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SS400 SERIES

DIP SWITCH SETTINGS

SS400 SERIES

DIP SWITCH SETTINGS

FRENCH

ON - SWITCH UP

OFF - SWITCH DOWN

TIMER BUTTON

RESET BUTTON

ON - INTERRUPTEUR ALLUMÉ

OFF - INTERRUPTEUR ÉTEINT

BOUTON TIMER (MINUTEUR)

BOUTON DE RÉINITIALISATION

SS400 SERIES

DIP SWITCH SETTINGS

SPANISH

ON (ARRIBA)

OFF (APAGADO)

BOTON DE TEMPORIZADOR 

BOTON DE REINICIO 

LI-931(B)

FOR TECHNICAL SUPPORT: [email protected] 888.500.4598

INSTALLATION INSTRUCTIONS

WIRING FOR SS403 Series

1. Turn power off at the electrical panel.

2. Connect the timer black wire to line. Connect the timer red wire to the load. Cap unused yellow wire.

3. Connect the green wire to the ground. Unit must be properly grounded to operate.

4. Mount the timer inside electrical box using 2 mounting screws provided.

5. Turn power on at the electrical panel.

6. Timer dip switches are factory preset for 2 hour operation. Change dip switches and program only if custom 

setting is desired. Follow SET-UP INSTRUCTIONS.

7. Close timer cover and install wall plate. Settings are now tamper resistant. 

8. Remove wall plate to open timer cover and change settings. 

RETROFITTING A SS403 TO EXISTING 3-WAY OR 4-WAY SWITCH

1. Turn power off at the electrical panel. 

2. Disconnect the second 3-way switch.

3. Connect the timer red wire to the load. Connect the timer black wire to “Traveler A” and the timer yellow wire 

to “Traveler B”. Connect the green wire to the ground.  Unit must be properly grounded to operate.

4. Mount the timer inside electrical box using two mounting screws provided. 

5a. (3-way switch wiring 

Figure 1

): At switch #1 connect a wire between the hot leg of the 3-way and “Traveler 

A” inside of that switch’s gang-box.

5b. (4-way switch wiring 

Figure 2

): Replace wall switches with a properly rated momentary switch. At switch 

#1, connect “Traveler A” to hot leg and one side of momentary switch. Connect “Traveler B” to other side of 

momentary switch. At switch #2, connect “Traveler A” together and to one side of momentary switch. Connect 

“Traveler B” together and to other side of momentary switch.

6. Turn power on at the electrical panel.

7. Timer dip switches are factory preset for 2 hour operation. Change dip switches and program only if custom 

setting is desired. Follow SET-UP INSTRUCTIONS.

8. Close timer cover and install wall plate. Settings are now tamper resistant. 

9. Remove wall plate to open timer cover and change settings. 

Note: Maximum 100ft wire length from the 3-way (multi-way) switch to timer.

Figure 1

SET FOR 4-WAY OPERATION

The SS403 and SS423 timers are factory preset for 3-way wiring with a maintained wall switch.

Optional 4-way (multi-way): Open timer door and press reset button. Unit will display 3-W representing 3-way. 

Press the TIMER button to change screen to 4-W. After 10 seconds the display will blink twice. Display will confirm 

operating hertz (60 typical). Unit now ready to program. Momentary switches must be used as additional switch 

positions in the 4-way (multi-way) setting. Refer to wiring diagrams.

Figure 2

SET-UP INSTRUCTIONS FOR THE SS400 SERIES

When powering up for the first time, allow 1 minute for unit to show OFF on screen. If the screen in blank 

after 1 minute, press RESET button, see 

Figure 3

.

Default Set 2 hours 

The SS403 and SS423 timers are factory preset to meet newer energy code override mandates. No 

adjustment is required.

 

This setting will provide a two hour maximum operating time before shut off. The 

scroll feature is active to allow the user to change the operating time with the maximum time setting at two 

hours.

Close the timer door and unit is ready. One press of the bottom cover turns the load ON and load will stay 

ON until a countdown to the preset off time. Pressing the bottom cover again will turn load OFF.

SET FOR OTHER THAN FACTORY DEFAULT OPERATION

Figure 3   

 

 

                   Figure 4

1. 

4HR:

 Set ON for preset 4 hour maximum countdown when 2HR is set to OFF.

Also used in custom time programming.

2. 

2HR:

 Set ON for preset 2 hour maximum countdown when 4HR is set to OFF.

Also used in custom time programming.

3. 

LIMIT:

 Used with programming sequence. Switch from ON to OFF to limit scroll to match custom time.

4. 

SCROLL:

  Set ON allows timer to scroll to a shorter run time. Set OFF to disable. Also used in 

programming sequence. Switch from ON to OFF to set a custom time. The time scrolls in steps:

5 minute steps from 5 minutes to 1 hour.

10 minute steps from 1 to 4 hours.

30 minute steps from 4 hours to 12 hours.

1 hour steps from 12 to 24 hours.

5. 

BEEPER:

 Set ON activates feature for beep warning every 15 seconds starting at 2 

minutes before OFF. See 

Figure 4

.

