User interface – APW Wyott XWAV1829 User Manual
Page 7
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7
OPERATING MODES
PREHEAT MODE
READY MODE
There are 4 keys: Bottom Zone, Top Zone, Up, and Down. There are also 5 status LEDs: 2 that indicate the
currently selected Zone; and 2 that indicate the zone Heater output state; and 1 for theAlarm conditions.
·
Unit powers up in this state
·
Unit displays Lo and the active bottom and active top LEDs are on whenever the corresponding
zone output is active.
·
Anormal press of Bottom Zone key selects this zone (its LED lights up) and display shows its current
set point for 5 seconds
·
Anormal press of Top Zone key selects this zone (its LED lights up) and display shows its current set
point for 5 seconds
·
Up and Down keys are used to change set point of current zone. Set point is displayed for 5 seconds
after last Up or Down key press, then normal display resumes. Default set points are defined in Low-
level parameters.
·
Preheat state ends when
top and bottom zones are within the Low Temperature threshold
defined in Low-level programming.
·
Unit displays rdy and the
LEDs are on whenever the corresponding
zone output is active.
·
All keys work in the same fashion as for the Preheat mode
·
Ready state ends when one of the top
bottom zones fall below the Low Temperature threshold
defined in Low-level programming (unit then goes back to Preheat mode)
DISPLAY
·
active bottom and active top
both
or
Set point temperature is displayed as a range: 1, 2, 3,..., 14, 15. 1 corresponds to the lowest sensor
temperature and 15 corresponds to the highest sensor temperature.
The factory default setting is 8.
Once the settings are changed and the unit is turned off, these new settings will remain in memory
and appear in the display once the unit is turned on.
USER INTERFACE
Bottom Zone Selected
Active Bottom Zone
Top Zone Selected
Active Top Zone
Up
Alarm
Down
Bottom Zone
Top Zone