NuTone IMA4406 installation instructions Mounting the Master Station

INSTALLATION (Continued)

Model IA-29 Only

1.Refer to Figure 8. Locate the chime selector switch mounting bracket in the master unit.

2.Refer to Figure 10A and 10B. For rough-in frames which are recessed into the wall opening, insert two (2) shoulder screws (provided) into the front two holes in the rough-in frame. For rough-in frames which are mounted flush with the wall, insert two (2) shoulder screws into the back two holes in the rough-in frame.

BACK HOLE – FOR

FLUSH MOUNTED

ROUGH-INS

FRONT HOLE –

FOR RECESSED

ROUGH-IN

FIGURE 10A

FIGURE 10B

2.Remove and set aside the chime selector switch retaining screw located in the master unit.

3.Remove and discard the square foam pads on the chime selector switch PC board connected to the chime module.

4.Slide the PC board into the mounting bracket on the master station.

5.Fasten the chime selector switch PC board with the retaining screw (earlier removed).

MOUNTING THE MASTER STATION

NOTE: If an optional IAA-440 expansion module is to be installed into the IMA-4406 master station, it should be installed before mounting the master station. Refer the installation instruction provided with the expansion module before performing the following mounting steps.

1.Refer to Figure 9. Use two (2) #6x3⁄8˝ screws per bracket to attach each of the four (4) mounting brackets to the rough-in frame. Before tightening, slide the bracket so it is flush with the wall surface (flush with rough-in frame if the rough-in is installed after the wall board). Tighten all eight

(8) screws.

FIGURE 9

6

3.Refer to Figure 11. Attach master panel to rough-in frame by placing mounting hinge keyhole slots over shoulder screw heads in the rough-in frame.

4.Refer to Figure 12. Slide master station panel to the right, then forward until it is flush with the wall surface.

5.Align master panel with rough-in frame.

FIGURE 11 FIGURE 12

6.Refer to Figure 13. Attach support strap to rough-in frame by attaching metal hook into hole in top of rough-in frame. Using pliers, squeeze hook closed. Hook must not come loose when master is later secured.

FIGURE 13