Fuji Electric Split Type Room Air Conditioner - Wall Mounted Service Manual

Product Overview

This service manual provides detailed information for the Fuji Electric Split Type Room Air Conditioner, Wall Mounted type.

The system utilizes Refrigerant R410A.

Models Covered:

• Indoor Units: RSA07LCC, RSA09LCC
• Outdoor Units: ROR07LCC, ROR09LCC

Specifications

General Specifications

Electrical Data

Performance Data

Compressor Details

Fan Motor Specifications

Dimensions

Dimensions are provided in millimeters (mm).

Indoor Unit Dimensions

Height: 275 mm, Width: 790 mm, Depth: 215 mm

Outdoor Unit Dimensions

Height: 540 mm, Width: 660 mm, Depth: 290 mm

Weight

Noise Level

Refrigerant (R410A)

Refrigerant System Diagram

The refrigerant system diagram illustrates the flow of refrigerant through the air conditioning unit. Key components include:

• Compressor
• Muffler
• 3-Way Valve
• Heat Exchanger (Indoor)
• 4-Way Valve
• Heat Exchanger (Outdoor)
• Expansion Valve
• Strainer (x2)

Flow directions are indicated by arrows: solid arrows represent the Cooling cycle, and dashed arrows represent the Heating cycle.

Refrigerant pipe diameters are specified as:

• Liquid Line: 1/4" (6.35 mm)
• Gas Line: 3/8" (9.52 mm)

Circuit Diagram

Indoor Unit Circuit

The indoor unit circuit diagram shows the electrical connections for various components:

• Power Source: L (Live), N (Neutral), Ground (Green/Yellow).
• Terminals: For connection to the outdoor unit.
• Thermal Fuse: Safety component.
• Power Relay: Controls power distribution.
• Fan Motor (F.M.): Connected via CN2.
• Indicator PCB: Connected via CN201.
• Controller PCB: Connected via multiple connectors (CN2, CN3, CN4, CN5, CN6, CN7).
• Step Motor: For louvre control.
• Thermistors: For Room Temperature and Pipe Temperature sensing.

Outdoor Unit Circuit

The outdoor unit circuit diagram details its electrical components and connections:

• Power Input: AC 230V, 50Hz.
• Reactor: Included for power conditioning.
• PCB (MAIN): The main control board.
• Compressor: Connections labeled R(U), S(V), C(W).
• Fan Motor (FM): Connected via CN10.
• Thermistors: For Pipe, Discharge Pipe, and Outdoor Temperature sensing.
• Expansion Valve (PMV): Electronically controlled valve.
• 4-Way Valve Assy (4WV): For switching between heating and cooling modes.
• Fuse: 250V 20A protection.
• Terminal Block: For external connections.

Indoor PCB Circuit Diagram

This diagram details the Indoor Printed Circuit Board (PCB) assembly for models RSA07LCC and RSA09LCC.

Key components and connections include:

• Controller PCB Assembly (K02DR-0503HSE-C1): Features a microcontroller (uPD780024ASGB-X70), power supply regulation circuits (ICs like 78M15, TL431, TNY264P), and various connectors (CN4, CN5, CN7).
• Indicator PCB Assembly (K02CB-0300HSD-D0): Connects via CN201 and includes LEDs (e.g., D208, D205, D204, D201) and associated driver circuitry.
• Fan Motor (F.M.) Connection: Via CN2.
• Thermistors: Connections for Room Temperature Thermistor and Pipe Temperature Thermistor.
• Power Source Input: 230V, 50Hz.
• Other Components: Transistors (Q1, Q2, Q4), resistors, capacitors, fuses, and connectors (CN3 for Remote Control Unit, CN6 for Louver).

Outdoor PCB Circuit Diagram

This diagram details the Outdoor Printed Circuit Board (PCB) assembly for models ROR07LCC and ROR09LCC.

Key components and connections include:

• Power Input: AC 220-240V, 50Hz/60Hz, via Terminal.
• EMI Filter: Integrated for noise suppression.
• Inverter Assembly: Specific models EZ-00506HUE (ROR07LCC) and EZ-0053HUE (ROR09LCC).
• Reactor: Part of the inverter system.
• Controller PCB Assembly: Specific models K05CS-0502HUE-C1 (ROR07LCC) and K05CS-0500HUE-C1 (ROR09LCC).
• Compressor Connection: Via UL 3271 AWG16 wires (Red, White, Black).
• AC Fan Motor (FM) Connection: Via CN10.
• Expansion Valve Connection: Via CN40.
• Thermistors: Connections for Discharged Temp, Pipe Temp, and Outdoor Temp.
• Valves: 4-Way Valve connection via CN30.

Disassembly Illustration

The following illustrations provide exploded views of the indoor and outdoor units, detailing component placement and assembly for service purposes.

Indoor Unit Disassembly

The indoor unit is shown disassembled. Key numbered parts include:

• 1: Air Filter
• 2: Filter (Electric)
• 3: Filter (ION)
• 4: Holder (Filter)
• 5: Clamper (Grille)
• 6: Front Panel Total Assy
• 7: Intake Grille Assy
• 20: Gear-A
• 21: Casing Assy
• 24: Crossflow Fan Assy
• 26: Clamp (Motor)
• 27: Shaft Holder-C Assy
• 28: Drain Hose Assy
• 29: Drain Cap Assy
• 30: Wire Clamper
• 31: Box (Switch)
• 32: Cover (Switch)
• 33: Evaporator Total Assy
• 36: Joint Pipe Assy
• 37: Insulation (Pipe)-E
• 38: Holder (Evaporator)-L
• 39: Holder (Evaporator)-R
• 40: Holder (Room Thermistor)
• 42: Air Seal
• 46: Step Motor
• 48: Fan Motor Assy
• 51: Remote Control Unit
• 52: Bracket Panel
• 53: Remote Control Unit Holder
• 61-1: Flow Control Panel-U
• 61-2: Flow Control Panel-Z
• 188: Power Cord Assy (Power Cord+Terminal)
• 236: Controller PCB Assy

Outdoor Unit Disassembly

The outdoor unit is shown disassembled. Key numbered parts include:

• 9: Cover (Case)
• 10: Bracket Valve
• 11: Cover (Switch)
• 13: Inverter Case Assy
• 16: Front Panel Assy
• 18: Propeller Fan
• 19: Bracket (Motor) Assy
• 20: Reactor Assy
• 21: Separator Assy
• 23: Base Assy
• 24: Top Panel Assy
• 25: Cabinet Left Assy
• 26: Cabinet Right Assy
• 27: 3-Way Valve Assy
• 28: 2-Way Valve Assy
• 29: 4-Way Valve Assy
• 32: Compressor Assy
• 33: Muffler
• 35: PCB Holder
• 36: Cover (Inverter Case)
• 38: Pulse Motor Valve Assy
• 39: Motor
• 40: Inverter PCB Assy (07/09)
• 41: Expansion Valve Coil
• 45: Solenoid
• 46: Condenser Assy

Parts List

Indoor Unit Parts

Outdoor Unit Parts

Standard Accessories