Honeywell Home T10 Product Data page 71

Q: What's the range of detection on the motion sensor?
A: There are many factors that can affect this (height, body
size, layers of clothing, temperature of clothing, angle, etc.).
The typical range of our sensor is up to 20 feet.
Q: How does motion-based priority work with multiple
people in the house?
A: If the thermostat's priority is set to 'Active Rooms', then any
room that detects motion will become prioritized. The average
of those rooms' temperatures will be monitored so that the
thermostat can adjust to your preferred temperature setpoint.
If one of the sensors no longer detects people in that room,
that sensor will adjust after a period of time, using the
algorithm based on motion events that it sees within a certain
timeframe.
Q: When using active rooms, how long are those rooms
considered "Active" after motion has last been detected?
A: The sensor has an occupancy algorithm based on how
many motion events it sees within a certain timeframe. This
was set up so that if someone briefly walks through a room,
the sensor will tell the thermostat that the room is "occupied"
for 10 minutes. If someone is in a room longer, then the
timeout will be increased automatically.
Sensors communicate directly with the thermostat via
Honeywell Home RedLINK technology. After sensing motion,
the communication should take less than 3 seconds to assign
the room priority, depending on battery and signal strength.
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