Delta 30 User Manual download pdf (Page 21)

User Manual | DELTAGuard | General Instructions

Failure

Extract air function display Operating state Measures

Display (LED)

red

Extract air volume too

low

Press the Quit button.

Please inform the technical person in charge/service.

Ventilation device shall be adjusted.

red, ﬂashing Power failure Check voltage supply, check fuse.

NOTE

The warning signal is cleared, by pressing the QUIT button or after expiry of the preset

time. The visual error indication remains until the fume cupboard is extracting the right air volume

again

Control Keys

The key that are serially available provide the following functions:

QUIT switch to confirm (clear) the warning signals

LIGHT switch to switch the light in the fume cupboard interior on and off

4.4 Fume cupboard sash (AFS) optional

Components

The electronic control of the fume cupboard is automatically closing, in case the fume cupboard is not in ope-

ration. A passive infrared detector (PIR) continuously controls the working area in front of the laboratory fume

cupboard. If no operating staff is directly in front of the lab fume cupboard, the automatic locking process of the

sash is started. The pollutant emission of a fume cupboard is lowest if the sash is closed. In connection with a

fume cupboard control it is energy saving and the air volume escaping above the fume cupboard is reduced.

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Delta 30 User Manual Page 21