Installation Guide

Symptom Cause Action
Main Dimmer: LEDs 6, 8, and 9 are flashing slowly (once per second)
Some Companions: LEDs 1, 2, and 4 are flashing quickly (three times
per second)
Some Companions: LEDs 7, 8, and 9 are flashing slowly (once per second)
One or more companion dimmer is on the load side of the
main dimmer. All companions must be on the line side of the
main dimmer.
1. Swap the main dimmer with a companion dimmer that has LEDs 1, 2, and 4 ashing quickly
(three times per second).
2. Repeat action 1 until all companions are ashing slowly (once per second) or not ashing.
Main Dimmer: LEDs 1,7,and 9 are flashing
Companion: No LEDs illuminated
Wiring error
1. Swap wires on black and brass terminals on main dimmer.
2. Ensure wiring matches wiring diagrams.
Main Dimmer: LEDs 7, 8,and 9 are flashing
Companion: No LEDs illuminated
Wiring error
1. Swap wires on blue and brass terminals on the main dimmer.
2. Ensure wiring matches wiring diagrams.
Main Dimmer: LEDs 1 and 7 are flashing
Companion: No LEDs illuminated
The phase is not set to the correct setting for your load type
Change to forward-phase. Conrm load compatibility in Step 2 and use instructions in
Phase-Select Mode above to change phase.
Incoming line voltage is too high Ensure that the input voltage to the device is less than 130 V~.
Main Dimmer: LEDs 1, 2, and 3 are flashing
Companion: No LEDs illuminated
Incompatible load Check if lamp is compatible on www.lutron.com/lednder. Change to compatible lamp.
Hot and neutral connections are reversed Swap wires on the black and silver terminals.
Main Dimmer: LED 5 is flashing
Companion: No LEDs illuminated
Load or ambient temperature exceed ratings 1. Ensure load is within ratings in Step 2. Note deratings for multi-gang applications.
2. Ensure ambient temperature is less than 104 °F (40 °C).
3. Pull FASS and replace. See Operation in the Setup section above.
Main Dimmer: LEDs 1-9 are flashing
Companion: No LEDs illuminated
A. Wiring issue at main dimmer
B. Wiring issue at load or load failure
C. Improper phase selection
D. Incompatible load
1. Swap wires on the silver and brass terminals on the main dimmer.
2. Check wiring at all the terminals.
3. Check for short circuits to neutral or ground in all wiring locations, including at the load.
4. Remove load and check if it failed as a short.
5. Change phase. Conrm load compatibility in Step 2 and use instructions in Phase-Select
Mode above to change phase.
6. Check if lamp is compatible on www.lutron.com/lednder. Change to compatible lamp.
LED lights do not operate well or they flicker/buzz The phase is not set to the correct setting for your load type
The low-end is not adjusted
The lamp is not compatible with your Lutron dimmer
1. Conrm phase mode for your load type. See Table in Step 2.
2. Use instructions in Phase-Select Mode above to change phase.
3. Perform low-end trim adjustment in Step 5.
4. Find a compatible lamp by visiting Lutron’s LED compatibility tool at www.lutron.com/lednder
4
Mount the dimmer and attach faceplate
5
Turn power ON at circuit breaker
2
Load types and operation
Sunnata PRO LED+ Dimmer
ST-PRO-N
120 V~ 50 / 60 Hz
Note: For dimming MLV fixtures, the maximum lamp wattage is typically 70%-85% of the
transformer’s VA rating. For actual transformer efficiency, contact the manufacturer. The total VA
rating of the transformer(s) shall not exceed the VA rating of the dimmer.
®
Use our mobile friendly self-paced
installation tool:
www.lutron.com/wiringwizard
Find more product information:
www.lutron.com/support
- Videos
- Frequently Asked Questions
Call us:
U.S.A. | Canada | Caribbean
1.844.LUTRON1 (588.7661) (24/7)
Mexico
+1.888.235.2910
Others
+1.610.282.3800
ON
OFF
WARNING: ELECTRIC SHOCK HAZARD.
