ST215C User Handbook Page
9
Control Relay Configuration
While programming either a ramp rate or a soak time the
event output can be switched on or off by pressing the
event key. The event output will be ON when the event
lamp is on. The event output will be OFF when the event
lamp is off. The event lamp also shows the status of the
event output when the controller is running a program.
The ST215C has an optional control relay that can be configured (see installation
section) as: not used, an event output, a damper control output or a fan control output.
Control Relay Option
Event Output
The event output can be programmed to change state at the start of a ramp and also
at the start of a soak period. Thus both ramp and soak events are possible. The
event output is ON (relay contacts are closed) when the event lamp is lit. Prior to
running a program the event output is OFF (relay contact is open). The event output
status is stored within the firing program.
event on event off
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