Instruction manual

Operation

How to use the FUNCTION field

Thermo Scientific WX Ultra Series 2-59

Setting and resetting zonal operation

Selection between normal operation and zonal operation is performed by special operations using the

FUNCTION field on the Run Screen.

1. Setting zonal operation

Note

1. Before starting defrost operations, wipe away any moisture and close the door.

2. The temperature rise of the rotor due to defrost operations (for 10 minutes) should be 1 C or

less.

3. During rotor acceleration or at set speed, defrost can be set but the defrost function is not

available.

4. If DEF is selected during accel or set speed, it will not function until the run times out or stop

is pressed.

Step Key operation Screen display and considerations

1 On the Run Screen, use cursor keys to

move the cursor to ZONAL in the

FUNCTION field, and press

• ZONAL is displayed in the

message field so that the

machine is ready to start

zonal operation.