System Operation; Power-Up Sequence; Service Reminders; Software Updates - Trane Link UX360 Installation Manual

10. System Operation

10.1 Power-Up Sequence

When the UX360 is connected to the sub-
base, the thermostat initiates an 80 to 200
second power-up sequence. During the power-
up sequence, the screen will remain dark for
approximately 20 seconds and will then display
'Initializing...' above a progress bar for up to
three minutes.

10.2 Service Reminders

Reminders can be enabled to send a notification
when the configured reminder expires. A
message will be displayed across the top of the
display. The reminder is time-based and can be
configured on system run time or calendar days.
Reminders can be configured for humidifiers,
filters, ventilation systems, UV lights and HVAC
system maintenance. The type of reminders
available are based on the accessories enabled
in the installer settings.

10.3 Software Updates

To take full advantage of the features and
benefits of the UX360 Smart Thermostat, the
latest software revision should be installed.
An Internet connection to the SC360 System
Controller is required for software updates.
When the SC360 is connected to the Internet,
software updates to the installed communicating
equipment will occur automatically and do not
require user intervention.

10.4 System Mode

The system has five System Modes which can
be selected:
• Heating: system only operates in heating
mode
• Cooling: system only operates in the cooling
mode
• Off: system will not operate in heating or
cooling mode
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Emergency Heating: system will run the
•
indoor heat source only (only available when
the outdoor unit type is a heat pump)
Auto: Mode of operation is automatically
•
selected based on the following rules:
a. Heating - Indoor temperature is equal or
less than heating setpoint
b. Cooling – Indoor temperature is equal to
or greater than cooling setpoint or within
1°F of cooling setpoint
There is a minimum deadband between heating
and cooling setpoints of 3°F (4°F when zoning is
applied).

10.5 Fan Mode

The system has three fan mode options:
Auto: fan only runs with a call for heating or
•
cooling
On: fan runs continuously
•
Circ: fan runs a user-selected minimum
•
amount of time each hour

10.6 Air Cleaner Mode

When an air cleaner is installed, the system has
three Air Cleaner modes:
• Auto: air cleaner operates only with a call for
fan operation
• Quick: air cleaner operates for 3-hours with
blower at 100%
• Allergy: air cleaner operates for 24-hours
with blower at 100%
UX360 Smart Thermostat
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