May result in Serious Injury or Death. Turn off
power at circuit breaker or fuse before installing.
1
Turn power OFF at circuit breaker
3
Remove existing device and connect the new dimmer (appropriately choose ONE of the diagrams below)
Single pole wiring
Multi-location wiring - Tag the wire connected to the different
colored screw (Common screw) of the switch
being removed. **
OR
3A
IMPORTANT
3B
1. CAUTION: Use only with permanently installed fixtures with
dimmable screw-in LED, dimmable self-ballasted compact
fluorescent, halogen, or incandescent lamps. Use only to control
the primary side of permanently installed transformer supplied
low-voltage lighting, or in combination with incandescent lamps.
To reduce the risk of overheating and possible damage to other
equipment DO NOT use to control receptacles, fluorescent lighting
fixtures, non-ballasted or externally ballasted compact fluorescent
lamps, motor operated appliances or transformer supplied
appliances.
2. Neutral is required for all load types.
3. Install in accordance with all national and local electrical codes.
4. When no “grounding means” exist within the wallbox, the
NEC® 2011, Article 404.9 allows a dimmer without a grounding
connection to be installed as a replacement, as long as a plastic,
noncombustible wallplate is used. For this type of installation, twist
a wire connector onto the green ground wire or remove the green
ground wire on the dimmer and use an ap pro pri ate wallplate such
as Claro or Satin Colors series wallplates by Lutron.
5. Protect the dimmer from dust and dirt when painting or spackling
the wall.
6. This dimmer is not compatible with standard 3-way or 4-way
switches. Use only with Lutron companion dimmers listed above.
7. In any 3-way / 4-way circuit use only one dimmer with up to
4 companion dimmers.
8. Maximum wire length between the dimmer and the farthest
companion dimmer is 150 ft (45 m).
9. Operate between 32 °F and 104 °F (0 °C and 40 °C).
10. It is normal for the dimmers to feel warm to the touch during
operation.
11. Clean the dimmer with a soft damp cloth only. Do not use
any chemical cleaners. For more information, please see
www.lutron.com/productcleaningrecommendations
12. For indoor use only.
13. Tighten screw terminals securely to 5 in-lb (0.55 N•m).
14. Fully wrap 14 AWG / 12 AWG (1.5 mm
2
/ 4.0 mm
2
)wires around
the screw and tighten, or strip insulated 14 AWG (1.5 mm
2
) wires
to 1/2 in (13 mm) and insert into the push-in terminals.
Limited Warranty:
www.lutron.com/TechnicalDocumentLibrary/369-119_Wallbox_Warranty.pdf
For Lutron patents please visit www.lutron.com/patents
Lutron, Claro, Sunnata, LED+, FASS, and Satin Colors are trademarks
or registered trademarks of Lutron Electronics Co., Inc. in the US and/
or other countries.
NEC is a registered trademark of National Fire Protection Association,
Quincy, Massachusetts.
Companion Dimmer (for multi-location wiring)
ST-RD
120 V~ 50 / 60 Hz 8.3 A
Brass
120 V~
50/60 Hz
Neutral
Blue
Black
Silver
Green
Ground
ST-PRO-N
Line / Hot
Load
Brass
120 V~
50/60 Hz
Brass
Neutral
Blue
Blue
Black
Black
Silver
Green
Green
Ground
Line / Hot
Ground
Dimmer
ST-PRO-N
Companion Dimmer
ST-RD
Load
Ground wire
(bare or green)
Brass
Insert and
twist to
tighten
Blue (not
used)
Green wire
Silver
Black
ST-PRO-N
Tagged wire
Insert and
twist to
tighten
Brass
Blue
Green wire
Silver
Black
ST-PRO-N
Load
Neutral (required)
Line / Hot
Load
Neutral (required)
Help
www.lutron.com/support
©2021 Lutron Electronics Co., Inc.
250 W
LED / CFL
500 W
Inc. / Hal. / ELV
400 VA
MLV
INC / HAL
Note: Main dimmer MUST be wired on the load side.
