Installation Instructions
DM-115-WP
Outdoor HID Bi-Level Control Module
For fi xtures with CWA transformers and non-encased
capacitors, using Metal Halide, Metal Halide (Pulse Start) or
High Pressure Sodium lamps between 175-1000 watts
Specifications
For use with CWA (Constant Wattage Autotransformer) ballasts only.
Lamps: Metal Halide, Metal Halide (Pulse Start) and High Pressure Sodium
Load Ratings:
Metal Halide (MH) ...................................................................................175 to 1000W
Metal Halide, Pulse Start (MHPS) ..........................................................200 to 1000W
High Pressure Sodium (HPS) ..................................................................250 to 1000W
Relay Rating ........................................... 15A (zero crossing high to low and low to high)
Current Consumption ..................................................................................... 18mA max.
Total Current Output ..........................................................................15mA max.@24VDC
Maintained signal voltage to trigger (low to high) .................................................... 12μA
Lamp warm up upon power-up ...................................................................... 15 minutes
Operating Temperature Range ................................................-40 to 131°F (-40 to 55°C)
Weight ....................................................................................................................< 2lbs
Dimensions .................................................................................... 2.9”H x 4.2”W x 5.6”D
UL Listed for Wet Locations
U.S. Patents: 4,787,722
5,189,393
and Patent Pending
UNIT DESCRIPTION
The DM-115-WP is a control module that is used to switch HID (High Intensity Discharge) lamps
from high to low and from low to high. The DM-115-WP includes a rugged weatherproof housing
for outdoor mounting applications. The DM-115-WP bases its bi-level switching on signals
received from a controlling device (see below).
With the DM-115-WP and a motion sensor, HID lighting will switch to a lower, energy saving light
level (high to low) after a space becomes unoccupied. When the space is again occupied, lighting
returns to full brightness (low to high).
Upon initial power up of HID lamps, or after a power failure or phase drop, the DM-115-WP
supplies full power for a 15 minute lamp warm-up. Then, lighting either remains at full level if
the space is occupied, or goes to the low level if unoccupied.
The DM-115-WP’s bi-level switching avoids the warm-up problem otherwise found when
controlling HID fi xtures. The switching is immediate and lights are no longer left on at 100%
when unneeded. This saves energy and adds convenience.
Controlling Devices
One or more controlling devices (such as the EW-105-24, or EW-205-24 motion sensor) must
be used to control a DM-115-WP. A single motion sensor can provide control for up to two
DM-115-WP modules. (See Control Wiring on page 5). One DM-115-WP is required for each
ballast.
A controlling device must:
1. Have its own power supply, or be able to be powered by the +24VDC output from a DM-115-WP.
2. Provide a +24VDC control output to the DM-115-WP.
Box Contents
• DM-115-WP Bi-Level Control Module with
10’ low voltage 3-wire jacketed cable (1)
• Metal conduit lock ring (1)
• 1/2” conduit nipple (1)
• Rubber washer (1)
• Installation instructions (1)
Not Supplied
• Waterproof termination box (one minimum)
• 4” round waterproof j-box (for sensor mount)
• UV stable outdoor rated wire
(for external sensor connections)
• Cable ties to attach external wiring to pole
• Liquid-tight cord grip fi ttings (for each cable
entry into waterproof termination or j-box)
Visit our website for FAQs: www.wattstopper.com
DM115WP INSTALLATION
The DM-115-WP attaches directly to the HID ballast
housing.
Mounting
1. DANGER–Disconnect power to the fi xture and make
sure the circuit breaker is off. The fi xture’s capacitor
may also contain a stored high voltage charge!
Carefully open the ballast housing so that the ballast
and capacitor are easily accessible. Follow proper safety procedures to discharge the installed
capacitor inside the ballast housing.
2. Open a 1/2” knockout hole in the ballast housing where the DM-115-WP will attach.
3. Unscrew the metal conduit lock ring from the DM-115-WP box. The rubber washer might be
removed along with the lock ring; if so, replace the washer around the wires coming out of the
DM-115-WP.
4. Pull the wires into the ballast
fi xture.
5. Pull the wires through the metal
conduit lock ring. Push the
threaded end of the lock ring
through the knockout in the
ballast housing. Attach the lock
ring to the DM-115-WP through
the rubber washer.
6. Tighten the lock ring inside
the ballast housing so that a
watertight seal is achieved using the rubber washer between the DM-115-WP and the ballast
housing.
DANGERHIGH VOLTAGE
EQUIPMENT DAMAGE, PERSONAL INJURY AND DEATH CAN RESULT
FROM IMPROPER PROCEDURES AND INSTALLATION.
HIGH VOLTAGE FROM ORIGINAL CAPACITOR MUST BE SAFELY DISCHARGED.
