Fujitsu Inverter Split System Manual

The Fujitsu Inverter Split System is an energy-efficient air conditioning solution featuring inverter technology for precise temperature control, quiet operation, and reduced energy consumption. This system includes indoor and outdoor units with advanced features like auto-swing louvers, sleep mode, timer functions, and multiple operating modes. Designed for residential and light commercial use with R32 refrigerant. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Requirements 3. First-Time Setup 4. Technical Specifications 5. Controls and Operation 6. Remote Control Functions 7. Maintenance Procedures 8. Error Codes and Diagnostics 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting Guide

Features at a Glance

Key components: Indoor unit with LCD display, outdoor compressor unit, wireless remote control, air filters, and drainage system.

FeatureDescription
Inverter TechnologyVariable compressor speed for energy efficiency and precise temperature control
Auto-swing LouversAutomatic vertical and horizontal air flow direction
Quiet OperationLow noise levels for peaceful environment
Multiple ModesCool, Heat, Dry, Fan, Auto operation modes
Timer Functions24-hour on/off timer programming
Sleep ModeAutomatic temperature adjustment for comfortable sleep
Filter IndicatorReminder for filter cleaning maintenance
Turbo ModeRapid cooling/heating for quick temperature adjustment
Eco ModeEnergy-saving operation with reduced power consumption
Wi-Fi ReadyOptional connectivity for smart control

Installation Requirements

Professional installation required. Ensure proper location and electrical requirements.

  1. Indoor unit placement: Minimum 2.2m from floor, away from heat sources and direct sunlight.
  2. Outdoor unit placement: Well-ventilated area, minimum clearances maintained.
  3. Electrical connection: Dedicated circuit with proper voltage (220-240V).
  4. Refrigerant piping: Correct sizing and professional brazing required.
  5. Drainage: Proper slope and routing for condensate removal.

WARNING! Installation must be performed by qualified technicians only. Incorrect installation may cause injury or equipment damage.

First-Time Setup

After professional installation, perform initial setup and testing.

  1. Power on system: Turn on circuit breaker and press power button on remote.
  2. Initial operation: Allow system to run for 15-20 minutes to stabilize.
  3. Mode selection: Choose desired operation mode (Cool, Heat, Auto, etc.).
  4. Temperature setting: Set comfortable temperature using remote control.
  5. Fan speed: Adjust to desired level (Auto, Low, Medium, High).

CAUTION! Do not operate system immediately after installation. Allow refrigerant to settle for proper operation.

Technical Specifications

Controls and Operation

Control via remote or indoor unit buttons. Main functions: Power, Mode, Temperature, Fan Speed, Timer.

Operation Modes: COOL - Standard cooling operation; HEAT - Heating mode; DRY - Dehumidification; FAN - Air circulation only; AUTO - Automatic mode selection.

Temperature Setting: 16°C to 30°C adjustable. Fan Speed: Auto, Low, Medium, High, Quiet. Timer: 24-hour programming for automatic on/off. Swing: Adjustable louver direction for optimal air distribution.

Remote Control Functions

Wireless remote with LCD display and full function control.

  1. POWER: Turns system on/off
  2. MODE: Cycles through operation modes
  3. TEMP ▲/▼: Adjusts temperature setting
  4. FAN: Selects fan speed
  5. TIMER: Sets automatic on/off timing
  6. SWING: Controls louver direction
  7. TURBO: Rapid cooling/heating mode
  8. SLEEP: Activates sleep mode
  9. RESET: Returns to default settings
  10. FILTER: Resets filter cleaning indicator

Tip: Point remote directly at indoor unit sensor for reliable operation.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

  1. Air filter cleaning: Remove and clean every 2 weeks during operation
  2. Outdoor unit: Keep area clear of debris and vegetation
  3. Indoor unit: Wipe surface with soft dry cloth
  4. Drainage check: Ensure condensate drain is clear
  5. Professional service: Annual inspection recommended

WARNING! Do not attempt to repair refrigerant system. Contact qualified service technician.

Error Codes and Diagnostics

System displays error codes for troubleshooting assistance.

Error CodeDescriptionAction Required
E0Protection device activatedCheck for obstructions, wait 3 minutes
E1Indoor unit PCB errorPower reset, contact service
E2Communication errorCheck wiring connections
E3Outdoor unit errorProfessional service required
E4High pressure protectionCheck outdoor unit ventilation
E5Low pressure protectionCheck for refrigerant leaks
E6Compressor overloadAllow system to cool down
E7Fan motor errorCheck fan operation and wiring

Care & Cleaning

Regular cleaning maintains performance and appearance.

  1. Turn off power before cleaning
  2. Clean air filters with vacuum or warm water
  3. Wipe indoor unit with soft, dry cloth
  4. Clean outdoor unit fins with soft brush
  5. Ensure drainage system is clear

CAUTION! Do not use abrasive cleaners, chemicals, or water spray on electrical components.

Regulatory Information

Complies with international safety and environmental standards. CE marked for European compliance. Energy efficiency rated according to local regulations. Refrigerant R32 complies with F-gas regulations. Manufactured under ISO 9001 quality standards. For technical support and service, contact authorized Fujitsu dealers or visit www.fujitsu-general.com.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Unit not startingPower supply/remoteCheck circuit breaker; replace remote batteries; ensure proper remote operation
Poor cooling/heatingFilters/temperature settingClean air filters; check temperature setting; ensure proper mode selection
Water leakageDrainage blockageCheck drain hose for kinks or blockage; ensure proper installation slope
Unusual noiseLoose parts/fanCheck for loose panels; ensure fan blades are clear of obstructions
Remote not workingBatteries/obstructionsReplace batteries; ensure clear line of sight to indoor unit sensor
Error code displayedSystem faultRefer to error code table; contact service if persistent

Reset Procedure: Turn off at power source, wait 5 minutes, restart system.

Service Contact: Authorized Fujitsu service centers; www.fujitsu-general.com

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