User's Manual

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Mini Door Contact (MDC-3) User Manual

The Mini Door Contact monitors the opening/closing of specified devices (e.g. door or window). The Door Contact is fixed to the monitored

device frame with an actuating magnet fixed to the device. When the door or window opens, the magnet moves away from the Door Contact,

activating an internal magnetic switch causing the Door Contact to transmit alarm signal to the Control Panel. The device also has the

capabilities of communicating signal problems along with low battery situations.

The Door Contact design is consisted of a front cover and a back cover. The front cover(back) contains all electronics and the back cover

provides a means for fixing the device. An enclosed PCB tamper switch provides tamper protection against unauthorized device opening.

Identifying the parts

1. Rib Marks

2. Battery Insulator

3. Learn / Test Button

- Press the Test button to transmit a learn code.

- Press the Test button once to enter Test Mode for 3 minutes.

4. Red LED Indicator

5. Tamper Switch

6. Battery

7. Mounting Holes (Knockouts)

8. Tamper Compression Mark

9. Magnet

10. Magnet Spacer

 Accessories Included

a) 1 Magnet

b) 1 double-sided adhesive Magnet Spacer

c) 2 Screws

d) 4 Wall Plugs

e) 1 double-sided adhesive Velcro tape (for Door Contact)

f) 1 double-sided adhesive tape pad (for Magnet)

g) 2 Magnet mounting screws

Features

 LED Indicator

In Normal operation mode, the LED indicator remains off except in the following situations when:

 When Door Contact’s Tamper switch is triggered.

 When the Door Contact is activated with either Tamper or Low battery condition.

 When the Door Contact is activated and transmitting the signal under the Test mode.

If the LED flashes to indicate signal transmission, it will flash twice rapidly upon receiving acknowledgement from the Control Panel.

 Supervision

 The Door Contact will automatically transmit Supervisory signals periodically to the Control Panel at random intervals of 15 to 18

minutes in Normal Operation Mode.

 If the Control Panel has not received the signal from the Door Contact for a preset period time, the Control Panel will indicate

that particular Door Contact is experiencing an out-of-signal problem.

 Tamper Switch

 It is designed to protect against unauthorized, cover opening. When the tamper is triggered, Door Contact will emit a signal to

the Control Panel for reporting, the LED will also light up.

Summary of content (5 pages)

PAGE 1
Mini Door Contact (MDC-3) User Manual The Mini Door Contact monitors the opening/closing of specified devices (e.g. door or window). The Door Contact is fixed to the monitored device frame with an actuating magnet fixed to the device. When the door or window opens, the magnet moves away from the Door Contact, activating an internal magnetic switch causing the Door Contact to transmit alarm signal to the Control Panel.
PAGE 2
 Battery The MDC-3 uses one 3V CR2450 Lithium battery as its power source The Door Contact is also capable of detecting low battery. When the battery is low, a low battery signal will be sent to the Control Panel along with regular transmission. The LED will light up when the Door Contact is activated under low battery status.
PAGE 3
 Mounting Methods    Mount the Door Contact using one of the below mounting methods: Velcro tape Mounting or Screw Mounting. Mount the magnet on the more mobile object (such as door) using either the double-sided adhesive pad or the screws provided. Align the magnet according the rib mark on Door Contact. Where required, use the Magnet Spacer to better align the magnet to the rib marks. < NOTE >  The magnet should be no more than 15mm from the detector when the door is closed.
PAGE 4
Mounting Methods for the Magnet  Screw Mounting The back cover of the magnet has two Mounting Holes for mounting purpose. To mount the Magnet: I. Open the back cover by using a flat-headed screwdriver to fit into the caved in area and push upwards. II. Using the holes as a template, drill both holes. III. Screw the back cover into the door/window using a Philips screwdriver. Where required, use the Magnet Spacer to better align the magnet to the rib marks. IV. Attach the front cover to the back cover.
PAGE 5
Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.