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Johnson Controls P352PN-3 - User Manual

Johnson Controls P352PN-3
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System 350 Product Guide 930
Basic Controls Section
Product/Technical Bulletin P352P
Issue Date 0300
© 2000 Johnson Controls, Inc.
1
Part No. 24-7664-1911, Rev. — www.johnsoncontrols.com
Code No. LIT-930044
System 350TM P352PN Electronic Proportional Plus Integral
Pressure Controls for PSI Applications
The P352PN Series controls are electronic
proportional plus integral or proportional-only pressure
controls that generate a 0 to 10 VDC and a 0 to 20 mA
analog output signal based on sensed pressure.
Three models are available with setpoint ranges of
0-100 psi, 90-250 psi, and 240-600 psi.
The P352PN Series controls have a wide adjustable
throttling range (proportional band), as well as three
selectable integration constants.
The P352PN Series controls are housed in a NEMA 1
high-impact thermoplastic enclosure. The modular
design provides easy, plug-together connections for
quick installation and integration with specified power,
stage, and display modules.
Figure 1: P352PN Electronic Proportional Plus
Integral Pressure Control for PSI Applications
Features and Benefits
❑
Modular Design
Provides the flexibility to add a D352 Pressure
Display Module, S352 Stage Modules, and a
Y350R Power Module
❑
Plug-together Connectors
and 35 mm DIN Rail
Mounting
Eliminates wiring between modules and
reduces installation costs
❑ Three Models Cover Wide
Setpoint Ranges: 0-100 psi,
90-250 psi, and 240-600 psi
Reduces inventory while providing control for
most positive-pressure refrigeration and
HVAC applications, in three overlapping
pressure ranges
❑ Adjustable Minimum Signal
Output
Allows the user to adjust the minimum output
between 0 and 60% of the output signal range
❑
Wide Adjustable Throttling
Ranges: 5 to 50 psi and
10 to 100 psi
Enables user to match the range of pressure
control to specific application requirements
❑
Reverse or Direct Acting
Modes
Works in a variety of pressure applications
❑
Three Selectable
Integration Constants
Allows the user to adjust system recovery rate
to setpoint pressure at slow, medium, or fast
to meet application requirements

Table of Contents

Questions and Answers

  • W
    wporterAug 7, 2025
    What to do if the DVM reading is not within indicated voltage ranges for Johnson Controls P352PN-3?
    • M
      michaelpearsonAug 7, 2025
      If the DVM reading on your Johnson Controls Control Unit is not within the indicated voltage ranges, replace the external transformer or the Y350R Power Module, and then recheck to ensure you have the proper supply voltage.
  • T
    tlewisAug 12, 2025
    What to do if voltage is out of range in Johnson Controls P352PN-3?
    • C
      cdavisAug 12, 2025
      If the voltage of your Johnson Controls Control Unit is out of range, the suggested solution is to replace the control.
  • M
    matthew89Aug 16, 2025
    What to do if display module does not display pressure on Johnson Controls P352PN-3?
    • W
      Wesley BlackAug 17, 2025
      If the display module on your Johnson Controls Control Unit isn't showing the approximate pressure measured at the gauge, you should replace the display module.
  • G
    georgejohnAug 22, 2025
    What to do if displayed setpoint is out of range on Johnson Controls Control Unit?
    • D
      danny99Aug 22, 2025
      If the displayed setpoint on your Johnson Controls Control Unit falls outside the control’s setpoint pressure range, the recommended action is to replace the control.
  • O
    ofreemanAug 27, 2025
    What to do if SETPOINT button gives wrong reading on Johnson Controls P352PN-3?
    • A
      Adam HoodAug 27, 2025
      If pressing the SETPOINT button on your Johnson Controls Control Unit gives a reading different from what you expect, consider replacing the display module.
  • A
    Amanda HinesSep 1, 2025
    What to do if stage module LED is lit in DA mode on Johnson Controls P352PN-3?
    • E
      Emily LopezSep 1, 2025
      If a stage module on your Johnson Controls Control Unit is in DA mode and the LED is on, slowly turn the control setpoint adjustment knob clockwise until the LED turns off.

Summary

Product Overview and Features

P352 PN Electronic Pressure Controls

Introduces the P352PN Series electronic proportional plus integral pressure controls for PSI applications.

Application and Operation

Proportional-Only Controls

Proportional Plus Integral Controls

Integration Constant DIP Switch Settings

Installation and Wiring

Installation and Wiring

Details the requirements and procedures for installing and wiring the P352PN control.

Wiring the Transducer

Details how to connect the P399 transducer to the P352PN control.

System Modules and Adjustments

Adjustments

Provides a step-by-step procedure for setting up and adjusting the P352PN control.

Operation Verification and Troubleshooting

Checkout Procedure

Outlines steps to verify proper installation and operation of the P352PN controls.

Troubleshooting

Offers guidance for diagnosing and resolving issues with the P352PN control and modules.

Johnson Controls P352PN-3 Specifications

General IconGeneral
BrandJohnson Controls
ModelP352PN-3
CategoryControl Unit
LanguageEnglish

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