daikin mini split manual ftxs12lvju

The Daikin FTXS12LVJU is a 12,000 BTU wall-mounted mini-split air conditioner with inverter technology, designed for high efficiency and quiet operation. It features cooling and heating modes, dehumidification, fan-only operation, adjustable louvers, a built-in air purifying filter, remote control with LCD display, timer functions, sleep mode, and self-diagnosis capabilities. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Indoor Unit, Outdoor Unit, Remote Control, Installation Kit, User Manual.

Installation Requirements

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

1. Select location: Install indoor unit on interior wall, 7-8 feet from floor. Ensure outdoor unit has proper clearance.
2. Mounting: Use template to mark drill points. Securely mount indoor unit bracket.
3. Refrigerant piping: Connect copper pipes between indoor and outdoor units. Ensure connections are tight and insulated.
4. Electrical wiring: Connect power cables according to wiring diagram. Ensure proper grounding.
5. Vacuum and charge: Evacuate air from refrigerant lines and charge with specified refrigerant amount.

WARNING! Installation by unqualified personnel may result in electric shock, fire, or equipment damage. Follow all local codes.

First-Time Setup & Operation

After installation, perform initial setup before use.

1. Power on: Turn on circuit breaker. Indoor unit will beep and indicators will light.
2. Remote setup: Insert batteries into remote. Point remote at indoor unit signal receiver.
3. Test operation: Press POWER button on remote. Select COOL mode and set temperature to 75°F.
4. Adjust airflow: Use SWING button to set louver direction. Use FAN button to set fan speed.
5. Timer setup: Set ON/OFF timer according to your schedule using TIMER buttons.

CAUTION! Do not operate unit with filters removed. Allow 3 minutes between turning unit off and on.

Specifications

• Model: FTXS12LVJU
• Cooling Capacity: 12,000 BTU/h
• Heating Capacity: 13,500 BTU/h
• Power Supply: 115V, 60Hz, 1Ph
• Refrigerant: R-410A
• Indoor Unit Dimensions: 31.5" W × 11.4" H × 8.7" D
• Outdoor Unit Dimensions: 31.9" W × 21.7" H × 13.4" D
• Indoor Sound Level: As low as 26 dB(A)
• Operating Temperature: Cooling: 64°F to 90°F; Heating: 5°F to 75°F
• Energy Efficiency Ratio (EER): 12.5
• Heating Seasonal Performance Factor (HSPF): 9.5

Controls and Settings

Primary control is through the remote. Indoor unit has LED indicators and manual override button.

Remote Functions: POWER, MODE (Auto/Cool/Dry/Fan/Heat), TEMP ▲/▼, FAN SPEED, SWING, TIMER, SLEEP, CLOCK, RESET, FILTER indicator.

Mode Settings: AUTO - Unit selects mode based on room temperature. COOL - Cooling operation. HEAT - Heating operation. DRY - Dehumidification. FAN - Air circulation only.

Fan Speed: AUTO/LOW/MEDIUM/HIGH. Swing: Adjusts vertical louver direction. Timer: Programs unit to turn on/off at set times. Sleep: Gradually adjusts temperature over 7 hours for energy saving.

Remote Control Functions

Detailed remote control button functions and LCD display indicators.

1. POWER: Turns unit on/off.
2. MODE: Cycles through operation modes (Auto→Cool→Dry→Fan→Heat).
3. TEMP ▲/▼: Increases/decreases set temperature (60°F-86°F).
4. FAN: Selects fan speed (Auto, Low, Medium, High).
5. SWING: Controls vertical air direction (5 positions).
6. TIMER: Sets ON/OFF timer (0.5-24 hours).
7. SLEEP: Activates sleep mode.
8. CLOCK: Sets current time.
9. RESET: Resets all settings to default.
10. FILTER: Indicator lights when filter needs cleaning.

Tip: Replace remote batteries every 6 months for optimal performance.

Operating Modes

Detailed explanation of each operation mode.

1. Cooling Mode: Set desired temperature. Unit cools room to set point.
2. Heating Mode: Set desired temperature. Unit heats room to set point.
3. Dry Mode: Reduces humidity while maintaining temperature.
4. Fan Mode: Circulates air without cooling or heating.
5. Auto Mode: Unit automatically selects cooling or heating based on room temperature.
6. Sleep Mode: Gradually adjusts temperature over 7 hours for comfortable sleep and energy savings.
7. Timer Operation: Program unit to turn on/off at specific times.

WARNING! Do not use heating mode when outdoor temperature is below 5°F. Use auxiliary heat if needed.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Air Filter Cleaning: Clean every 2 weeks during operation. Remove filter, wash with mild detergent, dry completely, reinstall.
2. Indoor Unit Cleaning: Wipe with soft, dry cloth. Do not use water, chemicals, or abrasive cleaners.
3. Outdoor Unit: Keep area around unit clear of debris. Clean fins with soft brush if dirty.
4. Winter Care: Cover outdoor unit during extended non-use periods in winter.
5. Professional Maintenance: Schedule annual maintenance by qualified technician.

CAUTION! Always turn off power at circuit breaker before cleaning. Do not wash indoor unit with water.

Safety Information

Important safety precautions for operation and maintenance.

• Do not insert fingers or objects into air inlet/outlet.
• Do not operate with filters removed.
• Ensure proper grounding of electrical connections.
• Do not use in areas with flammable gases or vapors.
• Install child safety lock if children are present.
• Do not block air inlet or outlet.
• Turn off power during thunderstorms or extended non-use.
• Do not attempt to repair refrigerant system - contact qualified technician.

Regulatory Information

This product complies with FCC Part 15 regulations. It has been tested and found to comply with the limits for a Class B digital device. Copyright © Daikin Industries, Ltd. All rights reserved. For technical support, visit www.daikin.com or contact 1-855-4-DAIKIN (1-855-432-4546).

Troubleshooting

Reset: Turn off at circuit breaker for 5 minutes, then restore power.

Service: 1-855-4-DAIKIN; www.daikin.com