Modena AC 7120 W User Manual Book

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Air Conditioner

AC 7120 W

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Summary of Contents for Modena AC 7120 W

Page 1 User Manual Book Air Conditioner AC 7120 W...
Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION TO REFRIGERANTS R32/R290 Room area requests for air AC with refrigerants R32 & r290 SAFETY PRECAUTIONS Safety rules and recommendations for the installer Safety rules and recommendations for the user Safety rules and prohibition NAMED OF PARTS Indoor unit Outdoor unit INDOOR UNIT DISPLAY...
Page 3 PROTECTION T1 climate condition models Tropicall (T3) climate condition models INSTALLATION MANUAL Important cosiderations The maximum charge and the required minimum floor area Installation safety principles Special tools Selecting the installation place Installation of the indoor unit Installation of the mounting plate Installation of the outdoor unit Operation test Information for the installer...
Page 4: Introduction To Refrigerants R32/R290
INTRODUCTION TO REFRIGERANTS R32 & R290 The refrigerants used for air conditioners are environmentally friendly hydrocarbons R32 and R290. The two kinds of refrigerants are combustible and odorless. Moreover, they can burn and explode under certain condition. However, there will be no risk of burning and exploision if you comply with the following table to install your air conditioner in a room with an appropriate area and use it correctly.
Page 5 WARNING!  Please read manual before installation, using, maintenance.  Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.  Do not pierce or burn the appliance.  The appliance shall be stored in a room without continuously operating sources (for example: open flames,...
Page 6: Safety Precautions
SAFETY AND PRECAUTIONS Safety Rules and Recommendations for the Installer The appliance must be fitted with Read this guide before installing means for disconnection from the and using the appliance. supply mains having contact During the installation of the separation in all poles that provide full disconnection under overvoltage...
Page 7 Only use the air conditioner as Before accessing the terminals, all instructed in this booklet. These power circuits must instructions are not intended to cover disconnected from the power supply. every possible condition situation. As with any electrical The appliance shall be installed in household appliance, common sense accordance with...
Page 8: Safety Rules And Recommendations For The User
Safety Rules and Recommendations for the User Never remain directly exposed to install the flow of cold air for a long time. The conditioner alone; always contact direct and prolonged exposition to specialized technical personnel. cold air could be dangerous for your health .Particular care should Cleaning and maintenance must...
Page 9 Always use the appliance with Ensure that the appliance the air filter mounted. The use of the disconnected from the power supply conditioner without air filter could when it will remain inoperat ive for a cause an excessive accumulation of long period and before carrying out dust or waste on the inner parts of the any cleaning or maintenance.
Page 10: Safety Rules And Prohibition
Safety Rules and Prohibitions Do not bend, tug or compress the Do not climb onto or place any power cord since this could damage heavy or hot objects on top of the it. Electrical shocks or fire are appliance. probably due to a damaged power cord.
Page 11: Named Of Parts
NAME OF PARTS Indoor Unit Description Front panel Air filter Optional filter (if installed) LED Display Signal receiver Terminal block cover Ionizer generator (if installed) Deflector Emergency button Indoor unit rating label (stick position optional) Airflow direction louver Remote controller Outdoor Unit Description Air outlet grille...
Page 12: Indoor Unit Display
INDOOR UNIT DISPLAY Function This symbol appears when the unit POWER is power on SLEEP mode SLEEP  Lights up during Timer operation Temperature when the air conditioner is display (if operational preset)/Error code  Displays the malfunction code when fault occurs. TIMER Lights up during Timer operation.
Page 13: Emergency Function & Aut-Restart Function
EMERGENCY FUNCTION & AUTO-RESTART FUNCTION Auto-Restart Function The appliance is preset auto-restart function by manufacturer. ln case of a sudden power failure, the module memo-rizes the setting conditions before the power failure. When the power restores, the unit restarts automatically with all the previous settings preserved by the memory function.
Page 14: Emergency Function
Emergency Function If the remote controller fails to work or main-tenance necessary, proceed as follows: Open and lift the front panel up to an angleto reach the emergency button. One press of the emergency button (one beep) will lead to the forced COOLING ope- ration.
