6 LCX 890 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
or 2.5 mm
2
).
2. Be sure your Andover Controls cabinet is connected to the ground
with a copper conductor that terminates at the distribution panel.
Environmental Requirements
All LCX 890 controllers operate in rooms with temperatures ranging
from 32 to 120°F and with humidity between 10 and 95%, noncondens-
ing. If you connect a SmartSensor, the temperature can range from 32
to 104°F.
The controller is in an Underwriter Laboratories approved enclosure.
Do not remove the controller from the enclosure provided.
Output Requirements
The outputs on LCX 890 and 898 controllers are digital and can be
wired to control lighting. To each output you attach either relays that
give status feedback (Andover Controls Part # 01-0100-300) or relays
that do not give status feedback (Andover Controls Part # 01-0100-
299).
All outputs are programmable. You may also wire a momentary switch
to the light. This switch can be a motion detector or other occupancy
sensor. When the motion detector or other sensor determines light is re-
quired, it sends a signal to the output relay. The relay mechanically
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