
Page 7Installation
Installer Settings Menu Items
Display Lock
Y = Display LOCKED
N = Display UNLOCKED
Allows you to lock or unlock the thermostat buttons. When the buttons are locked, you can still access the main
menu, but you will not be allowed to select any menu options. The Installer Settings hidden button operation is always
operational, allowing you to return to this screen and turn Display Lock off.
Range: Y or N Default: N
Service Mode
Test Mode
Y = Test mode on. Reduces all delays to 10 seconds for quicker system testing.
N = Test mode off. Normal system delays.
CAUTION: in test mode all system safety delays are shorten. Do not operate the system compressor in test mode.
Disconnect Y1 or Y2 outputs if using test mode on a live system.
Range: Y or N Default: N
System Settings
Submenu
Sets the HVAC operational settings below.
Mechanical Settings
Submenu
Sets the HVAC system type and conguration.
Type
Range: Gas/Elec or Heat pump
Default: Gas/Elec
Selects HVAC type, Gas/Electric or Heat pump
Fan Type
Range: Gas or Elec
Default: Gas
Selects the Fan type if system is Gas or Electric
C/O Type
Range: w/Cool or w/Heat
Default: w/Cool
Selects the Heat Pump Changover Valve type
2nd Stage Heat
Range: Y or N
Default: N
Enables the 2nd Stage Heat operation
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