heat-timer EPU-D - Page 21

InstallationInstructions21
059840‐00Rev.AHeat‐TimerCorp.
SystemSensorType
Shutdown/TSTAT
CycleLength
Selections:Heating System Sensor
Pressuretrol
Default:Heating System
Sensor
MenuPath:/SystemStartup>DisplayUnit>SystemSensorType
Description:
Setsthetypeofindoorsensorusedinthesystem.WhenPressuretrolisselected,theSensor Fault
settingisnotused.
Selections:Shutdown/Disable
 Tstat/Enable
Default:Shutdown/Disable
MenuPath:/SystemStartup>DisplayUnit>SystemSensorType>
Shutdown/TSTAT
Description:
Setstheexpectedsignal(openorshort)ontheEPU‐DcontrolShutdownterminals(17and18)thatallowsthe
controltooperate.
WhenShutdown/Disableisselected,thecontrolrequiresan“open”tooperateandprovideheat.When
shorted,thecontrolisdisabled.
WhenTstat/Enableisselected,thecontrolrequiresa“short”tooperateandprovideheat.Whenopen,
thecontrolisdisabled.
Selections:10to240minutes Default:60 min
MenuPath:/SystemStartup>DisplayUnit>SystemSensorType>
Shutdown/TSTAT>CycleLength
Description:
Setsthelengthoftheheatingcycle.EachcycleconsistsofaCycle‐ONandCycle‐Offsegment.