Trane TZON1050AC52ZA - System Mode; Quiet Mode (VSPD Systems Only); Fan Mode; Air Cleaner Mode

XL 1050
18-HD80D1-3-EN 19
6.7 System Mode
The 1050 Control has (5) System Modes which can be
selected…Heating, Cooling, Off, Emergency Heat and
Auto.
• Heating – System will only operate in heating mode
• Cooling – System will only operate in the cooling
mode
• Off – System will not operate in heating or cooling
mode
• Emergency Heating – System will operate the indoor
heat source only (this is only available when the
outdoor unit type is a heat pump)
• Auto - The 1050 Control will determine which mode of
operation based on the following rules:
• Heating - Indoor temperature is equal or less than
heating setpoint
• Cooling – Indoor temperature is equal to or greater
than cooling setpoint or within 1°F of cooling setpoint
There is minimum deadband between heating and cooling
setpoints of 3°F (4°F when zoning is applied).
6.8 Quiet Mode (VSPD Systems Only)
Quiet Mode limits compressor operation (heating and
cooling mode) to minimum speed from 10 p.m. to 9 a.m.
This is to support local noise ordinances in the upper
northwest and other regions.
Charcteristics of Quiet Mode
• During heating mode, indoor heat is allowed if the
system cannot maintain space conditions while Quiet
Mode is active
• Quiet Mode is disabled by default. To enable press
“System Mode” on the home screen, then select
“System Options” and “Enable”
• When active, Quiet will be displayed below the indoor
temperature on the 1050 Control’s home screen
6.9 Fan Mode
The 1050 Control has three Fan Modes:
• Auto – Fan only runs with a call for heating or cooling
• On – Fan runs continuous
• Circ – Fan runs a user selected minimum amount of
time each hour
6.10 Air Cleaner Mode
The 1050 Control has three Air Cleaner modes:
• Auto – Air cleaner operates only with a call for fan
operation
• Quick – Air cleaner will operate for 3-hours with
blower at 100%
• Allergy – Air cleaner will operate for 24-hours with
blower at 100%
Note: If a communicating Air Cleaner is installed, the power
level will be set to High during Quick and Allergy Clean
Modes.