Mitsubishi Electronics PKA-A30KA4.TH Noise Criterion Curves, PKA-A24KA4.TH, PKA-A24KAL PKA-A30KAL

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5 NOISE CRITERION CURVES

PKA-A24KA4.TH						NOTCH		SPL(dB)	LINE
		-
PKA-A30KA4.TH							High	45
PKA-A30KA4.TH							Low	39
PKA-A24KAL							Low	39
PKA-A24KAL
PKA-A30KAL
	90
μbar)	80
μbar)
dB(0dB=0.0002	70								NC-70
									NC-70
	60
LEVEL,	60
									NC-60

PRESSURE	50
									NC-50
	40
SOUND	40
									NC-40

BAND	30
									NC-30

OCTAVE	20	APPROXIMATE
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS							NC-20
		NOISE
	10	63	125	250	500	1000	2000	4000	8000
		63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

PKA-A36KA4.TH
	NOTCH SPL(dB) LINE

						High		49
						Low		43
	90
)
μbar	80
μbar
0.0002	70
dB (0dB=	70								NC-70
									NC-70
	60
LEVEL,	60
									NC-60

PRESSURE	50
									NC-50

BAND SOUND	40
									NC-40
	30								NC-30
OCTAVE									NC-30
OCTAVE	20	APPROXIMATE
	20	THRESHOLD OF
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS
	10	NOISE
	10	63	125	250	500	1000	2000	4000	8000
		63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

UNIT

WALL

3.3ft

MICROPHONE

Image 8

Contents Parts Catalog OCB488 ContentsRevised EDITION-A Remote controller Optional parts Reference ManualSafety Precaution Always Observe for SafetyFront grille When charging directly from cylinderPart Names and Functions Display Section Operation SectionOperation Mode display Mode Select buttonTemperature setting display Timer displaySpecifications Service RefNoise Criterion Curves PKA-A24KA4.THPKA-A30KA4.TH PKA-A24KAL PKA-A30KALUnit inch mm Outlines and DimensionsPKA-A24KA4.TH PKA-A30KA4.TH PKA-A36KA4.TH Wiring Diagram Explanation of symbolsRefrigerant System Diagram Heat exchangerAccording to 9-4. Troubleshooting by inferior phenomena TroubleshootingTroubleshooting MALFUNCTION-DIAGNOSIS Method by Remote Controller ProcedureWired remote controller Case of trouble during operationU9,UH Wired remote controller LED 1, 2 PCB in outdoor unit Unit’s power terminal block L1, L2, GRAppear even when operation Remote controller wire shortSELF-DIAGNOSIS Action Table Pipe temperature OperatingCause Countermeasure Pipe temperature thermistor Remote controller transmissionErrorE0/signal receiving errorE4 Condenser-Evaporator TH5Error Signal receiving error Error Transmitting errorRemote controller control board Indoor/outdoor unit communicationTroubleshooting by Inferior Phenomena Phenomena Cause Countermeasure 1Upward/downward vanePerformance failure ControllerWhen the remote controller cannot be used Emergency OperationHeat pump type Cooling Only typeLower temperature Condenser/evaporator temperatureThermistor Thermistor TH5Sensor signal check DC Fan motor fan motor/indoor controller circuit boardTest Point Diagram Functions of DIP Switch and Jumper Wire Special Function OperationRotation function and Back-up function Outline of functions System constraintRequest Code List Rotation setting2nd stage cut-in setting 2nd unit Cut-outHow to connect Setting method of each function by wired remote controllerBACK-UP Heating Function CN152 Outline of functionsDisassembly Procedure Operation Procedure Photos & IllustrationsBe careful when removing heavy parts PhotoVane Motor and Drain Hose Operation Procedure PhotosRemoving the Nozzle Assembly with Vane Disconnect the connector CN44 on the indoor controller Remove the panel and the corner box. Refer to stepRemove the screw fixing motor band. See Photo Remove the liquid pipe thermistor and cond / eva thermistorRemove the room temperature thermistor Disconnect the connector CN20 on the indoor controller Board

PKA-A36KA4.TH, PKA-A30KA4.TH, PKA-A24KA4.TH specifications

Mitsubishi Electronics introduces its PKA series of commercial air conditioners, comprising models PKA-A24KA4.TH, PKA-A30KA4.TH, and PKA-A36KA4.TH. These units are designed to meet the growing demand for energy-efficient and reliable climate control solutions in commercial spaces. Each model in the series is equipped with advanced features that set them apart in the competitive air conditioning market.

One of the main features of the PKA series is the innovative inverter technology. This technology enables the air conditioning units to adjust their cooling or heating output according to the indoor temperature, leading to significant energy savings. By operating at varying speeds rather than a constant rate, the inverter system provides a more consistent and comfortable environment while reducing energy consumption by up to 30% compared to traditional fixed-speed systems.

Another standout characteristic of the PKA-A24KA4.TH, PKA-A30KA4.TH, and PKA-A36KA4.TH models is their compact design. These units are designed for easy installation in various commercial settings while taking up minimal space. This is particularly beneficial for businesses looking to optimize their floor space without compromising climate control efficiency.

The PKA series features advanced filtration technology, including a highly efficient air purification system. This enhances indoor air quality by removing dust, allergens, and other airborne pollutants, creating a healthier environment for occupants. The inclusion of a self-cleaning function also contributes to maintenance ease, as the unit automatically cleans the heat exchanger, preventing dust buildup and ensuring efficient operation.

Mitsubishi's commitment to whisper-quiet operation is another critical feature of these models. They are engineered to operate at sound levels as low as 19 dB(A), making them ideal for environments where noise control is essential, such as offices, hotels, or healthcare facilities.

Moreover, the PKA series is compatible with Mitsubishi's sophisticated control systems, allowing users to manage their air conditioning remotely via smartphone or tablet. This level of control enhances user convenience and maximizes system efficiency by enabling real-time adjustments based on occupancy and other factors.

Overall, the Mitsubishi Electronics PKA-A24KA4.TH, PKA-A30KA4.TH, and PKA-A36KA4.TH units represent a perfect blend of modern technology and user-centric design, providing businesses with effective, efficient, and quiet climate control solutions. With their advanced features, energy-saving capabilities, and emphasis on air quality, these models stand out as premier choices for managing environmental comfort in commercial applications.

5 NOISE CRITERION CURVES

PKA-A24KA4.TH

PKA-A30KA4.TH

PKA-A24KAL

PKA-A30KAL

OCTAVE

PKA-A36KA4.TH

High

Low

PKA-A36KA4.TH, PKA-A30KA4.TH, PKA-A24KA4.TH specifications