Donaldson Torit Delta P Plus Control Installation And Operation Manual page 15

Parameters Description
P 6 Mode Select
P 7 Display Units
0 = in. w.g.
1 = daPa
P 8 Downtime Start
Relay
P 9 Downtime
Pressure Enable
Relay
P 10 Downtime
Cleaning Time
P 11 Downtime Start
Pressure
P 12 Pressure Sensor
Input Filtering
P 13 Reset to Factory
Defaults
P 14 Zero Offset
P 15 Software Version - -
P 16 Password
* If the downtime cleaning sequence is in progress and the pressure drop indicates a fan restart, the cleaning sequence will end.
** If P 11 is set as equal to or greater than the Lo value, the Lo value will automatically increase 0.2" above the P 11 value.
Setting Factory
Range Default
ALL
DTC ALL
DFF
0 - 1 0
30 - 99 30
30 - 99 30
1 - 999 10
0 - 9.6 (245) 0.3 (13)
0 - 2 1
0 - 1 0
0 - 1 0
- -
- - - -
Function
Units
ALL - Combines differential pressure (Delta P)
based cleaning with downtime cleaning ON/
OFF selectable from keypad.
DTC - Filters downtime cleaned only, not
- -
based on filter Delta P.
DFF - Filter cleaning based on Delta P with
downtime cleaning not available.
Selects units of measure for the
- -
digital display.
Adjustable time lag between the pressure
Seconds
dropping below the value set in parameter P
11 and the start of downtime cleaning.
Adjustable time required to be above the
Seconds
value set as the Low Set Point (Lo) before the
downtime feature is enabled.
The amount of time the downtime cleaning will
Minutes
continue once the time set in P 9 expires.*
The falling pressure that triggers the downtime
In. Water
cleaning sequence. **
(daPa)
Sets the time used for Delta P value averaging
- -
(0 = 250 ms, 1 = 2.5 sec, 2 = 10 sec).
0 = No Reset
- -
1 = Reset
0 = No Operations
- -
1 = Offset and Displayed Zero
- -
Factory password, no user adjustable items in
- -
subsequent parameters.
Delta P Plus Control
15