Stability Freezer – FS055

The FS Series is a top selling stability freezer chamber very common in laboratories. The FS055 is a 2-door stability freezer chamber. Popular options include chart recorder and TraceLock electronic/audit capable locks. Download Specification


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FS Series

The FS Series is a top selling stability freezer chamber very common in laboratories.

Temperature Range

The FS series offers a temperature range of -25º C to +15º C.

Widely Proven, Non-Proprietary Controllers

Standard controllers for the FS Series are manufactured by Fuji Electric and are ideal for laboratory freezer. Unlike many proprietary controllers, this controller is commercially available and proven in tens of thousands of installations. Standard functions include: autotuning, fuzzy logic, PID control, programmable alarms, calibration capability, offset capability, etc. A touchscreen control interface is optional. Other controller manufacturers are also supported (Watlow, Allen-Bradley etc.)

Services and Warranties

We offer technical support throughout the lifetime of your freezer. In addition to standard warranties, we also offer extended warranties for cooling components, parts and labor. We also provide qualifications, validations and preventive maintenance services at an additional cost. Please ask for a quote.

Refrigeration System

The FS Series provides an oversized and balanced, environmentally friendly R404A refrigeration system with an epoxy-coated evaporator coil. This large evaporator and coil heater allow for a short defrost cycle, along with an automatic evaporator fan motor to delay frost formation during defrost.

Options Available

Chart Recorder, Data Logger

Additional information

Cabinet Construction

Stainless model has stainless steel front door, and sides on exterior. Interior is stainless steel side walls, back, floor, ceiling, and door liner. This unit includes LED interior lighting.

Standard model features stainless door, front, and brushed aluminum sides. Interior has coated aluminum side walls, door liner,and back with stainless steel floor and ceiling.


Positive seal, self-closing doors (gravity cam-lift) with 120 degree stay open feature. Door gasket removal and installation is tool-less. Glass door models feature double pane,”Low-E” glass.


Entire cabinet structure and doors insulated using foamed-in-place CFC-free polyurethane foam.


Wire shelves (3 per door) available in stainless steel or PVC coated. Shelves capable of supporting up to 100 lbs of evenly distributed weight. Gray PVC coated shelves are standard.

Full height shelf support pilasters, with double oblong holes on 1/2″ centers. Pilasters made of the same material as cabinet interior. Four (4) chrome plated, stainless steel shelf clips to be included for each shelf.

Refrigeration System

Unsurpassed temperature control through continuous refrigeration bypass system.

Refrigeration system factory balanced using CFC free 404A refrigerant.

Top mounted condensing unit.

Factory pre-engineered capillary tube system with oversized condenser and evaporator to reduce product pull down time and to consistently maintain interior cabinet temperature (non-adjustable capillary tube system superior to problematic expansion valve).

Evaporator – epoxy-coated at the time of manufacture to eliminate the potential of corrosion.

Electrical Characteristics

Unit completely pre-wired at factory, and ready for final connection to a 115/60/1 phase – 15 amp dedicated (recommended) outlet. Unit runs approx. 6RLA under test conditions.

A cord and plug set is included.

A sole use circuit is recommended.