Mitsubishi Electronics PKA-A-GA Electrical work, Indoor unit Fig, PG connection or the like

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6. Electrical work

A

H I G J K

1 2

S2 S3

L1 L2 GR S1

6.1. Indoor unit (Fig. 6-1)

1. Remove the corner box.

F2. Install each wire into the unit.

3. Open the front grill, remove 1 tapping screw and remove the terminal block cover.

BA Terminal block cover

4.Connect each wire properly to the terminal block.

 

•

In consideration of future servicing, please leave some leeway for the wiring length.

 

5.

Put all the parts back the way they were.

C

6.

Use a clamp from the bottom of the electric parts box to fasten each wire.

s Fix power source wiring to control box using buffer bushing for tensile force.

 

(PG connection or the like.)

DA means for the disconnection of the supply with an isolation switch, or similar de- vice, in all active conductors shall be incorporated in the fixed wiring.

B Terminal block for Indoor/outdoor connecting

EC Terminal block for power supply (separate indoor/outdoor unit power supplies, K-control ap-

G plication)

DEarth point

EClamp

FTerminal block for remote controller (Only for PKA-A·GA)

GConduit plate

HBush (Purchased locally)

ILock nut (Purchased locally)

JConnector (Purchased locally)

KConduit (Purchased locally)

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.

A B

C

L1

L2

GR

S1

S2

S3

1:1 System

F

D

S1

S2

S3

GE 12

AOutdoor unit power supply

BWiring circuit breaker or isolating switch

COutdoor unit

DIndoor unit/outdoor unit connecting cords

ERemote controller (Only for PKA-A·GA)

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

F

D

 

S1

S1

 

 

 

 

S2

S2

 

 

S3

S3

G

E

1

1

 

2

2

G

AOutdoor unit power supply

BWiring circuit breaker or isolating switch

COutdoor unit

DIndoor unit/outdoor unit connecting cords

ERemote controller (Only for PKA-A·GA)

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

 

PKA

Indoor unit power supply

 

–

Minimum circuit ampacity

 

1A

Maximum rating of overcurrent protective device

 

15A

 

WireNo.⋅size

Indoor unit power supply

 

–

Wiring

Indoor unit power supply earth

 

–

Indoor unit-Outdoor unit

*1

3 ⋅ AWG16 (polar)

Indoor unit earth

 

1 ⋅ Min. AWG16

 

Remote controller-Indoor unit

*2

2 ⋅ AWG22 (Non-polar)

 

 

Circuit

rating

Indoor unit L1-L2

*3

–

Indoor unit-Outdoor unit S1-S2

*3

AC 208/230 V

Indoor unit-Outdoor unit S2-S3

*3

DC24 V

 

 

Remote controller-Indoor unit

*3

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 <Only for PKA-A·GA>

*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

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Contents Air-Conditioners Safety precautions ContentsInstalling the indoor unit Installation locationMounting the indoor unit When embedding pipes into the wall FigInstalling the wall mounting fixture Preparing the indoor unitFor devices that use R410A refrigerant Installing the refrigerant pipingPrecautions Connecting pipes FigDrainage piping work Fig Drainage piping workPositioning refrigerant and drain piping Refrigerant piping FigPut all the parts back the way they were Connect each wire properly to the terminal blockElectrical work Indoor unit FigL2 G B Power supplies onlyFor heat pump models Control applicationFor heat pump models For cooling only models For 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 FigPower for remote controller Outdoor unit fan safeguard stopFor about 2 minutes following power-on, operation Power-on Rect operationStable operation Easy maintenance function This function only for A-controlBG79U874H01

PKA-A-GA specifications

Mitsubishi Electronics has long been a key player in the realm of air conditioning and climate control technologies, offering a range of innovative solutions that cater to both residential and commercial needs. Among their impressive lineup, the Mitsubishi PKA-A-GA stands out as a noteworthy model known for its advanced features, efficiency, and reliability.

The Mitsubishi PKA-A-GA is a wall-mounted air conditioning unit specifically designed for easy installation and optimal performance. One of its main features is the sleek and modern design, which allows it to blend seamlessly with various interior settings. Its compact form factor saves space while maximizing cooling efficiency.

This model utilizes cutting-edge inverter technology, which significantly enhances energy efficiency. By adjusting the compressor speed according to the cooling demand, the PKA-A-GA maintains a consistent temperature while reducing energy consumption. This not only lowers utility bills but also contributes to a more sustainable operation, making the unit eco-friendly.

A remarkable characteristic of the PKA-A-GA is its advanced air filtration system. Equipped with a high-performance filter, the unit effectively removes allergens, dust, and other particulates from the indoor air, ensuring a cleaner and healthier environment. Additionally, the unit features a self-cleaning function, which helps maintain the filter's efficiency by reducing the buildup of dust and other particles.

Another compelling aspect of the Mitsubishi PKA-A-GA is its whisper-quiet operation. The unit is designed to minimize noise, making it ideal for bedrooms, offices, and other spaces where tranquility is essential. This is particularly beneficial for users who require a calm atmosphere for work or relaxation.

Furthermore, the PKA-A-GA is compatible with smart controls, allowing users to operate and monitor their air conditioning system remotely via smartphones or tablets. This feature adds convenience and lets users optimize their energy consumption even when they're away from home.

Lastly, the durability of the Mitsubishi PKA-A-GA is noteworthy. Built with high-quality materials and robust components, this air conditioning unit is designed to withstand the rigors of daily use while providing reliable performance over the years.

Overall, the Mitsubishi PKA-A-GA is an exceptional air conditioning solution, blending efficiency, smart technology, and user-friendly features into a compact design. Whether for residential or commercial applications, it promises to deliver comfort and satisfaction in an ever-evolving climate.
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