Cleaning The Condenser Filter; Manual Defrost - Thermo Scientific XBF40-MD Series Installation, Operation And Service Manual

8.3 Cleaning the
Condenser Filter

8.4 Manual Defrost

Thermo Scientific XBF40-MD Series Blast Freezers
5. Clean up any loose dust, replace the filters (refer to Section 8.3 for filter
cleaning), and close the front grill.
6. Reconnect the power.
Clean the condenser filters every month, or more if required. To clean the
filters:
1. Slide the front grill to the right.
2. Remove both filters.
3. Gently vacuum or shake the filters to remove loose dust.
4. Rinse in clean water, shake excess water from the filters, and replace the
filters.
5. Reconnect the power.
CAUTION: Do not pull the filter downwards from the bottom. The
condenser has sharp surfaces.
Although the freezer has an automatic powered coil defrost, the entire
cabinet should be defrosted at least once a week; more frequent defrost may
be necessary depending on room ambient humidity and frequency of door
opening. Defrost the freezer manually once a week or whenever the interior
frost interferes with use or temperature performance.
CAUTION: Ice buildup in the freezer and around the control sensor could
cause drift in unit operating temperature.
To defrost:
1. Remove all products and place in a safe storage location.
2. Turn off the unit and open all outer and inner doors.
3. Wipe inner and outer doors with a dry soft cloth to prevent
condensation.
4. Wipe the inner doors to minimize water dropping onto the floor.
5. Let the freezer stand open until the ice and frost buildup has melted. If
desired a fan can be directed at the unit to accelerate the defrost.
Installation, Operation and Service Manual
Maintenance
17