NuTone IM-440 Series Connecting Power Transformers, Mounting the Transformer Cover

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INSTALLATION (Continued)

CONNECTING THE

POWER TRANSFORMERS

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CAUTION

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BE SURE THE AC POWER IS OFF BEFORE CONNECTING THE POWER TRANSFORMERS. DO NOT TURN AC POWER ON TO TRANSFORMERS UNTIL ALL WIRING AT THE REMOTE AND MASTER STATIONS IS COMPLETE!

1.Refer to Figure 14. The transformers’ primary leads should already be connected to the 120 volt AC house supply wiring. Be sure power is off before connecting transformers to master unit.

IMPORTANT WARNING!

THE POWER TRANSFORMER CONTAINS AN INTERNAL FUSE.

DO NOT SHORT THE LOW VOLTAGE CONNECTING SCREWS OF THE TRANSFORMER OR THE TRANSFORMER WILL BE DESTROYED!

2.Locate the two (2) sets of red/wht transformer leads on the lower left corner of the master unit. Connect one pair of low voltage leads to each transformer located in the bottom of the rough-in.

MOUNTING THE TRANSFORMER COVER

IMPORTANT: The transformer cover must be installed for proper operation of the intercom.

1.Refer to Figure 15. Remove the left front and right rear screws from the transformer enclosure. Set screws aside for later installation.

2.Position the transformer cover (with insulator positioned towards transformers) over the transformer enclosure so holes in cover align with holes in enclosure.

3.Fasten cover with two (2) screws previously removed.

FIGURE 14

FIGURE 15

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Contents Model IM-4406 Series Master Station AM/FM RADIO/CD Player Intercom SystemTable of Contents InstallationRemote Station Wiring Contents of CartonPrecautions and Guidelines Wiring SpecificationsMounting the Terminal Board Connecting the Remote WiringConnecting Door Speaker Wiring Connecting Volume Control WiringNever USE 8 OHM Stereo Speakers With this System Mounting the Master Station Mounting the Transformer Cover Connecting Power TransformersConnecting the Master Station to the Terminal Board Connecting the Optional Chime Module Connecting the Radio AntennaConnecting Optional Electronic Chime Connecting Power to the Optional CP-95 Cassette Player Connecting Optional AccessoriesSecuring the Master Panel Mounting and Connecting Optional Door Release PushbuttonConnecting the Memory Back UP Battery Powering UP the SystemMaster Station Status Switches Sets the master station Digital Clock Setting Program Audio ControlsSystem Checkout Setting the External Audio Source Level Setting Intercom VolumeSetting Internal Intercom Volume Control Setting the Beep Tone LevelResetting the Microprocessor Diagnostic TestsKEY Display Trouble Possible Cause Possible Remedy INSTALLER’S Troubleshooting GuideMake separate cable IW-6 runs from each Remote Station to Cannot receive radio station Faulty antenna connection Page Two Year Limited Warranty

IM-440 Series specifications

The NuTone IM-440 Series is a highly acclaimed intercom system designed to enhance communication and convenience in both residential and commercial environments. Renowned for its utility and efficiency, this system combines advanced technology with user-friendly features, making it a popular choice for those looking to upgrade their intercom systems.

One of the standout features of the NuTone IM-440 Series is its versatile communication capabilities. The system supports both intercom communication and radio broadcasting, allowing users to not only communicate with different rooms but also listen to music or news throughout the premises. This dual functionality positions the IM-440 as an all-in-one solution for audio entertainment and inter-room communication.

The IM-440 series employs robust technology to ensure clear audio quality. Utilizing advanced circuitry, the system minimizes interference and enhances sound clarity, making conversations more intelligible and enjoyable. This technology is particularly useful in larger homes or commercial spaces where distance can affect sound quality.

Installation is made easy thanks to the IM-440 series' design, which supports a variety of mounting options and is compatible with numerous room types. The user interface is intuitive, featuring a simple-to-use control panel that allows for straightforward navigation and operation. This focus on user experience is evident in the attention to detail in the design, ensuring that even those who are not tech-savvy can operate the system with ease.

Another significant characteristic of the NuTone IM-440 Series is its scalability. The system can be easily expanded to accommodate additional rooms and features, allowing users to customize their intercom setup according to their specific needs. This makes it a future-proof investment that can adapt to changes in living or working environments.

Durability and reliability are also hallmarks of the IM-440 series. Built to withstand the rigors of daily use, the system features high-quality materials that ensure longevity. Additionally, the system's components are engineered to perform consistently over time, providing users with peace of mind that their communication system will be operational when needed.

In summary, the NuTone IM-440 Series stands out for its combination of advanced audio technology, user-friendly design, and scalability. Whether for communication or entertainment, this intercom system offers a compelling solution for those seeking to enhance their indoor audio experience. With its array of features and reliability, the IM-440 Series remains a top choice in intercom systems.
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