DESCRIPTION
The DM-100 is a control module which is used to switch HID (High Intensity Discharge) lamps
from high to low and from low to high. The DM-100 bases its bi-level switching on signals
received from a controlling device (see “Controlling Devices” below).
With the DM-100 and an occupancy sensor, HID lighting will switch to a lower, energy saving
light level (high to low) after a space becomes unoccupied. Then, as soon as the space is
occupied, lighting will return to full brightness (low to high).
Upon initial power up of HID lamps, or after a power failure or phase drop, the DM-100 supplies full
power for a 15 minute lamp warm-up. Then lighting will either remain at full level if the space is
occupied, or go to low level if unoccupied.
The DM-100's bi-level switching avoids the warm-up problem otherwise found when controlling
HID fixtures. The switching is immediate and lights are no longer left on at 100% when lighting is not
needed. This saves energy and adds convenience.
Controlling Devices:
• One or more controlling devices (such as occupancy sensors, time switches, photocells, etc.)
must be used to control a DM-100. The control to this DM-100 can be extended to other
DM-100s by connecting them into control groups (see Control Wiring section).
• A controlling device must:
1. Have its own power supply or be able to be powered by the +24VDC output from a DM-100.
2. Provide a +24VDC control output to a DM-100 in the controlled group.
DM-100 MOUNTING OPTIONS
The DM-100 attaches to the ballast hanger/ junction box, with a threaded 3/4" nipple. It can be
mounted directly to the box through a knockout hole. The DM-100 can also be mounted up to
six feet away and connected with conduit.
