Flow Calibration - Honeywell Midas User Manual

7.3.3 Flow Calibration ' FLoW'
1. Use the 's' up or 't' down buttons to select the
flow calibration ' FLoW' submenu and press '3'
to accept.
2. The flow icon with the dot at the bottom starts
flashing in order to tell the user that the unit is
ready to read
3. The inhibit ' ' icon is also displayed indicating
that no alarm outputs will be generated during
this process.
4. Press '3' to confirm and the icon goes steady and a
count down from 10 is shown as the zero flow offset
is read.
5. The display will show the flashing flow icon
with the dot approximately 1/2 way up the
icon to tell the user to set the set point
1 flow (500 cc/min).
6. Press 's' up or 't' down keys to adjust the
reading on the external flow meter to the setpoint
1 target value.
+/- 50 cc/min of target to be accepted).
7. Press '3' to confirm and the target value flashes.
8. Press 's' up or 't' down to enter the actual
value read on the exter nal flow meter.
(NOTE: Holding down the button will increase
the increment speed).
9. Press '3' to confirm and the icon goes steady and
a count down from 10 is shown as the setpoint 1
value is read.
10. The display will show the flashing flow icon with the
dot 3/4 ways up to tell the user to set the set point
2 flow (650 cc/min).
the zero flow offset.
(NOTE: The reading must be
Midas
11. Press 's' up or 't' down keys to adjust the
reading on the external flow meter to the set
point 2 target value. (NOTE: The reading must
be +/- 50 cc/min of target to be accepted).
12. Press '3' to confirm and the target value flashes.
13. Press 's' up or 't' down to enter the actual
value read on the exter nal flow meter.
(NOTE: Holding down the button will increase
the increment speed).
14. Press '3' to confirm and the icon goes steady and
count down from 10 is shown as the setpoint 2 value
is read.
15. If successful the display shows UPdt (update)
and the flow calibration is complete.
16. Press 's' up or 't' down to select another
submenu.
17. Press 'X' to return to set-up, calibration and test
menu selection.
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Gas Detector
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