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August 31, 2026 6 min read
Complete programming guide for the PCS SimpleWorx SST-15 Sunrise/Sunset Timer.
Complete programming guide for the PCS SimpleWorx SST-15 Sunrise/Sunset Timer — a powerline-carrier lighting/load timer with astronomic dusk/dawn calculation and remote control from SimpleWorx transmitters.
SimpleWorx products remote-control lighting and electrical loads with no new wiring — devices "link" to each other by communicating over existing electrical power wiring. Each transmitter can link to as many receivers as needed; each receiver can link up to eight transmitters.
The SST-15 Sunrise/Sunset Timer turns 120VAC devices ON/OFF based on one of ten preset schedules, and can also be controlled from up to eight SimpleWorx Transmitters. Once linked to a transmitter, its load can be turned on/off remotely as if it were the transmitter's own load.
Caution: Do not insert metal objects into the module while it is connected to power.
The "LINK" button below the Status LED handles manual control, programming, and linking:
| Step | Action | Response |
|---|---|---|
| 1 | Press and hold the SST Link button for 6 seconds (enters Link Mode) | LED flashes GREEN and flashes the load (if connected) |
| 2 | Tap the Link button 3 times quickly (enters Program Mode) | Load blinks; LED changes to blinking RED |
| 3 | Tap LINK 1-10 times to select desired Schedule | Status LED pulses GREEN (1-10) times to confirm, returns to blinking RED |
| 4 | Tap LINK 1-6 times to select Time Zone | Status LED pulses GREEN (1-6) times to confirm, returns to blinking RED |
| 5 | Tap 1x (USA DST), 2x (Mexico DST), or 3x (Disable) for Daylight Savings Time | Status LED pulses (1 or 3) times GREEN, returns to blinking RED |
| 6 | Tap 1-14 times to select Longitude | Status LED pulses (1-14) times GREEN, returns to blinking RED |
| 7 | Tap 1-12 times to select Latitude | Status LED pulses (1-12) times GREEN, load toggles once, LED returns to solid RED (programming complete) |
Tap the Link button 3 times quickly. The LED turns off, then flashes GREEN (1-14 times per item) confirming Schedule, Time Zone, DST, Longitude, and Latitude selections in turn, with a pause between each. The load toggles once when done, and the LED returns to solid RED.
| Taps | ON | OFF |
|---|---|---|
| 1 | SUNRISE | SUNSET |
| 2 | SUNRISE +30 Min | SUNSET -30 Min |
| 3 | MIDNIGHT | SUNSET |
| 4 | 10:00PM | SUNSET |
| 5 | 2:00 AM | SUNSET |
| 6 | SUNRISE / SUNRISE -30 Min | SUNSET / MIDNIGHT |
| 7 | SUNRISE / SUNRISE -60 Min | SUNSET / MIDNIGHT |
| 8 | SUNRISE +30 Min / SUNRISE -30 Min | SUNSET / MIDNIGHT |
| 9 | SUNRISE +30Min / SUNRISE -60 Min | 10:00 PM / SUNSET |
| 10 | SUNRISE +30 Min / SUNRISE -30 Min | 10:00 PM / SUNSET |
1 = Eastern (UTC-5) · 2 = Central (UTC-6) · 3 = Mountain (UTC-7) · 4 = Pacific (UTC-8) · 5 = Alaskan (UTC-9) · 6 = Hawaiian (UTC-10)
1 tap = Enable DST (USA) · 2 taps = Enable DST (Mexico) · 3 taps = Disable DST
1 tap = 121-125° · 2 = 116-120° · 3 = 111-115° · 4 = 106-110° · 5 = 101-105° · 6 = 96-100° · 7 = 91-95° · 8 = 86-90° · 9 = 81-85° · 10 = 76-80° · 11 = 71-75° · 12 = 65-70° · 13 = 155-158° (Hawaii) · 14 = 135° (Juneau, AK)
1 tap = 56-60° · 2 = 51-55° · 3 = 46-50° · 4 = 41-45° · 5 = 36-40° · 6 = 31-35° · 7 = 26-30° · 8 = 21-25° · 9 = 16-20° · 10 = 11-15° · 11 = 6-10° · 12 = 0-5°
After setting longitude and latitude, sunrise/sunset times will be accurate within 10 minutes.
The SST clock is preset at the factory. Time and schedule settings persist for 10 years even if disconnected from power. Once a schedule is selected, it runs daily and the clock auto-adjusts to local time per the selected time zone.
Any SimpleWorx transmitter can remotely control one or more SimpleWorx receivers. To link:
Note: The transmitter automatically times out of Link mode after 5 minutes.
Note: This erases all transmitters the SST was linked to.
| LED Color | Status |
|---|---|
| Solid RED | Power applied to module |
| Blinking GREEN | Device is in Link Mode |
| Solid GREEN | Transmitting an SPC™ message |
| Blinking RED | In Programming Mode |
| Blinking ORANGE | In Re-Schedule Mode |
| Slowly Blinking RED | Temperature protection activated |
Tested by Intertek Testing Services, a nationally recognized independent third-party laboratory. The North American ETL listed mark signifies the product meets a widely recognized consensus of US and Canadian product safety standards.
Limited Warranty: The seller warrants this product, if used per all applicable instructions, to be free from original defects in materials and workmanship for five years from the date of purchase. See www.pcslighting.com for exact warranty details. (Note: page 1 also states a 10-year warranty for the product line generally — refer to pcslighting.com for the definitive term.)
Powerline Control Systems, Inc. (PCS / SimpleWorx), 19201 Parthenia St. Suite J, Northridge, CA 91324. Phone: 818.701.9831. Fax: 818.701.1506. Email: pcssales@pcslighting.com. Web: www.pcslighting.com.
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