Table of Contents Safety Precautions ................04 Owner’s Manual Unit Specifications and Features ............09 1. Indoor unit display ................................09 2. Operating temperature ..............................10 3. Other features ..................................11 Care and Maintenance ..............12 Troubleshooting ................14...
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Installation Manual Accessories ..................17 Installation Summary ..............18 Unit Parts ..................19 Indoor Unit Installation ..............20 1. Select installation location ............................20 2. Hang indoor unit ................................22 3. Drill wall hole for connective piping ..........................24 4. Connect drain hose ................................24 Outdoor Unit Installation ..............
Safety Precautions Read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. WARNING CAUTION This symbol indicates the possibility of This symbol indicates the possibility of personnel injury or loss of life.
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CLEANING AND MAINTENANCE WARNINGS Turn o the device and disconnect the power before cleaning. Failure to do so can cause • electrical shock. Do not clean the air conditioner with excessive amounts of water. • Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents •...
WARNINGS FOR PRODUCT INSTALLATION 1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire. 2. Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or fire. 3.
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WARNING for Using R-32 Refrigerant When ammable refrigerant are employed, appliance shall be stored in a well -ventilated area where the room size corresponds to the room area as specifiec for operation. For R-32 frigerant models: Appliance shall be installed, operated and stored in a room with a oor area larger than X m²...
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European Disposal Guidelines This marking shown on the product or its literature, indicates that waste electrical and eletrical equipment should not be mixed with general household waste. Correct Disposal of This Product (Waste Electrical & Electronic Equipment) This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment.
Unit Specifications and Features Indoor unit display NOTE: Di erent models have di erent display panel. Not all the indicators describing below are available for the air conditioner you purchased. Please check the indoor display panel of the unit you purchased. Illustrations in this manual are for explanatory purposes.
Operating temperature When your air conditioner is used outside of the following temperature ranges, certain safety protection features may activate and cause the unit to disable. Inverter Split Type FOR OUTDOOR UNITS COOL mode HEAT mode DRY mode WITH AUXILIARY ELECTRIC HEATER 17°C - 32°C 0°C - 30°C...
Other features Default Setting Louver Angle Memory Function (some models) When the air conditioner restarts after a power Some models are designed with a louver angle failure, it will default to the factory settings memory function. When the unit restarts after a (AUTO mode, AUTO fan, 24°C).
Care and Maintenance Directly pull out the air lter from the air inlet Cleaning Your Indoor Unit as indicated (applicable to 14~16KW air conditioners only). BEFORE CLEANING OR 4. Remove the air lter. MAINTENANCE 5. Clean the air lter by vacuuming the surface ALWAYS TURN OFF YOUR AIR CONDITIONER or washing it in warm water with mild SYSTEM AND DISCONNECT ITS POWER SUPPLY...
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Maintenance – CAUTION Long Periods of Non-Use Before changing the lter or cleaning, • If you plan not to use your air conditioner for an turn o the unit and disconnect its power extended period of time, do the following: supply.
Troubleshooting SAFETY PRECAUTIONS If any of the following conditions occurs, turn o your unit immediately! The power cord is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •...
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Issue Possible Causes The outdoor unit The unit will make di erent sounds based on its current operating mode. makes noises Dust is emitted from The unit may accumulate dust during extended periods of non-use, which will be either the indoor or emitted when the unit is turned on.
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Problem Possible Causes Solution Wait for the power to be restored Power failure The power is turned o Turn on the power The unit is not The fuse is burned out Replace the fuse working Replace batteries Remote control batteries are dead The Unit’...
Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or cause the equipment to fail. The items are not included with the air conditioner must be purchased separately.
Installation Summary Install the indoor unit Install the drainpipe Install the outdoor unit L(L1) N(L2) Evacuate the refrigeration Connect the wires Connect the refrigerant system pipes Perform a test run Page 18 ...
Unit Parts NOTE: The installation must be performed in accordance with the requirement of local and national standards. The installation may be slightly di erent in di erent areas. Air ow louver (at air outlet) Air inlet (with air lter in it) Installation part Display panel Remote controller...
Indoor Unit Installation DO NOT install unit in the following Installation Instructions – Indoor unit locations: NOTE: Panel installation should be performed Areas with oil drilling or fracking after piping and wiring have been completed. Coastal areas with high salt content in the Step 1: Select installation location Areas with caustic gases in the air, such as Before installing the indoor unit, you must...
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Refrigerant pipe connection (D. gas side) Drain point Refrigerant pipe connection (E. Liquid side) Hook Indoor parts installation size MODEL(Btu/h) Length of A (mm/inch) Length of B (mm/inch) Length of C (mm/inch) Length of D (mm/inch) Length of E (mm/inch) 18K~24K 1068/42 675/26.6...
