DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Section 3
NOTE: Set up for this sensor should be
performed by an AAADM-certified installer.
Section 1
General Description
The DHR3 is a combination microwave/infrared sensor
providing both motion detection and presence detection
in one microprocessor controlled sensor for all types of
automatic doors.
• Wide and narrow pattern width of the sensor
is adjustable.
• Pattern depth and width are adjustable using mounting
height, dip switches, pattern width and pattern angle
adjustments.
• Frequency is selectable in four channels
• Self-Diagnostic means the sensor continuously
monitors itself.
• Snow Mode Switch ensures against false operation
caused by snow, insects, etc.
• Microprocessor provides programmable Presence
Timer (2 sec., 30 sec., 60 sec., or infinity).
Mounting Information
1. Do not mount higher than 10.5 ft. (3.2m).
2. Mount within 1.97” (50mm) from the bottom of the
door engine cover.
3. Do not leave any objects which may move in the
detection pattern.
4. Do not mount in a humid or steamy environment.
5. Do not mount where rain or snow will fall directly on
unit.
6. Do not mount where snow or water will accumulate
on floor if possible.
7. Do not mount in a place where reflection of sunlight
will shine on unit.
8. Use different frequency settings for sensor in close
proximity.
9. The radar part of the DHR3 sensor may be
negatively influenced by metal close to or in the
detection field.
1
10.5Ft.
2 3
Section 2
Parts Identification
Accessories
Mounting
Te mplate
Mounting
Screws
Installation
Instructions
Area
Mask
4 5 6
7 8 9
Use Alternate Frequency.
A B
To maximize the effectiveness of doorway detection,
install the DHR3 outside and inside as shown below.
Side View
A B
Plan View
Moving Door Leaf Moving Door Leaf
A
B
Connection
Cable
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
8701 Castle Park Drive Indianapolis, Indiana 46256
Page 1
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Section 4
Mounting and Wiring
1. Using the mounting template provided, drill mounting
and wire holes.
2. Remove cover of unit.
3. Fasten unit with mounting screws provided.
4a. Wiring to a door controller that can test the sensor.
NOTE: “Test Input” dip switch setting Y 6 to “ON”.
Refer to Section 5: Dip Switch Settings.
Removing cover after installation:
Section 5
Dip Switch Settings
Dip Switch X
Dip Switches are
depicted in the
Default position.
* = Default
IR Presence
Timer
2 Sec
*30 Sec
60 Sec
∞ Sec
1234567
ON
IR
Frequency
*A
B
C
D
Monitor
Mode
*Normal *N.O.
Snow
Safety Relay
Output
*N.C.
Reflection
Diagnostics
*Normal
Low Ref.
4b. Wiring to a door controller that cannot test the
sensor.
NOTE: “Test Input” dip switch setting Y 6 to “OFF”.
Refer to Section 5: Dip Switch Settings.
5. House connectors
in the space provided.
6. Replace cover.
& IR Presence Timer: The sensor will detect a
stationary object for the time period set by the
Presence Timer for the inner 3 rows. The timer will
reset and begin if any movement is detected.
& Frequency: When more than two sensors are
used in close proximity to each other, to prevent
interference use alternate frequency settings.
Monitor Mode: A Snow Mode is available. Snow
Mode should only be used in environments with
heavy snowfall or other extreme conditions.
Safety Relay Output: Refer to Section 9: Timing
Chart of Events for full details on Safety Output.
Reflection Diagnostics: A low reflected infrared
signal is indicated by a slow flashing Red/Green
LED. To ignore this low reflection error state, set
this dip switch to “Low Reflection” (ON).
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 2
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Dip Switch Y
Dip Switches are
depicted in the
Default position.
* = Default
Direction
Detection
Radar
*OFF
ON
Activation
Relay
Output
*N.O.
N.C.
or
123456
ON
Activation
Relay
Output Config.
*OFF
ON
*Auto
Open
Door
Hold
Doorway
Learn
*OFF
ON
Test Input
Setting
from Door
Controller
*OFF
ON
Direction Detection Radar: When set to ON,
pedestrians moving away from the sensor will not
be detected.
