Installer Settings - Trane TZEMT400AB32MAA User Manual

Installer Settings

Î The Installer Settings screen is a hidden screen designed for installer use only. Do not change any
settings in this screen unless you are a qualified service technician.
Î Changing these settings will affect the operation of the heating/cooling system.
To view and edit these settings:
1. Press the MENU
2. Press and hold the two middle buttons simultaneously until the
3. Scroll to the setting you want to change. Press the plus (+) or minus (-) button to adjust the setting.
4. Press the Done
Setting Range
Display Lock Y or N
Max Heat SP 55F to 90F
(12C-32C)
Min Cool SP 60F to 99F
(15C-37C)
Minimum Run
1- 9 Minutes
Time (MRT)
Minimum Off 5-9 Minutes
Time (MOT)
Restore n/a
Defaults
Thermostat User Guide
Display Lock
System Settings
Max Heat SP
Min Cool SP
Done
button.
button when you are finished.
Default
N
90F (32C)
60F (15C)
6
5
n/a
Installer Settings
N
90
60
+ -
Installer Settings
Description
Locks or unlocks the thermostat buttons. When the buttons are locked,
the main menu can still be accessed, but no menu options may be
selected. The Installer Settings hidden button operation is always
operational, allowing Display Lock to be turned off.
Sets the maximum heating setpoint value. Will not ramp or accept
setpoints higher than this maximum.
Sets the minimum cooling setpoint value. Will not ramp or accept
setpoints lower than this minimum.
Sets the minimum run time before a heating/cooling cycle can turn off
to prevent rapid cycling. Thermostat screen will display
Heat ON while the minimum run time is being enforced.
Sets the minimum off time before another heating/cooling cycle
can begin to provide compressor short cycle protection. Thermostat
screen will display WAIT
Sets all of the thermostat settings back to the factory defaults.
menu is displayed.
when minimum off time is being enforced.
Cool ON
or
18