Identifying your wiring application
(most common):
NOTE: If the wiring in the wall box does not resemble any of these
configurations, consult an electrician.
WARNINGS AND CAUTIONS:
• Use this device with copper or copper clad wire only.
• Use only one (1) dimmer in a 3 or 4-way circuit. The switch(es) will turn the light on at the brightness level selected
at the dimmer.
• When multiple bulbs are used with one dimmer DO NOT mix bulb types. All bulbs shall be either LED; CFL or
incandescent. Using the same make/model of each bulb will enhance performance.
LED / CFL / MAGNETIC LOW VOLTAGE / INCANDESCENT SLIDE DIMMER
Single Pole or 3-Way
Cat. No. DSM1Ø – LED/CFL 450W (3.75A), MLV 1000VA, Incandescent 1000W
120VAC, 60Hz
INSTALLATION INSTRUCTIONS
Tools needed to install your Dimmer
Step 3
Changing the color of your Dimmer
If a color change kit is provided with your device, proceed with the following step
if you need to change the color. Otherwise, proceed with the "Installing Dimmer
by itself or with other devices" section.
In incandescent multi-dimmer installations, the
reduction of the dimmer’s capacity is required. Refer
to the chart for maximum load per dimmer. No derating
is required for use in dimmable CFL or dimmable LED
multi-dimmer installations.
Installing Dimmer by itself or with other devices
Step 2
ONOFF
ONOFF
ONOFF
ONOFF
ONOFF
ONOFF
ONOFFONOFF
ONOFF
ONOFF
ONOFF
ONOFF
WARNING:
TO AVOID FIRE, SHOCK, OR DEATH; TURN OFF
POWER at circuit breaker or fuse and test that power is off before
wiring or servicing fixture!
Step 1
Single Pole
1. Line (Hot)
2. Neutral
3. Ground
4. Load
NOTE: For 3-Way applications, note that one of the screw terminals from the old
switch being removed will usually be a different color (Black) or labeled Common.
Tag that wire with electrical tape and identify as the common (Line or Load) in both
the dimmer wall box and 3-way wall box.
Preparing and connecting wires:
Strip gage
Cut
(if necessary)
5/8"
• Make sure that the ends of the wires from the wall
box are straight (cut if necessary).
• Remove 5/8" (1.6 cm) of insulation from each wire in
the wall box (shown).
• For Single-Pole Application, go to Step 4a.
• For 3-Way Application, go to Step 4b.
Single-Pole Wiring Application:
Step 4a
3-Way
1. Line or Load (See note below)
2. Neutral
3. Ground
4. First Traveler – note color
5. Second Traveler – note color
DI-000-DSM10-02A
Installing your Dimmer
NOTE: Use check boxes when Steps are completed.
√
WARNINGS AND CAUTIONS:
• TO AVOID FIRE, SHOCK, OR DEATH: TURN OFF POWER at circuit breaker or fuse and test that power is off
before wiring or servicing fixture!
• TO AVOID FIRE, SHOCK, OR DEATH: use with compatible dimmable LED and CFL bulbs, incandescent or 120V
halogen fixtures only. For a complete list of compatible LED and CFL bulbs refer to www.leviton.com/universal.
• To be installed and/or used in accordance with appropriate electrical codes and regulations.
• If you are unsure about any part of these instructions, consult an electrician.
• To avoid overheating and possible damage to this device and other equipment, DO NOT install to control a
receptacle, a motor or a transformer-operated appliance, or any other lighting sources than those specified.
3
2
4
1
5
3
2
1
4
Cap with
Wire Connector
Green
Ground
BlackRed
Red
Hot (Black)
Neutral (white)
Line
120VAC, 60Hz
Dimmer
MAXIMUM LOAD PER DIMMER FOR MULTI-DEVICE
Cat. No. Load Single Two
Devices
More than 2
Devices
DSM1
Ø
INC 1000W 800W 700W
DSM10 MLV 1000VA 800VA 700VA
DSM1
Ø
LED/CFL 450W (3.75A) 450W (3.75A) 450W (3.75A)
Black
Dimmer
Lead
3
2
1
4
Dimmer
Green
Dimmer
Lead
Red
Dimme
r
Leads
Slotted/Philips Screwdriver Electrical Tape Ruler
Pliers Pencil Cutters
LOC
OFF
ON
AB
LOC
OFF
ON
AB
Slide
Pot
Alignment
Arrow
Insert top tabs of the
color kit into the slots on
the top of the dimmer.
Then press the bottom
of the color kit in until it
snaps into place.
Press the side of the
color kit at either bottom
tab and pull forward to
release.
Align slide pot with
alignment arrow as
shown. Move the slide
bar of the color kit to the
bottom.
REMOVE
REPLACE
MAXIMUM BULB WATTAGE
Low-voltage dimmers are rated in Volt-Amps (VA). The maximum bulb wattage is
determined by the efficiency of the transformer in the low-voltage lighting system.
Transformer efficiencies will vary from different manufacturers; consider 80%
efficient as average. Use the chart to determine maximum bulb wattage for typical
transformer efficiency ratings.
MAXIMUM BULB WATTAGE AT 80% EFFICIENCY
Rating Single Two Gang More than 2
Gang
1000VA 800W 640W 560W
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