45. The diameter of the through hole is 65 mm. so use a 65-mm.-hole flow to open up the through hole
46. When opening up the through hole, do it in a downward diagonal direction from indoor to outdoor to help the drain water flow smoothly and prevent
47. drain water from running along the piping into the indoor area
48. Let’s look onto the how to prepare to install the indoor unit
49. Take the indoor unit out of the packing case and places on the level service
50. Open the front panel and remove the cover of the control wiring connection component
51. Remove the clamps to secure the wiring sheets
52. Now prepare the control wiring that connect the indoor unit and outdoor unit
53. If the wiring length is shorter than 10 m. use a 2 square mm. wide if it 10 m or longer use 3.5 square mm. wide
54. Run the prepared control wiring from the rear of the indoor unit to the front side
55. Peel the wiring shield
56. Twist wiring and connected to the wiring connection terminal
57. While doing this, noted the color and terminal number to which the wiring connected this is done in order to align the terminal number with that the outdoor unit to be connected afterward
58. After connecting the wiring to the terminal make sure it is torque and secure the sheet with the clamp
59. Now re- attached the cover of the control wiring connection component