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Do not install the drain hose as illustrated below. iii) Piping and Bandaging Wind the Connective cable, drain hose and wiring tape securely, evenly as shown below. Evaporator (Indoor) Unit Ponding Box Connective Cable Pipe Room Do not put the hose end into water Do not form a rise Connective Pipe Wrapping Belt ii) Connective Pipe Drain Hose Pipe holder Pipe Cover Left piping 3) Evaporator (Indoor) Unit Installation Pipe cover Left back piping Right piping Right back piping i) Pass the piping through the hole in the wall ii) Put the upper claw at the back of the installation plate, move the evaporator (indoor) unit from side to side to see if it is securely hooked. iii) Insert a spacer between the evaporator (indoor) unit and the wall bracket to separate the bottom of the unit from the wall. iv) Push the lower part of the evaporator (indoor) unit up on the wall. Then move the evaporator (indoor) unit from side to side, up and down to check if it is hooked securely. a) For the left-hand and right-hand piping, remove the pipe cover from the side panel. Explain to the customer that the pipe cover must be kept as it may be used if the air conditioner is moved to another location. b) For the left-hand and rear-left-hand piping, install the piping as shown. Bend the connective pipe to be placed at a height of 1 5/8 inches or less from the wall. Evaporator (Indoor) Unit outline Connective Pipe “ c) Fix the end of the connective pipe. (Refer to Tightening Connection in Refrigerant Piping Connection). 9 EVAPORATOR INSTALLATION (INDOOR) 4) Wiring Prepare the power source for exclusive use with the air conditioner. The supply voltage must comply with the rated voltage of the air conditioner. Model Power Source Plug socket and fuse rating AWG (MIN) Power Supply Cord Connecting Cable <12000Btu/h 60 Hz 115V~ 32/25A 14 18 >12000Btu/h CAUTION Perform the wiring with sufficient capacity. Installation legally requires a short circuit isolator to be attached to prevent electrical shock. Do not extend the power cable cord by cutting. Power voltage should be in the range of 90% ~110% of rated voltage. The plug of the air conditioner takes a grounding leg, so clients should use a grounding socket so that the air conditioner can be grounded efficiently. 5) Connecting Cables i) Evaporator (Indoor) and Condensor (Outdoor) connecting cable should be Aw18 or more. ii) Remove the panel and screw, then remove the window cover (for <12000Btu/h models). Remove the panel screws covers , then remove the screws and take out the frame (for model >12000Btu/h models) iii) Connect cables according to their marks to terminals. iv) Wrap those cables not connected with terminals with insulation tapes, so that they will not touch any electrical components. Code Wire > 12000Btu/h models < 12000Btu/h models 0.4” 1.6” Frame Screw Cover Terminal block of indoor unit Frame Panel Panel Window Cover To outdoor unit Screw 10 CONDENSOR INSTALLATION (OUTDOOR) 1) Condensor (Outdoor) Unit Installation Precaution Install the outdoor unit on a rigid base to prevent increasing noise level and vibration. Determine the air outlet direction where the discharged air is not blocked. In the case that the installation place is exposed to strong wind place the unit lengthwise along the wall or use dust or shield plates. If need suspended installation, the installation bracket should accord with technique requirement in the installation bracket diagram. The connection between bracket and wall, bracket and the air conditioner should be firm, stable and reliable. Be sure there is no obstacle which blocks the air flow. Install the unit on a flat, level surface where is can be fastened securely. Strong wind 2) Drain Elbow Installation Fit the seal into the drain elbow, then insert the drain elbow into the base pan hole of the condensor (outdoor) unit, rotate 90o to securely assemble. Connect the drain elbow with an extension drain hose (locally purchased), in case the water drains off the condensor (outdoor) unit during the heating mode. (heating models only). Base pan hole of condensor (outdoor) unit Drain Elbow Seal Seal Drain Pipe 11 CONDENSOR INSTALLATION (OUTDOOR) 3) Refrigerant Piping Connection ii) Tightening Connection i) Flaring Cut a pipe with a pipe cutter Align pipes to be connected. Sufficiently tighten the flare nut with fingers, and then tighten it with a spanner and torque wrench as shown. Insert a flare nut into a pipe and flare the pipe CAUTION Excessive torque can break the flare nut and cause a leakage of refrigerant. * Ensure the refrigerant pipe is firmly attached before running the compressor. Outer Diameter Tightening Torque (N. inches) Additional Tightening torque (N. inches) O 1/4 11.57 ft lbs (160kgf.cm) 14.45 ft lbs 200kgf.cm) O 3/8 21.7 ft lbs (300kgf.cm) 25.30 ft lbs (350kgf.cm) O 1/2 36.14 ft lbs (500kgf.cm) 39.75 ft lbs (550kgf.cm) Outer Diameter (inches) A (inches) Max. Min. O 1/4 0.5 0.028 O 3/8 0.6 0.04 O 1/2 0.7 0.04 i) Remove the cover con...

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