inovonics EN1721 Integrated Temperature/Humidity Transmitter Instruction Manual

**inovonics EN1721 Integrated Temperature/Humidity Transmitter Instruction Manual

**

Overview

The Inovonics EN1721 integrated temperature/humidity transmitter is designed for ambient environments, where condensation, frost,  temperature or humidity fluctuations are not a concern.

Note: The humidity sensor in the EN1721 may need up to 24 hours to stabilize after transitioning from extreme temperature changes. If the sensor is exposed to volatile solvents, it may need several weeks to recover. Reconditioning the sensor can speed recovery to 24 hours. Contact Inovonics technical support for details.

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 technical support:

• E-mail: support@inovonics.com.
• Phone: 800-782-2709.

Integrated Temperature/Humidity Transmitter Internal Components

Figure 1 Integrated temperature/humidity transmitter internal components

1. Sensor protective cover
2. Reset button
3. Frequency band selection pins
4. Programming header

Installation and Startup

Installation Notes

• These products are designed to be installed and maintained by professional technicians.
• Products are intended for indoor use.
• Manually test all products weekly.

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. Use tweezers to remove the orange sensor protective cover.
5. Press the reset button to initialize the transmitter.

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 area.
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.

Program the Transmitter

EN1721 transmitters are programmed at the factory. It is not usually necessary to reprogram EN1721 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.

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.

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.
• Sensor temperature measurement: Units: Fahrenheit or Celsius; range: -4° to 140°F; typical resolution: 0.018°F; typical accuracy: ±0.5°F at 77°F.
• Sensor humidity measurement: Range: 0 to 90%RH; resolution: 0.03%RH;
• typical accuracy: ±2.0%RH from 10% to 90%RH.
• Transmitter configuration options: Measurement intervals of 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 % humidity (Delta T can be disabled).
• System requirements: Requires use of the EN4000 serial receiver and an application designed to support advanced functionality.
• Regulatory compliance: FCC; RoHs compliant; Industry Canada; RCM

Note: The transmitter output power level is the same for North America, Australia and New Zealand.

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.

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.

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.

Radiation Exposure Limits

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.

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.

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