Site Survey Overview - Honeywell TB7200 series User Manual

ZIGBEE WIRELESS SURVEY TOOLKIT FOR TB7200/TB7300/TB7600 SERIES THERMOSTATS
• Always locate the controller with wireless card near or
in the direct line of sight to as many wireless
thermostats as possible.
• Avoid metal, brick walls or concrete obstructions
between wireless devices as much as possible.
• Make sure the antenna on the wireless card is
perpendicular to the floor.

SITE SURVEY OVERVIEW

If available, it is best to have a floor plan layout showing
the location of all the proposed thermostats to be installed
(Fig. 7).
If possible, perform the survey during occupied hours
when other electronic devices such as (computers,
wireless laptop, cell phones, PDA's, wireless telephones,
microwave ovens, light ballasts, etc.) would be in use as
WIRELESS THERMOSTAT
It is important to understand that the survey values
recorded are provided as a worst case scenario of a point
to point application. Once the whole network is deployed
with a WEBs-AX controller and wireless communication
card and all wireless thermostats are present and
functioning as routers, the ability of the network to
C
PROPOSED WEBs-AX CONTROLLER WITH WIRELESS COMMUNICATION CARD
Fig. 7. Floor plan with proposed thermostats to be installed.
• Avoid placing the controller with wireless card and the
thermostats near metal or enclosing the controller with
wireless card in a metal box. If the controller needs to
be installed inside a metal cabinet, use the remote
antenna accessory (TB-RA-1014).
to generate as much interference as possible. Some of
these devices can generate interference up to 20 feet (6.8
meters) away during normal operation. Even with possible
sources of signal interference, the presence of these
wireless devices will most probably not result in any
network performance degradation.
C
efficiently route wireless signals cannot be compared to
this simple survey analysis method (Fig. 8). Thus, it is
important to remember that the displayed percent signal
ONLY represents the signal strength from point A to point
B. As other devices join the network mesh, the route
taken from device A to device B will most likely change.
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