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BAPI EZ Manual

Pressure sensor, low pressure ranges

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49583_ins_EZPS_Low_Range.pdf
Identification and Overview
BAPI's EZ Low Pressure Sensor is a true differential pressure
transmitter that provides ±1 inches WC (±250 Pascals) in
10 field selectable ranges (see specifications). BAPI's EZ
enclosure is designed for DIN rail, Snaptrack or surface
mounting. Five output ranges of 0 to 5, 1 to 5, 0 to 10 and
2 to 10 VDC and 4 to 20 mA are also field selectable for all
pressure ranges. The wiring terminal block is pluggable.
Pressure units of inches of Water Column or Pascals are field
selectable.
Mounting
The EZ Mount Base has mounting tabs that can be
extended or pushed in for the three mounting methods.
DIN Rail Mounting, Figs 2-3:
• Pull out the blue mounting tabs.
• Catch the EZ mount hook on DIN rail as shown in Fig 3.
• Rotate the EZ pressure module down until the bottom
mounting tab snaps into place on the DIN rail.
• Connect wires and pressure lines as needed.
Snaptrack Mounting, Fig 4:
• Push in the blue mounting tabs.
• Snap the EZ Mount base into the board slots in the 2.75
inch snaptrack.
• Connect wires and pressure lines as needed.
Surface Mounting, Fig 5:
• Pull out the blue mounting tabs.
• Place the EZ Pressure unit against the surface and
mark the screw holes.
• Drill 1/8" pilot holes for #8 flathead screws.
• Screw unit to the surface. The holes in the blue
mounting tabs are elongated to allow for alignment.
• Connect wires and pressure lines as needed.
Pressure Connections
The Pressure ports are 3/16" (4.75mm) barbed fittings.
• Connect the high pressure to the port labeled High.
• Connect the low pressure to the port labeled Low.
The output will be the pressure difference between the high and low
port.
Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI 54631 USA
Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:sales@bapihvac.com • Web:www.bapihvac.com
EZ Pressure Sensor, Low Pressure Ranges
Fig. 1: EZ Pressure Sensor
Fig. 2: DIN Rail
Mounting with tabs out
Snaptrack Mount
Fig. 4: Snaptrack
Mounting with tabs in
Installation and Operation Instructions
DIN Rail
Mount
Fig. 3: Catch the EZ Mount
hook on the edge of the DIN
Rail, then rotate into place
Surface
Mount
Fig. 5: Surface
Mounting with the tabs
Fig. 6: Pressure
Port Connections
rev. 06/09/2025
out
1 of 4

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Summary of Contents for BAPI EZ

  • Page 1 DIN Rail Mounting, Figs 2-3: • Pull out the blue mounting tabs. • Catch the EZ mount hook on DIN rail as shown in Fig 3. • Rotate the EZ pressure module down until the bottom mounting tab snaps into place on the DIN rail.
  • Page 2 4 to 20 mA, “Two Wire” Operation • Connect the EZ Pressure’s “Power” terminal to a DC voltage of 8 to 40 VDC*. • Connect the “Gnd/4-20 mA Out” terminal to a 4 to 20 mA input on your controller.
  • Page 3 Pascals, the unit will display in Pascals with a “Pa” after the number. Selection Typical Applications Fig. 10: Air filter pressure drop monitoring with the EZ Fig. 11: Duct static pressure monitoring with the Low Pressure Sensor mounted in a panel with two static BAPI EZ Low Pressure Sensor mounted in a panel pressure probes (ZPS-ACC07) in the duct.
  • Page 4 EZ Pressure Sensor, Low Pressure Ranges Installation and Operation Instructions rev. 06/09/2025 49583_ins_EZPS_Low_Range.pdf Troubleshooting POSSIBLE PROBLEMS: POSSIBLE SOLUTIONS: Display does not light - Check power connections for proper power (see specifications below). Output stuck either high or low or - Remove pressure from ports and perform auto-zero procedure not tracking pressure properly.