Labconco FreeZone 4.5 Liter Freeze Dry Systems 77510 Series - Manual (Page 21)

Chapter 4: Using Your Freeze Dryer
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 Press SELECT until the desired units are flashing.
 Press MENU.
 The display will show:
Where YYY is the units selected above.
 Press SELECT until the desired vacuum operating level is displayed. See
“Setting the Operating Vacuum Level” for guidelines.
 If “0” is selected, the vacuum control is disabled and the vacuum level in
the Freeze Dry System will be determined by the capabilities of the
vacuum pump.
 Press MENU.
 The display will show:
 Press SELECT until the desired units are flashing.
 Press MENU.
 The display will show:
 To reset the SERVICE HOUR to 0 press SELECT. This allows you to
keep track of the time the refrigeration system operated since it was
serviced.
 The display will show the refrigeration system hours.
 To reset the service hours to 0, continue to hold SELECT 5 seconds until
hours are reset.
 TOTAL HOUR cannot be reset.
 Press SELECT.
 The display will show the vacuum pump hours.
TEMPERATURE UNITS
°C
°F
REFRIG TOTAL HOUR: XXXX
SERVICE HOUR: XXXX
REFRIG TOTAL HOUR: XXXX
RESET SERVICE HOUR: ?
VACUUM SET POINT
XXXX
YYY