UNIVERSAL FLOOR/CEILING OWNER’S MANUAL Models: FLR09HP230V1AF FLR12HP230V1AF FLR18HP230V1AF FLR24HP230V1AF
Thank you for choosing a Multi21 Floor/Ceiling Air Conditioning & Heating System! You can feel confident in your selection because the same pride in craftsmanship and engineering knowledge that goes into millions of other Gree installed products worldwide has gone into your unit. Please read this owner’s manual carefully before operation and retain it for future reference. Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Nomenclature .
INTRODUCTION Superior Design for Superior Performance Gree’s discreet Multi21 Floor/Ceiling provides low-noise performance through design and innovation. The Floor/Ceiling is a one-stop solution for heating and air conditioning large and small rooms. Features include a highly effective inverter driven variable speed compressor, 2-way air discharge, multi speed fan, swing louver and a cleanable air filter. Gree’s cutting edge fan technology is quiet and powerful.
SAFETY PRECAUTIONS Please read the following before operation. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death.
SYSTEM PARTS Indoor Unit Air Outlet Air inlet Part Name 1. Front Cabinet 2. Air Inlet 3. XK-19 Wired Controller (Optional) 4. Remote Controller 5. Drain Pipe 6. Gas Pipe 7. Liquid Pipe 8. Service Cover 9. Front Panel Power Supply 2 1 3 4 Air inlet Outdoor Unit Air outlet 9 8 7 6 5 CAUTION The refrigerant pipe, drain pipe and electrical wiring for this unit should be installed by a qualified HVAC professional only.
SYSTEM FUNCTIONS WHISPER QUIET Not only are the Gree systems energy efficient but they are quiet too. Floor/Ceiling operates with sound levels starting as low as 36 dB(A). MULTI FAN SPEEDS Whether operating in either Cooling or Heating mode, the indoor fan can be set to your choice of three different speeds (Low, Medium or High) to achieve maximum comfort. INTELLIGENT PRE-HEATING Multi21 Systems guard against the annoying cool air blown into the room in heating mode.
SYSTEM FUNCTIONS SWING LOUVER The adjustable swing louvers can be controlled from the wireless controller. Swing louvers allow nine different air discharge directions including Continuous Sweep. Maximize comfort by adjusting the direction of airflow in the room by moving the louvers up or down. POWER FAILURE MODE Power interruptions are no problem for the Multi21 system. User selections and system parameters are stored in non-volatile memory. These parameters are retained during a power failure.
SYSTEM FUNCTIONS X-FAN MODE When operating in humid areas, the X-fan or Dry Coil function allows the indoor fan to run for a pre-determined amount of time after the unit is turned off (cooling or dry modes) to ensure that additional moisture is removed from coil. FAHRENHEIT °F / CELSIUS °C The remote controller can be set to display in either °F or °C. SELF-DIAGNOSIS With an on-board computer using real-time diagnostics, the Gree Multi21 system helps to prolong its own life.
OPERATION OF WIRELESS REMOTE CONTROLLER Remote Controller 1 3 2 5 6 7 9 10 13 12 16 4 8 11 14 15 Part Name 1. ON/OFF Button 2. Down Button 3. Up Button 4. Fan Button 5. Mode Button 6. I Feel Button 7. Air Function 8. Clock Button 9. Timer On Button 10. Swing Louver Button 11. X-Fan Button 12. Temp Button 13. Timer Off Button 14. Turbo Button 15. Sleep Button 16.
OPERATION OF WIRELESS REMOTE CONTROLLER REMOTE CONTROLLER OPERATIONS The wireless remote controller is sleek, versatile and allows you to change room temperatures and functions on your Multi21 Floor/Ceiling system from the palm of your hand. The large LCD display and buttons make it easy-to-understand and easy-to-use. The remote controller is set from factory to display temperatures in °F.
OPERATION OF WIRELESS REMOTE CONTROLLER MODE BUTTON Use the “MODE” button to select one of the available modes. The selected mode will be displayed on the remote controller and the appropriate light will illuminate on the front display panel. AUTO – Unit will automatically select heating or cooling to maintain room temperature between 68°F and 77°F. The remote controller will display the Auto Mode icon with no setpoint.
