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Home > HVAC Controls > Pressure Controls A/C Refrigeration

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Pressure Switch .05-5" WC

Johnson Controls P32AC-2C Pressure Switch .05-5" WC

Johnson Controls P32AC-2C

Item#:

P32AC-2C

Manufacturer Item:

P32AC-2

Manufacturer:

JOHNSON CONTROLS, INC.

P32AC-2C_BROC

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Fan Cycling Control 100-470 psi SPST 1/4" Male Flare

Johnson Controls P170AA-400C Steel Automatic Reset High Pressure Controller, 690 psig, 4" W x 3-1/4" H x 2-1/16" D

Johnson Controls P170AA-400C

Item#:

P170AA-400C

Manufacturer Item:

P170AA-400C

Manufacturer:

JOHNSON CONTROLS, INC.

P170AA-400C_INSTALL

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Bitzer Electronic Lube Oil Control 90 Second Delay

SPDT relay contacts for liquid line solenoid and alarm applications -allows liquid line solenoid to be closed if the P545 control shuts off the compressor due to low oil pressure; provides alarm indication, including circuits that use neon lights.

Relay contact output for the compressor provides reliable, long-lasting operation. Built-in test circuit verifies proper control operation quickly without additional tools or equipment.

Improved noise immunity exceeds requirements of UL 991 for transient overvoltage: IEC 61000-4-3 for Radio Frequency and IEC 61000-4-6 for RF-induced conducted disturbances

Selection of anti-short cycle time delay - allows for choice of anti-short cycle strategy for a wide range of equipment requirements, possible elimination of external short cycle timer.

User-friendly display panel continuously displays status of the compressor lubrication system. Backwards compatibility -allows easy replacement existing electronic lube oil controls

P545NCB-25C

Item#:

P545NCB-25C

Manufacturer Item:

P545NCB-25C

Manufacturer:

JOHNSON CONTROLS, INC.

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Fan Cycling Control SPST Open Low 100-470 psi 36" Cap W/1/4" Flare Nut

Johnson Controls Penn P70AA-400C Single Pressure Control, 100 - 470 psi, SPST, 1/4" Flare Nut

Johnson Controls P70AA-400C

Item#:

P70AA-400C

Manufacturer Item:

P70AA-400C

Manufacturer:

JOHNSON CONTROLS, INC.

P70AA-400C_Spec

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High Pressure Control 50-450 psi 1/4" Male Flare

Johnson Controls Penn P70CA-2C High Pressure Control, 50 - 500 psig

All steel case and cover provides long lasting, rugged protection for internal components
Sight set calibrated pressure adjustment displays a visible pressure scale, fully adjustable through the range without removing the cover (on NEMA 1 enclosure models)
Manual reset lockout option provides trip-free lockout that cannot be overridden or reset until pressure returns to specified level
Variety of available pressure connection styles allows greater flexibility when mounting control and adapting pressure connections to field application requirements

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Johnson Controls P70CA-2C

Item#:

P70CA-2C

Manufacturer Item:

P70CA-2C

Manufacturer:

JOHNSON CONTROLS, INC.

P70CA-2C_SPEC

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Low Pressure Control Ammonia 20-100 psi 1/4" Female Flare

The P70 Controls for low pressure applications are designed primarily for low pressure cut-out control, pump-down control, and capacity control on commercial refrigeration and air conditioning applications. These controls are available in several pressure ranges and are compatible with most common refrigerants. They may also be used on other non-corrosive fluid applications. Ammonia-compatible models are also available.

All-steel case and cover built to provide long lasting, rugged protection for internal components
Sight-set calibrated pressure adjustment - displays a visible pressure scale, fully adjustable through the range without removing the cover
NEMA 1 enclosure, no adjustment knob
Ammonia compatible

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Johnson Controls P70AA-5

Item#:

P70AA-5

Manufacturer Item:

P70AA-5C

Manufacturer:

JOHNSON CONTROLS, INC.

P70AA-5_Spec

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Electronic Speed Control High Pressure 190-250 psi

Johnson Controls P66AAB-1C Electronic Fan Speed Control, 208 - 240/277/480 VAC, 60 Hz, 190 - 250 psig, 60" L Capillary

Single input sensor model
Start voltage - 10% of supply voltage
Electronic fan speed controls are refrigerant pressure actuated, electronic motor-speed controllers
Provide condenser pressure control by directly sensing condenser refrigerant pressure and automatically adjusting the condenser fan motor speed according to the sensed pressure
Provides an alternative to fan cycling control in many small and medium size refrigeration and heating, ventilating and air conditioning (HVAC) applications
Pressure transducer responds quickly to condenser pressure changes and condenser air delivery requirements
Soft start capability provides a smooth fan startup, which reduces motor-starting noise and abrupt changes in motor speed
Built-in voltage surge protection, radio frequency interference (RFI) suppression and ground terminal screw

Johnson Controls P66AAB-1C

Item#:

P66AAB-1C

Manufacturer Item:

P66AAB-1

Manufacturer:

JOHNSON CONTROLS, INC.

P66AAB-1C_Install

P66AAB-1C_Spec