For authorized service personnel only. MANUEL D’INSTALLATION APPAREIL EXTÉRIEUR Pour le personnel d’entretien autorisé uniquement. MANUAL DE INSTALACIÓN UNIDAD EXTERIOR Únicamente para personal de servicio autorizado. Français OUTDOOR UNIT Español INSTALLATION MANUAL English AIR CONDITIONER PART No. 9379069762 9379069762_IM.
Contents If Necessary, Get Help 1. SAFETY PRECAUTIONS............................................................................................. 2 1.1. IMPORTANT! Please read before starting.......................................................... 2 1.2. Special precautions............................................................................................. 2 2. ABOUT THIS PRODUCT............................................................................................. 3 2.1.
When installing and relocating the air conditioner, do not mix gases other than the specified refrigerant (R410A) to enter the refrigerant cycle. If air or other gas enters the refrigerant cycle, the pressure inside the cycle will rise to an abnormally high value and cause rupture, injury, etc. For the air conditioner to work appropriately, install it as written in this manual. To connect the indoor unit and outdoor unit, use air conditioner piping and cables available locally as standard parts.
2.4. Optional parts 3.3. Protection of pipes Parts name Model name External connect kit (for External input/output) UTY-XWZXZ3 Protect the pipes to prevent the entry of moisture and dust. Especially, pay attention when passing the pipes through a hole or connecting the end of a pipe to the outdoor unit. Location 2.5.
CAUTION Do not install the outdoor unit in the following areas: • Area with high salt content, such as at the seaside. It will deteriorate metal parts, causing the parts to fail or the unit to leak water. • Area filled with mineral oil or containing a large amount of splashed oil or steam, such as a kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.
4.3.2. Multiple outdoor unit installation • Provide at least 9/16in. (15mm) of space between the outdoor units if multiple units are installed. • When routing the piping from the side of an outdoor unit, provide space for the piping. • No more than 3 units must be installed side by side. When 3 units or more are arranged in a line, provide the space as shown in the following example when an obstruction is present also in the upward area. 4.4. Transporting the unit WARNING Do not touch the fins.
5. PIPE INSTALLATION-1 5.2. Brazing CAUTION 5.1. Opening a knock out hole If air or another type of refrigerant enters the refrigeration cycle, the internal pressure in the refrigeration cycle will become abnormally high and prevent the unit from exerting its full performance. CAUTION Be careful not to deform or scratch the panel while opening the knock out holes. To protect the piping insulation after opening a knock out hole, remove any burrs from the edge of the hole.
5.3.3. Pipe connection 5.4. Sealing test CAUTION Be sure to install the pipe against the port on the indoor unit and the outdoor unit correctly. If the centering is improper, the flare nut cannot be tightened smoothly. If the flare nut is forced to turn, the threads will be damaged. Do not remove the flare nut from the outdoor unit pipe until immediately before connecting the connection pipe. After installing the piping, make sure that the connection pipes do not touch the compressor or outer panel.
Tightening torque [N·m (lbs·ft)] 10 to 12 (7 to 9) Charging port cap Service hose with valve core Charging port cap Charging port Blank cap 3-way valve Connecting pipe 6. ELECTRICAL WIRING 6.1. Notes for electrical wiring WARNING Wiring connections must be performed by a qualified person in accordance with the specifications. The voltage rating for this product is 220-240 V at 50 Hz. It should be operated within the range of 198 to 264 V. Before connecting the wires, make sure the power supply is OFF.
How to connect wiring to the terminal Caution when wiring cable Fig. B When stripping off the coating of a lead wire, always use a special tool such as a wire stripper. If there is no special tool available, carefully strip the coating with a knife etc. (1) Use ring terminals with insulating sleeves as shown in the figure below to connect to the terminal block. Installation method of conduit plate Please fix the conduit plate (accessory) as shown in the figure below.
(2) After connecting the wires, use cable clips to secure the wires. (Fig. B) • Connect the wires without applying excessive tension. Fig. B 7. PIPE INSTALLATION-2 WARNING Install the insulated pipes so that they do not touch the compressor. Terminal blocks Terminal nameplate 1 2 3 INDOOR UNIT G L 1 N POWER 2 3 L1 L2 INDOOR UNIT POWER G 7.1. Installing insulation • Use an insulation on the refrigerant pipes to prevent condensation and dripping. (Fig.
8. HOW TO OPERATE DISPLAY UNIT 8.2. Description of display and button 8.1. Display unit position Display lamp WARNING Never touch electrical components such as the terminal blocks except the button on the display board. It may cause a serious accident such as electric shock. CAUTION Once refrigerant charging is completed, be sure to open the valve prior to performing the field settings. Otherwise, the compressor may fail. Discharge any static electricity from your body before touching the push buttons.
9.2. Function settings • Various functions can be set. Follow the setting method described in 9.2.1. to set as per the requirement. Perform these settings after the indoor unit stops. Table.
10. EXTERNAL INPUT AND OUTPUT 10.2. External output Wall mounted model cannot use this function. 10.1. External input 10.1.1. Wiring of connector ON/OFF of the “Low noise mode”, and “Peak cut mode” functions can be enabled with an external field device. When installing connection cable, specified part (optional parts) must be used. Refer to section 9.2, Table. Settings List, for the required function. The function must be set for the external input to work. Input Connector No.
11.2.1. Setting method on outdoor unit board 11. TEST RUN (1) Turn on the power of the outdoor unit and enter standby mode. “POWER/MODE” Lamp lights up. 11.1. Pre-test run check items Before the test operation, refer to the figure and check the following items. Is the outdoor unit securely installed? POWER/ MODE ERROR ● ○ ○ PUMP DOWN (L1) ● ○ LOW NOISE (L2) ○ PEAK CUT (L3) ○ Sign “ ”: Lights off, “ ”: Lights on (2) Press the “ENTER” button for more than 3 seconds.
12. ERROR CODE 12.1. Error display mode You can determine the operating status by the lighting up and blinking of the LED lamp. Display when an error occurs. POWER/ MODE LED display part ERROR PUMP DOWN (L1) LOW NOISE PEAK CUT (L2) (L3) (L4) (L5) (L6) ● ○ ○ Sign “○”: Lights off, “●”: Lights on ○ ○ ○ ○ Blink (Hi speed) (1) Check that the “ERROR” LED blinks, then press the “ENTER” button once. (2) For details, refer to the following table. 12.2.
13. PUMP DOWN 13.2. Pump down procedure WARNING (1) Check the 3-way valves (both the liquid side and gas side) are opened. Never touch electrical components such as the terminal blocks except the button on the display board. It may cause a serious accident such as electric shock. During the pump-down operation, make sure that the compressor is turned off before you remove the refrigerant piping. Do not remove the connection pipe while the compressor is in operation with valves open.
