Wireless Sensor Specifications - Trane UniTrane Installation, Operation And Maintenance Manual

Zone Sensor Options
• LED3 flashes On every 2 seconds when it is ready to
accept a sensor association request. When an
association request is made by a sensor, the receiver
instructs the sensor on which power level to operate.
Then the receiver and sensor begin operation at the
appropriate channel and power level (see
Receiver for Readiness, " p.
Address set from 001 to 999 (and not changed
since most recent power-up) and receiver is
associated with a sensor
• LED5 is constantly On, indicating power is applied and
the receiver is functional.
• Zone temperature and setpoint default to 72.5°F . WDS
only: Heating setpoint defaults to 70.5°F , Fan = Auto,
System = Off.
• The receiver waits for a broadcast transmission from
its associated sensor. When a transmission is received,
the receiver positions its zone temperature and
setpoint outputs appropriately.
• If the receiver does not receive a communicated signal
from its associated sensor within 35 minutes, zone
temperature and setpoint outputs fail, generating a
unit controller alarm (see
p. 136).
Note: Once a receiver communicates to a WZS sensor,
the receiver disables (opens) its zone setpoint
output indefinitely.

Wireless Sensor Specifications

Table 40. Wireless sensor specifications
Component
Sensor operating temperature
Receiver operating temperature
Storage temperature
Storage and operating humidity range
Accuracy
Resolution
Setpoint functional range (WDS only)
Receiver voltage
Receiver power consumption
Housing
Mounting
Sensor battery
1
Range
Output power
Radio frequency
Radio channels
Address range
Minimum time between transmissions
Maximum time between transmissions
1
Range values are estimated transmission distances for satisfactory operation. Actual distance is job specific and must be determined during site evaluation.
98
"Observing
95).
"Failure and Default Modes, "
Type
32°F to 122°F
-40°F to 158°F
-40°F to 185°F
5% to 95%, non-condensing
0.5°F over a range of 55ºF to 85°F
0.125°F over a range of 60°F to 80°F 0.25°F when outside this range
50°F to 89.6°F
24 V nominal ac/dc ±10%
<1 VA
Polycarbonate/ABS blend, UV protected, UL 94-5VA flammability rating, suitable for
application in a plenum
3.24 in (8.26 cm) for 2 mounting screws (supplied)
(2) AA, 1.5 V, 2800 mAh, lithium, 5-year life, UL listed
Open range: 2,500 ft (762 m) (packet error rate = 2 percent)
Usable: 200 ft (61 m)
Typical: 75 ft (23 m)
100 mW
2.4 GHz (IEEE Std 802.15.4-2003 compliant)
(2405 to 2480 MHz, 5 MHz spacing)
16
000 to 999
30 seconds
15 minutes
Transmission Variables
Sensor transmission time variables are as follows:
• The maximum time between sensor temperature
transmissions is 15 minutes.
• The minimum time between sensor temperature
transmissions is 30 seconds.
• The minimum time for transmitting temperature
setpoint changes is 10 seconds.
Note: If a sensor transmits a message to the receiver and
the receiver does not reply, the sensor will
retransmit the message to the receiver every 30
seconds until communication to the receiver is re-
established.
Sensor temperature time variables are as follows:
• The minimum change in zone temperature required to
force a sensor transmission is:
– 0.2°F when the temperature range is between 60°F
and 80°F
– 0.5°F when the temperature range is between 32°F
and 60°F or between 80°F and 122°F
• The minimum change in temperature setpoint
required to force a sensor transmission is: 0.1°C for a
model WDS sensor
UNT-SVX07J-EN