5407935-UUM-D-1119
4 Johnson Controls Ducted Systems
Features
The following table describes the main features of the Hx3 Touch Screen
Thermostat.
Feature Description
Control of heating
and cooling outputs
Uses RS485 modbus
Indoor temperature
sensing
> 0.5°F accuracy from 60°F to 90°F
Remote sensor
Connects to a standard 10k NTC thermistor
(P/N: S1-02542683000)
Humidity sensing
and display
Operates cool-to-dehumidify functionality and
dehumidification/humidification functionality in
communicating systems
Presence detection
Activates backlight when the thermostat sensor
detects user presence
Near Field Communi-
cation (NFC) function-
ality
Used for passive/active limited data transfer
Wi-Fi connectivity
Supports 802.11 a/b/g/n standards and utilizes
a Broadcom chipset
Cloud connectivity
Apple iOS and Android app available for user
smartphone or tablet control
Optimized installation
Spring-loaded connectors that accept 16–24
AWG wire. A screwdriver is not required for wire
insertion and removal.
Optimized boot time
3-second boot time before temperature is dis-
played and the thermostat is fully operational
4.3 in. TFT 320x240
QVGA color display
Enhanced 80° viewing angle in all directions
RS-485
communications bus
For modbus communication protocols
Over the Air (OTA)
functionality
Can reprogram the board functionality Wi-Fi
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