Ductless Split Air Conditioner Indoor Outdoor AW12LC2VH* 1U12LC2VHA AW18LC2VH* 1U18LC2VHA AD12SL2VH* AD18SL2VH* AB 12SC2VH* AB 18SC2VH* Installation Manual Table of Cont ents Nomenclature ..........................2 ........................3 Safety ............................4 Section A - Outdoor Unit Installation ................... 7 Section B - Indoor Unit Installation - Wall Mount ................13 Section C - Indoor Unit Installation - Cassette ................17...
Nomenclature Nomenclature 1 U 18 ES 2 V H A 1 U 18 LC 2 V H A Unit Type Unit Type A = Indoor Unit Product Revision 1 = Single Zone Outdoor 1 = Single Zone Outdoor 2 = Two Zone Outdoor 2 = Two Zone Outdoor 3 = Three Zone Outdoor 3 = Three Zone Outdoor...
SAFETY OVERVIEW Read These Safety Precautions Be sure to read the safety precautions before conducting work. The items are classified into “Warning” and “Caution.” The “Warning items are especially important since they can lead to death or serious injury if not followed closely. The “Caution” items can also lead to serious accidents under some conditions if they are not followed.
SAFETY OVERVIEW Read These Safety Precautions Be sure to use the specified cable to connect between the indoor and outdoor units. Make the Replace power cables and lead wires if they are connections securely and route the cable properly scratched or deteriorated. Damaged cable and so that there is no force pulling the cable at the wires can cause electrical shock, excessive heat connection terminals.
Section A - Outdoor Unit Installation Step 1 - Installation of the Outdoor Unit Attaching Drain Elbow to Outdoor Unit (Heat Pump models only) Step - 1.1 If attaching the supplied drain elbow to the outdoor unit, do so prior to attaching the refrigerant lines and wiring. Step1.2 Step 1.1 Electrical Connections for the Outdoor Unit...
Step - 2.3 Two wrenches are required to join the flare connections, one standard wrench, and one torque wrench. See Table 1 for the specific torque per piping diameter. Forced fastening without careful centering may Half union Flare nut damage the threads and cause a leakage of gas. Step 2.3 Pipe Diameter(ǿ) Fastening torque...
Step - 3.3 Remove the adapter and hose connection from the suction line port, and replace the cap. Step - 3.4A & 3.4B Remove the cap from the liquid line valve. Using the hex wrench, open the valve, then replace and tighten the cap. Step 3.3 Step 3.4A Step - 3.5A &...
Step 4 - Charging See Steps 5.2 - 5.5 for evacuating the system prior to System Test charging. The standard lineset length is 25ft. If the installation length is different, adjust the refrigerant charge by .2 oz / ft. Please kindly explain to our customers how to operate for the 9K, 12K, 18K, and 24K model.
Section 5 - Explaining Operation to the End User • Using the OPERATING INSTRUCTIONS, explain to the user how to use the air conditioner (the remote controller, removing the air filters, placing or removing the remote controller from the remote controller holder, cleaning methods, precautions for operation, etc.) •...
(Unit: inch) Arrangement of piping directions more than 4in. Rear left Rear Left right Right Dimensions(inches) Model Below 1U12LC2VHA 5 1/2” 19 5/8” 5 1/2” 10 1/16” more than more than 4in. 4in. 4 1/2” The marks from 1U18LC2VHA 4 1/2”...
Step 2 - Installation of Wall Mount Type Indoor Unit Attaching the Mounting Plate to the Wall Step 2.1 Using a stud sensor, locate and mark the stud positions in the wall where the indoor unit is to be mounted. Step 2.2 Place the mounting plate on the wall in the desired location taking into account the minimum clearances necessary for...
Mounting the Indoor Unit Onto the Wall Plate Step 2.9 With the top of the indoor unit closer to the wall, hang the indoor unit on the upper hooks of the mounting plate. Slide the unit slightly side to side to verify proper placement of the indoor unit on the mounting plate.
Section C - Indoor Unit Installation - Cassette Introduction - Overview Cassette Product Information The Cassette Indoor Air Handler ships consists of a cassette assembly and operational louver. The Cassette Indoor Unit Factory Supplied Remote is operated via a factory supplied remote control. Wired See Section F for more information controller is optional.
Introduction - Overview Fresh Air Intake Option Electrical Power The cassette has a marked area to cut out if outside air is Follow all local codes and regulations when installing electrical desired. The piping connection should be made with a 4 inch wiring.
Step 1 - Preparation Required Tools for Installation Procedure for Selecting the Location • Place above the ceiling where you have Note: • Drill enough space to position the unit. 1) R-410A refrigerant is a safe, nontoxic and • Wire Snipper •...
Step 2 - Installation of the Cassette Unit Step 2.1 Step By Step Guide To Cassette Installation Step 2.1 Use cardboard template to locate center point of cassette for mounting. Use a plumb bob and string to position cassette by referencing center hole of template. Mark the mounting positions of the threaded rods using the guides on the cardboard template.
Step 2 - Installation of the Cassette Unit Step 2.5A Step 2.8A Step 2.5B Step 2.8B Step 2.6 Step 2.8C Step 2.7 Step 2.8D INSTALLATION PAGE 21...
Step 3 - Electrical Connections Electrical Connections Indoor and Outdoor Units 14 AWG Stranded Wire Only. (Central Controller Not Used) Maintain 10 feet of separation between TV and any Radio wiring. Outdoor unit Indoor uni t 3wire 1 4AWG Control Wiring Power Wiring Outdoor unit...
