Orion Energy Systems WTRA4CTX Radio Frequency (RF) Transmitter User Manual Installation and Operation Instruction

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Document ID	750674
Application ID	MqvkDGIGZiykQWbyMoULzQ==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	7.99kB (99857 bits)
Date Submitted	2007-01-25 00:00:00
Date Available	2007-01-25 00:00:00
Creation Date	2007-01-23 11:43:39
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2007-01-23 11:44:17
Document Title	Installation and Operation Instruction
Document Creator	Acrobat PDFMaker 7.0 for Word
Document Author:	orion

INSTALLATION AND OPERATION INSTRUCTION
WTRA-4C RADIO FREQUENCY (RF) TRANSMITTER
Orion Energy Systems
WARNING
Read this manual completely before the wiring, installation and operation of this
device.
This device is for in-door use only.
Danger with high voltage 120 VAC or 208 to 277 VAC.
There are risks of electrical shock if this device is not wired or installed properly.
This device must be installed by a qualified personnel.
DESCRIPTION
WTRA-4C is a radio frequency transmitter which transmits radio frequency signals to
Orion Energy Systems WREC-2R receivers to remotely turn lights or other devices on
and off or to Orion Energy Systems WREP-4C repeaters so that the repeater will relay
the signals either to a WREC-2C receiver or another WREP-4C repeater. It can transmit
four (4) “off” signals; individually or its combination at one time; or four (4) “on” signals;
individually or its combination at one time, but not “on” and “off” signals combination.
The duration for each transmission is one second.
INSTALLATION
AC power supply connection:
Warning: Turn power off before you connect this device to your power supply.
Make sure your power supply voltage matches the transmitter power supply
requirements: 120 VAC or 208 to 277 VAC.
For power supply 120 VAC, connect the white wire to neutral and the black wire to the
line, leave the red wire alone and cover its end with wire nut. Failure to terminate the
unused wire presents a shock hazard.
For 208 to 277, connect the white wire to either the neutral or line and connect the red
wire to the other line, leave the black wire alone and cover its end with wire nut. Failure
to terminate the unused wire presents a shock hazard.
Control Wire Connection:
There are nine (9) control wire terminals on the printed circuit board (PCB): GND, K1 to
K8. Those are dry contacts. See FIGURE 1 WTRA-4C RF TRANSMITTER PCB
BOARD LAYOUT for location. Use 24 AWG or larger wires rate 24V or greater to
connect the terminals to external relays or control devices. The connection of GND with
K1 to K4 forms four (4) “off” signals and GND with K5 to K8 forms four (4) “on”
signals. GND, K1 and GND, K5 forms a pair of “off” and “on” signal. So does GND, K2
and GND, K6; GND, K3 and GND, K7; GND, K4 and GND, K8. You can use from one
to four pairs according to your needs.
Coding:
There is a J1 jumper socket on the transmitter printed circuit board as shown in FIGURE
1 WTRA-4C RF TRANSMITTER PCB BOARD LAYOUT. This is the transmitter
address.
FIGURE 1 WTRA-4C RF TRANSMITTER PCB BOARD LAYOUT
You use one jumper to jump the pins high (H) and its central pin, or another jumper to
jump the pins Low (L) and its central pin. Any jumper configuration forms address
including no jumpers installed on the jumper socket and different jumper configuration
forms different address. For example if you jump 4H and its central pin 4, 1L and its
central pin 1, it forms address. In order for the transmitter to communicate with WREC2R receiver, you need to code the receiver address exactly the same. Otherwise the
receiver can not receive the control signal. For details on how to code the receiver
address, please refer to
Installation and Operation Instruction
WREC-2R Radio Frequency (RF) Receiver
Orion Energy Systems
In order for the transmitter to communicate with WREP-4C repeater, the receiving
jumper socket J1 (receiving address) on the repeater PCB board needs to be coded
exactly the same. For details on how to code the repeater, please refer to
Installation and Operation Instruction
WREP-4C Radio Frequency (RF) Repeater
Orion Energy Systems
OPERATION
Warning: Make sure your power supply voltage matches the transmitter power
supply requirements: 120 VAC or 208 to 277 VAC. Otherwise there is electrical
shock hazard.
After the transmitter’s power supply is properly wired and its voltage matches the line
power voltage, the control wires are connected with external relays or control devices and
the transmitter, receiver or repeater addresses are properly coded, turn the transmitter’s
power on. When GND and K1 are connected through an external relay or control device,
the transmitter transmits the “off” signal to the receivers or repeaters which have the
same receiving code. The same for any other off or on signals. Remember no “off” and
“on” signal combination can be transmitted. Transmitter transmits the signal one (1)
second only no matter how long the external relay or device connects the terminals. It can
transmit the signal again only after the external relay or control devices disconnect the
terminals.
TROUBLESHOOTING
The receivers or repeater can not receive the signal:
• Check if there is power to the transmitter.
• Check if the light LED 2 light is on. If it is not, it means no power to the
transmitter.
• Check if the transmission light LED 1 is flashing while the signal is transmitted.
If not, the transmitter does not work.
• Check if the transmitter address matches the receiver addres or the repeater
receiving address.
• Check if the jumpers are installed properly.
• Check if the receiver or the repeater is too far away from the transmitter. See
TCHNICAL DATA for details.
• Check if there are big obstacles between the transmitter and receiver or the
repeaters. If there are, either re-locate the transmitter or install more repeaters to
get the signal around the obstacles.
TECHNICAL DATA
Power Supply: 120 VAC or 208 to 277 VAC.
Antenna: Enclosed.
Frequency: 315 MHz
Transmission Power: 6 mV/m at 3 meter
Transmission range: 300 meter at free field
Modulation: ASK
Number of Codes Transmitted: four (4) pair (4 off signals and 4 on signals)
Operation Temperature: -20 oC to 60 oC (-4 oF to 140 oF)
Certification: FCC compliance
This device complies with Part 15 of the FCC Rules. If this device is operated in
compliance with the following requirements, it can be operated without notification and
free of charge in the area of the United States of America.
Warning: Changes or modifications made to this device not expressly approved by Orion
Energy Systems may void the FCC authorization to operate this device.

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