Daikin Inverter User Manual

The Daikin Inverter is an advanced air conditioning system featuring inverter technology for energy-efficient operation, precise temperature control, quiet performance, multiple operation modes (Cool, Heat, Fan, Dry, Auto), intelligent features like timer functions and sleep mode, air purification filters, remote control operation, and self-diagnostic capabilities. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

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

Feature	Description
Inverter Technology	Adjusts compressor speed for energy savings and stable temperature
Operation Modes	Cool, Heat, Fan, Dry, Auto
Air Purification	Anti-allergy filter and deodorizing filter
Quiet Operation	Quiet mode for reduced noise levels
Timer Functions	On/Off timer and weekly timer programming
Sleep Mode	Automatically adjusts temperature for comfortable sleep
Self-Clean Function	Dries indoor unit to prevent mold and odors
Powerful Operation	Turbo mode for rapid cooling/heating
Wi-Fi Connectivity	Optional for smart control via mobile app
Auto Restart	Resumes previous settings after power outage

Installation

Unpack and inspect all components. Installation must be performed by qualified personnel.

Select location: Install indoor unit 2.3m above floor; outdoor unit on stable surface with proper ventilation.
Mount indoor unit: Use mounting plate and secure to wall.
Connect refrigerant pipes: Connect between indoor and outdoor units following manufacturer specifications.
Electrical connections: Connect power cables to dedicated circuit breaker.
Drain hose: Install with proper slope for water drainage.
Vacuum and charge: Evacuate air from refrigerant lines and charge with specified refrigerant.

WARNING! Installation by unqualified personnel may cause injury, electric shock, or fire. Follow all local electrical codes.

First-Time Setup

After installation, perform initial setup for optimal operation.

Power on: Turn on circuit breaker and press power button on remote.
Initial settings: Set language, time, and date using remote control.
Test operation: Run system in Cool mode at 24°C for 15 minutes to verify cooling.
Remote pairing: Point remote at indoor unit and press TEST button for pairing.
Filter initialization: Reset filter indicator by pressing FILTER button on remote for 3 seconds.

CAUTION! Allow system to stabilize for 10 minutes after initial startup before changing settings.

Specifications

Cooling Capacity: 9,000 - 24,000 BTU/h (varies by model)
Heating Capacity: 9,500 - 26,000 BTU/h (varies by model)
Power Supply: 208-230V, 60Hz, 1-phase
Energy Efficiency Ratio (EER): Up to 12.0
Refrigerant: R-410A
Noise Level: 19-38 dB(A) (indoor), 49-58 dB(A) (outdoor)
Air Flow: 350-1,100 m³/h
Dimensions (Indoor): 800-1,200mm W × 285-320mm H × 200-250mm D
Operating Temperature: Cooling: 18°C to 46°C outdoor; Heating: -15°C to 24°C outdoor
Wi-Fi: IEEE 802.11 b/g/n (optional)

Controls and Settings

Access functions via remote control or indoor unit buttons. Remote Control: POWER, MODE, TEMP ▲/▼, FAN SPEED, TIMER, SLEEP, SWING, TURBO, FILTER, CLOCK.

Indoor Unit: OPERATION indicator, TEMPERATURE display, FILTER indicator, TEST button (behind front panel).

Mode Selection: COOL (blue snowflake), HEAT (red sun), FAN (fan icon), DRY (water drop), AUTO (auto icon). Temperature Setting: 16°C to 30°C in 1°C increments. Fan Speed: AUTO, LOW, MEDIUM, HIGH, QUIET. Airflow Direction: Vertical and horizontal louvers adjustable via SWING button. Timer: Daily or weekly programming for On/Off cycles. Filter Reset: Press FILTER button for 3 seconds after cleaning.

Connecting Devices

Optional connections for enhanced functionality.

Wi-Fi adapter: Install optional Wi-Fi module for smart control.
External controller: Connect wired controller for centralized control (optional).
Group control: Connect multiple indoor units to one controller (for multi-split systems).
Power monitor: Connect optional power consumption monitor.

Tip: Turn off power before making any electrical connections. Use only Daikin-approved accessories.

Operation Modes

Select appropriate mode for desired comfort.

Cool Mode: For cooling. Set desired temperature (recommended 24-26°C).
Heat Mode: For heating. Set desired temperature (recommended 20-22°C).
Fan Mode: Circulates air without cooling/heating. Select fan speed.
Dry Mode: Reduces humidity. Automatically controls temperature and fan speed.
Auto Mode: Automatically selects Cool or Heat based on room temperature.
Turbo Mode: Press TURBO for rapid cooling/heating (auto cancels after 30 minutes).
Quiet Mode: Reduces fan speed for quiet operation (available in Cool/Heat/Fan).
Sleep Mode: Gradually adjusts temperature for energy savings during sleep.

WARNING! Do not use heating mode below specified outdoor temperature (-15°C). System may enter defrost cycle periodically during heating.

Smart Features

Intelligent functions for comfort and efficiency.

Follow Me Function: Remote control transmits temperature to indoor unit for precise control. Self-Clean Operation: Runs fan after cooling to dry heat exchanger (activate via remote). Economy Mode: Optimizes operation for energy savings. Airflow Memory: Remembers preferred louver positions. Filter Sign: Indicator lights when filter needs cleaning. Fault Diagnosis: Displays error codes on indoor unit for troubleshooting.

Care & Maintenance

Regular maintenance ensures optimal performance and longevity.

Air Filter: Clean every 2 weeks. Remove, wash with water, dry completely, reinstall.
Outdoor Unit: Keep area clear of debris, leaves, and snow. Clean heat exchanger annually.
Indoor Unit: Wipe surface with soft dry cloth. Do not use chemicals or abrasives.
Drainage: Check drain hose quarterly for blockages.
Professional Service: Schedule annual maintenance by qualified technician.

CAUTION! Always turn off power before cleaning. Do not use water on electrical components.

Regulatory Information

UL 1995: Standard for Heating and Cooling Equipment. FCC Part 15: Class B digital device compliance. EPA Energy Star: Meets energy efficiency guidelines. Refrigerant Handling: EPA Section 608 certification required for service. Copyright © 2025 Daikin Industries, Ltd. All rights reserved. For support, visit www.daikin.com or contact 1-800-432-1342.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not starting	Power issue/remote	Check circuit breaker; replace remote batteries; ensure remote pointed at unit.
Poor cooling/heating	Dirty filters/thermostat	Clean air filters; check temperature setting; ensure vents not blocked.
Water leaking indoors	Clogged drain	Check drain hose for blockage; ensure proper slope.
Unusual noise	Loose parts/fan	Check for loose panels; ensure outdoor unit on stable surface.
Error code displayed	System fault	Note error code; turn power off/on; if persists, contact service.
Remote not working	Batteries/obstruction	Replace batteries; remove obstacles; pair remote to unit.
Ice on pipes	Low refrigerant/dirty filter	Clean air filter; if persists, contact technician for refrigerant check.
Bad odor	Dirty filters/mold	Clean filters; run fan mode for 2-3 hours; use self-clean function.

Reset: Turn off power for 1 minute, then restart. For persistent issues, use TEST button for system check.

Service: 1-800-432-1342; www.daikin.com