PEC Plus user manual Programming the stages
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If you press a parameter button that has no function for the relay, the display shows
----. Press
Back to return to the previous display.
Use the
Curtain worksheet on page 93 when setting up curtains.
Before programming the curtains, make sure you have properly configured the
relays. For more information, read
Configuring relays for curtains on page 36.
The set point and idle band for both the open and close relays are programmed at
the same time. When you select one of the curtain relays, both the open and close
relay LEDs light up.
The ON and OFF durations are in minutes and seconds. For example, 1.30 would
be 1 minute and 30 seconds.
Temperature
Idle band (+/– 2°F)
When the temperature is within the idle band, the curtain remains in its current
position.
Set point
(80°F)
Open on (00:30 mm:ss)
If the temperature rises above the idle band, the curtain opens for this duration.
Open off (02:00 mm:ss)
After the curtain opens for the “open on” duration, it holds its position for the
“open off” duration.
Time (duration)
Close on (01:00 mm:ss)
If the temperature rises above the idle band, the curtain opens for this duration.
Close off (01:00 mm:ss)
After the curtain opens for the ‘open run’ duration, it holds its position for the
close idle time.
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