Mitsubishi Electronics MUZ-GE18NA Actuator Control, Outdoor FAN Motor Control, Coolheat

Page 22

8 ACTUATOR CONTROL

MUZ-GE09NA MUZ-GE12NA MUZ-GE15NA MUZ-GE18NA

MUY-GE09NA MUY-GE12NA MUY-GE15NA MUY-GE18NA

8-1. OUTDOOR FAN MOTOR CONTROL

The fan motor turns ON/OFF, interlocking with the compressor.

[ON] The fan motor turns ON 5 seconds before the compressor starts up.

[OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running.

5 seconds

15 seconds

ON

Compressor

OFF

ON

Outdoor fan motor

OFF

8-2. R.V. COIL CONTROL (MUZ)

Heating . . . . . . . . . . . . . . . . . ON

Cooling . . . . . . . . . . . . . . . . . OFF

Dry . . . . . . . . . . . . . . . . . . . . OFF

NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.

<COOL><HEAT>

 

 

 

5 seconds

 

 

 

 

 

5 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R.V.coil

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor fan ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

motor

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8-3. RELATION BETWEEN MAIN SENSOR AND ACTUATOR

 

 

 

 

 

 

 

 

 

Sensor

 

 

Purpose

 

 

 

 

 

 

 

Actuator

 

 

 

 

 

Compressor

LEV

 

 

Outdoor fan

R.V.coil

Indoor fan

 

 

 

 

 

 

 

 

 

 

 

motor

 

(MUZ)

motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discharge temperature

Protection

 

 

 

 

 

 

 

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor coil temperature

Cooling: Coil frost prevention

 

 

 

 

 

 

 

 

 

 

 

tion

 

 

 

 

 

 

 

 

 

 

thermistor

 

 

 

 

 

 

 

 

 

 

Heating: High pressure protec-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defrost thermistor (MUZ)

Heating: Defrosting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fin temperature thermistor

Protection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ambient temperature

Cooling: Low ambient tempera-

 

 

 

 

 

 

 

thermistor

ture operation

 

 

 

 

 

 

 

 

Cooling: Low ambient tempera-

 

 

 

 

 

 

 

Outdoor heat exchanger tem-

ture operation

 

 

 

 

 

 

 

perature thermistor

tion

 

 

 

 

 

 

 

Cooling: High pressure protec-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

