NuTone IM-440 Series

INSTALLATION
INSTRUCTIONS
AM/FM
RADIO/CD PLAYER
INTERCOM SYSTEM
MODEL: IM-4406 SERIES MASTER STATION
This booklet contains information for installing the master
station. All system wiring and rough-in frames should be
installed before mounting and wiring the master station.
Refer to the installation instructions packaged with the
rough-in frames for detailed wiring information. For more
detailed information on wiring and mounting other system
components (i.e., speaker, remote control, etc.), refer to the
installation instructions packaged with each separate
component.
IM-4406 SERIES REPRESENTATIVE WIRING ILLUSTRATION
INSIDE
ANTENNA
NUTONE CHIME
TRANSFORMER
PUSHBUTTON
18/2 (NUTONE S-143)
OPTIONAL
ELECTRONIC
DOOR CHIME
200´ MAX
NUTONE
IW-2
14 GA
GROUND
SHIELDED
AUDIO
CABLES
DOOR
SPEAKER
5˝ PATIO
SPEAKER
W/CONTROLS
NUTONE
IW-2
NUTONE
IW-6
300´ MAX
DOOR SPEAKER MODELS WITH CHIME
PUSHBUTTON ALSO REQUIRE 18/2 (S-143)
TO CHIME LOCATION OR IW-2 TO MASTER
IF CHIME MODULE IS USED.
IA-6C
RECEPTACLE
IA-6
PLUG
OPTIONAL WIRING
FOR DOOR
RELEASE
DR-1/DR-2
DOOR RELEASE
100´ MAX S-143
100´ MAX S-143
301T
TRANSFORMER
120V 60HZ
(CLASS 1)
(OBSERVE
LOCAL CODE)
INSIDE
SPEAKERS
W/CONTROLS
NUTONE IW-6
OUTSIDE
REMOTE
CONTROL
OUTSIDE
SPEAKER
INSIDE
REMOTE
CONTROL
INSIDE
SPEAKER
NUTONE
IW-6
(2) 801T
TRANSFORMERS
SECONDARY:
18V, 72VA
EARTH
GROUND
ATTIC
14 GA
300´ MAX
NUTONE IW-2
PUSHBUTTON FOR
OPTIONAL CHIME
MODULE
14/2 WITH GROUND
(OBSERVE LOCAL CODES)
120V 60HZ (CLASS 1)
IW-6
IW-2
IW-2
DESKTOP
FRAME WITH 5˝
REMOTE
IM-4406
MASTER STATION
Use this diagram for reference only.
See IR-105 Rough-in frame instructions
for detailed wiring.
120V 60HZ
(CLASS 1)
(OBSERVE
LOCAL CODE)
IW-2
120V. 60HZ (CLASS 1)
(OBSERVE LOCAL CODE)
MUSIC
DISTRIBUTION
VOLUME
CONTROL
IW-2
MUSIC
DISTRIBUTION
SPEAKER
OPTIONAL
MUSIC
SOURCE

NuTone IM-440 Series Specifications

General

Brand	NuTone
Model	IM-440 Series
Category	CD Player
Frequency Response	20Hz - 20kHz
Signal-to-Noise Ratio	80dB
Channels	2
Power Output	20W per channel

Summary

NuTone IM-4406 Series Master Station Installation

Installation and Wiring Guidelines

Precautions and Guidelines

Safety, installation, and usage precautions to prevent unit failure and voided warranty.

Wiring Specifications

Required wire types and gauge for connecting various system components to the master station.

Terminal Board and Remote Wiring

Mounting the Terminal Board

Connecting Remote Wiring

Instructions for connecting all remote station wiring directly to the master station terminal board.

Power and Transformer Setup

Connecting Power Transformers

How to connect the primary leads of the transformers to the 120-volt AC house supply.

Master Station Terminal Board Connectivity

Connecting Master Station to Terminal Board

Details on plugging in the five main connectors to the master station terminal board.

Final Assembly and System Power-Up

Securing the Master Panel

Final steps to secure the master station panel to the rough-in frame.

Powering Up the System

Instructions for applying power to the master station after all connections are complete.

Operational Checkout - System Controls

System Operating Controls

Identifies and explains the function of all buttons, keys, and switches on the master station.

Operational Checkout Procedures

System Checkout Procedure

Performing tests to verify all system components are functioning correctly.

Setting Program Audio Controls

Audio and Intercom Volume Adjustments

Setting Program Audio and Intercom Volume

Adjusting overall program and intercom audio levels for optimal system performance.

Advanced Diagnostics and Reset

Diagnostic Tests

Performing tests to diagnose system issues like control voltage and keyboard function.

Resetting the Microprocessor

Installer Troubleshooting Guide - Audio and Intercom Issues

No Radio, No Intercom (No Display)

Radio and Intercom Operation Issues

Low Intercom Volume (Monitor Mode)

Installer Troubleshooting Guide - Interference and Communication Issues

Audio Interference and Feedback

Remote Station and Door Communication Issues

Installer Troubleshooting Guide - Radio, CD, and Intercom Volume

Radio Reception and Operation Issues

Low Intercom Volume

CD Playback Issues