Mitsubishi Electronics PLA-A-AA Electrical work, Remove the two electrical wiring service panels

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6. Electrical work

A

G

F

6.1. Indoor unit (Fig. 6-1)

B

1.

Remove the two electrical wiring service panels.

 

 

 

C

L2 GR

2.

Wire the power cable and control cable separately through the respective wiring

 

S1 S2 S3 L1

 

entries given in the diagram.

 

 

 

 

 

 

 

Do not allow slackening of the terminal screws.

 

 

 

• Leave excess cable so that the electrical box can be suspended below the unit

 

 

 

 

during servicing. (Approx. 50 to 100 mm, 2 to 4 inch)

E

D

1

2

 

H

 

J,K

 

 

 

 

I

AEntry for control cable B Entry for power

C Clamp

D Service panel for indoor controller switch setting E Service panel for electrical wiring

F Power supply terminals (separate indoor/outdoor unit power supplies, K-control application)

G Indoor / Outdoor unit connecting terminals H Remote controller connector

ISecure with the clamp

JIntake sensor

KHolder

Fig. 6-1

6.1.1.Indoor unit power supplied from outdoor unit (A-control application)

The following connection patterns are available.

The outdoor unit power supply patterns vary on models.

1:1 System

CF

L1

 

 

A B L2

D

 

GR

 

S1

 

S1

S2

 

S2

S3

 

S3

 

G E

21

AOutdoor unit power supply

BWiring circuit breaker or isolating switch

COutdoor unit

DIndoor unit/outdoor unit connecting cords

ERemote controller

FIndoor unit

GIndoor unit earth

*Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.

Simultaneous twin system

A B

C

L1

L2

GR

S1

S2

S3

F

D

S1

S2

S3

GE 12

F

S1

S2

S3

1

2G

AOutdoor unit power supply

BWiring circuit breaker or isolating switch

COutdoor unit

DIndoor unit/outdoor unit connecting cords

ERemote controller

FIndoor unit

GIndoor unit earth

* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.

Indoor unit model

 

PLA-A12, 18, 24, 30

PLA-A36, 42

Indoor unit power supply

 

Minimum circuit ampacity

 

1A

2A

Maximum rating of overcurrent protective device

 

15A

15A

 

WireNo.size

Indoor unit power supply

 

Wiring

Indoor unit power supply earth

 

Indoor unit-Outdoor unit

*1

3 AWG16 (polar)

3 AWG16 (polar)

Indoor unit earth

 

1 Min. AWG16

1 Min. AWG16

 

Remote controller-Indoor unit

*2

2 AWG22 (Non-polar)

2 AWG22 (Non-polar)

 

 

Circuit

rating

Indoor unit L1-L2

*3

Indoor unit-Outdoor unit S1-S2

*3

AC 208/230 V

AC 208/230 V

Indoor unit-Outdoor unit S2-S3

*3

DC24 V

DC24 V

 

Remote controller-Indoor unit

*3

DC12 V

DC12 V

 

 

*1. Max. 50 m, 165 ft

*2. The 10 m, 30 ft wire is attached in the remote controller accessory. Max. 500 m, 1500 ft

*3. The figures are NOT always against the ground.

S3 terminal has DC 24 V 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.Use copper supply wires.

3.Use wires rated 300V or more for the power supply cables and the indoor unit/outdoor unit connecting cables.

4.Install an earth longer than other cables.

7

Image 7
Contents Air-Conditioners Safety precautions ContentsRefrigerant and drainage piping locations of indoor unit Installation locationInstalling the indoor unit Check the indoor unit accessories FigBranch duct hole and fresh air intake hole Fig Unit suspension procedures Fig13/16 For devices that use R410A refrigerant Installing the refrigerant pipingPrecautions Connecting pipes FigDrainage piping work Fig Drainage piping workIndoor unit Fig For twin/triple combinationDo not allow slackening of the terminal screws Remove the two electrical wiring service panelsEntries given in the diagram Electrical workL2 G B Power supplies onlyFor cooling only models Dip switch SW5-2 and SW5-3 is effective onlyControl application For heat pump modelsFor wired remote controller Remote controllerFor wireless remote controller Assigning a remote controller to each unit Fig Function settingsFunction setting on the unit Selecting the unit functions Function setting on the remote controllerBefore test run Using wired remote controller FigUsing wireless remote controller Fig Test runSelf-check Using SW4 in outdoor unitWired remote controller Fig Wireless remote controller FigCheck of drainage Fig System control Installing the grilleLocking the up/down airflow direction Fig Installing the wireless sensor FigCheck ⋅ 8 as shown in the illustration Easy maintenance function This function only for A-controlInstalling the intake grille Fig Display example Comp discharge temperature 147 FBG79U795H01

PLA-A-AA specifications

The Mitsubishi Electronics PLA-A-AA series is a cutting-edge range of air conditioning units designed to provide efficient cooling and heating solutions for various applications, from residential to commercial environments. This series stands out due to its innovative technology and user-friendly features.

One of the main highlights of the PLA-A-AA series is its use of advanced inverter technology. This technology allows the units to dynamically adjust their power output based on the current temperature conditions, ensuring that the desired climate is maintained efficiently. By minimizing energy consumption during operation, these systems can lead to significant savings on utility bills.

Additionally, the PLA-A-AA series is equipped with a built-in AI-driven control system that enhances user experience. This smart feature learns the user’s preferences and adjusts the operation accordingly, optimizing comfort while ensuring energy efficiency. The integration of smart technology also allows for remote control capabilities through mobile applications, enabling users to adjust settings from anywhere.

A notable characteristic of the PLA-A-AA units is their quiet operation. Designed with noise-reduction technology, these units operate at low decibel levels, making them ideal for settings where noise can be a concern, such as bedrooms and offices. This attention to sound design ensures that users can enjoy a peaceful environment without disruption.

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Moreover, the units in this series are known for their durability and reliability. Constructed with high-quality materials and designed to withstand various climatic conditions, the PLA-A-AA series promises long-lasting performance. Regular maintenance is also simplified due to easily accessible components, helping to prolong the life of the unit.

In conclusion, the Mitsubishi Electronics PLA-A-AA series exemplifies the perfect blend of advanced technology, energy efficiency, and user-friendly features. With its inverter technology, smart control options, quiet operation, and commitment to sustainability, this range is an ideal choice for anyone seeking a dependable air conditioning solution.