b e l y t p e s
S z i e
R e c o m m e n d e d c a b e l y t p e s
See Detailed drawing
<Service side>
Front column
30
0.3 mm² (Max. 200 m total)*2
C
M i . n 1 2 . 5 m m ( ²
S h e i d l e d c a b e l C V
Min. 0.3 mm²
1.25 mm²
is a source of electrical interference near by (e.g., factory) or the total length of control wiring
Power supply lead-in location
750
- 16 -
V V
M a . x 1 2 0 m o t a t ) l
V , S C P E V S r o M V V S
<Power supply box details>
Power supply box cover
Power supply
terminal box
(terminal size: M8)
Ground terminal (M8)
Cable strap for the
power supply wires
GB