heat-timer EPU-D User Manual

TableofContents
059840‐00Rev.AHeat‐TimerCorp.
2
Controls,Indicators,andConnections ............3
DetailedOperation............................4
Overview..................................4
The“Cycle”Concept ........................4
CycleLengthBasedonOutdoorTemperature .4
CycleLength ............................5
AvailableHeatLevels ..................... 7
SequenceofOperation...................... 7
TypicalConfigurations .......................8
EPU‐DInputs...............................8
HeatingSystemSensor ....................8
PressuretrolSensor.......................8
OutdoorTemperatureSensor..............8
RemoteShutdown/TSTATEnable..........9
EPU‐DOutputs .............................9
ValveActuator...........................9
BoilerBurner ............................9
Specifications ...............................10
EPU‐DControlModule .....................10
InstallationInstructions.......................11
SuppliedMaterials .........................11
RequiredMaterials(NotSupplied) ............11
DesignConsiderations ......................11
OutdoorTemperatureSensorInstallation...12
HeatingSystemSensorInstallation .........13
MountingtheEPU‐DModule................14
MountingtheEnclosure ..................14
MountingtheDisplayModule .............15
WiringtheEPU‐D ..........................16
PowerInputWiring......................16
OutputWiring..........................16
InputWiring............................18
Powering‐OntheEPU‐D ..................19
CompletingtheInstallation...............19
InitialProgrammingoftheEPU‐D.............20
SystemStartupMenu ....................20
EPU‐DDisplayandProgramming...............23
EPU‐DControlModuleStatusLEDs ...........23
DisplayandVariable‐FunctionButtons ........23
DefaultDisplay .........................24
DisplayIconsandMessages...............24
SettingtheDisplayContrast...............25
ResettingtoFactoryDefault .................25
EPU‐DMenus ............................ 26
MainMenu............................ 26
SystemSettingsMenu................... 29
SchedulesMenu........................ 3
3
MaintenanceMenu ..................... 35
PipingDiagrams............................. 38
Troubleshooting ............................ 41

heat-timer EPU-D Specifications

General

Brand	heat-timer
Model	EPU-D
Category	Control Panel
Language	English