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Fig. 5 Fig. 6 Fig. 7 Right rear sided (recommended) Right sided Lower sided Cut here Hacksaw Interconnection cable Indoor unit pipes Indoor unit drain hose Vinyl tape For Left rear Sided and Left Sided Piping: (See Fig. 8) Fig. 8 Left rear sided Left sided The length of the cable which will be passed through the wall hole should be longer than 40”. Fig. 9 Suction pipe Discharge pipe Dimensions from the center of the installa4” 6” tion plate for reference. 1. Regarding the left rear sided and left sided piping, the pipes must be connected indoors and must be adjusted to the actual installing length. Keep these pipes unrolled (See Fig. 9 and Fig. 10) 2. For left side piping, cut the indoor unit base(s) with a hacksaw and deburr with a file. Flare Coupling installation Band Tape after finishing leak test Discharge pipe Suction pipe Wall hole Fig. 10 Interconnection cable 3. Connect the indoor pipes and check for gas leaks. (See Fig. 10) After the leak test, wrap the flared joints with insulation and fix it with bands. 4. Remove the spacer from installation plate. Suction pipe Discharge pipe Indoor unit drain hose ECR International Hyundai Ductless Split System12 INSTALLING OF THE OUTDOOR UNIT Cut pipe by rotating the pipe cutter Pipe Turn the handle Clockwise while pushing it against the pipe Pipe cutter knife Yoke Do not damage the inside of the pipe. BarFlare nut Fix pipe turning clamp handle. Pipe INSTALLING OF THE OUTDOOR UNIT Cut pipe by rotating the pipe cutter Pipe Turn the handle Clockwise while pushing it against the pipe Pipe cutter knife Yoke Do not damage the inside of the pipe. BarFlare nut Fix pipe turning clamp handle. Pipe • See the “Determination of Installing Position”. Connecting of Tubing 1. Cutting and flaring of tubing: A. Cut the tubing on its straight part with the pipe cutter. B. Remove burrs from cut edges of pipes, which may cause a gas leak. C. Flaring of the pipe is done with the flaring tool. NOTE: Do not forget to install the flare nut before flaring 2. Pre-Connecting: Screw the tubing turning 3 to 5 times until hand tight. 3. Fastening: Fasten the connection. • Apply refrigeration oil to the flare surface to pre- vent gas leakage. Air Purge and Charging! CAUTION ! 1) Remove the cap from the service port on the suction line service valve. 2) Connect the suction side of the refrigerant gauge manifold to the Suction Line service valve. Connect the center hose of the refrigerant manifold gauge to the micron gauge. Connect the other side of the micron gauge to the vacuum pump. (Diagram 1) 3) Open the suction side of the refrigerant manifold set and turn the vacuum pump on. NOTE: Evacuate the system down to 400 microns. 4) When the system pulls down to 400 microns turn the vacuum pump off. Observe the micron gauge: if the system has a leak the gauge will detect it. If there is a leak, find it, repair it, and repeat steps 3 and 4. 5) Close the refrigerant gauge manifold valve and disconnect the vacuum pump from the system. 6...

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