RE-121 12 X 1200 Watts RACK MOUNT DIMMER OWNERS MANUAL Revision 2.4 11/29/2007 www.lightronics.
Page 2 of 8 RE - 121 RACK MOUNT DIMMER Revision 2.1 OWNERS MANUAL 11/29/2007 RE-121 CONTROL PANEL DESCRIPTION The RE-121 is a 12 channel dimmer with a capacity of 1,200 watts per channel giving a total of 14,400 watts. The RE-121 is controlled by a lighting control console. The unit can be supplied to use either the DMX-512 control protocol or the LMX-128 control protocol. Channels A - F and/or channels G - L may be switched to operate in "relay" mode.
Page 3 of 8 RE - 121 RACK MOUNT DIMMER OWNERS MANUAL Revision 2.1 11/29/2007 POWER CONNECTIONS WARNING MAKE CERTAIN POWER IS REMOVED FROM THE FEED CIRCUITS BEFORE YOU BEGIN INSTALLATION. Power enters the RE-121 through the rear of the unit via a hole sized for 1" conduit. Inside the RE-121 is a terminal block with three lugs. The "H1" and "H2" are the line connections or "hots". The center connection labeled "N" is the neutral.
Page 4 of 8 RE - 121 RACK MOUNT DIMMER OWNERS MANUAL Revision 2.1 11/29/2007 OUTPUT CHANNEL CONNECTIONS The RE-121 can be supplied with one of several rear panel output options. Channel output connections are according to the the rear panel selected. Channel connections generally proceed from left to right (if you are facing the rear of the unit). Channel “A” will be on the left end. Connections for load Neutrals are provided.
Page 5 of 8 RE - 121 RACK MOUNT DIMMER OWNERS MANUAL Revision 2.1 11/29/2007 MAINTENANCE AND REPAIR FUSES Each channel of the RE-121 is protected by a 10 Amp, 250 Volt, fast acting fuse located on the front panel of the unit. If the total load for a channel is greater than 1200 Watts the channel fuse will blow. There are also two 1/2 Amp., 250 Volt, fast acting fuses on the front panel to protect the internal electronic circuits from an overvoltage condition.
Page 6 of 8 RE - 121 RACK MOUNT DIMMER OWNERS MANUAL Revision 2.1 11/29/2007 CHANNEL ASSIGNMENT SWITCH SETTINGS The DIP Switch Setting column shows the positions of the DIP switches on the dimmer. The Start Channel column shows the resulting channel assignment for the first channel of the dimmer All Lightronics products using DIP switches for address assignments conform to this table. Some dimmers cannot be set to all 512 channels and will have fewer switches than are shown in the table.
WARRANTY All Lightronics products are warranted for a period of TWO/FIVE YEARS from the date of purchase against defects in materials and workmanship. This warranty is subject to the following restrictions and conditions: A) If service is required, you may be asked to provide proof of purchase from an authorized Lightronics dealer.
www.lightronics.