Ballast Wiring
1. Refer to the wiring diagrams on the following page.
Connect WHITE/BLUE wire from the DM-115-WP to the B terminal on the bi-level capacitor.
Connect WHITE wire from the DM-115-WP to the C terminal on the bi-level capacitor;
from the same terminal complete the connection to the ballast with the WHITE wire.
Connect WHITE/ORANGE wire from the DM-115-WP to the A terminal on the bi-level capacitor.
Connect GREEN wire from the DM-115-WP to the fi xture ground.
Connect BLACK wire to:
lamp for 175 to 1000 Watt Metal Halide Systems.
ballast coil for High Pressure Sodium and Metal Halide Pulse Start Systems.
2. Reassemble the ballast housing, being careful not to pinch wires.
3. Motion sensor(s) can be attached to the pole at this time or after the fi xture is installed.
4. Mount the fi xture with the installed DM-115-WP and motion sensor. Balance the fi xture if
needed.
5. Reconnect the power cord to the fi xture (power should be off at the circuit breaker).
WARNING!
This diagram is for
illustration only.
Read all
instructions
before installing.
Ballast
Housing
Bi-Level
Capacitor
Metal conduit
lock ring
BALLAST
DM-115-WP
Rubber
Washer
Low voltage
3-wire cable
High voltage wires
Call 800.879.8585 for Technical Support
DM-115-WP
Waterproof
termination J-box
HID ballast
housing
Motion Sensor
10'-15' mounting height
Liquid-tight cord
grip ttings (x4)
WHITE/BLUE
WHITE
WHITE/ORANGE
BAC
BLACK
WHITE
LAMP
COMMON COMMON
277 VAC
208 VAC
120 VAC
240 VAC
DM-115-WP
175 to 1000 Watt
Metal Halide Systems Only
Visit our website for FAQs: www.wattstopper.com
WHITE/BLUE
WHITE
BLACK
WHITE/ORANGE
BAC
BLACK
WHITE
TAP
LAMP
CRIMP
CRIMP
CRIMP
COMMON
COMMON COMMON
277 VAC
208 VAC
120 VAC
240 VAC
CAP
CAP
IGNITER
DM-115
High Pressure Sodium
and Metal Halide Pulse
Start Systems
CONTROL WIRING
After the DM-115-WP is installed and the fi xture is mounted, low voltage control wire
connections can be made to the DM-115-WP. All low voltage control wires are in the 10’ black
cable connected to the DM-115-WP.
Make connections before the fi xture’s power is restored. When all connections are made,
continue to Testing.
NOTE: If you are not installing the motion
sensor at this time and you want the lights
to operate at full output (high), connect the
DM-115-WP’s low voltage Red and Blue
wires to each other.
Motion sensors: (typical connections)
1. Connect the sensor’s +24VDC Input to the
Red wire from the DM-115-WP cable.
2. Connect the Common from the sensor to
the Black wire from the DM-115-WP cable.
3. Connect the Control Output from the sensor
to the Blue wire from the DM-115-WP cable.
Control Configurations
One DM-115-WP is required for each ballast.
One sensor can control two DM-115-WPs.
The illustrations on this page show typical
confi gurations for DM-115-WP modules and
their associated lighting fi xtures and sensors.
24VDC Control Output from Sensor
Common (Return) from Sensor
+24 VDC to Sensor
DM-115-WP
Low Voltage
Outdoor Motion Sensor
Ballast
Red
Black
Blue
DM-115-WP
Waterproof
termination
j-box
HID ballast
housing
Motion Sensor
One ballast controlled by
one motion sensor
Two ballasts controlled by
one motion sensor
Four ballasts controlled by
two motion sensors
Call 800.879.8585 for Technical Support
DM-115-WP
HID ballast
housing
Motion Sensor
Control group 1:
2 ballasts
2 DM115-WPs
1 motion sensor
Control group 2
2 ballasts
2 DM115-WPs
1 motion sensor
TESTING
1. After the installation is complete and checked, turn on the main power to the fi xture circuits
and turn on any controlling switches.
• The DM-115-WPs will supply full power to the HID lamps for 15 minutes for the lamp warm
up. After the warm up time has elapsed, the lamps can go to low.
2. To test motion sensor control: Lamps that are controlled by a motion sensor will go to low
if no motion has been detected and the sensor’s time delay has elapsed. Turn off all other
controlling devices to the sensor controlled lamps. Set the time delay on the sensor to
minimum, then move into the coverage area for the sensor. Remain still until the time delay
elapses. The lights should go to low.
3. Verify that other conntrolling devices turn the lamps to low as desired.
TROUBLESHOOTING
General checks:
• Wires make proper contact.
• Wires are connected to correct terminals or connector leads.
• High voltage DM-115-WP wires are securely connected.
• Wiring of switch, motion sensor or other control devices to DM-115-WP is correct.
• Motion sensor adjustments: sensitivity and light level (if applicable), sensor alignment.
