Description

Danfoss 121L1756 is a fully hermetic fixed-speed scroll compressor built for reliable refrigeration and HVAC system performance where three-phase power and R407C refrigerant compatibility are required.

Designed for 380-415/460V operation at 50/60 Hz, this compressor supports stable capacity output in single-configuration systems while helping maintain efficient compression, reduced vibration, and dependable long-service operation.

The internal overload protector adds motor protection during demanding operating conditions, and the IP22 protection class supports use in approved equipment environments.

With a 1/2-inch discharge connection and 7/8-inch suction connection, the Danfoss 121L1756 is suited for compatible commercial cooling, air conditioning, and refrigeration applications requiring a three-phase 460V scroll compressor with fixed-speed performance and R407C system compatibility.

Danfoss 121L1756 directly replaces120U1756 Scroll Compressor.

Frequently Asked Questions

• What is the Danfoss 121L1756 used for?

The Danfoss 121L1756 is used for compression in compatible commercial refrigeration, HVAC, and air conditioning systems that require a fully hermetic fixed-speed scroll compressor.

• What refrigerant is compatible with the Danfoss 121L1756?

The Danfoss 121L1756 is designed for systems using R407C refrigerant.

• Is the Danfoss 121L1756 a fixed-speed compressor?

Yes. The Danfoss 121L1756 is a fixed-speed scroll compressor designed to provide stable compression output in approved system applications.

• Is the Danfoss 121L1756 a three-phase compressor?

Yes. The Danfoss 121L1756 is built for three-phase electrical service.

• Does the Danfoss 121L1756 include motor protection?

Yes. It includes an internal overload protector to help safeguard the motor during demanding operating conditions.

• What are the connection sizes on the Danfoss 121L1756?

The Danfoss 121L1756 features a 1/2-inch discharge connection and a 7/8-inch suction connection.

• What does fully hermetic mean on this compressor?

Fully hermetic means the compressor motor and compression mechanism are sealed within the compressor housing, helping reduce leakage points and supporting reliable operation in properly specified systems.