Activation Relay Output: Refer to Section 9:
Timing Chart of Events for full details on Activation
Output.
Activation Relay Output Configuration: Choose
how relay output is configured.
Door Hold: Switch to OPEN to hold the door in the
open position.
Doorway Learn: Allows the 1st row of detection to
be focused inside the door close area without
detecting the door movement.
NOTE: When “Doorway Learn” is turned ON, the
sensitivity level of the 1st row of detection is at
maximum only when the outer rows of detection
are activated.
Test Input Setting from Door Controller: When
connected to a door controller without a TEST
input, set to “OFF”. When connected to a door
controller with a TEST input, set to “ON”. Refer to
Section 9: Timing Chart of Events for details.
Section 6
Detection Area
Detection Area Depth Adjustment: IR (Inner 3 Rows)
Detection Area Width Adjustment: IR (Inner 3 Rows).
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 3
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Detection Area Depth Adjustment: Radar (Outer).
•Detection area varies depending on walking speed.
•Adjustment possible in 3° steps as illustrated.
Installation height 7.2’ (2.2m) & Sensitivity set to “High”.
Installation height 7.2’ (2.2m) & Sensitivity set to “Low”.
3. Vacate the Detection Pattern immediately. While the
sensor sees ANY moving objects in its DETECTION
PATTERN, it will not proceed to the following step.
4. DO NOT enter DETECTION PATTERN for 10 seconds
(Presence Detection Setting).
5. TEST the presence feature, especially near the door.
When carrying out the following work, TURN OFF THE
POWER:
1. When the floor conditions change.
2. Adjusting pattern or sensitivity.
“DOORWAY LEARN” is OFF
(Ref. Sec. 5-Dip Switch Settings)
• Upon power ON, the solid Green LED turns on
indicating that the sensor is in standby mode and
ready to detect.
Green solid LED
CAUTION: The detection areas shown above
represent the actual position of the infrared and
!
radar patterns. The actual detection area will
vary depending upon the individual sensor
installation, sensor settings and objects being
detected.
Section 7
Power & “Doorway Learn” Setting
BEFORE APPLYING POWER, READ AND FOLLOW THESE
INSTRUCTIONS:
When power is applied, the sensor will read and store the
environmental optical parameters. This is necessary for
Presence Detection to work properly.
1. CLEAR THE AREA OF ANY UNNECESSARY OBJECTS.
2. Apply POWER.
Presence Detection: It takes 10 seconds after the sensor
powers up for presence detection to be initiated on all
rows of detection. If someone enters the detection area
before 10 seconds has elapsed, the sensor will continue
to initialize until after 5 seconds with no motion being
detected.
“DOORWAY LEARN” is ON
(Ref. Sec. 5-Dip Switch Settings)
• Upon power ON, the Red LED indicates a door open
relay output to begin the “Doorway Learn” process.
Red solid LED
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 4
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
• Green LED blinks for 37 seconds while the “Doorway
Learn” process is carried out. Door opens/closes.
Green blinking LED
Green blinking LED
• After the “Doorway Learn” process is completed,
sensor is in standby mode.
Green solid LED
door activation caused by a person in order to build an
accurate image of the door open and door close position.
NOTE: When “Doorway Learn” is turned ON, the
sensitivity level of the inner row of detection is at
maximum ONLY when the outer rows of detection are
activated.
CAUTION: If you change dip switch setting or
sensitivity volume, the sensor will be reset.
!
During resetting, indicator LED is blinking with
orange color. Keep away from detection area.
After resetting, the sensor becomes the same
state as it is turned Power-on.
In case the product is used as a supplementary
sensor: Set the detection area of the 1st row
away from the door.
Section 8
Verification of Operation
After installation is complete, walk test the detection
zone. If the detection zone is not as expected, adjust the
detection area as referred to in Section 6.
If the detection area is still not as expected then the
sensor sensitivity can be increased by turning the
potentiometer clockwise. When the sensor detects even
though there is nothing in the detection zone, the unit’s
sensitivity can be decreased by turning the potentiometer
counter-clockwise.
