Mitsubishi Electronics MUZ-FD09NA service manual 65 70F

Page 12

Heating

Data is based on the condition of outdoor humidity 75 %. Air flow should be set to High speed.

Data is for heating operation without any frost.

MUZ-FD09NA

(PSIG)

	400
	400
	380

		°F)
	360	ure(	75
	360	perat
		perat
		tem	70
	340	DB	70
	340	oor		65
pressure	320	Ind
	320
	300
	300
Condensing	280


	220
	260
	260
	240
	240		58Hz
			58Hz

200

180

160

140

1420 25 30 35 40 45 50 55 60 65 70(°F) Outdoor ambient temperature

MUZ-FD12NA

(PSIG)
	170
																						75
																						75
	160																					70
																						70
																						65
																						65
	150



pressure	140														(°F)
pressure	120											temperature
	130
Suction	110									oor	DB
										oor
									Ind								58Hz
	100
	100
	90


	80


	70


	60


	14			20		25		30		35	40		45	50		55		60		65 70(°F)

Outdoor ambient temperature

(PSIG)

	400
	380
	380										temperature(°F)										70
	360																				75
	360

	340						Indoor		DB												65
	340																				65
pressure	320
	320
	300


Condensing	280


	220
	260
	260
	240

																58Hz
	200



	180


	160
	160
	140
	140
	14	20		25		30		35		40		45	50		55		60		65 70(°F)

Outdoor ambient temperature

(PSIG)

	170																						75



	160																						70
	160																						65
	150																						65



pressure	140													ure		(°F)
	120													ure

											temperat
	130
Suction										DB
Suction	110						Indoor											58Hz
	100


	90


	80


	70


	60


	14	20		25		30		35		40		45		50			55		60		65 70(°F)

Outdoor ambient temperature

12

Image 12

Contents MUZ-FD09NA MUZ-FD09NA- U1 MUZ-FD12NA MUZ-FD12NA- U1 Page Technical Changes Part Names and FunctionsSpecification MUZ-FD09NA MUZ-FD12NATest condition Operating RangeOutlines and Dimensions Required SpaceWiring Diagram Refrigerant System Diagram MAX. Refrigerant Piping Length and MAX. Height DifferenceData Performance Curve Cooling MUZ-FD09NA MUZ-FD12NAHeating MUZ-FD09NACondensing Pressure Cooling Condensing pressure65 70F Standard Operation Data MSZ-FD09NA MSZ-FD12NATest RUN Operation How to operate fixed-frequency operation Correction of Heating capacityActuator Control Outdoor FAN Motor ControlR.V. Coil Control Relation Between Main Sensor and ActuatorService Functions TroubleshootingChange in Defrost Setting PRE-HEAT Control SettingFailure Mode Recall Function OFFOperational procedure Outdoor unit failure mode table Troubleshooting Check Table Page Trouble Criterion of Main Parts MUZ-FD09NAMUZ-FD12NA WHT REDHow to check inverter/ compressor Check of open phaseTroubleshooting Flow Check of compressorCheck of compressor winding Check of compressor operation timeCheck of compressor start failure Unit operates Cool mode even if it is set to Heat mode Unit operates Heat mode even if it is set to Cool modeCheck of outdoor thermistors Check of R.V. coilCheck of power supply Check of outdoor fan motorCheck of LEV Expansion valve Check of inverter P.C. board Emergency OperationPage Electromagnetic noise enters into TV sets or radios Outdoor unitTest Point Diagram and Voltage Inverter P.C. boardDisassembly Instructions Removing the cabinet PhotoRemoving the inverter assembly, inverter P.C. board Photo Photo 4 inverter assemblyPhoto Removing the discharge temperature thermistor Removing R.V. coilRemoving outdoor fan motor Photo Removing the compressor and 4-way valvePage New publication, effective Jan

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MUZ-FD09NA specifications

The Mitsubishi Electronics MUZ-FD09NA is a highly efficient and versatile air conditioning unit designed for both residential and light commercial applications. This model is part of Mitsubishi's advanced range of split-system air conditioners which emphasize energy efficiency, comfort, and innovative technology.

One of the standout features of the MUZ-FD09NA is its energy efficiency. The unit boasts an impressive SEER (Seasonal Energy Efficiency Ratio) rating, which translates to reduced energy consumption and lower utility bills. This makes it an eco-friendly option for users looking to minimize their carbon footprint while enjoying comfortable indoor climates year-round.

The MUZ-FD09NA utilizes advanced inverter technology, which enables the compressor to adjust its speed based on the cooling or heating demand. This not only enhances comfort by maintaining a steady temperature but also significantly reduces energy consumption compared to traditional fixed-speed systems. Additionally, the inverter technology allows for quieter operation, making it ideal for use in bedrooms or study areas where noise can be disruptive.

For air purification, the MUZ-FD09NA is equipped with a high-efficiency filtration system that removes dust, allergens, and other particles from the air. This feature is especially beneficial for individuals with allergies or respiratory issues, ensuring cleaner and healthier indoor air quality.

In terms of user convenience, the unit comes with a user-friendly remote control, allowing for easy adjustment of settings from a distance. Some models may also offer Wi-Fi capability, enabling users to control their air conditioning unit through a smart device, even when away from home.

The MUZ-FD09NA is designed to operate in a wide range of temperatures, making it suitable for various climates. It can effectively provide cooling in the summer and heating in the winter, ensuring comfort throughout the year.

Furthermore, the unit features a compact and sleek design, allowing for easy installation in a variety of spaces without compromising aesthetics.

Overall, the Mitsubishi Electronics MUZ-FD09NA combines energy efficiency, advanced technology, and user-friendly features, making it a reliable choice for maintaining a comfortable indoor environment. Whether for residential or light commercial use, this air conditioning unit stands out as an effective solution for climate control needs.