77210163GB Issue 3
12
Defrosting stops after 15 minutes and the instrument reverts to its previous state. Press
[CANCEL DEfROST/fUMIGATE] to stop the defrosting process earlier if required.
Note
1 The compressor will not restart until 3 minutes after it stopped
2 Defrosting cannot take place if the Chamber or Cryobar temperature is above 0°C
3 If the Day 9 option is selected when setting the defrost times, then the instrument
will enter STANDBY (PSAVE) mode when defrosting finishes.
2.2.4.2 [IMMED fUMIGATE]
TAKE CARE whEN fUMIGATION IS IN PROGRESS. BE AwARE Of ThE
hAZARDS POSED BY fORMALIN AND ACT ACCORDINGLY. REfER TO
MATERIAL SAfETY DATA ShEET (MSDS) fOR fORMALIN
Note
1 The window MUST be shut and locked before fumigation can start. If
[IMMED FUMIGATE]
is pressed when the window is not shut, Err 4 is displayed
and the fumigate cycle is aborted.
2 Fumigation can only be cancelled by
[CANCEL DEFROST/FUMIGATE]
during
stages iii and iv that follow. Stage v and vi cannot be cancelled.
Press
[IMMED fUMIGATE] to initiate the following sequence:
i
the
[IMMED fUMIGATE] button LED lights and the display shows Ald
(Formaldehyde).
ii
the window lock is activated if the window has not already been locked by manual
use of the
[wINDOw LOCK] push-button.
iii a 5 minute defrost is started, then....
iv the compressor is switched off and a one hour chamber defrost starts,
v the Formalin trough is heated to 100°C for 45 minutes
vi the heater is switched off and fumigation takes place over four hours.
Содержание Cryotome
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