Description
P399 Series Electronic Pressure Transducer - ratiometric pressure transducer for Johnson Controls electronic pressure controls and fan speed controls.
The P399 Series Electronic Pressure Transducers convert system pressure into a ratiometric voltage signal for use by Johnson Controls electronic pressure controls, including the System 350 P352 pressure control range, the P470 Electronic Pressure Control with Display and the VFD66 Series condenser fan speed controls. Models are offered in several pressure ranges and with either an NPT male fitting or a 1/4 in. SAE female flare fitting with an integral Schrader valve depressor, which allows the transducer to be fitted to a standard access port.
Transducers are available on their own or as kits: the -1-200C kit codes contain the transducer packaged with a 6-1/2 ft (2.0 m) length wire harness with pigtail leads (WHA-P399-200C).
Applications
* Pressure input to System 350 P352 electronic pressure controls and S352 stage modules
* Pressure input to the P470 Electronic Pressure Control with Display
* Condenser fan speed control with VFD66 Series drives
* Suction, discharge and head pressure sensing on refrigeration and air conditioning systems
PRODUCT CODE NOT OEM-DOCUMENTED. The P399AAC-1 code (without the C suffix) is not itemised in the OEM P399 catalog page, which lists the P399AAA-1C and P399AAC-1C (0 to 100 psi), the P399GAA-1C (0 to 200 psi, not applicable to System 350 pressure controls), the P399BAA-1C and P399BAC-1C (0 to 500 psi) and the P399CAA-1C and P399CAC-1C (0 to 750 psi), plus the matching -1-200C kit codes. The closest documented code is the P399AAC-1C, and the range and connection below are its OEM values. Confirm the range marking on the transducer before fitting.
Specifications
* Brand / Manufacturer: Johnson Controls / PENN
* Model / Part Number: P399AAC-1
* Type: P399 Series Electronic Pressure Transducer
* Pressure Range: 0 to 100 psi per the OEM P399AAC-1C - confirm from the transducer label
* Pressure Connection: 1/4 in. SAE female flare (Schrader) fitting with integral valve depressor per the OEM P399AAC-1C - confirm from the fitting
* Overpressure (OEM): 3x pressure range maximum; short duration, infrequent, abnormal condition
* Burst Pressure (OEM): 5x pressure range maximum
* Vacuum (OEM): 30 microns (0.03 mm Hg) maximum, short term
* Media Compatibility (OEM): Noncorrosive refrigerants, lubricating oils, ammonia
* Supply Voltage (OEM): 5.00 ±0.25 VDC ratiometric range, 6.00 VDC maximum
* Wire Harness Options (OEM): WHA-P399-200C 6-1/2 ft (2 m), WHA-P399-400C 13 ft (4 m), WHA-P399-600C 19-5/8 ft (6 m), all with pigtail leads
* Reference Documentation: P399 Series Electronic Pressure Transducers Product/Technical Bulletin, Code No. LIT-125515; P399 Electronic Pressure Transducer Catalog Page, LIT-1900018
* Condition: New
Johnson Controls / Johnson Controls
P399AAC-1 / P399AAC1
P399AAC-1 / P399AAC1
Warranty Information
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