Defrost Chamber; Prepare Unit For Storage; Clean Lid Gasket - Thermo Scientific Revco ULT1790-10-A Operating Manual

Section 5
Maintenance

Defrost Chamber

Thermocouple
interconnect jack
To remove
filter
Figure 5-1. Component Locations
Prepare the Unit for

Clean Lid Gasket

5-2 Revco CxF
1. Remove all product and place it in another freezer.
2. Turn the unit off and disconnect it from the power source.
3. Turn off the battery switch (O). See Figures 5-1 and 5-2.
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O
Battery
Switch
4. Open the lid and remove sub-lids. Place towels on the chamber floor.
5. Allow the frost to melt and become loose. Remove with a soft cloth.
7. After defrosting is complete, clean the interior with a non-chloride
detergent. Rinse thoroughly with clean water and dry with a soft cloth.
8. Plug unit in and turn power switch on.
9. Turn the battery power switch to Standby mode ( ).
10. Allow the freezer to operate empty overnight before reloading the
product.
Defrost the unit as previously described. This prepares the unit for storage.
Turn Off the battery power switch (O). Turn Off the freezer power
Storage
switch.
Note If the unit has been in service, turn it off and disconnect the power
cord connector before proceeding with any maintenance.
The lid gasket should be cleaned a minimum of once per month. Using a
soft cloth, remove any frost build-up from the gasket, sub-lids and lids.
The clean gasket alarm occurs every three months as a reminder to remove
frost build-up from the gasket and doors. Press the Silence key to mute the
audible alarm. The lid gasket may need to be cleaned more frequently if
dirt or excessive frost build-up prevents the door from closing properly.
Thermocouple
interconnect jack
Condenser
Battery
switch
System
battery
Figure 5-2. 3 cu ft Component Locations
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O
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s
To
remove filter
Thermo Scientific