Installing the timer on the LOAD Side
1. Using the Load Side of Figure 3 as a visual reference, remove the LOAD
Side 3-way switch and the four wires, labeling the wire removed from the
common terminal as LOAD (4) and the wires from the HOT terminals (H)
as Traveler-1 (5) and Traveler-2 (7).
2. Using the Timer On LOAD Side of Figure 4 as a visual reference for the
remaining steps, connect the LOAD wire (4) to the LOAD terminal of the
timer.
3. Connect the Traveler-2 wire (7) to LINE terminal of the timer.
4. Connect the Traveler-1 wire (5) to the TRAVELER terminal of the timer.
5. Connect the white Neutral wire (2) from the switch box to the NEUTRAL
terminal of the timer. More neutral wires may be bundled in the back of
the switch box; there may be several neutral wires bound together with a
wire nut. Add the Neutral wire to the other neutral wires bound together,
ensuring the wire nut is tight. If needed use included jumper.
6. Connect the green Ground wire (3) in the switch box to the GROUND
terminal of the timer.
7. Carefully tuck the wires into the switch box, leaving room for the timer.
8. Use the supplied screws to install the timer, being careful not to crush or
pinch the wires.
9. Restore power at the circuit breaker or fuse box.
10. Verify that the LOAD turns ON/OFF when you manually turn the timer ON
and OFF. Perform this test with the remote switch in both positions. You
should hear the timer relay click ON/OFF. If you hear the relay click but the
LOAD does not turn ON/OFF properly, check your wiring.
11. If the load does not operate properly, disconnect the power at the circuit
breaker or fuse box. Then swap the Traveler-2 (Line) wire (7) and Traveler-1
wire (5) on the timer.
Timer on the LINE side 3-way installation instructions
NOTE: If you are unsure or unclear about this installation or if the wires in
your box do not match the manual (not all switch boxes have neutral wires),
contact a qualified, licensed electrician.
Preparing the switch on the LOAD side
1. Disconnect the power from the circuit by turning o the circuit breaker or
removing the fuse from the fuse box.
2. Using the Switch On LOAD Side of Figure 5 as a visual reference, label
and remove the LOAD wire (4) from the common terminal (C) and the
Traveler-2 wire (7) from the HOT terminal (H).
3. Using Figure 6 as a visual reference, connect the jumper wire (6)
(supplied), the LOAD wire (4) from the common terminal (C), and the
Traveler-2 wire (7) together. You should have three wires connected with
one wire nut. If needed use the included jumper.
4. Connect the other end of the jumper wire (6) back to the common
terminal (C) on the switch. Consider recording the marking/color coding
of the Traveler-1 (5) and Traveler-2 (7) wires so you can tell them apart for
later use.
5. Carefully tuck the wires into the switch box leaving room for the timer.
6. Install the switch back into the box.
Installing the timer on the LINE side
1. Using the LINE Side of Figure 5 as a visual reference, remove the LINE
Side 3-way switch and the four wires, labeling the wire removed from the
common terminal (C) as LINE (1) and the wires from the HOT terminals (H)
as Traveler-1 (5) and Traveler-2 (7).
2. Using the Timer on LINE Side of Figure 6 as a visual reference for the
remaining steps, connect the LINE wire (1) to the LINE terminal of the
timer.
3. Connect the white Neutral wire (2) to the NEUTRAL terminal of the timer.
More neutral wires may be bundled together in the back of the switch box;
there may be several neutral wires bound together with a wire nut. Add the
Neutral wire to the other neutral wires bound together, ensuring the wire
nut is tight.
4. Connect the Traveler-1 wire (5) to the TRAVELER terminal of the timer and
the Traveler-2 wire (7) to the LOAD terminal of the timer.
5. Connect the green Ground wire (3) to the GROUND terminal of the timer.
6. Carefully tuck the wires into the switch box, leaving room for the timer.
7. Use the supplied screws to install the timer, being careful not to crush or
pinch the wires.
8. Restore power at the circuit breaker or fuse box.
9. Verify that the LOAD turns ON/OFF when you manually turn the timer ON
and OFF. Perform this test with the remote switch in both positions. You
should hear the timer relay click ON/OFF. If you hear the relay click
but the LOAD does not turn ON/OFF properly, check your wiring.
10. If the load does not operate properly, disconnect the power at the circuit
breaker or fuse box. Then swap the Traveler-2 (LOAD) wire (7) and
Traveler-1 wire (5) at the timer or the toggle switch.
TRAVELER
LOADLINE
NEUTRAL
Typical Wiring Diagram for a 3-way installation
with timer on line side
Figure 6 - Connecting the timer wires for a 3-way
installation - timer on line side
1 = Line
2 = Neutral
3 = Ground
4 = Load
5 = Traveler-1
6 = Jumper
*7 = Traveler-2
C = Common
terminal
2
7
5
6
3
Ground
SWITCH ON LOAD SIDE
4
Load
C
Figure 5 - Typical wiring
schematic for 3-way installation
5
1
7
Hot Side
Line
LINE SIDE LOAD SIDE
C
H H
5
4
7
C
H H
Load
In a typical 3-way application there are two 3-way switches. The switch on the
“HOT” side has the common terminal tied to 120VAC. The switch on the “LOAD”
side has the common terminal tied to the load that the switches turn off and on.
Line
Neutral
Traveler-2 (Load)
Ground
Traveler-1
5
3
7
1
2
TIMER ON LINE SIDE
3
3
Ground
*Traveler-2 (7) carries Load
to the timer
H H
Change the door
This device includes a light almond door. To switch the
doors, proceed as follows:
1. Before installing the wall plate, or installing the timer,
open the timer door to be removed. Find the left
and right spot where the door snaps into the timer
hinges. Choose either the left or right side and pull
o the door from the timer. Once one side is pulled
o the other side will pull o easily.