Image 22
Contents Outdoor Unit Technical Changes Part Names and Functions Specification MUZ-GE09NA MUY-GE09NA MUZ-GE12NA MUY-GE12NAMUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NA Refrigerant charge R410A Lb ozSeer Operating RangeARI HspfOutlines and Dimensions Unit inchWiring Diagram MUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NA Ø3/8 GE12NA Refrigerant System DiagramLEV Ø1/2 GE15NAMUZ MUZ-GE09/12/15NA MUY-GE09/12/15NA GE15Data Performance DataMUZ-GE09NA MUY-GE09NA Performance Curve CoolingMUZ-GE12NAMUZ-GE15NA MUY-GE12NAMUY-GE15NA MUZ-GE09NA MUZ-GE12NA MUZ-GE18NA MUY-GE18NAHeating MUZ MUZ-GE15NA MUZ-GE18NAMUZ-GE12NA MUY-GE12NA Condensing Pressure CoolingMUZ-GE15NA MUY-GE15NA MUZ-GE09NA MUZ-GE15NA SHF Standard Operation DataMSZ-GE09NA MSZ-GE12NA MSY-GE09NA MSY-GE12NA MSZ-GE09NA, MSY-GE09NA MSZ-GE12NA, MSY-GE12NAMUZ-GE15NA MUZ-GE18NA MSZ-GE15NA MSZ-GE18NA MSY-GE15NA MSY-GE18NAMSZ-GE15NA, MSY-GE15NA MSZ-GE18NA, MSY-GE18NA MUZ-GE15NA MUZ-GE18NA MUY-GE15NA MUY-GE18NAHOW to Operate FIXED-FREQUENCY Operation Test run operation Correction of Cooling capacityR.V. Coil Control MUZ Actuator ControlOutdoor FAN Motor Control Relation Between Main Sensor and ActuatorChange in Defrost Setting MUZ Service FunctionsTroubleshooting PRE-HEAT Control SettingFailure Mode Recall Function Operational procedure Outdoor unit failure mode table LEDTroubleshooting Check Table GE09 GE12 GE15/18 Trouble Criterion of Main PartsGE09/12 GE15 GE18 Troubleshooting Flow How to check inverter/compressorCheck of open phase Check of compressorCheck of compressor start failure Check of compressor windingCheck of compressor operation time BLK WHT BLK RED WHT REDCheck of outdoor thermistors Unit operates Cool mode even if it is set to Heat modeUnit operates Heat mode even if it is set to Cool mode Check of R.V. coil MUZMUZ-GE09/12/15NA MUY-GE09/12/15NA Check of outdoor fan motorCheck of power supply Check of LEV Expansion valve Check of inverter P.C. board Emergency OperationHow to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Inverter P.C. board Test Point Diagram and VoltageLED LEV LED Disassembly Instructions Removing the cabinet PhotoPhoto Removing the discharge temperature thermistor Removing the inverter assembly, inverter P.C. board PhotoPhoto 4 Inverter assembly Removing R.V. coil MUZRemoving outdoor fan motor Photo Removing the compressor and 4-way valveMUZ-GE18NA MUY-GE18NA Operating Procedure Photos Removing R.V. coil Photo5Removing outdoor fan motor Page Page Distributed in Jul . No. OBH 549 New publication, effective JulMade in Japan

MUZ-GE09NA, MUZ-GE15NA, MUY-GE15NA, MUZ-GE18NA, MUZ-GE12NA specifications

Mitsubishi Electronics offers a range of advanced air conditioning systems, including the MUY-GE12NA, MUY-GE18NA, MUY-GE09NA, MUZ-GE12NA, and MUZ-GE18NA models. These units are designed for optimal energy efficiency and superior comfort, making them ideal for residential and commercial applications.

One of the standout features of these models is their inverter technology. By adjusting the compressor speed according to the cooling or heating demand, inverter systems provide precise temperature control while significantly reducing energy consumption compared to traditional units. This not only translates to lower utility bills but also less environmental impact.

The MUY-GE series units come with a user-friendly remote control that allows for easy adjustments of temperature settings, fan speeds, and operational modes. Smart operation modes include cooling, heating, and dehumidification, thereby catering to various climate needs. The units also include a programmable timer, enabling users to set the air conditioner to operate at specific times, enhancing convenience and efficiency.

Another impressive characteristic is the advanced air filtration system. Mitsubishi integrates a multi-stage filtration mechanism that includes a washable pre-filter, a pleated filter, and a high-performance deodorizing filter. This ensures cleaner indoor air by effectively reducing allergens, dust, and odors, contributing to a healthier living space.

The sleek and modern design of these units also allows for easy installation and compatibility with various interior settings. The MUY-GE09NA, MUY-GE12NA, and MUY-GE18NA indoor units are designed to be compact and unobtrusive, while the outdoor units (MUZ series) are engineered for durability and quiet operation.

Noise levels are another critical aspect where Mitsubishi excels. These air conditioning systems operate quietly, making them suitable for bedrooms, offices, and other noise-sensitive environments. Their Whisper-Quiet technology ensures that sound levels during operation remain low, promoting a peaceful atmosphere.

Mitsubishi Electronics ensures customer satisfaction with robust support and warranty options, emphasizing quality and reliability. In summary, the MUY-GE12NA, MUY-GE18NA, MUY-GE09NA, MUZ-GE12NA, and MUZ-GE18NA models stand out for their energy-efficient inverter technology, user-friendly controls, advanced air filtration, sleek design, and quiet operation, making them a smart choice for modern cooling and heating needs.