OPERATION OF WIRELESS REMOTE CONTROLLER TIMER SETTING Timer-ON / Timer-OFF BUTTON To set when you want the unit to turn On at the end of a selected time period, use the button labeled “Timer-ON /Timer-OFF”on the remote controller. Press this button to make the clock icon disappear, replaced with the word “ON” (blinking). Press" +" and " -" buttons to adjust timer setting 1 minute at a time. Press and hold" +" and " -" button to set timer more quickly.
OPERATION OF WIRELESS REMOTE CONTROLLER DISPLAYING SETPOINT, INDOOR OR OUTDOOR TEMPERATURE ON FRONT PANEL: The setpoint temperature, outdoor temperature or room temperature can be displayed on the front panel. Only setpoint temperature is displayed on the remote controller. When the “TEMP” button is pushed once, the temperature indicator is displayed. This indicates that the setpoint temperature is displayed on the front panel.
OPERATION OF WIRELESS REMOTE CONTROLLER CLOCK SETTING Press this button to set clock time.“ ” icon on remote controller will blink. Within 5 seconds, press" +" and " -" button to set clock time. With each pressing of " +" and " -" buttons, clock time will increase or decrease 1 minute. To quickly adjust time setting, press and hold " +" and " -" button for 2 seconds. Release button when you have reached the desired time setting. Press “CLOCK” button to confirm the time, and “ ” icon will stop blinking.
OPERATION OF WIRELESS REMOTE CONTROLLER U PRIVACY LOCK The Privacy Lock prevents unauthorized access to the unit controls and prevents tampering with system settings. The remote controller can be locked by pushing the" +" and " -" buttons simultaneously. The Privacy Lock icon will be displayed on the remote controller. Repeat the process to unlock the remote controller.
OPERATION OF WIRED TETHER CONTROLLER ON/OFF BUTTON Press On/Off to turn On the unit. Press again to turn it Off. F F “Off” State “On” State MODE SETTING When the unit is ON, press Mode button to select an operating mode. It will change sequentially as shown below: Auto–Cool–Dry–Fan–Heat Auto Cool Dry Fan Heat F TEMPERATURE SETTING Press ▲ or ▼ to increase/decrease the setpoint temperature as shown below. In Cool, Dry, Fan or Heat mode, the setpoint temperature range is 61°-86°F.
OPERATION OF WIRED TETHER CONTROLLER FAN SETTING When the unit is ON, press Fan button to select the fan speed of the indoor unit. It will change sequentially as shown below. Auto Low Medium High F TURBO MODE Turbo mode will force the unit up to maximum capacity to heat or cool the room in the shortest amount of time. Turbo Mode can only be used on Heat or Cool modes. Turbo Setting Press Function button until the Turbo icon is displayed. Then press Enter/Cancel to confirm.
OPERATION OF WIRED TETHER CONTROLLER TIMER SETTING The Multi21 System has two timer modes. The Timer-On mode will turn the unit ON after the preset time period. The Timer-Off Mode will turn the unit OFF after the preset time period. The preset time period can be from 0.5 to 24 hours in 0.5 hour increments. Timer-On Setting Turn the unit Off, press the Timer button. The OFF icon will flash and the hours will be displayed.
OPERATION OF WIRED TETHER CONTROLLER Timer-Off Setting Turn the unit On, press the Timer button. The ON icon will flash and the hours will be displayed. Set the time period for the unit to remain ON before turning OFF by pressing the ▲ or ▼ buttons. Press Timer button to confirm and start Timer-Off mode. F Turn On the unit and select Heat or Cool mode. F Press Timer button to select Timer Off mode. F F Press ▲or▼ to select time period. F Press Enter/Cancel to start timer mode.
OPERATION OF WIRED TETHER CONTROLLER SLEEP MODE The unit will automatically adjust room temperature during your sleep time. This slight change in temperature will not affect your comfort level due to the natural effects that sleeping has on the body, but it will save on energy consumption and will lower your electric bill. Press the SLEEP button to select Sleep Mode. The SLEEP icon will appear. In Cool or Dry modes: The unit will run at current room setpoint for 1 hour.
OPERATION OF WIRED TETHER CONTROLLER CELSIUS OR FAHRENHEIT TEMPERATURE DISPLAY F The wired Tether Controller is set from the factory to display temperature in Fahrenheit ( Fº). If Celsius (Cº) is desired, turn the unit OFF, press Mode and ▼ buttons at the same time for 5 seconds to alternate between temperature displays. To change temperature display. X-FAN MODE The X-Fan function may only be selected in Cool and Dry modes.
