Mitsubishi Electronics MUY-ANA, MS-AWA, MUZ-ANA - U, MU-AWA MS-A09WA MU-A09WA MS-A12WA MU-A12WA

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1. MS MICROPROCESSOR CONTROL ···························································4

Indoor unit models Outdoor unit models

MS-A09WA MU-A09WA

MS-A12WA MU-A12WA

1-1. COOL OPERATION ···············································································4

1-2. DRY OPERATION ··················································································4

1-3. AUTO VANE OPERATION·····································································6

2. MSZ, MSY MICROPROCESSOR CONTROL ···············································7

Indoor unit models

MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSZ-A24NA MSY-A15NA MSY-A17NA MSY-A24NA

Outdoor unit models

MSZ-FD09NA MUZ-A09NA MUZ-FD09NA MSZ-FD12NA MUZ-A12NA MUZ-FD12NA MSZ-D30NA MUZ-A15NA MUZ-D30NA MSZ-D36NA MUZ-A17NA MUZ-D36NA MSY-D30NA MUZ-A24NA MUY-D30NA MSY-D36NA MUY-A15NA MUY-D36NA MUY-A17NA

MUY-A24NA

2-1. COOL OPERATION ··············································································7

2-2. DRY OPERATION ·················································································8

2-3. HEAT OPERATION ···············································································8

2-4. AUTO CHANGE OVER ··· AUTO MODE OPERATION ·····················10

2-5. OUTDOOR FAN MOTOR CONTROL················································· 11

2-6. AUTO VANE OPERATION·································································· 11

2-7. INVERTER SYSTEM CONTROL························································12 2-8. OPERATIONAL FREQUENCY CONTROL OF OUTDOOR UNIT ·····17

2-9. EXPANSION VALVE CONTROL (LEV CONTROL)···························18

3.MXZ MICROPROCESSOR CONTROL·······················································21

Outdoor unit models

MXZ-2A20NA

MXZ-3A30NA

MXZ-4A36NA

3-1. INVERTER SYSTEM CONTROL·························································21

3-2. EXPANSION VALVE CONTROL (LEV CONTROL) ····························23

3-3. OPERATIONAL FREQUENCY RANGE ··············································29

3-4. HEAT DEFROSTING CONTROL·························································30

3-5. DISCHARGE TEMPERATURE PROTECTION CONTROL·······················30

3-6. OUTDOOR FAN CONTROL ································································30

3-7. PRE-HEAT CONTROL·········································································31

3-8. COOL OPERATION····················································································31

3-9. DRY OPERATION·································································· BACK COVER

3-10. HEAT OPERATION ···························································BACK COVER

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Contents Revised EDITION-B ContentsRevision a MXZ-2A20NA MXZ-3A30NA MXZ-4A36NA MS-A09WA MU-A09WA MS-A12WA MU-A12WACool Operation MS-AWA MU-AWAOperation time chart Example When the room temperature is under 73 FHorizontal vane Auto Vane OperationMSZ-A MSY-A MSZ-FD MSZ-D MSY-D Low outside temperature operationMSZ-ANA MSY-ANA MSZ-FDNA MSY-DNA MSZ-DNA MUZ-ANA MUY-ANA MUZ-FDNA MUY-DNA MUZ-DNAHeat Operation MSZ Defrosting MSZ-A24Gradation of fan speed in initial Overload startingMode selection Auto Change Over ··· Auto Mode Operation MSZOutdoor FAN Motor Control MUZ-A MUY-AMUZ-FD MUZ-D MUY-D Inverter System Control MUZ-FDFunction of main parts MUZ-A24 MUY-A24 MUZ-D MUY-D Input current waveform without PAM Outline of simple partial switching methodAt normal operation Purpose of PAM adoptionIntelligent power module Elimination of electrical noiseCompressor Control Method of Rotation Times Sine wave controlOperational Frequency Control of Outdoor Unit MUZ-FD09MUZ-FD12 Pulse MUZ-A09/12/15/17 MUY-A15/17 Cool · DRY ModeHeat Mode Expansion Valve Control LEV ControlMUZ-A24 MUZ-A09/12MUZ-A15/17 MUY-A15/17260 MXZ-ANA Inverter main power supply circuitProtects transistors from over current Opening before stop → 500 pulse in 15 minutes MXZ-3A30NA MXZ-2A20NA/3A30NAMXZ-2A20NA Cool HeatMXZ-3A30NA MXZ-2A20NAMXZ-4A36NA MXZ-2A20NA Exclusive LEVReceiver LEV MXZ-3A30NA Exclusive LEVCool DRY Heat MXZ-3A MXZ-4A MXZ-2A20NAMXZ-3A30NA MXZ-2A∆RT Operational Frequency RangeMXZ-4A Discharge Temperature Protection ControlHeat Defrosting Control Outdoor FAN ControlPRE-HEAT Control MXZ-2A20NA- 1 MXZ-3A30NA MXZ-4A36NA Made in Japan DRY OperationHeat Operation High pressure protection
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MSZ-FDNA, MUZ-FDNA - U, MUZ-FDNA, MUZ-ANA - U, MUY-ANA specifications

Mitsubishi Electronics has long been a leader in the HVAC (heating, ventilation, and air conditioning) industry, consistently delivering cutting-edge technology and innovative solutions. The MUZ-ANA, MUZ-ANA - U, MU-AWA, MUZ-FDNA, and MS-AWA models exemplify the company's commitment to efficiency, comfort, and advanced engineering.

The MUZ-ANA series is designed for residential and light commercial applications, offering powerful cooling and heating performance. One of the key features is its inverter technology, which allows for variable-speed operation. This means that the system can adjust the compressor speed according to the temperature demands, leading to significant energy savings and consistent comfort levels throughout the space. Additionally, the MUZ-ANA series operates quietly, ensuring a pleasant indoor environment.

The MUZ-ANA - U model takes energy efficiency a step further by incorporating a top-tier seasonal energy efficiency ratio (SEER) and heating seasonal performance factor (HSPF). This model is designed to maximize comfort while minimizing energy consumption, making it ideal for eco-conscious consumers.

The MU-AWA series is specifically tailored for larger spaces, making it suitable for commercial settings. Its robust design ensures reliability even under the most demanding conditions. Key features include advanced filtration systems that improve indoor air quality by trapping particulates and allergens, preferred by businesses aiming for a healthier environment.

The MUZ-FDNA model stands out for its sleek, compact design that fits seamlessly into various installation contexts, making it flexible for diverse architectural styles. It also features a built-in drain pan that helps in moisture removal, preventing mold growth and enhancing system longevity.

The MS-AWA model is particularly noteworthy for its smart connectivity options, allowing users to control their HVAC system via mobile devices. This feature empowers users to monitor and adjust temperatures remotely, providing added convenience and efficiency.

In summary, the Mitsubishi Electronics MUZ-ANA, MUZ-ANA - U, MU-AWA, MUZ-FDNA, and MS-AWA models feature state-of-the-art technology geared towards maximizing efficiency, comfort, and reliability. From inverter technology to smart connectivity, these units are designed to meet modern consumer demands while emphasizing sustainability and performance. With Mitsubishi Electronics, you can be assured of exceptional quality and technological advancement in HVAC solutions.