Mitsubishi Electric PUZ-SM100VKA2 Service Manual page 22

7-3. INDOOR – OUTDOOR CONNECTING CABLE
The cable shall not be lighter than design 60245 IEC or 60227 IEC.
Outdoor power supply
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Note: The Max. cable length may vary depending on the condition of installation, humidity or materials, etc.
Indoor/Outdoor separate
power supply
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Note: The optional indoor power supply terminal kit is necessary
Be sure to connect the indoor-outdoor connecting cables directly to the units (no intermediate connections).
Intermediate connections can lead to communication errors if water enters the cables and causes insufficient
insulation to ground or a poor electrical contact at the intermediate connection point.
OCH774A
Wire No. o Size (mm²)
Max. 45m Max. 50m
3 o 1.5 (polar) 3 o 2.5 (polar)
1 o Min 1.5 1 o Min 2.5
Wire No. o Size (mm²)
Max. 120m
2 o Min 0.3
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