Overview - Lennox 21L07 Installation Instructions Manual

Overview

The wireless system employs the following
components:
M4/W4 Wireless Gateway System:
• Plenum-rated Bluetooth Low Energy (BLE)
antenna which will assist in boosting the sig-
nal from to Lennox CORE Unit Controller to:
CORE Service App
»
Wireless room sensors (wireless
»
mode)
Wireless repeaters
»
• Efficient design allows for use in vertical and
horizontal applications
• Return air mounted antenna reduces signal
loss from roof and connected to gateway sys-
tem via coax cable.
Wireless Repeater (21L09)
• Used to "repeat" signal to sensors
• Increases effective range
• Up to five repeaters can be used per rooftop
unit
• Powered by external 24VAC only
• Used in wireless application only
• Locking captive screw
Wireless Temperature / Relative Humidity
Sensor (21L07)
• TMP / RH / After hours override
• Unit powered by either 24VAC or four AA bat-
teries. Batteries provided but not installed.
Greater than two year battery life using AA
Lithium batteries.
NOTE: Please allow for a 45 minute adjustment
period on 24VAC powered sensors on
temperature readings
NOTE: Battery life of greater than two years is
subject to the sensor operating under
good signal coverage. If signal is weak or
the RTU is off for long periods the signal
strength LED will be on and the battery
will be depleted
• Wireless or S-BUS
• Locking captive screw
• Up to five sensors can be used per rooftop
unit
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