Mechanical Installation (T1 to T9 Models)
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Figure 4‑11 Position of the control board
1. T1 to T6 models
a. Use appropriate tools to eject the cover hooks on both sides to the inside.
b. Hold the cover with your hands, lift the lower part of the cover (as shown in ①),
push the cover upward, and lift the upper part of the cover (as shown in ②).