Page 15: Remote Controller
REMOTE CONTROLLER Button Function Press it to increase temperature / time setting (TEMP UP) Press it to decrease temperature/ time setting. (TEMP DOWN) ON/OFF Press it to start or stop operation. To select the fan speed of auto/low/mid/high TIMER Press it to set auto-off timer. SLEEP To activate the function SLEEP In cooling mode,press this button ,the temperature will...
Page 16 ANTI-MILDEW To activate the function ANTI-MILDEW MUTE To activate the function of Mute When you press the buttons "MODE" and "TIMER" at the same time, the remote controller will be locked, all LOCK/UNLOCK buttons of the remote controller will be deactive and it displays "Lo"...
Page 17: Remote Controller
Remot Controller The out looking and some function of remote controller maybe difference. The shape and position of buttons and indicators maybe difference according to the model, but their function is the same...
Page 18: Remote Controller Display
Remote Controller Display Meaning of symbols on the liquid crystal display Symbols Meaning FEEL mode indicator COOLING indicator DEHUMIDIFYING indicator FAN ONLY OPERATION indicator HEATING indicator SIGNAL RECEPTION indicator TIMER OFF indicator TIMER ON indicator AUTO FAN indicator LOW FAN SPEED indicator MIDDLE FAN SPEED indicator HIGH FAN SPEED indicator SLEEP indicator...
Page 19 ANTI-MILDEW indicator BATTERY indicator CLOCK indicator Mute indicator Replacement of batteries Remove the battery cover plate from the rear of the remote controller, by sliding it in the direction of the arrow. Install the batteries according the direction (+and -)shown on the Remote Controller. Reinstall the battery cover by sliding it into place Use 2 LRO 3 AAA (1.5V batteries.
Page 20 3. When you insert the batteries for the first time in the remote controller or if you change them, you need to program the remote controller of only coo- ling or cooling and heating. When you insert the batteries, the symbols (COOL ) and (HEAT...
Page 21 Recommendations for locating and using the remote controller holder (if present) The remote controller be kept in a wall-mounted holder Remote Controller Holder...
Page 22: Operating Instructions
OPERATING INSTRUCTIONS The air sucked by the fan enters from the grill and passes through the filter, then Filter it is cooled/dehumidified or heated through the heat exchanger. The direction of the air outlet is moto- rized up and down by flaps, and manually moved right and left by the vertical deflectors, for some models, the vertical deflectors could be controlled by motor...
Page 23: Cooling Mode
The deflectors are positioned manually and placed under the flaps. They allow to direct the air flow rightward or leftward.  This adjustment must be done while the appliance is switched off.  Never position "Flaps" manually, the delicate mechanism might seriously damaged! ...
Page 24: Heating Mode
Heating Mode (only for heat pump models) The heating function allows the air conditioner to heat the room. To activate the heating function (HEAT), press the button until the symbol (HEAT ) appears on the display. With the button set a temperature higher than that of the room.
Page 25 NOTE! Before proceeding with the time: program the working mode with the button 2. and the fan speed with the button 3. Switch the conditioner off (with the key  To cancel the setted function, press the button again.  In case of power off, it is necessary to set ON again.
Page 26: Timer Mode-Timer Off
Timer Mode-Timer OFF To set the automatic switching off of the air conditioner. The timer stop is programmed by pressing . Set the rest time by pressing the button , until the rest time displayed is to your demand then press again.
Page 27: Dry Mode
Dry Mode This function reduces the humidity of the air to make the room more comfortable. To set the DRY mode, Press untill (DRY ) appears in the display. An automatic function of alternating cooling cycles and air fan is activated. Feel Mode Automatic mode.
Page 28: Sleep Mode
Sleep Mode To activate the SLEEP mode of operation, press button on the remote con- troller until the symbol (AUTOQUIET) appears on the display. The function “SLEEP” automatically adjusts the temperature to make the room more comfortable during the night. In cooling or dry mode, the set temperature will automativally raise by 1°C every 60 minutes, to achieve a...
