EN1723 Dual Input Temperature Transmitter
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Installation Instructions
1 Overview
The Inovonics EN1723 dual input temperature transmitter provides internal
measurement and external thermistor options in a single device. The onboard sensor is excellent for monitoring ambient indoor temperature, and
the external sensor is user selectable to match your application.
1.1 Inovonics Contact Information
For product and installation videos visit us at
www.inovonics.com/videos or use the QR
code below.
If you have any problems with this procedure, contact Inovonics Wireless
technical services:
• E-mail: support@inovonics.com.
• Phone: (800) 782-2709.
1.2 Dual Input Temperature Transmitter Internal
Components
Figure 1 Dual input temperature transmitter internal components
A Terminal block B External thermistor selection pins
C Reset button D Frequency band selection pins
E Programming header
1.3 What’s In The Carton
The following are included with individual units only; they are not included
in bulk sales.
• Three wall mount screws.
• Three wall mount anchors.
• Two selection jumpers.
• One piece mounting tape.
• One 3.0V lithium battery.
2 Installation and Startup
2.1 Installation Notes
• These products are designed to be installed and maintained by
professional security technicians.
• Products are intended for indoor use.
• Manually test all products weekly.
2.2 Install the Battery
1. Pry the top lip of the mounting bracket up, and lift the bracket off of the
transmitter.
2. Use your thumb to depress the housing release tab on the bottom of the
transmitter; separate the housing.
3. Install the battery.
4. Press the reset button to initialize the transmitter.
2.3 Mount an External Thermistor
The transmitter uses an on-board thermistor. If you are not using an
external thermistor, skip to section 2.4, “Select the Frequency Band”; if you
are using an external thermistor:
1. Wire the external thermistor using 24-gauge wire, no more than 40 feet
long.
2. Route the external thermistor wiring through either the rectangular
cutouts on the back of the housing and bracket, or through the rounded
wiring cutout at the top of the housing.
Note: If you want to use the cutout at the top of the housing, you will need to trim the
bracket.
3. Use a small screwdriver to attach the external thermistor wiring leads to
the terminal block.
4. Place a jumper on the external thermistor selection pins, allowing the
transmitter to use the external thermistor in addition to the on-board
thermistor.
5. Press the reset button to complete configuration.
2.4 Select the Frequency Band
EchoStream products are able to use a range of radio frequencies, and is
shipped from Inovonics set for your geographic area.
• The jumper will be set on on the two pins marked NZ to set the
frequency range to 921-928 MHz for New Zealand.
• The jumper will be set on the two pins marked AU to set the frequency
range to 915-928 MHz for Australia.
• The jumper will be removed to set the frequency band to 902-928
MHz for North America.
1. Ensure the frequency band is set for your geographic are.
2. If the frequency band is not set for your geographic area, place a
selection jumper on the appropriate frequency band selection pins to
select Australia or New Zealand, or remove it for North America.
3. If you have changed the frequency band, press the reset button to
complete configuration.
Caution: When pressing the reset button, make sure you don’t also touch
the frequency band selection pins. Touching the frequency band selection
pins while pressing the reset button can inadvertently set the single input
universal transmitter to the wrong frequency band.
2.5 Program the Transmitter
EN1723 transmitters are programmed at the factory. It is not usually
necessary to reprogram EN1723 transmitters. If you want to reprogram the
transmission interval, temperature measurement interval and/or
temperature units, the parameters can be changed using the programming
header and the ACC17XX programming cable. Contact Inovonics technical
services for details.
11.1.19 357-05366-02 Rev A © Inovonics, 2019 - www.inovonics.com
2.6 Mount the Transmitter
1. Attach the mounting bracket to the wall, using either screws or double-
sided tape.
Note: There are two mounting holes for standard installation. An optional
third mounting hole is located under the battery. Use the third mounting
hole to secure the housing to the bracket.
2. Hook the bottom of the transmitter into the bracket’s bottom catch, and
press the transmitter into the bracket so that the bracket’s top lip snaps
into place.
3 Specifications
Dimensions: 3.5” x 1.7” x 0.9”.
Typical battery life: 8 years at a 5 minute transmission interval.
Battery type: Panasonic CR123A or equivalent.
Operating environment: -4° to 140°F.
Operating humidity: 0 to 90%, non-condensing.
Temperature measurement: Internal measurement transmitted as:
Fahrenheit or Celsius; internal measurement range: -13° to 140°F; typical
accuracy: 0.8°F at room temperature.
External measurement: Transmitted as: temperature or resistance; external
thermistor temperature range: -22° to 212°F; external thermistor resistance
range: 100 to 250,000 ohms; typical external resistance measurement
accuracy: + or - 1% from 100 ohms to 500 ohms, + or - 0.5% 500 ohms to
250K ohms.
Configuration options: Measurement intervals: 0.5, 1, 5, or 30 seconds, 1,
5, or 15 minutes, or only on transmit; transmission intervals of 10 or 30
seconds, 1, 2, 5, 10, 15 or 30 minutes; Delta T value of 0.5, 1, 5, or 10
degrees or % resistance (Delta T can be disabled).
System requirements: Requires use of the EN4000 serial receiver and an
application designed to support advanced functionality.
Operating frequencies: EchoStream: 902 - 928 MHz North America, 915 928 MHz Australia, 922 - 928 MHz New Zealand.
Regulatory compliance: FCC; RoHs compliant; Industry Canada; RCM.
Note: The transmitter output power level is the same for North America,
Australia and New Zealand.
suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur
de l'appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d'en compromettre le fonctionnement.
6 Radiation Exposure Limits
6.1 FCC
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. In order to avoid the possibility of exceeding the
FCC radio frequency exposure limits, human proximity to the antenna shall
not be less than 20 cm during normal operation and must not be co-located
or operating in conjunction with any other antenna or transmitter.
6.2 ISED
This equipment complies with ISED RSS-102 radiation exposure limits set
forth for an uncontrolled environment. This transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must
not be co-located or operating in conjunction with any other antenna or
transmitter.
Cet équipement est conforme avec ISED RSS-102 des limites d'exposition
aux rayonnements définies pour un environnement non contrôlé. Cet
émetteur doit être installé à au moins 20 cm de toute personne et ne doit
pas être colocalisé ou fonctionner en association avec une autre antenne
ou émetteur.
Note: Inovonics supports recycling and reuse whenever possible. Please
recycle these parts using a certified electronics recycler.
Note: Specifications and data are subject to change without notice.
Caution: Changes or modifications not expressly approved by Inovonics
could void your authority to operate the equipment.
4 Television and Radio Interference
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.
5 FCC Part 15 and Innovation, Science and
Economic Development Canada (ISED)
Compliance
This device complies with part 15 of the FCC Rules, and ISED licenseexempt RSS standard(s). Operation is subject to the following two
conditions: (1) this device may not cause interference, and (2) this device
must accept any interference that may cause undesired operation of the
device.
Le présent appareil est conforme aux CNR Innovation, Sciences et
Développement économique Canada applicables aux appareils radio
exempts de licence. L'exploitation est autorisée aux deux conditions
11.1.19 357-05366-02 Rev A © Inovonics, 2019 - www.inovonics.com 2
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