Presence Detection: During the “Doorway Learn”
process, the outer 3 rows of detection on the DHR3
sensor switch from motion detection to presence
detection 10 seconds after power ON. The inner
“Doorway Learn” row of detection will switch from motion
to presence detection after the “Doorway Learn” process
is complete.
“Doorway Learn” Failure & Recovery: If a person enters
the detection area during the “Doorway Learn” process, it
may not be successfully completed. In this case, the
sensor will carry out the “Doorway Learn” process on
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 5
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Section 9
Timing Chart of Events
After installation is complete, walk test the detection
zone. If the detection zone is not as expected, adjust the
detection area as referred to in Section 6.
Safety Output/Test Input
Activation Output
Section 10
Door Maintenance Work
When carrying out door maintenance work with power
applied to the sensor, on door controllers that are wired
to “TEST” the sensor, ensure to set the dip switches as
shown here:
NOTE: Return dip switch settings to original state when
maintenance work is complete.
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 6
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Section 11
Self Monitoring
When the sensor has an internal sensor error, the door
will remain open and the Green/Red LED blinks
alternately. The frequency of flashing indicates the type
of problem as explained below:
Flash LED CAUSE
Frequency
Fast Please replace sensor.
Slow Confirm sensitivity
potentiometer is set to
maximum and repower
the sensor. If the error
persists, set Dip Switch
X 7 to “Low Reflection”.
*****EXTREMELY IMPORTANT*****
After final set-up, test unit(s) completely to ensure that
proper coverage has been achieved (width, depth and
location of the pattern must be tested).
CAUSE 3: Sensor Wiring
SOLUTION 3: Double check sensor wiring.
PROBLEM 2: Door operates by itself (ghosting)
LED STATUS: Door Opens=RED or BLUE, Door
Closes=Green
CAUSE 1: There is an object moving in the
detection area
SOLUTION 1: Remove the moving object from
detection area
CAUSE 2: Sensitivity too high
SOLUTION 2: Turn down sensitivity
CAUSE 3: Dust, frost or water droplet on the
sensor lens
SOLUTION 3: Wipe sensor lens with clean cloth and
install a weather cover if necessary
CAUSE 4: Detection area overlaps with that of
another sensor
SOLUTION 4: Ensure different frequency setting for
each sensor
CAUSE 5: Detection of falling snow, insects,
leaves, etc.
SOLUTION 5 Adjust the Monitor Mode
After the installation and operational check of the
system:
1. Place the proper labels on the door per ANSI/BHMA
A156.10.
2. Instruct the owner of the door system operation and
how to test it. This should be checked on a daily
basis.
3. Instruct the owner on what to do if the door or any of
its components become damaged.
4. Strongly recommend to the owner that the complete
entry be inspected twice a year as part of the service
agreement.
