ENERVEX Inc.
1685 Bluegrass Lakes
Parkway
Alpharetta, GA 30004
USA
P: 770.587.3238
F: 770.587.4731
T: 800.255.2923
www.enervex.com
4. ELECTRICAL INSTALLATION
4.1 WIRING THE OPS
The OPS must be wired in a Normally Closed (NC) position
when used with a MODS™ system.
Observe the electrical rating of the switch as shown on
page 4.
5. STARTUP AND CONFIGURATION
5.1 ADJUSTING THE PRESSURE SETTING
The pressure setting can be adjusted using the dial. Adjust
set-point above normal start-up and transition pressures to
avoid nuisance trips.
NOTE: On applications where a positive pressure is being
maintained, a delay timer should be installed to avoid
nuisance trips.
0.80
(200
)
0.72
(180)
0.64
(160)
0.56
(140
)
0.48
(120
)
0.40
(100)
0.32
(80)
0.24
(60)
0.16
(40)
0.08
(20)
in WC
(Pascal)
Typ 930.80
Use terminals 1 & 3
for Normally Closed (NC)
3
2
1
Fig 3
Fig 4
Set Point
Indicator
Turning Knob
for Setting of
Set Point
0.80
(200
)
0.72
(180)
0.64
(160)
0.56
(140)
0.48
(120)
0.40
(100
)
0.32
(80)
0.24
(60)
0.16
(40)
0.08
(20)
in WC
(Pascal)
Typ 930.80
CAUTION
DO NOT MAKE ANY ADJUSTMENTS TO THE
CALIBRATION SCREW LOCATED NEXT TO
THE DIAL.
3903002 05.16