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Friedrich MW24Y3H User Manual

Friedrich MW24Y3H
28 pages
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SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Indoor unit Outdoor unit
MW18Y3H
MW24Y3H
MR18Y3H
MR24Y3H
CONTENTS
SPECIFICATIONS
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1
DIMENSIONS
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2
REFRIGERANT SYSTEM DIAGRAM
.....
4
CIRCUIT DIAGRAM
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5
ERROR DERECTION
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7INDOOR PCB CIRCUIT DIAGRAM
.......
10OUTDOOR PCB CIRCUIT DIAGRAM
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16
PARTS (INDOOR UNIT)
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18
PARTS (OUTDOOR UNIT)
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22
26
ACCESSORIES
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Friedrich MW24Y3H Specifications

General IconGeneral
BrandFriedrich
ModelMW24Y3H
CategoryAir Conditioner
LanguageEnglish

Summary

SPECIFICATIONS

ELECTRICAL DATA

Detailed electrical characteristics including capacity, power, current, and efficiency for indoor and outdoor units.

FAN MOTOR

Specifications for fan motor speed and power source for indoor and outdoor units.

NOISE LEVEL

Noise levels (dB) for indoor and outdoor units during cooling and heating operations.

COMPRESSOR AND REFRIGERANT

Details on compressor type, weight, refrigerant type, and charge for the system.

WEIGHT

Shipping and net weight specifications for indoor and outdoor units.

DIMENSIONS

INDOOR UNIT DIMENSIONS

Physical dimensions, pipe diameters, and unit measurements for the indoor unit.

OUTDOOR UNIT DIMENSIONS

Physical dimensions and measurements for the outdoor unit.

REFRIGERANT SYSTEM DIAGRAM

CIRCUIT DIAGRAM

INDOOR PCB CIRCUIT DIAGRAM

INDOOR INDICATOR PCB ASSEMBLY

OUTDOOR PCB CIRCUIT DIAGRAM

OUTDOOR TRANSISTOR PCB ASSEMBLY

OUTDOOR POWER SUPPLY PCB ASSEMBLY

OUTDOOR CAPACITOR PCB ASSEMBLY

ERROR DETECTION

SERIAL SIGNAL ERROR

Details on serial signal errors, including reverse and forward signal issues during startup and operation.

INDOOR UNIT THERMISTOR ERROR

Errors related to indoor unit thermistor circuits, indicating open or short conditions.

OUTDOOR UNIT THERMISTOR ERROR

Errors related to outdoor unit thermistor circuits, including open/short and temperature variations.

INDOOR UNIT CONTROL ERROR

Control errors for the indoor unit, such as relay welding, power interruption, and protection mechanisms.

OUTDOOR UNIT CONTROL ERROR

Control errors for the outdoor unit, covering trip errors, CT abnormalities, and fan drive system issues.

REFRIGERANT CYCLE ERROR

Errors associated with the refrigerant cycle, such as abnormal temperatures or pressure switch issues.

OPTIONAL FUNCTION ERROR

Errors related to optional functions, including filter voltage and PFC circuit issues.

MODEL INFORMATION ERROR

Error indication for model information display during startup.

OUTDOOR UNIT ERROR INDICATIONS

INDOOR UNIT PARTS

FRONT PANEL ASSEMBLY

Components related to the front panel, including the main assembly and individual panels.

INTAKE GRILLE AND AIR FILTER

Parts for air intake, including grille assembly and replaceable air filters.

CLAMPER GRILLE AND RECEIVER WINDOW

Components for securing parts and providing visibility, such as clamper grilles and receiver windows.

REMOTE CONTROL AND HOLDER

Accessories for remote operation, including the remote control unit and its holder.

INDOOR UNIT COMPONENTS

CASING AND COVERS

Various casing parts and covers for the indoor unit's structure and protection.

DRAINAGE AND MOUNTING PARTS

Components for water drainage and structural mounting, like drain hoses and pillars.

LOUVERS AND DIFFUSERS

Airflow control elements such as louvers and diffusers for directing air within the room.

FAN AND GUARD COMPONENTS

Parts related to the fan assembly and protective guards for the indoor unit.

INDOOR UNIT ASSEMBLY PARTS

EVAPORATOR AND BRACKET PARTS

Components related to the evaporator assembly and its supporting brackets.

FILTER AND FAN ASSEMBLY

Parts for air filtration and the main crossflow fan assembly.

THERMISTOR HOLDER

Component for mounting the room thermistor, ensuring accurate temperature readings.

INDOOR UNIT ELECTRONIC COMPONENTS

CONTROLLER AND CONTROL BOX

Main controller PCBs and associated control box and cover for unit management.

MOTORS AND TERMINALS

Various motors (DC brushless, step) and terminal connectors used in the indoor unit.

INDICATOR PCB AND THERMISTOR

Indicator PCB assembly and pipe thermistor for system monitoring and feedback.

OUTDOOR UNIT EXTERNAL PARTS

TOP AND FRONT PANELS

Main top and front panel assemblies for the outdoor unit's housing.

SERVICE AND SIDE PANELS

Panels providing access for servicing and covering the side of the outdoor unit.

ACCESSORY AND DRAINAGE PARTS

Miscellaneous parts like valve covers, protective nets, and drainage components.

OUTDOOR UNIT STRUCTURAL COMPONENTS

BASE AND WALL MOUNTING

Base assembly and separate wall sub-assembly for mounting the outdoor unit.

CONDENSER AND FAN ASSEMBLY

The condenser unit and its associated fan motor and propeller fan assembly.

MOTOR BRACKET AND VALVE PLATE

Bracket for mounting the fan motor and the valve plate component.

OUTDOOR UNIT REFRIGERATION PARTS

VALVES AND STRAINERS

Various valves (3-way, 4-way) and strainers essential for refrigerant flow control.

COMPRESSOR AND ACCUMULATOR

The main compressor, accumulator, and their support structures for the refrigeration cycle.

SOLENOID, SWITCH, AND MUFFLER

Solenoid, pressure switch, expansion valve, and muffler for system regulation and operation.

OUTDOOR UNIT ELECTRONIC AND SENSOR PARTS

PCB ASSEMBLIES AND CASES

Various PCB assemblies (Inverter, Capacitor, Transistor) and their associated cases.

POWER SUPPLY AND ACTPM

Power supply PCB assembly and ACTPM component for managing electrical functions.

SENSORS AND COILS

Thermistors for monitoring conditions and choke coils for electrical filtering.

ACCESSORIES

MOUNTING AND CONTROL ACCESSORIES

Items for installation and operation, including wall brackets, remote controls, and holders.

CONSUMABLES AND FILTRATION

Consumable items like batteries, tape, screws, and air cleaning filters.

PIPING AND DRAINAGE ACCESSORIES

Parts for refrigerant piping and water drainage, such as drain pipes and caps.

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