Carrier A07049 Installation Instructions Manual page 13

2. Route wires through large hole in mounting base. Level mounting base
against wall (for aesthetic value only—Display Module need not be lev-
eled for proper operation) and mark wall through 2 mounting holes. See
Fig. 6.
Fig. 6 - - Backplate Mounting
3. Drill two 3/16- -in. mounting holes in wall where marked. Thermostat may
be mounted to a standard junction box, if desired. Hole pattern on ther-
mostat mounting base matches junction box mounting holes.
4. Secure rear plastic mounting base to wall with 2 screws and anchors pro-
vided. Additional mounting holes are available for more secure mounting
if needed. Make sure all wires extend through hole in mounting base.
5. Adjust length and routing of each wire to reach proper connector block
and terminal on mounting base with 1/4- -in. extra wire.
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A07165