THANK YOU LETTER Thank you for choosing Kaysun! Before using your new Kaysun product, please read this manual thoroughly to ensure that you know how to operate the features and functions that your new appliance offers in a safe way. CONTENTS THANK YOU LETTER SAFETY PRECAUTIONS...
SAFETY PRECAUTIONS It’s really important you 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. Explanation of Symbols Warning of electrical voltage This symbol indicates that there is a danger due to voltage.
Do not operate the air conditioner in places near or around combustible gases. ● Emitted gas may collect around the unit and cause explosion. Do not operate your air conditioner in a wet room such as a bathroom or laundry ●...
Page 6
UV-C lamp(Applicable to the unit contains an UV-C lamp only) This appliance contains a UV-C lamp. Read the maintenance instructions before opening the appliance. 1. Do not operate UV-C lamps outside of the appliance. 2. Appliances that are obviously damaged must not be operated. 3.
Page 7
Turn o and unplug the unit during storms. ● Make sure that water condensation can drain unhindered from the unit. ● Do not operate the air conditioner with wet hands. This may cause electric shock. ● Do not use device for any other purpose than its intended use. ●...
Reusable mechanical connectors and ared joints are not allowed indoors. ● (EN Standard Requirements). Mechanical connectors used indoors shall have a rate of not more than 3g/year at ● 25% of the maximum allowable pressure. When mechanical connectors are reused indoors, sealing parts shall be renewed.
PRODUCT OVERVIEW NOTE ON ILLUSTRATIONS: Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly di erent. The actual shape shall prevail. Type A Air outlet Display panel Drain pipe Air inlet Outdoor Unit (A) Connecting pipe Front grille...
Page 10
PRODUCT OVERVIEW NOTE ON ILLUSTRATIONS: Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly di erent. The actual shape shall prevail. Type B Air outlet Display panel Drain pipe Air inlet Outdoor Unit (A) Connecting pipe Front grille...
PRODUCTION INSTALLATION 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 fire, or cause the equipment to fail. The items are not included with the air conditioner must be purchased separately.
INSTALLATION SUMMARY - INDOOR UNIT Install the indoor unit Install the drainpipe Install the outdoor unit L(L1) N(L2) Evacuate the Connect the wires Connect the refrigerant refrigeration system pipes Install the front panel Perform a test run...
Install You Indoor Unit Select installation location NOTE Before installing the indoor unit, refer to the label on the product box to make sure that the model number of the indoor unit matches the model number of the outdoor unit. Panel installation should be performed after piping and wiring have been completed.
Page 14
Confirm various sizes Recommended distances between the indoor unit and the ceiling The distance between the mounted indoor unit and the internal ceiling should meet the following specifications. Ceiling Front panel B (Ceiling hole) Ceiling board >250cm / 98.4” Ground Distance from ceiling relative to height of indoor unit TYPE MODEL...
Page 15
Hang indoor unit 1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 1m (39”) on all sides. The cut hole size should be 4cm(1.6”) larger than the boby size. Be sure to mark the areas where ceiling hook holes will be drilled. Refrigerant piping side Drain hose side Refrigerant piping side...
Page 16
CAUTION The unit body should align perfectly with Refrigerant piping side Drain hose side the hole. Ensure that the unit and the hole are the same size before moving on. Drill 4 holes 5cm (2”) deep at the ceiling hook positions in the internal ceiling.
Page 17
NOTE FOR NEW HOME INSTALLATION When installing the unit in a new home, the NOTE: The bottom of the unit should be ceiling hooks can be embedded in advance. 10-25mm(0.4-0.98”)higher than the ceiling Make sure that the hooks do not come loose board.
Page 18
Indoor Drainpipe Installation Wall Install the drainpipe as illustrated in the following CAUTION Figure. When drilling the wall hole, make sure to Drain hose avoid wires, plumbing, and other sensitive components. ≈ 12mm / 0.5 inch Step 5: Connect drain hose Insulation Drainpipe Metal clamp...
Page 19
NOTE ON DRAINPIPE INSTALLATION • 0-53cm When using an extended drainpipe, tighten (20.8”) the indoor connection with an additional protection tube to prevent it from pulling loose. The drainpipe should slope downward at a • ≥10cm gradient of at least 1/100 to prevent water (4”) from flowing back into the air conditioner.
Install Your Outdoor Unit Select installation location : PRIOR TO INSTALLATION NOTE Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: 60cm(24")...
Page 21
Install drain joint(Heat pump unit only) Base pan hole of outdoor unit Step 1: Find out the base pan hole of outdoor unit. Seal Step 2: Fit the rubber seal on the end of the drain joint that will connect to the ●...
Anchor Outdoor Unit WARNING WHEN DRILLING INTO CONCRETE, EYE PROTECTION IS RECOMMENDED AT ALL TIME. The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare ● the installation base of the unit according to the dimensions below. The following is a list of di erent outdoor unit sizes and the distance between their mounting feet.
Refrigerant Piping Connection When connecting refrigerant piping, DO NOT let substances or gases other than the specified 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.
Connection Instructions—Refrigerant Piping CAUTION • The branching pipe must be installed horizontally. An angle of more than 10° may cause malfunction. DO NOT install the connecting pipe until both indoor and outdoor units have been installed. • • Insulate both the gas and liquid piping to prevent condensation. Step 1: Cut pipes Step 2: Remove burrs When preparing refrigerant pipes, take...
• Clamp flare from on the end of the pipe. The end of the pipe must extend beyond the flare form. Flare form Pipe • Place flaring tool onto the form. • Turn the handle of the flaring tool clockwise Torque wrench until the pipe is fully flared.