Section D - Indoor Unit Installation - Slim Duct Introduction - Overview Slim Duct Product Information The Slim Duct Indoor Air Handler ships consisting of a single YR-E17 Wired Controller assembly. The Slim Duct indoor unit is operated via a factory supplied wired remote control.
Introduction - Overview Condensate Handling Electrical Power The Slim Duct unit has a built-in condensate pump and water Follow all local codes and regulations when installing electrical level safety switch. There are also two optional ports for wiring. gravity drainage. The condensate pump is rated to lift water Route required electrical power to area where the Slim Duct up to 24”...
Step 1 - Preparation Required Tools for Installation Procedure for Selecting the Location • Place above the ceiling or in soffit area • Drill • Wire Snipper where you have enough space to position Note: • Hole Saw 2 3/4” the unit.
Step 2 - Installation of the Slim Duct Unit Step 2.1 Step By Step Guide To Slim Duct Unit Installation Step 2.1 Determine and mark the position of where the Slim Duct unit is to be installed. Install the hardware necessary to mount the threaded rods.
Step 2 - Installation of the Slim Duct Unit Step 2.5 Step 2.7A Step 2.7B Step 2.5A Re-install electrical box cover Step 2.6 Step 2.8 Rear side air inlet Diffuser Return Duct Bottom side air inlet Step 2.7 Diffuser Return Duct INSTALLATION IS NOW COMPLETE INSTALLATION PAGE 27...
Step 3 - Electrical Connections Electrical Connections Indoor and Outdoor Units 14 AWG Stranded Wire Only. (Central Controller Not Used) Maintain 10 feet of separation between TV and any Radio wiring. Outdoor unit Indoor uni t 3wire 1 4AWG Control Wiring Power Wiring Note: Slim Duct unit ships with YR-E17 wired controller.
Section E - Wired Controller YR-E17 WIRED CONTROL PANEL FUNCTIONS Features and Interface Clock; Parameter setting/Inquiry; Malfunction display Timer ON/OFF; Sleep function; Parameter setting/Inquiry; Malfunction display ROOM/SET temp. and humidity display, each step is 0.5°C (1°F). For example, if the temp is 25°C (77°F), it will display 25.°C (77°F).
REMO TE C ONTR OLS WIRED CONTROLLER INSTALLATION Wired Controller Wiring Instructions Communication Wiring Step By Step Guide To Slim Duct Unit Installation Communication Wiring Dimension of Wiring There are three methods connect the wired controller to Length the indoor units. 0~100 ft (0~30m) 22AWG(0.3mm )x3-core...
WIRED CONTROLLER INSTALLATION Wired Controller Wiring Instructions Dimensions Unit: inch (mm) Dip Switch Dip Switch ON/OFF Function Default Setting Set as the slave controller SW1-1 Set as the master controller Ambient temp. display available SW1-2 Ambient temp. display unavailable Display ambient temp. from PCB of indoor SW1-3 Display ambient Temp.
WIRED CONTROLLER OPERATION Settings & Functions Switching between Fahrenheit & Celsius Initialization To switch from Celsius to Fahrenheit, select the mode you The wired controller will wish to operate (COOL, HEAT, DRY, INTELLIGENT/AUTO). momentarily display Press and hold the p key to reach 30 °C then continue holding all display icons upon the p key for 15 seconds until the display reads 86 °F.
WIRED CONTROLLER OPERATION Settings & Functions Timer Function Setting ECO Energy Saving Function NOTE: This function requires the ON/OFF key LED to be NOTE: The display backlight must be illumi- turned ON and the screen backlight to be illuminated. nated before proceeding. To turn the back- light on, press any key (MODE, FAN, pq, Press the SET key.
WIRED CONTROLLER OPERATION Settings & Functions Left/Right/Up/Down Swing Forced Cooling/Heating Note: This function requires the ON/OFF key LED to be The swing function deter- turned OFF and the screen backlight to be illuminated. mines air circulation. Forced Cooling 1. Press SET key to access When the system is turned off in cooling mode, press and hold Swing function circulation.
WIRED CONTROLLER OPERATION Settings & Functions Sleep Function Other Functions Note: These functions require the ON/OFF key LED to be NOTE: This function requires the ON/OFF key LED to be turned OFF and the screen backlight to be illuminated. turned ON and the screen backlight to be illuminated. Press the SET key.
Section F - Wireless Remote Controller Note: TURBO/QUIET modes are only available when the unit is un- Functions der cooling or heating mode (not for auto or fan mode). Running the unit in QUIET mode for a long period of time may cause the room temperature to not reach the set temperature.
WIRELESS REMOTE CONTROLLER OPERATION 4. Once the desired length of time is selected for the unit to Louver SWING Button - Vertical turn on, press the CONFIRM/CANCEL to confirm Air Flow Direction Adjustment this setting. Press the SWING UP/DOWN button to choose the position of the vertical airflow louvers.
WIRELESS REMOTE CONTROLLER OPERATION the time. After replacing batteries or a power failure occurs, function. the time setting will need to be reset. EXTRA FUNCTION Button According to the Time setting sequence of TIMER ON or Function: TIMER OFF, either Start-Stop or Stop-Start can be achieved. A) Refresh air - Feature not available on this series.
WIRELESS REMOTE CONTROLLER OPERATION G) Fahrenheit/Celsius mode shift on unit and remote - To switch between Fahrenheit and Celsius press the EXTRA FUNCTION button until either Celsius or Fahrenheit is displayed. Press the CONFIRM/CANCEL button to apply the change. H) 50°F low temperature heating - Feature not available on this series.