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Precautions Installation If this unit is installed incorrectly, personal injury or Remove the top panel of the CCU-550/550P. damage to peripheral items may occur due to fire, 1 Remove the four screws on the right side shock, or other accidental circumstances. To avoid panel.
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Attach the DC Power Unit. Remove the AC power unit. Do the procedure in 3 and 4 in Step 2 above in 1 Remove the two screws on the top of the AC reverse; i.e., connect the 40-pin and 5-pin power unit.