26 EPU‐D Installation and Operation Manual
059840‐00 Rev. A
Heat‐Timer Corp.
EPU‐D Menus
Main Menu
The main Menu is used to set the system season, temporarily shift Day or Night schedules to another schedule,
cancel Fast Cycle Test, and provides access to other system, schedule, and maintenance settings.
Season
Selections:
Winter
,
Summer
Default:
Winter
Menu Path:
/Menu > Season
Description:
Sets the current season.
When
Winter
is selected, the EPU‐D will operate the building heat whenever the outdoor temperature falls
below the Cutoff temperature (see “Day Cutoff” on page 30 and “Night Cutoff” on page 31).
When
Summer
is selected, the EPU‐D will not energize the boiler burner or motorized valve actuator.
NOTE: The Season setting is also located in the
/System Settings
menu.