Carrier PTACSTAT-NP-HP - Manual (Page 8)

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5. Drill two 3/16--in. mounting holes in wall where marked.
6. Secure mounting base to wall with 2 anchors and screws provided
(additional anchoring holes available for more secure mounting, if
needed) making sure all wires extend through hole in mounting base.
7. Adjust length and routing of each wire to reach proper terminal and
connector block on mounting base with 1/4 in. of extra wire. Strip only
1/4 in. of insulation from each wire to prevent adjacent wires from
shorting together when connected. See Fig. 2.
A08094
Fig. 2 -- Secure Wires to Terminal Strip
8. Match and connect wires from the PTAC unit to proper terminals on the ther-
mostat connector blocks (see Fig. 3). Do not remove factory--installed jumper
wire from Rc and Rh terminals. The R wire from the PTAC can be connec-
ted to either position.