Carrier 42QHP09E8S Service Manual page 34

Procedure
11) Open the screw caps(2) and then
remove the 4 screws (see CJ_OP_
INV_008).
12) Release the 2 hooks.
13) Release the 5 hooks in the back (see
CJ_OP_INV_009).
14) Pull out the panel frame from the
indoor unit.
Note: This section is for reference only. Actual unit appearance may vary.
 Page 30 
Illustration
CJ_OP_INV_008
CJ_OP_INV_009
Hooks