Page 26
Installation Of The Throttle (Some Models) Throttle Liquid pipe Gas pipe CAUTION For ensuring throttled e ciency, please mount the throttle as horizontally as possible. Outdoor Indoor Indoor Outdoor Indoor Outdoor • Wrap the supplied anti-shock rubber at external of the throttle for denoise. Anti-shock rubber Throttle...
Wiring Precautions WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. All wiring must comply with local and national Do not let wires touch or rest against ● ● electrical codes, regulations and must be installed refrigerant tubing, the compressor, or any by a licensed electrician.
NOTE ON AIR SWITCH When the maximum current of the air conditioner is more than 16A, an air switch or leakage protection switch with protective device shall be used(purchased seperately). When the maximum current of the air conditioner is less than 16A, the power cord of air conditioner shall be equipped with plug (purchased seperately).
Page 29
Minimum Cross-Sectional Area of 4. Clamp down the cable with the cable clamp. Power and Signal Cables-For reference 5. Insulate unused wires with electrical tape. (Not applicable for North America) Keep them away from any electrical or metal parts. Nominal Cross-Sectional Rated Current of Appliance (A) Area (mm )
Page 30
OUTDOOR UNIT WIRING 1. Prepare the cable for connection Magnetic ring (if supplied and packed with the accessories) a. Using wire strippers, strip the rubber jacket from both ends of the signal cable to reveal about 15cm (5.9”) of the wire. 1 2 3 b.
Page 31
Power Specifications(Not applicable for North America) NOTE Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A. The circuit breaker/fuse specification shall be subject to the unit nameplate. (applicable for Australian model) Indoor Power Supply Specifications MODEL(Btu/h) ≤18K 19K~24K 25K~36K...
Air Evacuation NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. Close the Low Pressure side of the manifold Preparations and precautions gauge, and turn o the vacuum pump. Wait for 5 minutes, then check that there Air and foreign matter in the refrigerant circuit has been no change in system pressure.
Note On Adding Refrigerant CAUTION DO NOT mix refrigerant types. Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5m (25’). In other areas, the standard pipe length is 5m (16‘).
Panel Installation Adjust the panel by turning it to the arrowed CAUTION direction so that the ceiling opening is completely covered. DO NOT place the panel facedown on the Latch floor, against a wall, or on uneven surfaces. Piping side Drain side Super-Slim models Step 1: Remove the front grille.
Page 36
Decoration Water condensation panel CAUTION Screws (M5) Failure to tighten screws can cause water (supplied with leakage. the panel) After installing the decoration panel, ensure that there is no space between the unit body Loosen upper nut and decoration panel. Otherwise air may leak through the gap and cause dewdrop.
Page 37
Step 3: Install the panel with four screws(M5), Step 5: Fasten the control box lid with 2 as shown. screws . Step 6: Close the intake grille, and close the 2 grille hooks. Step 1: Remove the front grille. 1. Push both of the tabs towards the middle simultaneously to unlock the hook on the grille.
Page 38
Hang the intake grille on the panel, and then Into the wind Main body Outlet foam connect the lead connectors of the louver motor and the control box on the panel to the Ceiling corresponding connectors of the main body. Panel side sponge Bolt...
Test Run CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. f. Check to see that the drainage system is Before test run unimpeded and draining smoothly. g. Ensure there is no vibration or abnormal A test run must be performed after the entire noise during operation.
Packing And Unpacking The Unit Instructions for packing unpacking the unit: Unpacking: Indoor unit: 1.Cut the packing belt. 2. Unpack the package. 3. Take out the packing cushion and packing support. 4. Remove the packing film. 5. Take out the accessories. 6.
OPERATION INSTRUCTIONS NOTE Di erent models have di erent front panel and display window. Not all the indicators describing ● below are available for the air conditioner you purchased. Please check the indoor display window of the unit you purchased. Illustrations in this manual are for explanatory purposes.
Page 42
(A-3) Display panel Infrared Manual display receiver button Louver Air outlet Air inlet Operation Alarm Timer indicator indicator indicator PRE-DEF (pre-heating/defrost) indicator Display panel Electric heating indicator Alarm indicator ( some models) When wireless control LED display feature is activated ( some models) Timer PRE-DEF indicator...
Operating Temperature When your air conditioner is used outside of the following temperature ranges, cer- tain safety protection features may activate and cause the unit to disable. Inverter Split Type COOL Mode HEAT Mode DRY Mode Room 17°C~32°C(62°F~90°F) 0°C~30°C(32°F~86°F) 10°C~32°C(50°F~90°F) Temp.
Other features Default Setting Refrigerant Leak Detection System (some models) When the air conditioner restarts after a power failure, it will default to the factory settings In the event of a refrigerant leak, the LED (AUTO mode, AUTO fan, 24°C (76°F)). This DISPLAY will display refrigerant leak error code may cause inconsistencies on the remote and the LED indicator light will flash.
CARE AND MAINTENANCE CAUTION • The cooling e ciency of your unit and your health would be damaged for the glogged AC, Make sure to clean the filter every two weeks. • Always TURN OFF your AC system and disconnect its power supply before cleaning or maintenance.
CAUTION • Before changing the filter or cleaning, turn o • Do not expose filter to direct sunlight when drying. This can shrink the filter. the unit and disconnect its power supply. • When removing filter, do not touch metal •...
TROUBLESHOOTING CAUTION 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 •...
Page 48
Issue Possible Causes The outdoor unit The unit will make different 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.
Page 49
Problem Possible Causes Solution Wait for the power to be restored Power failure The power is turned off 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’s 3-minute protection Wait three minutes after restarting has been activated...
Page 51
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. QS002UI-Q4 16122500000728 20230606...
Need help?
Do you have a question about the Kaysun KCISA-71 DVR15 and is the answer not in the manual?
Questions and answers