the main display. Once the USB is inserted correctly, the display will read
'UPLOADING'. Leave USB in the port for this step. It is important to not interrupt the
process of uploading the data from the USB. Finally, press
changes to
'READY TO
to the main display.
Once successfully done, the blower software will update. The display will return to the
main display and the USB may be removed.
Alarm Contact (Blower ON Contact)
When the blower is desired on and in any alarm condition, the contact of terminals 7 & 8
will open. Once no longer experiencing an alarm condition, the contact will close again.
If more than one condition is in alarm, the contact will not close until all alarms are
resolved.
Never run high current through this contact.
The contact is only rated for 12 vdc at 1 Amp max.
See
Appendix E: Connecting the Spectrum Blower to a Guardian Digital AFM
an alarm state communicated through the Blower ON Contact to the airflow monitor.
Fume hood user will see
to investigate the Spectrum Blower.
UPDATE?'. Do this quickly or the Spectrum Blower will return
'External
Alarm' on the AFM once the contact opens and know
[SELECT]
43
when display
to have
Need help?
Do you have a question about the Spectrum 177050100 and is the answer not in the manual?