Mitsubishi Electric PUZ-ZM60VHA2, Service Manual

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OCH771
8-3. INDOOR – OUTDOOR CONNECTING CABLE
The cable shall not be lighter than design 60245 IEC or 60227 IEC.
Note: The maximum cable length may vary depending on the condition of installation, humidity or materials, etc.
Indoor unit-Outdoor unit
Outdoor power supply
Max. 45 m
3
o
1.5 (polar)
1
o
Min 1.5
Max. 50 m
3
o
2.5 (polar)
1
o
Min 2.5
Max. 80 m
3
o
2.5 (polar) and S3 separated
1
o
Min 2.5
Indoor unit-Outdoor unit earth
Wire No.
o
Size (mm²)
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.
Indoor unit-Outdoor unit
Indoor/Outdoor separate
power supply
Max. 120 m
2
o
Min 0.3
—
Indoor unit-Outdoor unit earth
Wire No.
o
Size (mm²)
Note: The optional indoor power supply terminal kit is necessary.
Indoor unit model ZM35–140
Indoor unit power supply ~/N (single), 50 Hz, 230 V
Indoor unit input capacity
Main switch (Breaker)
*1
16 A
Wiring Wire No. × size
(mm
2
)
Indoor unit power supply 3 × Min 1.5
Indoor unit power supply earth 1 × Min 1.5
Indoor unit-Outdoor unit
*2
2 × Min 0.3
Indoor unit-Outdoor unit earth —
Remote controller-Indoor unit
*3
2 × 0.3 (Non-polar)
Circuit rating
Indoor unit L-N
*4
230 VAC
Indoor unit-Outdoor unit S1-S2
*4
—
Indoor unit-Outdoor unit S2-S3
*4
28 VDC
Remote controller-Indoor unit
*4
12 VDC
*1 A breaker with at least 3 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
The breaker shall be provided to ensure disconnection of all active phase conductor of the supply.
*2 Maximum 120 m
*3
Maximum 500 m (When using 2 remote controllers, the maximum wiring length for the remote controller cables is 200 m.)
*4 The figures are NOT always against the ground.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and indoor unit/outdoor unit connecting cables shall not be lighter than
polychloroprene sheathed flexible cable. (Design 60245 IEC 57)
3. Install an earth line longer than power cables.
INDOOR-OUTDOOR CONNECTING CABLE
Cross section of cable Wire size (mm
2
) Number of wires Polarity L (m)*5
Round
2.5 3
Clockwise: S1-S2-S3
* Pay attention to stripe of yellow and green
(30)
*1
Flat
2.5 3
Not applicable
(Because center wire has no cover finish)
Not applicable
*4
Flat
1.5 4 From left to right : S1-Open-S2-S3
(18)
*2
Round
2.5 4
Clockwise: S1-S2-S3-Open
* Connect S1 and S3 to the opposite angle
(30)
*3
S1
S3 S2
(3C Flat cable × 2)
Note: Power supply cords of appliances shall not be lighter than design 60245 IEC or 227 IEC.
*1: In case that cable with stripe of yellow and green is available.
*2: In case of regular polarity connection (S1-S2-S3), wire size is 1.5 mm2.
*3: In case of regular polarity connection (S1-S2-S3).
*4: In the flat cables are connected as this picture, they can be used up to 30 m.
*5: Mentioned cable length is just a reference value.
It may be different depending on the condition of installation, humidity or materials, etc.