heat-timer EPU-D - Controls, Indicators, and Connections

Controls,Indicators,andConnections3
059840‐00Rev.AHeat‐TimerCorp.
Controls,Indicators,andConnections
Figure1: EPU‐DControls,Indicators,andConnections
Item Description Item Description
1 StatusLEDs
See“EPU‐DControlModuleStatusLEDs”on
page 23.
5 Prgm/RunSwitch
PlacestheEPU‐Dinprogrammingmodeorrun
(normaloperation)mode.
NOTE:Programmingmodemaybepassword
protected.
2 DigitalDisplay
See“DisplayandVariable‐FunctionButtons”on
page 23.
6 OutputConnections
• Terminals4&5–notused
• Terminals6,7,&8–OutputtoBoiler
BurneroraMotorizedValve
3 Variable‐FunctionButtons
See“DisplayandVariable‐FunctionButtons”on
page 23.
7 120VacPowerInputConnection
• Terminal1–InputLineVoltage
• Terminal2–Neutral
• Terminal3–Ground
4 InputConnections
• Terminals9&10–HeatingSystemSensor
• Terminals11&12–OutdoorTemperature
Sensor
• Terminals13,14,15,&16–notused
• Terminals17&18–RemoteShutdown
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2
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