5407935-UUM-E-1020
4 Johnson Controls Ducted Systems
Features
The following table describes the main features of the Hx 3 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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