Owner`s manual

OM-263 001 Page 29
6-6. Setpoint Adjustment Table
Parameters Description Setting Range Factory Default Units Function
All All − Combines differential pressure
P (ΔP) based cleaning with down-
time cleaning On/Off selectable from
keypad.
P6 Mode Select DTC All −− DTC − Filters down-time cleaned
only, not based on filterΔP.
DFF DFF − filter cleaning based on ΔP
with downtime cleaning not available.
P7 Display Units
0 = in. w.g.
1 = daPa
0 −1 0 −− Selects units of measure for the
digital display.
P8 Downtime Start
Relay
30 − 99 30 Seconds Adjustable time lag between the
pressure dropping below the value
set in parameter P11 and the start of
the downtime cleaning.
P9 Downtime Pressure
Enable Relay
30 − 99 30 Seconds Adjustable time required to be above
the value set as the Low Set Point
(Lo) before the downtime feature is
enabled.
P10 Downtime Cleaning
Time
1 − 999 10 Minutes The amount of time the downtime
cleaning will continue once the time
set in P9 expires.
 If the downtime cleaning se-
quence is in progress and the
pressure drop indicates a fan re-
start, the cleaning sequence will
end.
P11 Downtime Start
Pressure
0 − 9.6 (245) 0.3 (13) In. Water (daPa) The falling pressure that triggers the
downtime cleaning sequence.
 If P11 is set as equal or greater
than the Lo value, the Lo value will
automatically increase 0.2 in.
above the P11 value.
P12 Pressure Sensor
Input Filtering
0 − 2 0 −− Sets the time used for ΔP value av-
eraging (0 = 250 ms, 1 = 2.5 sec, 2 =
10 sec).
P13 Reset to
Factory Defaults
0 − 1 0 −− 0 = No Reset
1 = Reset
P14 Zero Offset 0 − 1 0 −− 0 = No Operations
1 = Offset and Displayed Zero
P15 Software Version −− −− −− −−
P16 Password −− −− −− Factory password, no user-ad-
justable items in subsequent para-
meters.