Lightronics AT402 - Manual (Page 7)

Page 7 of 8
AT SERIES ARCHITECTURAL DIMMER
Revision 0.1 OWNERS MANUAL 08/29/2003
www.lightronics.com
Lightronics Inc. 509 Central Drive Virginia Beach, VA 23454 tel 757 486 3588
MAINTENANCE
WARNING! RISK OF ELECTRICAL SHOCK
There are lethal voltages present in this product when power is applied to its feed circuits.
The cabinet should be opened only by a qualified electrician.
The only user servicable part in the AT Series dimmer is the Type ABC, ½ Amp, 250 Volt, fast acting fuse. A
spare fuse is provided with the unit. The fuse may be replaced ONLY with an identical fuse.
WARNING !
Make sure that all power is removed from feed circuits before changing the fuse.
Service by other than the manufacturers authorized agents may void your warranty.
The best way to prolong the life of your unit is to keep it cool, clean, and dry. It is important that the cooling intake
and exit vent holes are clean and unobstructed.
MODEL NUMBERS AND CONFIGURATION
The table below shows the number of channels and circuit breaker information for each model number.
MODEL NUMBER DESCRIPTION
AT-402 4 Channels
AT-302 3 Channels
AT-202 2 Channels
AT-102 1 Channel
A suffix "B" will appear at the end of the model number if the unit containschannel circuit breakers.
An additional suffix may also appear in the model number. This suffix is "/2" and indicated that the unit is for
240/480VAC applications.
For one and two channel versions, only the components, indicators, and connection points for the applicable
channels will be present in the unit.