AUTOMATION COMPONENTS, INC
Version : 3.0
2305 Pleasant View Road
I0000777
Middleton, Wisconsin 53562
Page 3 of 5
www.workaci.com
(888) 967-5224
AUTO ZERO
The DLP unit should be “
ZEROED
” before the pressure is applied to unit.
The Auto zero button are both used to cancel out the offsets caused by installation and sensor drift.
The Auto Zero adjustment should only be performed with NO pressure.
Shut off your main pressure valve and open a shutoff valve with hose drain to equalize the pressure in the line to your
atmosphere.
Push “
AUTO
ZERO
” button for more than 3 seconds before installation or when it is necessary.
For units with LCD display:
“
AUTOZERO
” icon will be on when the unit enters auto zero mode. If auto zero is successful,
“
AUTOZERO
” icon will flash twice.
SPAN SELECTION
INPUT RANGE ADJUSTMENT
DO NOT SWITCH PRESSURE RANGE AND OUTPUT MODE WHEN POWER IS ON
.
o
MAKE SURE POWER TO THE UNIT IS OFF. FAILURE TO DO SO WILL NOT ALLOW ANY NEW
SWITCH SETTINGS TO TAKE PLACE.
C
HOOSE DIFFERENTIAL
R
ANGE BASED ON THE EXPECTED DIFFERENTIAL PRESSURE IN YOUR
APPLICATION
.
o
MOVE SWITCHES TO THE CORRECT POSITIONS AND THEN POWER ON THE TRANSMITTER
.
MAXIMUM
LINE
PRESSURE
ACI Part No.
Maximum Line
Pressure (inWC)
DLP-001-W
1
DLP-010-W
10
DLP-040-W
40
The DLP can operate in either unidirectional mode (0 – X inWC) or bidirectional mode (± X inWC).
Note: If a custom calibrated range is ordered, DO NOT change Range Selection DIP switch settings.
Unidirectional Mode
DIP switch SW3 position 5 set at
UNI
side.
DIP switch SW3 positions 1 and 2 are for Range Selection
ACI Part No.
SW3 Position 1: 1
SW3 Position 1: 2
Position 2: A Position 2: B Position 2: A Position 2: B
DLP-001-W
1 inWC
0.5 inWC
0.2 inWC
0.1 inWC
DLP-010-W
10 inWC
5 inWC
2 inWC
1 inWC
DLP-040-W
40 inWC
30 inWC
20 inWC
10 inWC
