ADK Instruments 33128 Zone Pressure Sensor, Fixed Range (FRP) Instruction Manual
- June 9, 2024
- ADK Instruments
Table of Contents
ADK Instruments 33128 Zone Pressure Sensor, Fixed Range (FRP) Instruction
Manual
Product Identification and Overview
BAPI’s Fixed Range Pressure Sensor (FRP) is an economical solution for any
cost-conscious application.
The FRP features one factory-set pressure range and one factory-set output
range.
A single button is used to auto-zero the unit.
Mounting
Attach the unit to its mounting surface with the four self-tapping #10×3/4”
sheet metal screws through the holes in the mounting feet.
The preferred mounting orientation is with the pressure ports facing down to
prevent condensation from entering the pressure transducer.
Do not mount to a vibrating surface as vibration may cause issues with the
accuracy of the sensing element.
See page 2 for an actual size mounting template for the unit.
The two cover latch screws must be installed to achieve an IP66 rating.
After Auto-Zeroing, remove the deadhead tubing and push the system tubing onto
the port nipple without creating any kinks or holes.
If a hole must be cut into the plastic plugs in the ½” NPSM threaded ports of
the BAPI-Box enclosure, it’s recommended to use BAPI’s Clean-Cut Tool.
Not using this tool could cause damage to the electronics of the sensor.
See the Accessories section of BAPI’s website or product catalog for more info
on the Clean-Cut Tool.
Mounting Template
Fig. 4:
Mounting Hole Template – shown actual size (BAPI recommends creating 5/32”
(4mm) pilot holes for the #10×3/4” self-tapping mounting screws.)
Wiring Termination
| BAPI recommends wiring the product with power disconnected.
Proper supply voltage, polarity and wiring connections are important to a
successful installation.
Not observing these recommendations may damage the product and void the
warranty
---|---
NOTE: The connectors use a rising block screw terminal to hold the wires.
It is possible for the block to be in a partially up position allowing the
wire to be inserted under the block.
Be sure that the connector screws are turned fully counterclockwise before
inserting the wire.
Lightly tug on each wire after tightening to verify proper termination.
| Terminal | Function |
|---|---|
| V+ | Power, referenced to GND See the “Specifications” section on the next page |
for Power specs
GND| To Controller Ground [GND or Common]
VOUT| Voltage Output, Pressure Signal, referenced to GND
Auto-Zero Procedure
The FRP must be mounted at its location prior to auto-zeroing. Auto-Zeroing
must be done after the initial setup, changing mounting orientation or
changing any settings.
For most applications, perform an auto-zero whenever it appears that the
sensor has drifted.
For critical applications, the unit should be zeroed 2-3 times a year.
STANDARD UNITS
-
Power must be on.
-
Detach system tubing and deadhead ports using the supplied tubing or other short length of tubing.
Do not kink tubing. -
Press and hold the Auto-Zero button for 1-2 seconds.
The Status LED will stop flashing when completed. -
Remove deadhead tubing and reattach system tubing.
UNITS WITH ATTACHED TUBE (See Fig. 6)
-
Power must be on.
-
Disconnect the system tubing from the Low Pressure brass fitting and attach the supplied 6” deadhead tubing to the brass fitting.
-
Disconnect the short clear tubing from the 90° black Attached Tube fitting with your fingers. A pliers may cut the tubing.
-
Connect the clear tubing to the supplied straight black fitting on the 6” tubing. Do not kink the tubing.
-
Press and hold the Auto-Zero button for 1-2 seconds.
The Status LED will stop flashing when completed. -
Disconnect the deadhead tubing and reattach the clear tubing and system tubing.
Confirm that the clear tubing is pressed all of the way onto the fitting and that it is not kinked.
Multicolor LED Status Indicator
The LED is on whenever power is applied. The LED color varies according to the following list:
- Red = Over pressure
- Green = Top half of span
- Amber = Center of span
- Blue = Bottom half of span
- Purple = Under pressure.
Diagnostics
Possible Problem
LED does not light
Output not tracking pressure properly
Possible Solutions
Check power connections for proper power
Remove pressure from ports and perform auto-zero procedure
Specifications
-
Power: For All Outputs and Ranges: 18 to 28 VAC @ 1 VA Max
POWER FOR STANDARD PRESSURE RANGES (Ranges FR51-55, FR61-65, FR56-60, FR66-70) -
For 0 to 5 VDC Output Units: 10 to 32 VDC @ 12 mA max (10 to 24 VDC recommended)
-
For 0 to 10 VDC Output Units: 18 to 32 VDC @ 12 mA max (18 to 24 VDC recommended)
POWER FOR LOW PRESSURE RANGES
(RANGES FR91, FR73-75, FR82-85, FR96, FR78-80, FR87-90) -
0 to 5 VDC Output Units: 9 to 32 VDC @ 10 mA max (9 to 24 VDC recommended)
-
0 to 10 VDC Output Units: 13 to 32 VDC @ 10mA max (13 to 24 VDC recommended)
-
Accuracy at 72°F: ±1.0% FS of input range for units ≥ 0.25” WC (62.5 Pa)
±0.5% FS of input range for units < 0.25” WC (62.5 Pa) -
Stability: ±0.25% F.S. per year
-
Storage Temperature: -40 to 185°F (-40 to 85°C)
-
Environmental Operating Range: -4 to 140°F (-20 to 60°C)
-
Humidity: 0 to 95% RH, non-condensing
-
Wiring: 3 wires (AC or DC powered, Voltage out)
-
Overpressure: Proof 300” WC (74 kPa)
-
Port Size: 1/4” barb
-
Enclosure Material: UV-resistant Polycarb., UL94 V-0
-
Enclosure Rating: IP66, NEMA 4
-
Media: Clean, dry, non-corrosive gases
-
Pressure & Output Ranges: Specified at time of order
-
Status Indicator: 5-color LED
-
Agency: RoHS
-
Ranges: Imperial or metric units, specified at time of order
CUSTOMER SUPPORT
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: [email protected]
Web:www.bapihvac.com