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Electrical Work - Mitsubishi Electric PUHZ-SP125VKA Installationshandbuch

Puhz-sp v/yka series
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6. Electrical work

6.1. Outdoor unit (Fig. 6-1, Fig. 6-2)
1 Remove the service panel.
2 Wire the cables referring to the Fig. 6-1 and the Fig. 6-2.
S1
S2
S3
B
L N
S1
S2
S3
D
For Power
For Power
D
B
E
Fig. 6-1
6.2. Field electrical wiring
Outdoor unit model
Outdoor unit power supply
Outdoor unit input capacity Main switch (Breaker)
Outdoor unit power supply
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Remote controller-Indoor unit
Outdoor unit L-N (single)
Outdoor unit L1-N, L2-N, L3-N (3 phase)
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Remote controller-Indoor unit
*1. A breaker with at least 3.0 mm contact separation in each poles shall be provided. Use earth leakage breaker (NV).
Make sure that the current leakage breaker is one compatible with higher harmonics.
Always use a current leakage breaker that is compatible with higher harmonics as this unit is equipped with an inverter.
The use of an inadequate breaker can cause the incorrect operation of inverter.
*2. Max. 45 m
If 2.5 mm
2
used, Max. 50 m
If 2.5 mm
2
used and S3 separated, Max. 80 m
• Use one cable for S1 and S2 and another for S3 as shown in the picture.
• Max. 50 m Total Max. for PEA. Wiring size 3 × 1.5 (Polar).
*3. The 10 m wire is attached in the remote controller accessory.
*4. The figures are NOT always against the ground.
S3 terminal has 24 VDC against S2 terminal. However between S3 and S1, these terminals are NOT electrically insulataed by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cords and Indoor/Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord. (Design 60245 IEC 57)
3. Use an earth wire which is longer than the other cords so that it will not become disconnected when tension is applied.
Power supply
Isolator
S1
A-Control
S2
Outdoor Unit
S3
Never splice the power cable or the indoor-outdoor connection cable, otherwise it may result in a smoke, a fire or communication failure.
A
A Indoor unit
B Outdoor unit
C
C Remote controller
D Main switch (Breaker)
E Earth
A
A
C
E
E
SP125V
~/N (single), 50 Hz, 230 V
*1
32 A
3 × Min. 6
*2
3 × 1.5 (Polar)
*2
1 × Min. 1.5
*3
2 × 0.3 (Non-polar)
*4
230 VAC
*4
230 VAC
*4
24 VDC
*4
12 VDC
3 poles isolator
I
A
F Termial block
G Indoor/Outdoor connection terminal block (S1, S2, S3)
H Service panel
I Clamp
* Clamp the cables so that they do not contact the center of the service panel or the gas valve.
J Earth terminal
Note :
If the protective sheet for the electrical box is removed during servicing, be sure to
reinstall it.
Caution:
Be sure to install N-Line. Without N-Line, it could cause damage to unit.
SP140V
~/N (single), 50 Hz, 230 V
40 A
3 × Min. 6
3 × 1.5 (Polar)
1 × Min. 1.5
2 × 0.3 (Non-polar)
230 VAC
230 VAC
24 VDC
12 VDC
Warning:
• In case of A-control wiring, there is high voltage potential
S1
on the S3 terminal caused by electrical circuit design that
has no electrical insulation between power line and com-
A-Control
S2
munication signal line. Therefore, please turn off the main
Indoor Unit
power supply when servicing. And do not touch the S1,
S2, S3 terminals when the power is energized. If isolator
S3
should be used between indoor unit and outdoor unit,
please use 3-pole type.
SP125, 140V
L N
SP100, 125, 140Y
L1 L2 L3 N
Fig. 6-2
SP100, 125, 140Y
3N~ (3 ph 4-wires), 50 Hz, 400 V
16 A
5 × Min. 1.5
3 × 1.5 (Polar)
1 × Min. 1.5
2 × 0.3 (Non-polar)
230 VAC
230 VAC
24 VDC
12 VDC
S1 S2 S3
S1 S2 S3
9

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Puhz-sp140vka

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