GE 15312 SunSmart Digital Timer Quick Reference Guide

GE Timers Quick Reference Guide - 15312 SunSmart Digital Timer.
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Changing the color of the timer
This device includes a Light Almond Faceplate. To switch faceplates proceed as follows:
1.  Gently remove the White Faceplate using a flat head screwdriver.  Starting at the top left corner 

gently pry  the faceplate loose.  Work around the faceplate until it pops off.

2.  Find the Light Almond Faceplate in the package.  Place the new faceplate into position and carefully 

push until it snaps into position.

Multi-Switch Instal ations
When combining controls in a wal  box, remove al  inner side sections 
prior to wiring. Use pliers to bend side section up and down until it 
breaks off. Repeat for each side section to be removed.

If you are unsure or unclear about this instal ation or if the wires in 

your box do not match the manual (not al  switch boxes have neutral 

wires), contact a qualified licensed electrician.

Installation Instruction (Single Pole)
1.  Turn OFF the main power at the circuit breaker or fuse box.
2.  Remove the existing switch.
3.  Connect the wires of the timer to the wall box as shown in 

Figure 1 and Figure 2 using the wire nuts 

provided. 
a) Connect the hot/live wire of line to the black wire from Timer. 
b) Connect the hot/live wire of load to the blue wire from Timer. 
c) Connect the ground wire to the green wire from Timer. 
d) Connect the neutral wire to the white wire from the timer. Often the neutral (white) 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 neutral to all neutral wires bound together making sure wire nut is tight. 
e) For single pole installation attach wire nut to red (traveler) wire from the back of the timer. This wire 
is not needed in the single pole installation. 

Note: Be sure that all wire nuts are secure.

4.  Tuck the wires into the wall box leaving room for the timer. Using the screws provided, mount the 

timer to the wall box being careful not to crush any wires.

5.  Turn main power ON at the circuit breaker.

Typical 3-Way Wiring:  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 tied 
to the lamp/load the switches turn OFF and ON. 

Common = Screw terminals found on the back single pole or 3-way 

toggle switch.

NOTE: For 3-way timer control and operation of fixtures with Mechanical Bal ast, 
instal  timer in the “load side” wiring box.

Existing 3-Way Installation Line Side

(The maximum distance between timer and 3-way switch is 100ft)

Timer on Line Side
1.  Remove power from the circuit by turning off the circuit breaker or removing fuse.
2.  Remove the line side 3-way switch and remove wires, label the wire removed from the common 

terminal.

3.  Connect the common wire (1) to the black wire of the timer using the supplied wire nuts
4.  Connect the white wire of the timer to the neutral wire (white).  The neutral wires may be bundled 

together in the back of the box. There may be several neutral wires bound together. Add the neutral to 
all neutral wires bound together making sure wire nut is tight.

5.  Connect the two remaining wires left to the red wire (5) and blue wires (4) of the timer.  If the wires are 

colored or marked you can tell them apart and record their markings for use later.

6.  Connect the green wire (3) to the ground wire (green or bare wire in box).
7.  Carefully tuck the wires into the switch box leaving room for the timer.
8.  Use the screws provided to install the timer in the box being careful not to crush any wires.

Switch on Load Side
1.  Remove the Load side 3-way switch and remove and label the common wire (4).
2.  Connect the jumper wire from the switch to both the load wire and wire (4). You should have three 

wires connected with one wire nut.

3.  Connect the jumper back to the common input of the 3-way switch.
4.  The other wire (5) should stay connected to one of the other connections of the 3-way switch.
5.  Carefully tuck the wires into the switch box leaving room for the timer.
6.  Using the screws provided install the timer being careful not to crush or pinch any wires.
7.  Restore power at the circuit breaker or fuse box.
8.  Verify that the load turns ON and OFF when you manually turn the timer ON and OFF. Perform this 

test with the remote switch in both positions.

9.  If the load does not operate properly you need to swap wire (4) and wire (5). This can be done at the 

timer or remote switch, after removing power from the circuit at the circuit breaker or fuse box.

10. Verify that the load turns ON and 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.

Existing 3-Way Installation Load Side

(The maximum distance between timer and 3-way switch is 100ft)

Switch on Line Side
1.  Remove power from the circuit by turning off the circuit breaker or removing fuse.
2.  Remove the 3way switch from the hot/line side. Remove and label the common wire and remove one 

of the other wires.

3.  Using the supplied wire nuts connect the wire removed from the common, the supplied jumper, and 

the other removed wire (1) together.

4.  Connect the jumper back to the common connection of the switch.
5.  If the two wires wire (1) and wire (5) on the switch are colored or marked so you can tell them apart 

record their markings for use later.

6.  Tuck the wires into box leaving room for switch.
7.  Install switch into the box.

Timer on Load Side
1.  Remove the load side 3-way switch and remove the 3 wires, labeling the common wire.
2.  Connect the removed common wire to the timer blue wire.
3.  Connect wire (1) to the timer black (line) wire.
4.  Connect wire (5) to the timer red (traveler) wire.
5.  Connect the white wire (1) of the timer to the white wire in the switch box (neutral).  The neutral wires 

may be bundled in the back of the switch box with a wire nut.  There may be several neutral wires 
bound together.  Add the neutral to all neutral wires bound together making sure the wire nut is tight.

6.  Connect the green wire (3) of the timer to ground in the switch box.
7.  Tuck the wires into the switch box leaving room for the timer.
8.  Use the supplied screws to install timer being careful not to crush or pinch the wires.
9.  Restore power at the circuit breaker or fuse box.
10. If the timer display does not turn on, you may need to swap wire (1) and wire (5).  This can be done at 

the timer or toggle switch, after removing power from the circuit at the fuse box or circuit breaker.

11. Verify that the load turns ON and 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

This device complies with part 15 of the FCC rules. Operation is subject to the fol owing two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference 
received, including interference that may cause undesired operation.

FCC NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized 
modifications to this equipment. Such modifications could void the user’s authority to operate the 
equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against 
harmful interference in a residential instal ation. This equipment generates, uses and can radiate radio 
frequency energy and, if not instal ed and used in accordance with the instructions may cause harmful 
interference to radio communications. However, there is no guarantee that interference wil  not occur in 
a particular instal ation. If this equipment does cause harmful interference to radio or television reception, 
which can be determined by turning the equipment off and on, the user is encourage to try to correct the 
interference by one or more of the fol owing measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This Class B digital apparatus complies with Canadian ICES-003.

15312

Version 3

11-03-2011 

www.jascoproducts.com

Typical Wiring Schematic for Single Pole Installation

Black

Black

Load

White

White

White

Blue

 Line

= Wiring Nut

Ground

Green Timer

Figure 1

SunSmartTM Digital Timer

Installation 

Instructions

Load Side

Hot Side

Line

Neutral

H

H

H

H

C

C

Figure 2

RED

GREEN

BLUE

WHITE

BLACK

Typical Wiring Schematic for 3-Way Installation

2

4

5

3

2

5

1

3

4

RED

GREEN

BLUE

JUMPER

GROUND

WHITE

BLACK

Line

Load

C

Typical Wiring Digram for 3-way installation
with timer on hot/line side

1 = Line

2 = Neutral

3 = Ground

4 = Load

5 = Traveler

C = Common

2

1

5

3

2

5

1

3

4

RED

GREEN

BLUE

GROUND

WHITE

BLACK

C

Typical Wiring Digram for 3-way installation
with timer on load side

Load

Line

1 = Line

2 = Neutral

3 = Ground

4 = Load

5 = Traveler

C = Common

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