Page 29: Protection
PROTECTION The air conditioner is programmed for comfortable and suitable living conditions, if it is used in abnormal conditioner as below, certain safety protection features might come into effect. T1 climate condition models: Mode Ambient Temperature Outdoor temperature is over 24°C Outdoor temperature is Heating below - 7 °C...
Page 30: Installation Manual
INSTALLATION MANUAL Important Considerations WARNING!  The air conditioner you buy must be installed professional personnel and the "Installation manual" is used only for the professional installation personnel! The installation specifications should be subject to our after- sale service regulations. ...
Page 31: The Maximum Charge And The Required Minimum Floor Area
The maximum charge and the required minimum floor area =(4 m LFL, m = (26 m LFL, m = (130 m Where is the lower flammable limit in kg/ m R290 LFL is 0.038 kg/ m , R32 LFL is 0.306 kg/ m For the appliances with a charge amount m <...
Page 32 Table GG.2 – Minimum room area (m Charge amount ( ) (kg)nMinimun room area (m Category (kg/m 0.152kg 0.228kg 0.304kg 0.456kg 0.608kg 0.76kg 0.988kg R290 0.038 1514 0.306 1.224kg 1.836kg 2.448kg 3.672kg 4.896kg 6.12kg 7.956kg...
Page 33: Installation Safety Principles
Installation Safety Principles Site safety Ventilation Necessary Open Flames Prohibited 2. Operation safety Open Flames Prohibited Mind Static Electricity Must wear protective clothiing and anti-static gloves Don’t use mobile phone 3. Installation Safety  This picture is the schematic diagram Refrigerant Leak Detector of a refrigerant leak detector.
Page 34 NOTE:  It is necessary to choose the site convenient for installation or maintenance wherein the air inlets and outlets of the indoor and outdoor units should be not surrounded by obstacles or close to any heat source or combustible and/or explosive environment.
Page 35: Special Tools
Special Tools Tool Name Requirement(S) For Use Mini Vacuum Pump It should be an explosion-proof vacuum pump; can ensure certain precision and its vacuum degree should be lower than I0Pa. Filling Device It should be a special explosion-proof filling device; have certain precision and its filling deviation should be less than Leak Detector It should be calibrated regularly;...
Page 36: Selecting The Installation Place
Selecting the Installation Place Indoor Unit  Install the indoor unit on a strong wall that is not subject to vibra- tions.  The in let and outlet ports should not be obstructed:the air should be able to blow all over the room. ...
Page 37 Outdoor Unit Do not install the outdoor unit near sources of heat, steam or flammable gas.  Do not install the unit in too windy or dusty places.  Do not install the unit where people often pass.Select a place where the air discharge and operating sound...
Page 38: Installation Of The Indoor Unit
Installation of the Indoor Unit Before starting installation, decide on the position of the indoor and outdoor units, taking into account minimum space reserved around the units  Do not install your air condi- tioner in a wet room such as a bath-room or laundry, etc.
Page 39 Drilling a hole in the wall for the piping Make the piping hole ( 55) in the ɸ wall at a slight downward slant to the outdoor side. 2. Insert the piping-hole sleeve into the hole to prevent the connection piping and wiring from being...
Page 40 Refrigerant piping connection The piping can in the 3 directions indicated by numbers the picture. When the piping is run in direction lor3, cut a notch along the groove on the side of the indoor unit with a cutter. Run the piping in the direction of the wall hole and bind the copper pipes, the drain pipe and the power cables together with the tape with the drain...
Page 41 Indoor unit condensed water drainage The indoor unit condensed water drainage is fundamental for the success of the installation. Place the drain hose below the piping, taking care not to create siphons. 2. The drain hose must slant down- wards to aid drainage. 3.
Page 42  The outdoor unit should be installed on a solid wall and fastened securely.  The following procedure must be observed before connecting the pipes and connecting cables: decide which is the best position on the wall and leave enough space to be able to carry out maintenance easily.
