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PSHDU
LightSense
™
Universal Dimmer
Installation Instructions
Specifications
Voltage 120VAC, 60Hz
Operating Temperature . . . . . . . .32°F to 104°F (0°C to 40°C)
Maximum Load Rating . . . . . . . . . . . . . . . . . . . . . . . . . . .600W
Minimum Load Required . . . . . . . . . . . . . . . . . . . . . . . . . .25W
Load Type Compatibility . . . . . . . . . . . . . . . . . . . . . . .25-600W
Incandescent and quartz halogen lamps
The following are limited to a maximum load of 500W:
Magnetic low voltage transformers, dimming rated electronic
low voltage transformers, dimming rated cold cathode neon
ballasts, dimming rated 2-wire fluorescent (Advance MK X or
equivalent) and compact fluorescent ballasts
U.S. Patent 6,175,220. Other utility,
design, and foreign patents pending.
Syracuse, NY 13221-4822
800.223.4185
www.passandseymour.com
UNIT DESCRIPTION
The LightSense™ PSHDU Universal Dimmer provides dimming of various
lighting load types. When used in conjunction with optional LightSense PSHC
multilocation controllers, the PSHDU offers control of a dimming circuit from
multiple locations.
Load Types
Use the LightSense Universal Dimmer for these load types (at 120V):
• Incandescent and quartz halogen lamps (25-600W)
• Dimmable electronic low voltage transformers (25-500W)
• Dimmable cold cathode, neon ballasts (25-500W)
• Dimmable, 2-wire fluorescent (Advance MK X or equivalent) and compact
fluorescent ballasts (25-500W)*
* Lamps must be burned in to manufacturer’s specifications before use.
See “Fluorescent Setup” for configuration information.
Do not mix different load types on the same dimmer.
Do not use with fluorescent fixtures other than those listed.
Derating
When
more than one dimmer
is installed in a multi-gang box, it is necessary to
reduce the maximum load on each dimmer:
• For a dimmer in either end position of a multi-gang box, reduce its maximum
load to 500W.
• For a dimmer in a central position of a multi-gang box, reduce its maximum
load to 400W.
Call 800.223.4185 for Technical Support
CAUTION
To reduce the risk of
overheating and possible
damage to other equipment, do
not install to control a receptacle,
or a motor-operated appliance.
CAUTION
Afin de réduire le risque de
surchauffe et la possibilité
d’endommager d’autres matériels,
ne pas installer pour commander
une prise ou un appareil à moteur.
Visit our website for FAQs: www.passandseymour.com
INSTALLATION
For ease of installation, Pass & Seymour/Legrand recommends use of a deep
wall box.
1. Disconnect power to circuit by turning circuit breaker OFF before installation.
2. Remove existing wall plate and switch.
3. Strip existing wires
1
/
2
"
. If two wires will be connected to the same terminal
on a LightSense™ device, both wires must be the same gauge (12AWG or
14AWG).
4.
Select your application to continue…
Single Location Application
5. Wire the LINE (black), NEUT (white), and GND supply wires to the
correspondingly marked screw terminals and wire the load (black) wire to the
LOAD terminal, according to Figure 1.
LOAD
LINE
GND
Wire Legend
Ground
Line
Neutral
NEUT
Figure 1: Single location wiring
PSHDU
DIMMER
CAUTION
TURN THE POWER OFF AT THE CIRCUIT BREAKER BEFORE
INSTALLING THE DIMMER.
Call 800.223.4185 for Technical Support
Two Location Application
Use with one LightSense™ PSHC multilocation controller.
DO NOT WIRE WITH CONVENTIONAL SWITCHES
AS PART OF a 3-WAY or 4-WAY SWITCHING CIRCUIT.
5. Install the PSHDU dimmer and the PSHC controller, following the wiring
diagram in Figure 2. The dimmer can go in either location. Use a 3-wire
and ground cable to wire between devices. (In existing 3-way switched
installations this wire is already in place.) The PSHC requires a ground.
Be sure to verify the ground connection.
GND
LOAD
LINE
GND
REMOTE
REMOTE
PSHC
Multilocation
Controller
PSHDU
DIMMER
Supply
Wires
Load
Wires
12AWG
or
14AWG
between
LightSense
devices
Wire Legend
Traveler
Ground
Line
Neutral
NEUT
Connect traveler wire (red) between the
REMOTE terminals on each device in the circuit.
Max. traveler wire 200' (60m).
Figure 2: Two location wiring
Visit our website for FAQs: www.passandseymour.com
Three or More Location Application
Use with two or more LightSense™ PSHC multilocation controllers, for
multilocation control.
DO NOT WIRE WITH CONVENTIONAL SWITCHES
AS PART OF a 3-WAY or 4-WAY SWITCHING CIRCUIT.
5. Install the PSHDU dimmer and the PSHC controllers, following the wiring
diagram in Figure 3. The dimmer may be in any position in the circuit. Use
a 3-wire and ground cable to wire between devices. (In existing 3-way
switched installations this wire is already in place.) Be sure to verify the
ground connection.
Finishing the Installation
6. Attach the wall plate.
7. Switch the circuit breaker ON.
8. Make sure the LED on the PSHDU dimmer is lit. There is no LED on the
PSHC controller.
GND
REMOTE
Load
Wires
Wire Legend
Traveler
Ground
Line
Neutral
GND
LOAD
LINE
GND
REMOTE
REMOTE
PSHC
Multilocation
Controller
PSHDU
DIMMER
Supply
Wires
12AWG
or
14AWG
between
LightSense
devices
PSHC
Multilocation
Controller
NEUT
Connect traveler wire (red) between the
REMOTE terminals on each device in the circuit.
