DH400
High Mount Active Infrared Presence Detector for Automatic Door Control
INSTALLATION INSTRUCTIONS
Page 1
DH400v1214
Section 1
General Description
The DH400 is a high mount microprocessor controlled
active infrared presence detector 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).
Section 2
Parts Identification
Section 3
Mounting Information
1. Do not mount higher than 13.1 ft. (4m).
2. Mount within 1.97” 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.
To maximize the effectiveness of doorway detection,
install the DH400 outside and inside as shown below.
Mounting
Template
Mounting
Screws
Connection Cable
8.2 ft. (2.5m)
Instructions
Installation
Accessories
Use Alternate Frequency.
1
2
3
4
5
6
7
8
A B
Dip Switch
Cover
13.1Ft.
NOTE:
Set up for this sensor should be
performed by an AAADM-certified installer.
8701 Castle Park Drive
Indianapolis, Indiana 46256
Telephone: (317) 842-2545
www.mssedco.com
Connector
Potentiometer
(Sensitivity Volume)
Indicator LED
Depth Adjustment Screw
Mounting Screw
(2pcs.)
Detection Window
Width Adjustment Knob
A B
Side View
Plan View
Moving Door Leaf
Moving Door Leaf
A
B