Lights do not turn on
• Check breakers, fuses.
• Check light level setting on motion sensor for proper adjustment.
• Check motion sensor detection.
• Check that HID fi xtures are plugged in.
• Follow proper high voltage safety procedures and check wiring and connections in the ballast
housings.
Some lights in a DM-115-WP group turn on but others do not
• Check the DM-115-WP connections to a fi xture that does not turn on in a connected group.
- Verify that proper wire contact is being made in the terminal block.
- Verify that connections are correct.
• Verify that the bulb has not burned out.
• Make sure you follow the recommendations found in the control wiring section.
All lights in a DM-115-WP group remain on high
• Check to see if something is giving an “on” input to the DM-115-WPs.
• Check controlling devices and connections to the DM-115-WPs.
• Check light level setting on motion sensor for proper adjustment.
• Check motion sensor detection.
Lights remain on low
• The “on” input from the controlling device is not reaching the DM-115-WP group.
• Check controlling devices and connections to the DM-115-WPs.
• Check light level setting on motion sensor for proper adjustment.
• Check motion sensor detection.
Visit our website for FAQs: www.wattstopper.com
ORDERING INFORMATION
If you would like assistance with capacitor selection call 1-800-879-8585.
Model Description
DM-115-WP Outdoor Bi-Level Control Module
EW-105-24 Outdoor PIR Motion Sensor, 24VDC, 180° coverage
EW-205-24 Outdoor PIR Motion Sensor, 24VDC, 270° coverage
WARNING
THE CAPACITOR IS THE MOST IMPORTANT COMPONENT IN ANY HID BILEVEL SYSTEM.
SPECIAL CONSIDERATION SHOULD BE GIVEN WHEN SELECTING THE CAPACITOR VALUES
AND VOLTAGE. INCORRECT CAPACITOR VALUES AND VOLTAGE WILL CAUSE THE FIXTURE TO
OPERATE IMPROPERLY OR CAUSE DAMAGE TO THE LAMP AND BALLAST. CHECK WITH THE
BALLAST MANUFACTURER FOR PROPER VOLTAGE AND CAPACITOR VALUES APPROPRIATE
FOR YOUR BALLAST/FIXTURE.
WARRANTY INFORMATION
Watt Stopper/Legrand warranties its products to be free of defects in materials and workmanship
for a period of fi ve (5) years. There are no obligations or liabilities on the part of Watt Stopper/
Legrand for consequential damages arising out of, or in connection with, the use or performance
of this product or other indirect damages with respect to loss of property, revenue or profi t, or
cost of removal, installation or reinstallation.
All lights turn off
The main power is being turned off to the lights. The main power should be turned off only when
intending to completely turn off the lights. Remember, there is a restrike/warm up period before
the lights will return to full brightness.
• Check main power supply.
• Check breakers, fuses and that HID fi xtures are plugged in.
• Check for energy management systems or building controls that affect power to the lights.
Motion sensor not detecting
• Refer to sensor’s installation instructions for proper adjustment and troubleshooting.
Call 800.879.8585 for Technical Support
2800 De La Cruz Boulevard, Santa Clara, CA 95050
Technical Support: 800.879.8585 • 972.578.1699
www.wattstopper.com
10091r2 10/2008
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Installation Tech Notice
Custom Capacitor Wiring
for DM-115-WP & DM-105
HID Bi-Level Control Modules
For product description, operation, installation,
mounting and low-voltage wiring, see the
Installation Instructions provided with
the HID Bi-Level Control Module.
Ballast Wiring
For wiring to standard capacitors ordered from WattStopper, refer
to the wiring diagrams in the installation instruction manual for
the HID Bi-Level Control Module.
For CUSTOM CAPACITOR wiring, note the terminal designations
on your capacitor then follow the instructions below.
Low Value
Common
High Value
CUSTOM
Capacitor
DM-1xx
HID Control
White/Blue
White
White/Orange
1. Connect WHITE/BLUE wire from the DM-1xx control module to
the Low Value terminal on the bi-level capacitor.
2. Connect WHITE wire from the DM-1xx control module to the
Common terminal on the bi-level capacitor;
• From the same terminal complete the connection to the
ballast with the WHITE wire.
3. Connect WHITE/ORANGE wire from the DM-1xx control module
to the High Value terminal on the bi-level capacitor.
DANGER—HIGH VOLTAGE
EQUIPMENT DAMAGE, PERSONAL INJURY AND DEATH CAN
RESULT FROM IMPROPER PROCEDURES AND INSTALLATION.
HIGH VOLTAGE FROM ORIGINAL CAPACITOR MUST BE SAFELY DISCHARGED.
2800 De La Cruz Boulevard, Santa Clara, CA 95050
Technical Support: 800.879.8585 • www.wattstopper.com
128561 10/2009
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