User`s manual

System Applications

Laying out the LumaWatt system is easy following a few simple guidelines.

Start with the Site Plan

Identify luminaire mounting heights to determine desired sensor lens types, narrow or wide. Specify luminaire

catalog numbers with the lens type sufx; DIMRF-LW for wide lenses used below 16' or DIMRF-LN narrow

lenses above 16' to a maximum of 35'.

Identify which luminaires are within 150' of the building as potential rst points of contact for gateway

communication. Gateways need to be mounted on the interior side of an exterior wall, situated within 150'

of the luminaire chosen as a rst point of contact.

Consider the luminaire layout and identify obstructions or spacing between luminaires approaching or

exceeding 300'. These may warrant an additional gateway nearby for reliable communication. The Ethernet

cable that connects the gateway back to the router is limited to a length of 330'. Locating the gateway as

close as possible to the router will minimize cable installation costs.

In general sensors communicate to any sensor within 250' - 300', line-of-sight, up to a maximum of 300

sensors. To extend the range of the system, any sensor can act as a “hopper” and repeat the signal 300' to

additional sensors. The Gateways are limited to a maximum of 15 “hops” so when laying out the gateways the

best design practice is to locate the gateway within 15 sensors of the farthest sensor.

When powering up the system the LumaWatt energy management server and software go through a

“discovery” process where all sensors start as a hopper. In discovery mode the system creates an optimized

pattern for sensor communication and determines which sensors are to be used as hoppers to extend

coverage or navigate around line-of-site issues. Typically if connection issues occur during commissioning, the

system has developed an incorrect hopper path to the problem xture. This can be manually corrected using

the LumaWatt software during commissioning. FIG. 2

The gateways are connected back to the router via Ethernet cable. Up to of four gateways can be installed

per router. Additional routers can be added up to a maximum of ten gateways per system, operated by a

single LumaWatt energy management server, not to exceed 1,000. FIG. 1

FIG. 2

Gateway

Hopping

Luminaire

300'

Five Hops

Non-Hopping

Luminaire

Obstruction

12 940

Coverage Side Area (Feet)

01020304010203040

4912

Coverage Top Area (Feet)

Occupancy Sensor Detection Patterns

For mounting heights from 8' up to 16'.

For mounting heights from 16' up to 40'.