The "hysteresis" or temperature swing allowed before the compressor kicks back in.

Understanding the display icons allows for quick diagnostics without entering the menu:

Evaporator probe (Probe 2) failure. Often affects defrost termination.

The "Setpoint" is the target temperature you want the refrigerated space to maintain.

Indicates the unit is currently in a defrost cycle.

Support for NTC or PTC probes (temperature sensors).

The SB655 C uses a tiered menu system to prevent accidental changes. To access the configuration parameters: Press and hold the key for more than 5 seconds. The first parameter label (e.g., diF or CP ) will appear. Scroll through parameters using the arrow keys.

The SB655 C should be mounted in a dry area. If installed in a high-moisture environment, ensure the front gasket is properly sealed to maintain its IP rating.

Whether you are an HVAC technician or a facility manager, understanding the is essential for optimizing system performance and preventing downtime. This article breaks down the key technical aspects of the device. 1. Technical Specifications Overview