Step 2: Hang indoor unit CAUTION Wood The unit body must be completely aligned with the hole. Ensure that the unit and the hole are Place the wood mounting across the roof beam, the same size before moving on. then install the hanging screw bolts. 1.
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How to install the conduit installation plate 8. Remove the side board and the grille. (if supplied) Hanging Hanging arm 1. Fix the sheath connector (not supply) on the screw bolt wire hole of the conduit installation plate. 2. Fix the the conduit installation plate on the chassis of the unit.
Indoor Drainpipe Installation Step 3: Drill wall hole for connective piping 1. Determine the location of the wall hole Install the drainpipe as illustrated in the following based on the location of the outdoor unit. Figure. 2. Using a 65mm (2.5in) or 90mm(3.54in) 1-1.5m (depending on models )core drill, drill a (39-59”)
Outdoor Unit Installation Install the unit by following local codes and install unit in the following locations: DO NOT regulations , there may be di er slightly Near an obstacle that will block air inlets between di erent regions. and outlets Near a public street, crowded areas, or where noise from the unit will disturb others Near animals or plants that will be harmed...
Step 2: Install drain joint(Heat pump unit only) Step 3: Anchor outdoor unit Before bolting the outdoor unit in place, you must The outdoor unit can be anchored to the install the drain joint at the bottom of the unit. ground or to a wall-mounted bracket with Note that there are two di erent types of drain bolt(M10).
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(unit: mm/inch) Rows of series installation Outdoor Unit Dimensions Mounting Dimensions The relations between H, A and L are W x H x D Distance A Distance B as follows. 760x590x285 (29.9x23.2x11.2) 530 (20.85) 290 (11.4) 810x558x310 (31.9x22x12.2) 549 (21.6) 325 (12.8) 25 cm / 9.8”...
Refrigerant Piping Connection When connecting refrigerant piping, do not let substances or gases other than the speci ed refrigerant enter the unit. The presence of other gases or substances will lower the unit’ s capacity, and can cause abnormally high pressure in the refrigeration cycle. This can cause explosion and injury.
2. Using a reamer or deburring tool, remove Connection Instructions – all burrs from the cut section of the pipe. Refrigerant Piping Pipe Reamer CAUTION The branching pipe must be installed • Point down horizontally. An angle of more than 10° may cause malfunction.
PIPING EXTENSION BEYOND FLARE FORM CAUTION Pipe Tightening Flare dimension (A) Flare shape torque (Unit: mm/Inch) gauge Ensure to wrap insulation around the piping. • Min. Max. Direct contact with the bare piping may 18-20 N.m 90 ° ± 4 8.4/0.33 8.7/0.34 Ø...
Wiring BEFORE PERFORMING ANY Make sure that you do not cross your electrical wiring with your signal wiring. ELECTRICAL WORK, READ THESE This may cause distortion and REGULATIONS interference. 1. All wiring must comply with local and national The unit must be connected to the electrical codes, regulations and must be main outlet.
Outdoor Unit Wiring Air switch (purchased seperately) Indoor unit power wires WARNING Before performing any electrical or wiring work, turn o the main power to the system. Indoor unit Outdoor unit 1. Prepare the cable for connection a. You must rst choose the right cable size.
4. Connect the u-lugs to the terminals. Using a wire crimper, crimp u-lugs on the ends. Match the wire colors/labels with the labels on the terminal block. Firmly screw the u-lug NOTE: When connecting the wires, strictly of each wire to its corresponding terminal. follow the wiring diagram found inside the Refer to the Serial Number and Wiring electrical box cover.
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Power Specifications NOTE: Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A. Indoor Power Supply Specifications ≤18K MODEL(Btu/h) 19K~24K 25K~36K 37K~48K 49K~60K PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase POWER 208-240V 208-240V 208-240V 208-240V 208-240V VOLT CIRCUIT BREAKER/ 25/20...
Air Evacuation If there is a change in system pressure, refer Preparations and Precautions to Gas Leak Check section for information Air and foreign matter in the refrigerant circuit can on how to check for leaks. If there is no cause abnormal rises in pressure, which can damage change in system pressure, unscrew the cap from the packed valve (high pressure valve).
Note on Adding Refrigerant Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. In other areas, the standard pipe length is 5m (16‘). The refrigerant should be charged from the service port on the outdoor unit’ s low pressure valve. The additional refrigerant to be charged can be calculated using the following formula: Liquid Side Diameter φ6.35(1/4”)
Test Run f. Check to see that the drainage system is Before Test Run unimpeded and draining smoothly. A test run must be performed after the entire g. Ensure there is no vibration or abnormal system has been completely installed. Confirm noise during operation.
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The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version. QS003UI-DL 16122700000381 20200710...