Indoor – Outdoor Connecting Cable - Mitsubishi Electric Mr.SLIM PU-P71VHA Service Manual

9-3. INDOOR – OUTDOOR CONNECTING CABLE
The cable shall not be lighter than design 60245 IEC or 227 IEC.
The cable length may vary depending on the condition of installation, humidity or materials, etc.
Wire size
Cross section
of cable
Round
Flat
Flat
Round
*1 : In case that cable with stripe of yellow and green is available.
*2 : In case that flat cables are connected as this picture, they can be used up to 80m.
S1 S2 S3
*3 : In case of regular polarity connection (S1-S2-S3), wire size is 1.5mm
*4 : In case of regular polarity connection (S1-S2-S3).
*5 : Mentioned cable length is just a reference value.
It may be different depending on the condition of installation, humidity or materials, etc.
Outdoor power supply
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
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
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.
OC379F
Number
2
(mm )
of wires
2.5 3
2.5 3
1.5 4
2.5 4
(3C Flat cable × 2)
Max. 45m
3 1.5 (polar)
1 Min. 1.5
Polarity
Clockwise : S1-S2-S3
Not applicable
(Because center wire has no cover finish)
From left to right : S1-Open-S2-S3
Clockwise : S1-S2-S3-Open
Connect S1 and S3 to the opposite angle
.
2
Wire No. Size (
Max. 50m
3 2.5 (polar)
1 Min. 2.5
Wire No. Size (
Max. 120m
2 Min. 0.3
—
25
)
Max. 80m
3 2.5 (polar) and S3 separated
1 Min. 2.5
)
L(m) *5
50
*1
Not
applicable
*2
45
*3
60
*4