Max. traveler wire 200' (60m).
Figure 3: Wiring for 3 or more locations
INSTALL IN COMPLIANCE WITH ALL APPLICABLE CODES AND
STANDARDS. Failure to follow these instructions may cause
personal injury or equipment damage.
Call 800.223.4185 for Technical Support
Fluorescent Setup
If the dimmer will operate 2-wire fluorescent or compact fluorescent loads, a
special configuration step is required; if not, skip ahead to “Operation.”
1. Press and hold the top and bottom of the device panel simultaneously until
the LED flashes yellow (about 2 seconds).
2. Release the top and bottom of the device pad simultaneously then press the
top of the device paddle ( ) until LED briefly flashes red.
3. Press and hold the top and bottom of the device pad simultaneously until
the LED changes to green (about 2 seconds).
4. To reconfigure the dimmer to control non-fluorescent loads, repeat the above
steps 1-3, but press the bottom of the device paddle ( ) rather than in
step 2; the LED briefly flashes green to confirm the cancellation of
fluorescent operation.
OPERATION
Note: The dimmer may feel warm to the touch during normal operation.
When you see
in the
instructions,
touch the top
of the switch
as directed.
When you see
in the
instructions,
touch the
bottom of the
switch as
directed.
Tap once Fade the load to its last-used level
Tap twice Full bright
– – Press and hold Increase the present level
Tap once Fade the load to OFF
– – Press and hold Decrease the present level
Replacing Lamps
When a lamp must be replaced, use the Air Gap Isolation feature for safety.
This feature is only available at the dimmer, which can be identified by its status
LED. (The PSHC Multilocation Controllers do not have an LED and can not
operate this feature.)
To activate the feature from the dimmer:
Press FIRMLY, so that the paddle clicks and latches in. Make sure the
status LED is extinguished, indicating that it’s safe to relamp.
To release and return to normal operation, press .
Power Fail Memory
After a power failure, all LightSense™ devices automatically return to the state
they were in immediately prior to loss of power.
CLEANING
Clean using a cloth dampened only with water and a little mild detergent.
Use of solvents or hydrocarbon-based cleaners may cause permanent damage.
TROUBLESHOOTING
With one or more PSHC multilocation controllers in the circuit, the dimmer
works, but the multilocation controllers don’t function.
LINE and LOAD connections might be reversed. Check to make sure the
connections are correctly terminated at the dimmer.
The PSHC Multilocation Controllers require a ground connection. Check
to make sure the ground wires are securely connected.
The light level changes without pressing any switches, or the dimmer
does not respond when I press its switch.
There may be a problem with the traveler wire. Remove power from the
circuit. Disconnect all traveler wires from the dimmer’s Remote terminals.
Restore power. If the dimmer now operates the load properly, the problem
is with the traveler wire. It may be too long or may be shorted to another
conductor.
The Dimmer does not work and the status LED is flashing red
• at 1Hz (5 times in 5 seconds):
The dimmer has detected an unsuitable load or a load below 25 watts.
To clear the fault condition, tap and wait for the LED to turn green.
Disconnect power, check the load, restore power and try again.
• at 2Hz (10 times in 5 seconds):
The dimmer has detected an overload condition and has shut down.
To clear the fault condition, tap and wait for the LED to turn green.
Disconnect loads in excess of rated load and try again.
• at 3Hz (15 times in 5 seconds):
The dimmer has detected a short-circuit condition and has shut down. To
clear the fault condition, tap and wait for the LED to turn green. Remove
power, rectify the short-circuit condition, restore power and try again.
P.O. Box 4822 • Syracuse, NY • 13221-4822
Technical Support: 800.223.4185
www.passandseymour.com
LIMITED FIVE YEAR WARRANTY
Pass & Seymour will remedy any defect in workmanship or material in Pass & Seymour products which may
develop under proper and normal use within five years from date of purchase by a consumer: (1) by repair
or replacement, or, at Pass & Seymour’s option, (2) by return of an amount equal to consumer’s purchase
price. Such remedy is IN LIEU OF ANY AND ALL EXPRESSED OR IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Such remedy by Pass & Seymour does
not include or cover cost of labor for removal or reinstallation of the product. ALL OTHER FURTHER
ELEMENTS OF DAMAGE (INCIDENTAL OR CONSEQUENTIAL DAMAGES) FOR BREACH OF ANY AND
ALL EXPRESSED OR IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE ARE EXCLUDED HEREBY. (Some states do not allow disclaimers
or exclusion or limitation of incidental or consequential damages, so the above disclaimer
and limitation or exclusion may not apply to you.) ANY IMPLIED WARRANTIES INCLUDING WHERE
REQUIRED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL
BE LIMITED TO THE FIVE YEAR PERIOD SET FORTH ABOVE. (Some states do not allow limitations on
how long an implied warranty lasts, so the above limitation may not apply to you.) To ensure safety, all repairs
to Pass & Seymour products must be made by Pass & Seymour, or under its specific direction. Procedure to
obtain performance of any warranty obligation is as follows: (1) Contact Pass & Seymour, Syracuse, New York
13221, for instructions concerning return or repair; (2) return the product to Pass & Seymour, postage paid,
with your name and address and a written description of the installation or use of the Pass & Seymour
product, and the observed defects or failure to operate, or other claimed basis for dissatisfaction. This
warranty gives you specific legal rights and you may also have other rights which vary from state to state.
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