The Fundamentals of a NuTone Model 478 Apartment Entry Intercom System 

This is the first Video in a series about NuTone Apartment Entry intercom Systems.
This Video covers the fundamentals of the NuTone Model 478 - System 4 Apartment Intercom System
In this Video I provide the following information:
1. An overview of the essential equipment to makeup a basic 478 System
2. An overview of the optional equipment that can be added to a basic system
3.. A brief description covering each of the Model 478 components, including:
A. 478 Control Amplifier
B. Low-Voltage 301T Transformer
C. Model 499 Postal Lock
D. Electric Door Release
E. Model 467 Main Door Timer Module
F. Model 468 Second Door Timer Module
G. Entrance Directory and Entry Speaker
H. NuTone N485 Apartment Intercom Station
4. A step-by-step on how the 478 System components would be wired together - for a typical apartment configuration
5. How an additional apartment intercom stations would be added into the system - creating a larger and larger system
By watching this Video, you should be able to gain a basic understanding of how the NuTone Model 478 Apartment Intercom System goes together - which will allow you to apply this information to a system that requires some basic service or repair.
Here's a link to our Web Site, where you can download the NuTone Model 478 Installation Manual
For more detailed information about NuTone Intercom Systems: You Can:
Visit our web site: northsideforyourhome.squarespa...
Or you can email use at: nscompany@msn.com
Or you can call us at: 925-743-8236

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