Thermo Scientific TSX Series User Manual

Ultra Low Temperature Freezers Maintenance and Troubleshooting | 37
Failure to properly connect the battery can damage electrical
components and potentially hinder normal operation of the
freezer. Consult a certified service technician if there are any
questions or concerns about battery maintenance.
Battery Specification
Rechargeable sealed lead-acid battery, 12 V, 7.0 Amp Hr.
Replacement batteries can be purchased directly from
Thermo Fisher Scientific (part number 400159).
Figure 77. Battery Specification
Maintenance Schedule
Regular maintenance is important to keep the unit working
properly. Inspect/Clean as directed in the manual.
Item Interval
Defrost
Defrost the freezer once per year or
whenever the ice build exceeds 
3/8 inches (0.95 cm).
Gasket
Periodically check the gaskets around
the door for punctures or tears.
Periodically clean the ice-build up
around the gasket.
Filter
Clean the condenser filter(s) every two
to three months.
Condenser
Clean every six months; more often if
the laboratory area is dusty.
Battery
Replace the battery as indicated by
system alarms or as necessary per
individual status evaluation. Check the
battery connections regularly.
Although not required, annual battery
replacement is recommended to
ensure proper battery status in the
event of power failure.
Undercarriage
lighting
(optional)
Every two to three months, clean any
dust or debris that has accumulated on
the surface of the lighting housing.

Thermo Scientific TSX Series Specifications

General

Type	Laboratory Refrigerator
Cooling Type	Forced air cooling
Defrost Type	Automatic
Door Type	Solid or glass door options
Controller Type	Microprocessor
Certifications/Compliance	UL, CE
Energy Consumption	Varies by model; refer to product specification sheet
Voltage	115V
Exterior Dimensions (H x W x D)	Varies by model; refer to product specification sheet
Interior Dimensions (H x W x D)	Varies by model; refer to product specification sheet
Weight	Varies by model; refer to product specification sheet
Shelves	Adjustable shelves
Energy Efficiency	Energy Star certified models available