VWR -80°C Ultra-Low Freezer

• Avoid the excessive use of water around the control-area due to the risk of electrical shock. Damage to the controls may also result.
• Wipe down the freezer exterior using soap and water and a general use laboratory disinfectant. Rinse thoroughly with clean water and dry with a soft cloth. 

1. Locate the grilles on the front of the unit. Grasp the corner of the grille and gently pull to remove.
2. Remove the filter material and wash, using water and a mild detergent.
3. Dry by pressing between two towels.
4. Install the filter back into the grille and attach the grille. 

*Depending upon environmental conditions, the filter may need to be cleaned or replaced more frequently. If the filter becomes torn or excessively dirty, a replacement can be purchased from Thermo Forma.

1. Locate the grilles on the bottom front of the unit. Grasp the corner of the grille and gently pull to remove.
2. Using a vacuum cleaner, exercising care to not damage the condenser fins, clean the condenser.
3. Install the grille. 

*Depending upon environmental conditions, the condenser may need to be cleaned more frequently.

1. Remove all product and place it in another freezer.
2. Turn the unit off and disconnect it from the power source.
3. Deactivate the Performance Monitor.
4. Open all of the doors and place towels on the chamber floor.
5. Allow the frost to melt and become loose.
6. Remove the frost 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. Allow the freezer to operate empty overnight before reloading the product. 

Using a soft cloth, remove any frost build-up from the gasket and door(s).

*The door gasket may need to be cleaned more frequently if dirt or excessive frost build-up prevents the door from closing properly.

Using a soft cloth, remove any frost build-up from the vacuum relief, located in the left corner of the chamber. 

The vacuum relief port contains a small heating element. If the freezer is not disconnected from the electrical supply or turned off at the power switch, the heating element will continue to operate and may cause injury to personnel cleaning the freezer chamber.

*The vacuum relief port may need to be cleaned more frequently if dirt or excessive frost buildup prevents the door from closing properly.

The Battery % Charge may not indicate the full number of hours of monitor backup power. The % of charge can vary depending on the age, usage and condition of the battery. For a consistent and dependable charge, replace the battery every 2 years. Replacement batteries must be rechargeable and are available from VWR Service at Forma. Refer to the parts list for stock number and description of the replacement batteries. Dispose of the used batteries in a safe manner and in accordance with good environmental practices.

1. Turn off power switch or disconnect the line cord from the receptable.
2. To gain access to the battery, remove the grill on the front of the freezer. The grill is attached to the freezer by friction plugs on each of the four corners and is readily pulled off. The battery is rectangular in shape, located on the front left corner of the compressor compartment and is secured in place by four screws.
3. Unplug the battery.
4. Remove the four screws securing the battery.
5. Remove the old battery, install the new battery and secure.
6. Reconnect the battery (red to positive and black to negative).
7. Install the grill and turn the unit on.

1. Turn off the power switch and unplug the unit from the AC power supply.
2. Press the UP arrow and the % Battery Charge simultaneously. A "1" will be displayed. If "1" is not displayed, repeat the step.
3. Enter the access code and press Enter and "Cal" will be displayed.

4. Press the DOWN arrow. The Performance Monitor will be placed in a sleep mode, saving the battery charge. 

    

• Defrost the unit.
• The Performance monitor must be deactivated to prevent the battery from becoming completely discharged during storage.