P/N 3102309-EN • REV 001 • ISS 18JUL19 v
• You may not connect the dialer to a public coin phone or a party line service provided by the telephone
company.
3-MODCOM(P) Industry Canada information
Note: The Industry Canada label identifies certified equipment. This certification means that the equipment meets
certain telecommunications network protective, operational, and safety requirements. Industry Canada does not
guarantee the equipment will operate to the user’s satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the
local telecommunications company. The equipment must also be installed using an acceptable method of
connection. The customer should be aware that compliance with the above conditions may not prevent
degradation of service in some situations.
Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the
supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the
telecommunications company cause to request the user disconnect the equipment.
Caution: Users should not attempt to make connections themselves, but should contact the appropriate electric
inspection authority, or electrician, as appropriate
Users should ensure for their own protection that the electrical ground connections of the power utility, telephone
lines, and internal metallic water pipe system, if present, are connected together. This precaution may be
particularly important in rural areas.
Note: The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to be
connected to a telephone loop which is used by the device, to prevent overloading. The termination on a loop may
consist of any combination of devices subject only to the requirements that the sum of the Load Numbers of all
the devices does not exceed 100.
Intended audience
The intent of this document is to provide the EST4 life safety system owner with control unit operating
instructions. You may assume that your site-specific software has been installed and that the final overall system
testing has been completed prior to you using this guide. The extent of your use with control unit buttons,
indicators, and command features is dependent upon your fire privilege level access.
Life safety system limitations
The purpose of an automatic fire alarm system is to provide early detection and warning of a developing fire.
There are a number of uncontrollable factors that can prevent or severely limit the ability of an automatic fire
alarm system to provide adequate protection. As such, an automatic fire alarm system cannot guarantee against
loss of life or loss of property.
Two main causes of system failures are improper installation and poor maintenance. The best way to minimize
these types of system failures is to have only trained fire alarm system professionals design, install, test, and
maintain your fire alarm system in accordance with national and local fire codes.
Fire alarm systems will not operate without electrical power. As fires frequently cause power interruption, we
suggest that you discuss ways to safeguard the electrical system with your local fire protection specialist.
In the event your EST4 control unit needs servicing, please contact your system service provider as soon as
possible. Refer to “Service provider information” on page 44 for their name and contact information.
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