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For a wall installation, hold subbase in position and
mark holes for anchors (Fig. 2). Wall anchors must be
obtained from local hardware store. Take care that the
wires do not fall back into the wall opening. Set subbase
aside. Drill four 3116 in. [4.8 mm] holes and gently tap
anchors into the holes until flush with the wall.
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Fig. 2-lnstalia6on of subbase on wall.
2. Pull wires through the cover plate (if used) and
subbase cable opening (Fig. 3).
3. Secure the cover plate (if used) and-subbase with
the screws provided. Do not fully tighten the subbase
screws.
Fig. 3-Subbase components and leveling procedure.
Fig. 4-Internal schematic and typical hookup of T874G and Q674F in heat pump system.
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