NuTone IM-440 Series Connecting Volume Control Wiring, Connecting Door Speaker Wiring

INSTALLATION (Continued)

CONNECTING VOLUME CONTROL WIRING

Refer to Figure 4. If a NuTone Volume Control is installed in the system, connect the control’s IW-2 wiring to the ORN and ORN/WHT screw terminals at the master station. Only ONE

NuTone speaker may be connected to each volume control. Each volume control/speaker counts as a remote station. Remember: The maximum remote connections to the Master Station is 9. Adding the optional IA-440 expansion module will increase the system remote capability to 15 stations.

ORN

ORN/WHT

FIGURE 4

NEVER USE 8 OHM STEREO SPEAKERS

WITH THIS SYSTEM!

Refer to the installation instructions packed with the speaker volume control for wiring this unit.

CONNECTING DOOR SPEAKER WIRING

The Door Speakers connect to the Master Station Terminal Board with twisted pair IW-2 wire.

1.Refer to Figure 5. Connect the two wires from the Door Speaker(s) to the 2 screw terminals marked DOOR SPEAKER on the master station terminal board.

DOOR
SPEAKER	FIGURE 5

PREPARING MASTER STATION PANEL FOR OPTIONAL DOOR RELEASE PUSHBUTTON

To remove the pushbutton cover, position the master station face up. Be careful not to damage the cables on the back of the unit.

1.Refer to Figure 6. Open the left-hand door on the master station panel.

FIGURE 6

2.Cut the 4 retainer webs from the pushbutton cover.

3.Remove cover. The door release pushbutton will be installed and connected after the master panel has been mounted to the rough-in frame.

MOUNTING THE OPTIONAL CHIME MODULE IN THE MASTER STATION PANEL

1.Position the master station panel face down on a soft cloth.

2.Refer to Figure 7. Align the optional NuTone IA-28 or IA-29 chime module onto the mounting bracket located in the master station.

	SNAP IN PLACE
RED
WIRE
IA-29 ONLY	FIGURE 7

3.Apply firm, but even pressure to each side of the chime module until it snaps into place.

4.Plug the 4 pin connector on the module into the connector located on the master. When properly installed, the ribbon cable will point away from the master station’s circuit boards, as illustrated.

5.Connection from the pushbuttons to the master will be made after the master panel has been mounted.

5