OPERATION OF WIRED TETHER CONTROLLER I-FEEL MODE The indoor unit will sense room temperature at the wired Tether Controller instead of at the return air section of the indoor unit. Indoor Unit Room Sensor A Tether Controller Indoor Room Sensor B I-Feel Settings Press the Function button until the I-Feel icon is displayed, then press Enter/Cancel to activate the function. F Turn Unit On. Press Function until the I-Feel icon is displayed. Press Enter/Cancel to start I-Feel mode.
CARE AND CLEANING Routine maintenance consists of checking the condensate drain for clogs, hosing off the outdoor coil of outdoor unit and cleaning the air filter and the indoor cabinet. WARNING Turn off power and disconnect from indoor and outdoor units before cleaning. Failure to do so could cause electric shock. CABINET CLEANING Wash the cabinet using warm water and mild detergent with a soft cloth or soft brush.
TROUBLESHOOTING PROBLEM CAUSE/SOLUTION System does not restart. Cause: The system has a built-in three-minute delay to prevent short and/or rapid cycling of the compressor. Solution: Wait three minutes for the protection delay to expire. Indoor unit emits unpleasant odor when started Cause: Typically unpleasant odors are the result of mold or mildew forming on the coil surfaces or the air filter. Solution: Wash indoor air filter in warm water with mild cleaner.
TROUBLESHOOTING PROBLEM CAUSE/SOLUTION Water leaking from the indoor unit into the room. Cause: While it is normal for the system to generate condensate water in cooling mode, it is designed to drain this water via a condensate drain system to a safe location. Solution: If water is leaking into the room, it may indicate one of the following. • The indoor unit is not level right to left. Level indoor unit. • The condensate drain pipe is restricted or plugged.
DIAGNOSTIC CODES Troubleshooting The unit has onboard diagnostics. The outdoor unit will provide status indicators. The indoor wall unit and remote controller will display error codes.
DIAGNOSTIC CODES Malfunction Name Indoor Unit Display Outdoor Unit Indicators Yellow Red Possible Causes High Temperature Resistant Protection E8 1) Incorrect refrigerant charge level 2) Refrigerant metering device malfunction 3) Compressor malfunction Cold Air Protection E9 EEPROM Memory Malfunction EE Module Phase Current Protection Frequency Decrease/Limit Mode En Module Temperature Protection Frequency Decrease/Limit Mode EU 11 flashes and 1 sec Off 1) IPM module over heating or malfu
DIAGNOSTIC CODES Indoor Unit Display Outdoor Unit Indicators High Compressor Discharge Temperature - Frequency Decrease/Limit Mode F9 2 flashes and 4 flashes 1 sec Off and 1 sec Off Indoor Coil Freeze Protection Frequency Decrease/Limit Mode FH Pump Down or Gathering Refrigerant Status Fo Defrost Mode in Heating H1 Compressor Overload Protection H3 8 flashes and 1 sec Off 1) Wiring terminal OVC-COMP is loose 2) Refer to the malfunction analysis in Service Manual IPM Module Protection H5 4
DIAGNOSTIC CODES Malfunction Name Indoor Unit Display Outdoor Unit Indicators Yellow Possible Causes Red 16 flashes and 1 sec Off Incompatible Indoor and Outdoor Units LP Compressor Phase Current Protection P5 1) IPM module malfunction 2) Outdoor control board malfunction 3) Compressor malfunction Module Temperature Sensor Malfunction P7 Outdoor control board malfunction Module Temperature Protection P8 1) Lack of thermal grease on IPM module 2) Heat sink (radiator) not tightly mounted 3)
ENERGY SAVING TIPS 1. Relaxing room temperature at night is OK: During the nighttime hours you don't require the same level of conscious cooling or heating. Try using Sleep Mode to gradually relax room temperature and allow the unit to run less and save energy. 2. Curtains and shades: In the summer, you need to block the effects of the sun. Close window curtains and shades on the south and west side of your home to help block solar heat. In winter, the sun is your friend.
$ GREE LIMITED WARRANTY STATEMENT FOR WARRANTY SERVICE OR REPAIR: Contact your installing contractor. You may find the installer’s name on the equipment or in your Owner’s packet or on your invoice. ONLINE REGISTRATION IS AVAILABLE AT: www.greecomfort.com/resources/ product-warranty/ Or complete product registration below: Email completed form* to: service@twclimate.com or Send copy of completed form* to: Gree Warranty Registration 14610 Breakers Dr.
