Door Monitor Alarm (DMA)
rev. 09/02/21
47290_ins_BAPI_DMA
Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI 54631 USA
Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:[email protected] • Web:www.bapihvac.com
Installation & Operations
3 of 4
Termination
Operation
All terminal blocks are removable and
pluggable connectors.
16 to 22 AWG wire is required for all
connections.
POWER:
24 VAC or 24 VDC
(UL Listed Class 2 Power Source only)
DOOR SWITCH:
Connect the switch’s wires. No
polarity.
AUXILIARY RELAYS:
Can be connected as either Normally
Open (NO) or Normally Closed (NC).
AUDIBLE ANNUNCIATOR:
Remove the cover sticker prior to use.
Fig. 3:
DMA Circuit Board
When the door opens, the Door Switch creates a closed circuit. The Door Status LEDs on the
face of the unit change color, both Auxiliary Relays energize (providing dry contact outputs),
and both Auxiliary Relay LEDs illuminate. If the door stays open longer than the Door Timer
Interval setting, the audible annunciator sounds (See Chart below).
Closing the door de-energizes both of the Auxiliary Relays, silences the audible annunciator
if it is on, and changes the color of the Door Status LEDs. The Auxiliary Relays are energized
whenever the door is open and de-energized whenever it is closed.
Door Status
Additional Condition
User Action
Green
Solid
Closed
N/A
None.
Amber Flashing
Open
Door timer interval has not been exceeded.
Close the door when completed with your work.
Amber
Solid
Closed
5 minute Audible Annunciator Reset Interval has
not expired.
Avoid opening the door until the LEDs turn green.
Red
Flashing
Open
Door timer interval exceeded.
Close the door as soon as possible.
Color
Door Status LEDs
(located on the face of the unit)
Door Timer Interval Switch:
The user can select how long the door can be continuously open before the audible
annunciator sounds and the status LEDs turn red. Figure 4 shows the allowable settings.
If the switch is in one of the blank positions, it uses 1 min.
Fig. 4:
Door Timer Interval
Rotary Switch (S1)
Auxiliary Relay
Connections
Power
Connection
Power
On LED
(green)
Relay LEDs
(red)
Door Switch Connection
Remove Sticker
Prior to Use!
BAPI recommends using twisted pair of at least 22AWG for all wire connections. Larger gauge wire may be required for
long runs. All wiring must comply with the National Electric Code (NEC) and local codes.
Do NOT run this device’s wiring in the same conduit as AC power wiring of NEC class 1, NEC class 2, NEC class 3 or with
wiring used to supply highly inductive loads such as motors, contactors and relays. BAPI’s tests show that fluctuating and
inaccurate signal levels are possible when AC power wiring is present in the same conduit as the signal lines. If you are
experiencing any of these difficulties, please contact your BAPI representative.
BAPI recommends wiring the product with power disconnected. Proper supply voltage, polarity and wiring
connections are important to a successful installation. Not observing these recommendations may damage the
product and void the warranty.
