LAARS Gateway LER - Manual User Manual
Page 12
LAARS Heating Systems
Page 12
LAARS Gateway Startup Guide
Page 12 of 32
LAARS Heating Systems Company, 20 Industrial Way, Rochester, NH 03867 USA
Web:
www.laars.com
Toll Free: (800) 900-9276
3.4
Wiring the Gateway LER Field Port to a LonWorks network
Connect the Gateway to the field network with the LonWorks terminal using a twisted pair non-shielded
cable. LonWorks has no polarity.
3.5
Power-Up the Gateway RER or LER
Apply power to the device. Ensure that the power supply used complies with the specifications provided in
Appendix C.1. Ensure that the cable is grounded using the “Frame-GND” terminal. The Gateway is factory set for
9-30VDC or 12-24 VAC. Voltage Pinouts
3.6
Commissioning the Gateway-LER on a LonWorks network
Commissioning may only be performed by the LonWorks administrator.
To commission the Gateway LER LonWorks port, insert a small screwdriver in the commissioning hole on the face
of the LER’s enclosure to access the Service Pin. See the illustration on the Gateway LER as to which way to toggle
the screw driver during commissioning.