Nortek Security & Control 2GIG-DW20R-345 Installation Instructions page 2

Recessed Door Contact | Installation Instructions
Inserting and Replacing the Batteries
To insert or replace the batteries:
1 Unwrap the door contact.
Use a small flat‐head screw driver to push the clips on the side
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of the sensor casing in, Then remove the sensor cap.
To reach the battery, you must remove the circuit board from
the casing. Before removing the board, it is important to
observe how the board fits into the grooved channel on the
inside of the sensor cap. When replacing the board, ensure the
circuit board fits back into the channel for a proper fit.
Figure 3 Battery Compartment and Polarity
A Battery
B Door/Window Contact Housing
C Battery Case/PCB
D Screw Mount Top
Gently remove the circuit board from the casing. Notice how
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the battery compartment is built into the end of the circuit
board.
4 Remove the battery from the compartment.
Always dispose and/or recycle used batteries in
IMPORTANT:
accordance with the hazardous waste recovery and
recycling regulations for your location. Your city, state, or
country may also require you to comply with additional
handling, recycling, and disposal requirements.
Insert the new or replacement battery into the compartment.
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Always match the plus (+) sign on the battery with the flat side
of the compartment and the minus (‐) sign on the battery with
the spring side.
Reinsert the circuit board to fit snugly inside casing and then
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replace the sensor cap, taking care to ensure the circuit board
fits properly in the cap's grooved channel.
Failure to follow these warnings and instructions
WARNING:
can lead to heat generation, rupture, leakage, explosion,
fire, or other injury, or damage. Do not insert the battery
into the compartment in the wrong direction. Always
replace the battery with the same or equivalent type (see
Specifications). Never recharge or disassemble the battery.
Never place the battery in fire or water. Always keep
batteries away from small children. If batteries are
swallowed, promptly see a doctor.
2 Copyright © 2015 Nortek Security & Control LLC
SPECIFICATIONS
Wireless Signal Range 450 ft (137.2 m), open air, with Wireless
Control Panel
Code Outputs Alarm; Alarm Restore; Supervisory; Low
Battery
Transmitter Frequency 345.00 MHz (crystal controlled)
Unique ID Codes Over one (1) million different code
combinations
Supervisory Interval 70 minutes
Magnet Dimensions (HxD) 0.5 x 0.75 in (1.27 x 1.9 cm) typical
Magnet Type Rare Earth
Sensor Dimensions (HxD) 2.57 x 0.75 in (6.53 x 1.9 cm)
Weight (including battery and 1.25 oz (35.4 g)
magnet)
Housing Material ABS Plastic
Color White or Brown
Operating Temperature Limits 32° to 120° F (0° to 49° C)
Relative Humidity 5‐95% Non‐Condensing
Battery (installed with pull tab) One (1) 3V CR‐2 or equivalent Lithium battery
Certification Anatel, ETL, FCC, IC, and NOM
REGULATORY INFORMATION
FCC Notice
This device complies with Part 15 of the FCC's Rules. Operation is
subject to the following two conditions:
1 This device may not cause harmful interference, and
2 This device must accept any interference received, including
interference that may cause undesired operation.
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. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for
help.
This product complies with FCC radiation exposure limits for an
uncontrolled environment. Avoid operating this product at a
distance less than 20 cm from the user.