6. 

BLINK:

 Set ON activates feature for load flash 2 minutes before OFF. See 

Figure 4

.

SET FOR 4 HOUR

Change the dip switch settings, as shown below, to provide four hour maximum operating time before shut 

off as allowed by some energy codes. The scroll feature is active to allow the user to change the operating 

time with the maximum time setting at four hours.

ACTIVATING WARNING FEATURES

The SS400 series provides for a warning 2 minutes before shutting load off. The optional audible warning 

beeps every 15 seconds for the 2 minute warning period. The optional blink warning will turn off the load for 

1 second at 2 minutes before shut off.

To activate one or both, change the switch matching the  feature to the ON position. An icon will confirm these 

features are active. See 

Figure 4

.

SET A CUSTOM TIME (SOMETHING OTHER THAN 2 OR 4 HOURS)

The SS400 series may be programed to a custom length of time for countdown. The time can range between 

5 minutes and 24 hours. The scroll feature is active to allow the user to change the operating time up to the 

custom time setting. 

SET A CUSTOM TIME AND ALLOW SCROLL UP TO 24 HOURS.  

The SS400 series may be programed to a custom length of time for countdown. The scroll feature is active to 

allow the user to change the operating time up to the maximum time setting of 24 hours. 

OPERATIONS

Once set-up is complete, attach the supplied decorator-type wallplate to the unit.  The bottom cover becomes 

the switch to control the timer operations. Press the bottom cover once. Timer goes to preset time, turns load 

ON, and starts countdown interval to automatic OFF. Pressing the bottom cover again will turn load OFF. If 

the SCROLL feature is active, press and hold the main bottom cover and timing will change. Release when the 

desired time is shown.  

In the OFF mode, LCD screen scrolls timer interval message every 15 seconds (SEt - For - HH:MM - LOAD - 

OFF). Example of 3 hour default message: SEt - For - 02:00 - LOAD - OFF. 

INSTALLATION INSTRUCTIONS

SS403

IN-WALL DIGITAL

INTERVAL TIMER

ONE YEAR LIMITED WARRANTY: If this 

product fails because of a manufacturing 

defect within one year after purchase, 

we will, at our option, either repair or 

replace it at no charge. Our warranty 

does not cover damage caused by 

accident, abuse or misuse. We assume 

no further liability with respect to the sale 

or use of this product. THIS WARRANTY 

IS IN LIEU OF ALL OTHER WARRANTIES, 

EXPRESSED OR IMPLIED, INCLUDING 

THE WARRANTY OF MERCHANTABILITY. 

We make no warranty with respect to 

the fitness of any goods for the users 

particular application. This warranty 

gives you specific legal rights, and you 

also may have other rights which vary 

from state to state.

It is our intent to provide accurate 

and current specification information. 

However, in the interest of product 

improvement, TORK may alter the 

specifications or constructional details 

without prior notice.

DIP SWITCHES

1

4 HOUR

2

2 HOUR

3

LIMIT

4

SCROLL

5

BEEPER

6

BLINK

OFF

ON

OFF

ON

OFF

OFF

DIP SWITCHES

1

4 HOUR

2

2 HOUR

3

LIMIT

4

SCROLL

5

BEEPER

6

BLINK

OFF

ON

OFF

ON

OFF

OFF

Factory Default 

Settings

ON

OFF

OFF

ON

OFF

OFF

Set DIP Switches as 

shown

DIP SWITCHES

1

4 HOUR

2

2 HOUR

3

LIMIT

4

SCROLL

5

BEEPER

6

BLINK

OFF

ON

OFF

ON

OFF

OFF

Factory Default 

Settings

OFF

ON

OFF

ON

OFF

ON

Set BLINK to ON

DIP SWITCHES

1

4 HOUR

2

2 HOUR

3

LIMIT

4

SCROLL

5

BEEPER

6

BLINK

OFF

ON

OFF

ON

OFF

OFF

Factory Default Setting

ON

ON

ON

ON

OFF

OFF

1. Set DIP SWITCHES as shown

2a. Press and release TIMER button

2b. Wait for screen to show count-

down. 

2c. Press and hold TIMER button.

2d. Release button when desired time 

shows

ON

ON

OFF

OFF

OFF

OFF

3. Set LIMIT and SCROLL switch to 

OFF

ON

ON

OFF

ON

OFF

OFF

4. Set SCROLL switch to ON

DIP SWITCHES

1

4 HOUR

2

2 HOUR

3

LIMIT

4

SCROLL

5

BEEPER

6

BLINK

OFF

ON

OFF

ON

OFF

OFF

Factory Default Setting

OFF

OFF

OFF

ON

OFF

OFF

1. Set DIP SWITCHES as shown

2a. Press and release TIMER button

2b. Wait for screen to show countdown. 

2c. Press and hold TIMER button.

2d. Release button when desired time 

shows

OFF

OFF

OFF

OFF

OFF

OFF

3. Set SCROLL switch to OFF

OFF

OFF

OFF

ON

OFF

OFF

4. Set SCROLL switch to ON

“       “= Beeper
“          “ = Blink

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