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Table 1: WTL Series selection chart
Product code Description
WTL-PD2-00 Wireless, pneumatic, direct-
acting 2-pipe deadband
thermostat for terminal unit with
two actuators. Provides separate
setpoints for cooling and heating
with adjustable deadband.
WTL-PR2-00 Wireless, pneumatic, reverse-
acting 2-pipe deadband
thermostat for terminal unit with
two actuators. Provides separate
setpoints for cooling and heating
with adjustable deadband.
WTL-PD3-00 Wireless, pneumatic, direct-
acting summer/winter
thermostat for single setpoint
control with summer and winter
mode.
WTL-PR3-00 Wireless, pneumatic, reverse-
acting summer/winter
thermostat for single setpoint
control with summer and winter
mode.
WTL-WRG-00 Wireless LoRa Gateway. Wireless
communications hub.
WTL-GBC-00 WTL Control Server. For BACnet/
IP interface, web application user
interface, history, and trending
logs.
WTL-SK-00 WTL Survey Kit. For larger, multi-
story buildings to determine
wireless signal strength.
Table 2: WTL Series accessories selection chart
Product code Description
WTL-CVR-00 White, plastic replacement
thermostat cover with LCD
screen and buttons
Technical specifications
Table 3: WTL Series Thermostat technical
specifications
Specification Description
Action Direct acting, reverse acting
Number of pipes 2-pipe
Table 3: WTL Series Thermostat technical
specifications
Specification Description
Setpoint temperature range 55ºF to 85ºF (13°C to 29°C)
Air connections 3/32 in. (2.5 mm) ID tube fittings
Maximum operating pipe
pressure
25 psi (170 kPa)
Airflow usage 0.011 scfm (5.2 mL/s)
Sensitivity Factory adjusted to 2.0 PSI/F –
2.5 PSI/F
Operating frequency band 915 MHz LoRa network band
Recommended
indoor on one
floor
250 ft (76.2 m)
Recommended
indoor over
multiple floors
150 ft (45.7 m)
Transmission
ranges
1
Line of sight,
maximum
400 ft (122 m)
Transmission interval 5 minutes
Antenna gain 1.7 dBi
Output power 18.5 dBm
Battery life Minimum of 2 years, with four
setpoint changes per day
Operating conditions 32ºF to 122ºF (0ºC to 50ºC), 95%
RH maximum, noncondensing
Storage conditions -40ºF to 122ºF (-40ºC to
50ºC) 95% RH maximum,
noncondensing
Dimensions H x W x D 5.6 in. (141 mm) x 4.1 in.
(104 mm) x 2.1 in. (53 mm)
1 Metal objects or other obstructions can reduce or
completely block the wireless signal transmissions.
Table 4: WTL Series Gateway technical
specifications
Specification Description
External
power
adapter
100 VAC to 240 VAC 50/60HzPower
requirements
WTL-WRG-00
input
9 VDC @ 1.7 A from external
supply
Communications interface Ethernet 10 Base-T/100 Base-
TX with RJ-45 connector
Operating frequency band 915 MHz
3 WTL Series Catalog Page