Page 43: Installation Of The Outdoor Unit
Installation of the Outdoor Unit Electrical connections Remove the handle on the right side plate of outdoor unit. 2. Connect the power connection cord to the terminal board. Wiring should fit that of indoor unit. 3. Fix the power connection cord with wire clamp.
Page 44 Bleeding Air and humidity left inside the refrigerant circuit can cause compressor malfunction. After having connected the indoor and outdoor units, bleed the air and humidity from the refrigerant circuit by using a vacuum pump Refrigerant pressure inspection The low pressure range of refrigerant R290 is 0.4-0.6 Mpa, and the high pressure range is 1.5-2.0Mpa;...
Page 45: Operation Test
6. Open the 2-way valve by 1/4 tum and then close it after! 0 seconds. Check all the joints for leaks using liquid soap or an electronic leak device. 7. Turn the body of the 2-way and 3-way valves. Disconnect the vacuum pump hose.
Page 46 Outdoor unit test ls there any abnormal noise or vibration during operation?  Could the noise, the air flow or the condensed water drainage disturb the neighbours?  Is there any coolant leakage? NOTE: The electronic controller allows the compressor to start only three minutes after voltage has reached the system.
Page 47: Information For The Installer
Information for the Installer Model capacity (Btu/h) 9k/12k 18k/24k Length of pipe with standard charge Maximum distance between indoor outdoor unit Additional refrigerant 15g/m 25g/m charge Max different in level between indoor outdoor unit Type of refrigerant (1) R32/R290 R32/R290 Refer to the data rating label sticked on the outdoor unit.
Page 48: Wiring Diagram
Wiring Diagram For different models, the wiring diagram may be different. Please refer to the wiring diagrams pasted on the indoor unit and outdoor unit respectively. On indoor unit, the wiring diagram is pasted under the front panel; On outdoor unit, the wiring diagram is pasted on the backside of the outdoor handle over.
Page 49: Cable Wires Specification
Cable Wires Specification 15/18 22/24K 28/30/3 Model Capaciity (Btu/H) Sectional Area 1.0m 1.0m 1.0m 1.0mm 1.5mm 2.5mm 4.0mm (1.5mm AWG14 AWG12 AWG18 AWG16 H05RN-F (AWG16) 1.0mm 1.5mm 2.5mm 4.0mm Power (1.5mm AWG14 AWG12 supply AWG18 AWG16 H05RN-F cable (AWG16) 1.0m 1.0m 1.0m 1.0mm...
Page 50 Inverter Type 12k18/22k Model Capacity (Btu/H) Sectional Area Power 1.0mm 1.0mm 1.5mm 2.5mm supply (1.5 mm (1.5 mm AWG16 AWG14 cablle AWG18 AWG18 (AWG16) (AWG16) 1.0mm 1.0mm 1.5mm 2.5mm (1.5 mm (1.5 mm AWG16 AWG14 AWG18 AWG18 (AWG16) (AWG16) 1.0mm 1.0mm 1.5mm 2.5mm...
Page 51: Maintenance
MAINTENANCE Periodic maintenance is essential for keeping your air conditioner efficient. Before carrying out any main-tenance, disconnect the power supply by taking the plug out from the socket. Indoor Unit Antidust filters Open front panel following the direction the arrow Keeping the front panel raised with one hand, take...
Page 52: Cleaning The Heat Exchanger
Cleaning the Heat Exchanger Open the front panel of the unit and life it till its greatest stroke and then unhooking it from the hinges to make the cleaning easier. 2. Clean the indoor unit using a cloth with the water (not higher than 40C) and neutral soap.
Page 53: Troubleshooting
TROUBLESHOOTING Malfunction Possible cause Power failure/plug pulled out Damaged indoor/outdoor unit fan motor Faulty compressor thermomagnetic circuit breaker Faulty protective device or fuses. The appliance does not operate. Loose connections or plug pulled out It sometimes stops operating to protect the appliance.
Page 54: Error Signals On The Display
Switch off the air conditioner immediately and cut off the power supply in the event of:  Strange noises during operation.  Faulty electronic control board  Faulty fuses or switches.  Spraying water or objects inside the appliance.  Overheated cables or plugs.
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