2. Find the light almond door. Align the bottom of the
door with the hinges on the bottom of the timer.
Push in one of the sides of the door into the timer
hinge, it will snap into place. Snap in the second side
of the door to the timer. See Figure 1
Single-pole Installation
NOTE: If you are unsure or unclear about this installation or if the wires in
your box do not match the manual (not all switch boxes have neutral wires),
contact a qualified, licensed electrician.
Installation instructions (single-pole)
1. Turn OFF the main power at the circuit breaker or fuse box.
2. Remove the existing switch.
3. Connect the timer to the wall box wires as shown in Figure 2.
a) Connect the hot/live LINE wire to the LINE terminal of the timer.
b) Connect the hot/live LOAD wire to the LOAD terminal of the timer.
c) Connect the Ground wire to the GROUND terminal of the timer.
d) Connect the Neutral wire to the NEUTRAL terminal of the timer. Often
the Neutral wire can be found in the back of the wire box connected
with a wire nut. There may be several neutral wires bound together. Add
the timer Neutral wire to the other neutral wires, bound together making
sure the wire nut is tight. If needed use the included jumper.
4. Ensure that all terminals are tightened to between 8.85 and 12.39 lbf-in.,
and tuck the wires into the wall box, leaving room for the timer.
5. Use the screws to mount the timer to the wall box, being careful not to
crush any wires.
6. Reinstall your wallplate.
7. Turn the main power on at the circuit breaker.
8. If the timer does not turn on, disconnect the power at the circuit breaker
or fuse box. Swap the LINE and LOAD wires on the timer. Remount the
timer and wallplate, then restore power at the fuse box or circuit breaker.
Timer on LOAD side 3-way installation instructions
NOTE: If you are unsure or unclear about this installation or if the wires in
your box do not match the manual (not all switch boxes have neutral wires),
contact a qualified, licensed electrician.
Preparing the switch on the LINE Side
1. Disconnect the power from the circuit by turning o the circuit breaker
or removing the fuse from the fuse box.
2. Using the LINE Side of Figure 3 as a visual reference, label and remove
the LINE wire (1) from the common terminal (C) and the Traveler-2 wire
(7) from the HOT terminal (H).
3. Using Figure 4 as a visual reference, connect the jumper wire (6)
(supplied), the LINE wire (1) from the common terminal (C), and the
Traveler-2 wire (7) together. You should have three wires connected with
one wire nut.
4. Connect the other end of the jumper wire (6) back to the common
terminal (C) on the switch. Consider recording the marking/color coding
of the Traveler-1 (5) and Traveler-2 (7) wires so you can tell them apart
for later use.
5. Carefully tuck the wires into the box, leaving room for the switch.
6. Install the switch back into the box.
TRAVELER
LOADLINE
NEUTRAL
Figure 3 - Typical wiring
schematic for 3-way installation
2
7
5
6
1
3
Ground
C
Typical Wiring Diagram for 3-way installation
with timer on load side
Load
Line
5
1
7
3
3
Hot Side
Line
Ground
LINE SIDE
SWITCH ON LINE SIDE
LOAD SIDE
TIMER ON LOAD SIDE
C
H H
5
4
7
C
H H
Figure 4 - Connecting the timer wires for a
3-way installation - timer on load side
Load
1 = Line
2 = Neutral
3 = Ground
4 = Load
5 = Traveler-1
6 = Jumper
*7 = Traveler-2
C = Common
terminal
In a typical 3-way application there are two 3-way switches. The switch on the
“HOT” side has the common terminal tied to 120VAC. The switch on the “LOAD”
side has the common terminal tied to the load that the switches turn on and off.
Load
Neutral
Traveler-2 (Line)
Ground
Traveler-1
5
3
7
4
2
*Traveler-2 (7) carries Line to the timer
H H
TIMER
WALL BOX
Line
TRAVELER
LOADLINE
NEUTRAL
Included Neutral Jumper
Load
Ground
Figure 2 - Connecting the timer wires for single-pole installation
5/8” (1.6cm)
Wire Strip Length
WIRE
Step-by-Step
Instructional Video
RISK OF ELECTRIC SHOCK
• SHUT OFF POWER AT FUSE BOX
OR CIRCUIT BREAKER BEFORE
INSTALLATION
• DO NOT USE IN WET LOCATIONS
• USE INDOORS ONLY
RISK OF FIRE
•DO NOT USE TO CONTROL APPLIANCES THAT CONTAIN
HEATING ELEMENTS (COOKING APPLIANCES, HEATERS,
IRONS, ETC.)
• DO NOT EXCEED ELECTRICAL RATINGS
• DO NOT USE TO CONTROL RECEPTACLES
• USE COPPER WIRE ONLY WITH THIS DEVICE
• TIGHTEN ALL CONNECTIONS TO 1-1.4 N-m (8.85 TO 12.39
LBF-IN.)
• FOR SUPPLY CONNECTIONS, USE 14 AWG OR LARGER
WIRE RATED AT LEAST 75°C.
• FOR GROUNDING LEAD, USE 12 AWG OR LARGER WIRE
RATED AT LEAST 75°C.
In-Wall Digital
SunSmart™
In-Wall Timer
Line - Black
Load - Black
Neutral - White
Ground - Green
or Bare
Installation Instructions
WARNING
33861 Installation Instructions v1 12/18/17
Figure 1
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