NuTone ISA-445 User Manual

READ & SAVE THESE INSTRUCTIONS!

INSTALLATION INSTRUCTIONS

5˝ Inside Speaker

MODEL: ISA-445 Series

For use with the IMA4406, IM4406, IMA4006 & IM4006 Series Radio/Intercom Systems

ROUGH-IN FRAME MOUNTING

The ISA-445 5˝ speaker is mounted to the IR-50 rough-in

frame or surface mounted with IA-60.

NEW CONSTRUCTION

The IR-50 frame is mounted to a wall stud during
rough-in construction. The IW-6 wiring is also run during
rough-in construction. The speaker is mounted to the frame
once the finished wall is in place. See IR-50 Installation
Instructions.

EXISTING CONSTRUCTION

The IR-50 frame requires a cutout in the finished wall.
The frame may be mounted either directly to a wall stud or
between wall studs. The wiring is installed through the existing
walls. See IR-50 Installation Instructions.

WIRING CONNECTIONS

Refer to Figure 1. As illustrated, connect wires from the

master unit to the six (6) screw terminals. Red wire to the
terminal marked red, red/white to the terminal marked
re/white, etc.

MOUNTING

1. Refer to Figure 2. Carefully place wires inside wall.

2. Using two mounting holes in the speaker body, secure the

speaker to the frame with two (2) provided screws.

Refer to System’s Operator’s Manual for operating
instructions and warranty information. If Operator’s
Manual has been misplaced, write to: NuTone, 4820 Red
Bank Road, Cincinnati, Ohio 45227. Attention: Department
of National Field Service.

IMPORTANT – WHEN NUTONE MODEL IW-6R WIRING
IS USED:

CONNECT TO SCREWS
ON PRINTED CIRCUIT
BOARD MARKED:

ORN

BLK

BLK/WHITE

ORN/WHITE

RED

RED/WHITE

BLUE STRIP

FIGURE 2

IR-50

ISA-445
SPEAKER

IW-6

FIGURE 1

RED

RED/WHITE

BLACK

BLACK/WHITE

ORANGE/WHITE

ORANGE

Product specifications subject to change without notice.

4820 Red Bank Road, Cincinnati, Ohio 45227
Printed in China, Rev. 08/06, Part No. 61426