Allied Air 34m72 Low Ambient Control Kit Psc Ac Unit

Product Description

The ALLIED AIR 34m72 is a low ambient control kit rated for operation down to 30 degrees F, designed for use in PSC fan air conditioner units. The kit includes an S11 low ambient pressure switch assembly, a Schrader depressor tee, a seal cap, and two wire nuts — providing the core components needed for a complete low ambient installation in a single package. Licensed HVAC technicians install this kit to allow continued cooling or heat pump operation in colder ambient temperatures without low-pressure lockout. The 0.95 inch diameter fitting ensures proper integration at the refrigerant service port.

This low ambient kit is applied to PSC fan air conditioner units where seasonal or geographic conditions require the system to operate below the standard ambient temperature range. It is a direct OEM-referenced accessory for residential and light commercial split systems using a PSC fan motor configuration. The included hardware covers both the pressure switch and refrigerant circuit interface, reducing the need for separate component sourcing during installation.

Key Features

• Rated for low ambient operation down to 30 degrees F
• Includes S11 low ambient pressure switch assembly for reliable low-pressure control
• Schrader depressor tee allows pressure switch connection at the refrigerant circuit
• Seal cap and two wire nuts included for a complete installation
• 0.95 inch diameter fitting for proper service port interface
• Intended for PSC fan air conditioner unit applications

Compatibility

Designed for use on PSC fan air conditioner units as specified by the manufacturer. Refer to the unit service manual or the OEM part reference LB-101123A to confirm fitment before installation.

Installation Notes

Installation should be performed by a licensed HVAC technician with EPA Section 608 certification, as this kit interfaces with the refrigerant circuit. Shut off system power and recover or isolate refrigerant pressure at the service port before connecting the Schrader depressor tee. Follow the equipment manufacturer's wiring diagram when connecting the low ambient pressure switch to the control circuit. Do not exceed the pressure or temperature ratings of the switch assembly during commissioning.

Technical Specifications

• Product Type: Low Ambient Control Kit
• Low Ambient Rating: 30 degrees F
• Fitting Diameter: 0.95 inches
• Includes: S11 Low Ambient Pressure Switch Assembly, Schrader Depressor Tee, Seal Cap, 2 Wire Nuts
• Application: PSC Fan Air Conditioner Unit
• Status: Active

Standard Information

• Brand: ALLIED AIR
• Manufacturer Part Number: 34m72