Fujitsu Heat Pump Inverter Manual

The Fujitsu Heat Pump Inverter is an advanced climate control system featuring inverter technology for energy efficiency, multiple operating modes (heating, cooling, dehumidification, fan), wireless remote control, timer functions, air swing control, sleep mode, filter indicator, and safety features. Designed for residential and light commercial use with R32 refrigerant. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating Modes 8. Maintenance Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Indoor unit with LCD display, Outdoor unit with inverter compressor, Wireless Remote Control, Air filters, Drain pipe, Power cable.

Feature	Description
Inverter Technology	Variable speed compressor for energy efficiency
Operating Modes	Cooling, Heating, Dehumidification, Fan Only
Temperature Range	16°C - 30°C (Cooling), 16°C - 30°C (Heating)
Air Swing	Vertical and horizontal louvers
Timer Functions	On/Off timer with 24-hour programming
Sleep Mode	Automatic temperature adjustment
Filter Indicator	Alerts when cleaning is required
Auto Restart	Resumes previous settings after power outage
Quiet Operation	Low noise levels for indoor comfort
Remote Control	Wireless operation with LCD display

Installation

Unpack and inspect contents. Ensure proper location for indoor and outdoor units.

Install outdoor unit: Place on stable surface with adequate ventilation.
Install indoor unit: Mount on wall with proper clearance (minimum 15cm from ceiling).
Connect refrigerant pipes: Use flare connections with proper torque.
Connect drain pipe: Ensure proper slope for water drainage.
Connect power cables: Follow electrical specifications and local codes.
Vacuum and charge system: Use proper refrigerant (R32) and quantities.

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

First-Time Setup

Power on system; follow initial setup procedure.

Test operation: Press POWER button on remote to start system.
Select mode: Choose COOL, HEAT, DRY, or FAN mode.
Set temperature: Use TEMP buttons to desired setting.
Adjust fan speed: Select AUTO, LOW, MEDIUM, or HIGH.
Set air direction: Use SWING button to adjust louvers.
Program timer: Set ON/OFF times if required.

CAUTION! Allow 3 minutes between turning off and restarting to protect compressor.

Specifications

Cooling Capacity: 2.5kW - 7.1kW (depending on model)
Heating Capacity: 2.8kW - 8.0kW (depending on model)
Power Supply: 220-240V, 50Hz
Refrigerant: R32 (eco-friendly)
Noise Level: 19-38 dB (indoor), 46-58 dB (outdoor)
Energy Rating: A+++ (cooling), A++ (heating)
Operating Range: -15°C to 46°C (cooling), -25°C to 24°C (heating)
Dimensions: Varies by model series
Weight: 8-25kg (indoor), 30-65kg (outdoor)

Controls and Settings

Access functions via remote control or indoor unit buttons.

Remote Control: POWER, MODE, TEMP ▲/▼, FAN SPEED, SWING, TIMER, SLEEP, TURBO, I-FEEL, CLOCK, RESET.

Mode Selection: COOL (snowflake), HEAT (sun), DRY (water drop), FAN (fan icon). Fan Speed: AUTO, LOW, MEDIUM, HIGH, QUIET. Timer: ON timer (delayed start), OFF timer (delayed stop). Special Functions: SLEEP (auto temperature adjustment), TURBO (rapid cooling/heating), I-FEEL (remote temperature sensing).

Connecting Devices

Optional accessories: WiFi adapter, external thermostat, multi-split systems.

Turn off power before connecting any accessories.
WiFi adapter: Connect to designated port for smart control.
External thermostat: Wire according to connection diagram.
Multi-split: Connect additional indoor units to outdoor unit.

Tip: Use only Fujitsu-approved accessories for optimal performance.

Operating Modes

Multiple modes for different climate needs.

Cooling Mode: For hot weather; sets temperature between 16°C-30°C.
Heating Mode: For cold weather; sets temperature between 16°C-30°C.
Dry Mode: Reduces humidity without excessive cooling.
Fan Mode: Circulates air without cooling/heating.
Auto Mode: Automatically selects cooling or heating based on room temperature.
Turbo Mode: Rapid cooling/heating for quick temperature change.
Quiet Mode: Reduced fan speed for minimal noise.
Sleep Mode: Gradually adjusts temperature for comfortable sleep.

WARNING! Do not operate heating mode below specified outdoor temperature to prevent damage.

Maintenance Features

Self-diagnosis: Error codes displayed on indoor unit. Filter indicator: Lights when cleaning required. Auto clean: Dries indoor unit to prevent mold. Defrost cycle: Automatic during heating in low temperatures.

Care & Cleaning

Turn off power before cleaning. Clean air filters every 2 weeks. Wipe indoor unit with soft dry cloth. Clean outdoor unit condenser annually.

CAUTION! Do not use water, chemicals, or abrasive cleaners on indoor unit. Do not spray liquids into any openings.

Regulatory Information

CE certified; complies with EU directives for electrical equipment. RoHS compliant. Energy efficiency class A+++. Refrigerant R32 (GWP 675). For technical support, visit www.fujitsu-general.com or contact local authorized service center. Serial number located on rating plate of indoor and outdoor units.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply/remote	Check power outlet; replace remote batteries; ensure proper distance.
Poor cooling/heating	Filters/temperature setting	Clean air filters; check temperature setting; ensure doors/windows closed.
Water leakage	Drain pipe blockage	Check drain pipe for obstruction; ensure proper slope.
Unusual noise	Loose parts/fan	Check for loose panels; ensure fan blades are clean and unobstructed.
Error code displayed	System fault	Note error code; turn off power for 10 minutes; restart. If persists, contact service.

Reset: Turn off at main power for 10 minutes, then restart.

Service: Contact authorized Fujitsu service center; www.fujitsu-general.com