NuTone IMA-3033 Series Master Station Connecting Antenna, Selecting Remote Radio Control Features

INSTALLATION (Continued)

Connecting Antenna

1.Connect the AM/FM antenna (supplied with the IR-104 rough-in) to the 2-pin connector located in the upper right corner of the main PC board.

In most locations, the antenna supplied with the rough-in provides adequate AM reception. However, in rural or weak signal areas a separate AM antenna may be required. Use the following instructions for selecting and connecting a separate AM antenna.

1.Refer to Figure 11. Move the the auxiliary AM antenna selector switch to the AM position.

2.Connect 50 feet of 22 GA. insulated wire (not supplied by NuTone) to the screw terminal marked AUX AM ANTENNA.

3.Run the wire from the Master location to the attic. Fasten the insulated wire at one end of the attic, stretch the wire to its full length, and fasten at the opposite end. Fasten the insulated wire at several locations between ends to prevent sagging.

Selecting Remote Radio Control Features

ANTENNA

GROUND

AUXILIARY AM

ANTENNA

TERMINAL

AM/FM NOTCH

DIPOLE ANTENNA

CONNECTOR

AUXILIARY AM

ANTENNA TERMINAL

SELECTOR SWITCH

FIGURE 11

CONTROLLING THE RADIO FROM

REMOTE STATIONS

The radio may be turned on/off or a stored radio memory channel may be selected at any remote station as follows:

RADIO ON/OFF

Press and hold the END CALL key for 2 seconds. The radio will turn on or off depending on the present state of the radio.

RADIO MEMORY CHANNEL SELECTION

Momentarily press the END CALL key. The radio will sequentially step through the stored radio memory channels.

If desired, these functions may be disabled as follows:

DISABLING REMOTE STATION RADIO ON/OFF

Refer to Figure 12. Slide the switch labeled POWER located on the master station’s main PC board to the OFF position. This will disable the remote station radio on/off function at ALL remote stations.

DISABLING REMOTE STATION RADIO MEMORY CHANNEL SELECTION

Refer to Figure 12. Slide the switch labeled TUNING located on the master station’s main PC board to the OFF position. This will disable the remote station radio memory channel selection function at ALL remote stations.

Installing and Connecting

Optional Door Release

Push Button

Refer to Figure 13.

1.Open right-hand panel door.

2.Cut 4 retainer webs from pushbutton hole cover.

3.Remove cover.

4.Feed one wire from Door Release Transformer and one wire of Door Release mechanism through push button hole.

NOTE: The door release requires a separate 301T Transformer.

5.Connect the 2 wires to the pushbutton.

6.Rotate the pushbutton so the screws are on the top and bottom as illustrated, then snap the button into the mounting hole.

TUNING	POWER
	OFF
	ON
	FIGURE 12

FIGURE 13

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