Section 12
Troubleshooting
PROBLEM 1: Door does not open
LED STATUS: Off
CAUSE 1: Sensor Connector
SOLUTION 1: Tighten connector or reconnect
CAUSE 2: Power Supply
SOLUTION 2: Check that the power supply is properly
connected and 12V to 24V AC or DC
PROBLEM 3: When door opens or closes, LED ORANGE
LED STATUS: ORANGE
CAUSE 1: Detection row “ROW 1” (”ROW 2” when
“Doorway Learn” is turned ON) is
focused too close to the door
SOLUTION 1: Adjust detection depth of rows away
from the door
PROBLEM 4: Door opens and remains in the open
position
LED STATUS: RED
CAUSE 1: Detection area changed, while infinity
presence timer setting is in use
SOLUTION 1: Repower the sensor or change the
presence timer settings to 30 or 60
seconds
CAUSE 2: Incorrect Sensor Wiring
SOLUTION 2: Double check sensor wiring
CAUSE 3: Reflected Signal Saturation
SOLUTION 3: Remove highly reflective objects
from the detection area, or lower the
sensor sensitivity
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 7
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
LED STATUS: BLUE
CAUSE 1: Moving objects in radar area
SOLUTION 1: Remove moving objects from detection
area
LED STATUS: GREEN/RED FAST FLASH
CAUSE 1: Internal Sensor Error
SOLUTION 1: Replace the sensor
LED STATUS: GREEN/RED SLOW FLASH
CAUSE 1: Reflection of the transmitted infrared
signal from the floor is too low
SOLUTION 1: Increase sensor sensitivity or change
the “Reflection Diagnostics” Dip Switch
X 7 from “Normal” to “Low Ref”
LED STATUS: ORANGE BLINKING (Slow)
CAUSE 1: Door Hold (Dip switch Y 4 set to Open)
SOLUTION 1: Turn “Door Hold” Dip Switch Y 4 to Auto
Section 13
Technical Data
Model................................ DHR3
Detection Method............. Doppler Shift Radar &
Active Infrared Reflection
Max. Installed Height....... 10.5 ft. (3.2m)
BLUE = Radar Detecting
RED = IR Detecting /
Radar and IR Detecting
ORANGE = Detection row “ROW
1 (”ROW 2” when “Doorway
Learn” is turned ON) is
detecting door movement
ORANGE BLINKING (Fast) =
Indicates a change of dip switch
settings
ORANGE BLINKING (Slow) =
Door Hold is turned ON (When
dip switch Y 4 is ON)
GREEN/RED BLINKING (Fast) =
Internal Sensor Error
GREEN/RED BLINKING (Slow) =
Reflected infrared signal from
the floor is very low
Test Input.......................... 6mA @ 24V DC
IP Rating............................ IP54
Temperature Range......... -4°F to 140°F
(-20°C to 60°C)
Operating Humidity........... Below 80%
Weight............................... 0.56 lbs. (0.26kg)
Color.................................. Black, Silver
Accessories....................... Cable
Mounting Screws (2 pcs.)
Mounting Template
Installation Instructions
Power Supply.................... 12 to 24 V AC or DC ± 10%
Power Consumption......... AC24V-2.5VA, AC12V-2.5VA
DC24V-80mA, DC12V-150mA
INFRARED SENSOR
Detection Method........... Active Infrared Reflection
Output Holding Time...... 0.5 seconds
Response Time............... 0.1 - 0.2 seconds
Presence Timer............... 2 sec., 30 sec., 60 sec., or
infinity (∞)
Output Contact............... 7.5mA Max (Resistor Load)
55V DC Max Voltage
50mA Max. Current
MICROWAVE SENSOR
Detection Method........... Doppler Shift Radar
Operating Frequency...... 24.15 GHz
Output Holding Time...... 1.5 seconds
Response Time............... 0.1 - 0.2 seconds
LED Indication.................. GREEN = Standby
GREEN BLINKING - Doorway
Learning (when dip switch
Y 5 is ON)
7898 Zionsville Road Indianapolis, Indiana 46268
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
Section 14
External Dimensions
Page 8
DHR3v1017
DHR3
Microwave/Infrared Motion & Presence Detector for Automatic Doors INSTALLATION INSTRUCTIONS
Section 15
Warranty
MS SEDCO guarantees this product to be free from manufacturing
defects for 3 years from date of installation. Unless MS SEDCO is
notified of the date of installation, the warranty will be in effect for
3 years from the date of shipment from our factory. If, during the
first 3 years, our motion detector or support device fails to operate
and has not been tampered with our abused, the unit can be
returned prepaid to factory and it will be repaired free of charge.
After 3 years, the unit will be repaired for a nominal service
charge. This limited warranty is in lieu of all other warranties
expressed or implied, including any implied warranty of
merchantability, and no representative or person is authorized
to assume for MS SEDCO any other liability in connection with
the sale of our products. All warranties are limited to the
duration of this written warranty. In no event shall MS SEDCO
be liable for any special, incidental, consequential or other
damages arising from any claimed breach of warranty as to its
products or services.
Telephone: (317) 842-2545 www.mssedco.com custsvc@mssedco.com
7898 Zionsville Road Indianapolis, Indiana 46268
Page 9
DHR3v1017
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