Up to four companion dimmers may be used.
Ground wire
(bare or green)
Load Type
Minimum
Load
Maximum Load
Neutral
Required
Phase
Mode
Single Gang End of Gang Middle of Gang
LED 1 bulb 250 W 200 W 150 W
Required
Either
MLV Transformer
with LEDs
See Application Note #559 (P/N 048559) at www.lutron.com
No Derating Required
Forward
ELV Transformer
with LEDs
Reverse
MLV Transformer
with Halogen
10 W 400 VA (300 W) No Derating Required Forward
ELV Transformer
with Halogen
10 W 500 W 400 W 300 W Reverse
Incandescent /
Halogen
10 W 500 W 400 W 300 W Either
Dimmable
Fluorescent Ballast
1 ballast 3.3 A (400 VA) No Derating Required Forward
Hi-lume 1% 2-wire
(LTE) LED Driver
1 driver
3.3 A (400 W)
20 drivers max.
No Derating Required Forward
PHPM-PA / 3F and
GRX-TVI
1 interface 3 Interfaces No Derating Required Forward
* Neutral is required for all load types.
** To dim from 3 or more locations, visit lutron.com/Sunnata4Way
®
English
Please read before installing.
English
P/N 0301987 Rev. A
Operation
For additional Troubleshooting, please visit www.lutron.com/support
Troubleshooting
Setup ST-PRO-N Only
Find the right LED
lutron.com/LEDfinder
How-to videos
lutron.com/wiringwizard
NOTE: Main dimmer
MUST be on the load
side or Companion(s)
will not work.
Adjust Low-End Trim
Phase-Select Mode
1. Pull out the Front Accessible Service Switch (FASS).
2. Press and hold
On
. Push in the Front Accessible Service
Switch (FASS) and continue to hold
On
until LED 1 and LED 9
start flashing.
3. Release the
On
. LED 1 or LED 9 will be flashing to indicate
current phase mode.
LED 9 - Forward-Phase
LED 1 - Reverse-Phase (default)
4. Touch the light bar to select the desired phase.
5. Press and hold
On
to save and exit.
See the Sunnata Dimmer MyLevel Personalization Application
Note #734 (P/N 048734) at www.lutron.com/SunnataMyLevel for
details on how to further adjust other settings.
LED 9
LED 8
LED 7
LED 6
LED 5
LED 4
LED 3
LED 2
LED 1
On
Off
0
5
10
15
Hold
6 sec
0
5
10
15
Hold
6 sec
F
A
S
S
F
A
S
S
F
A
S
S
F
A
S
S
F
A
S
S
F
A
S
S
On
Off
(Front Accessible Service Switch)
Pull tab out to change the room’s
light bulb.
FASS
Adjust:
(Light Bar)
Slide to adjust the light level
Will not turn lights off
ON:
Default - Lights go to full brightness
Anytime - Double tap to full
brightness
OFF:
Default - Lights go off
Press and Hold for more than
1 second - Delayed long fade to off
(30 second delay)
1. Press and hold middle (LED 5) of light bar
until dimmer goes to low-end and low-
end setting starts to flash.
2. Slide up or down on the light bar.
3. Press and release
Off
to save and exit.
0
5
10
15
Hold
6 sec
This device complies with part 15 of the FCC Rules and Industry Canada license-exempt
RSS standard(s). Operation is subject to the following two conditions:
(1) This device may not cause interference, and
(2) This device must accept any interference, including interference that may cause undesired
operation. Modifications not expressly approved by Lutron ElectronicsCo., Inc. could void
the user’s authority to operate
this 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 installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. 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 encouraged to try to correct the
interference by one or more of the following 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 equipment complies with FCC/ISED radiation exposure limits set forth for an
uncontrolled environment. The user should avoid prolonged exposure within 7.9 in (20 cm) of
the antenna, which may exceed FCC/ISED radio frequency exposure limits.
This Class B digital apparatus complies with Canadian ICES-003.
FCC / IC / IFT Information

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