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Supplied voltage
100 V ac
230 V ac
Note
(1)
Occurs when two data interface modules and two LIMs are used.
Grounding requirements
The chassis must be connected to a building ground point, usually a metal water pipe
or building steel. The cable must be long enough to connect the ground screw on the
rear panel to the building ground point without splicing. Use a cable that is a
minimum of 16 AWG (1.5 mm nominal diameter). A cable that is 10 AWG (2.6 mm
nominal diameter) or 12 AWG (2 mm nominal diameter) is recommended.
For grounding information and instructions, refer to chapter 4.
1.6
Installation summary
Table 1-3 serves as a reference summary for the installation procedures.
Step
1. Unpack and inspect the components.
2. Mount the unit.
3. Ground the unit.
4. Connect to power and conduct the power-up test.
5. Install the modules.
6. Connect to the network.
7. Connect the data devices.
8. Connect the node management terminal.
9. Connect the external alarm devices.
10. Switch on the power.
1.7
Installation tools and hardware required
Table 1-4 lists the tools and hardware are required to install a 2902 MainStreet
system (listed by activity). Some tools or hardware may not apply to your particular
installation.
2902 MainStreet Technical Practices
May 2002
90-2906-01
Table 1-2 Maximum power requirements
Minimum voltage
Maximum
voltage
90 V ac
110 V ac
207 V ac
253 V ac
Table 1-3 Installation summary
1 — Introduction
Maximum power
(1)
requirement
42 W
42 W
Reference
Chapter 2
Chapter 3
Section 4.1
Sections 4.2 and 4.4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Section 4.2
1-11
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