Andover Controls CMX 220, Руководство по установке

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8 Infinity CMX Installation Guide
Inspecting the Ground
You can check your ground as follows:
1. Check your ground by first inspecting the building power
distribution panel for earth ground termination. If the ground
termination is any of the following, it is not adequate and must be
corrected:
• Does not exist.
• Is connected to a corroded or galvanized pipe.
• Is connected using a small gauge wire (less than 14 AWG).
2. Be sure your Andover Controls cabinet is connected to the ground
with a copper conductor that terminates at the distribution panel.
Environmental Requirements
The CMX controllers operate in rooms with temperatures ranging from
40 to 120
°
F and with humidity between 10 and 95%, noncondensing.
The controller must be in an Underwriter Laboratories approved
enclosure.
Laying Out the Site Setup
You may want to draw a map of where you plan to put each controller
and store it in a notebook. If you have not already done so, read the
EnergyNet and Infinet Configuration Guide for information on how to
design a configuration.
You put only one CMX controller on an Infinet. You connect a terminal
to the CMX.1 If your unit has a modem jack, you can instead connect a
telephone line from it to a distant terminal (on a modem).
If your unit has a modem jack, you can have not only a direct-connected
terminal on the RS-232 port, but also a telephone line to a distant termi-
nal (on a modem). However, you can operate only one of the terminals
1. In some situations, you may want to put a printer on CMX instead of a terminal.
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