Technical data, tools and notes for refrigeration and electronics technicians.

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Samsung MSE4A1Q‑L1G AK1, hermetic reciprocating refrigerator compressor mbsmpro
10, Jan 2026
Samsung MSE4A1Q‑L1G AK1, hermetic reciprocating refrigerator compressor

The Samsung MSE4A1Q‑L1G AK1 is a hermetic reciprocating refrigerator compressor designed for domestic LBP applications with R600a refrigerant and a nominal cooling capacity around 175–180 W at ASHRAE conditions, equivalent to roughly 1/4 hp. Engineers value this model for its efficient RSCR motor and robust design.​

Carrier Inverter AC Error Codes, Indoor and Outdoor Protection mbsmpro
10, Jan 2026
Carrier Inverter AC Error Codes, Indoor and Outdoor Protection

Carrier inverter air conditioners use detailed error codes to protect the compressor, sensors, and inverter electronics. Codes such as E0, F0, P0, and P6 reveal EEPROM faults, outdoor AC current problems, IPM module errors, and DC bus voltage issues, giving HVAC technicians a clear roadmap for safe, accurate troubleshooting and…

Coil Rewinding, Universal Motor, 550 W mbsmpro
10, Jan 2026
Coil Rewinding, Universal Motor, 550 W

Coil rewinding for a 550‑watt universal mixer‑grinder motor with a 48 mm core is more than just replacing burnt copper. The technician must reproduce the original 210+80 turn field coils with SWG 25 wire, respect the high‑medium‑low speed connections, and follow best rewinding practices to keep torque, speed, and temperature…

LG Inverter AC Error Codes: Indoor and Outdoor Unit Professional Guide mbsmpro
10, Jan 2026
LG Inverter AC Error Codes: Indoor and Outdoor Unit Professional Guide

LG inverter air conditioner error codes give technicians a precise window into what is happening inside both indoor and outdoor units. From simple room temperature sensor faults to complex IPM and DC peak alarms, decoding these numbers correctly is critical for fast, safe, and accurate HVAC troubleshooting on modern LG…

mbsmgroup2026-01-10_214148-mbsmpro mbsmpro
10, Jan 2026
HVAC Basics: Compressors, Ducts, Filters, and Real‑World Applications

HVAC basics start with understanding how compressors, ducts, and filters work together to move heat and clean air in any building. From reciprocating and scroll compressors to rectangular and circular ducts, each choice affects comfort, energy efficiency, and reliability in residential, commercial, industrial, and data center applications.

Brass Male Flare Union Fittings for Refrigeration and HVAC Systems mbsmpro
10, Jan 2026
Brass Male Flare Union Fittings for Refrigeration and HVAC Systems

Brass male flare union fittings are essential components in refrigeration and HVAC systems, providing reliable mechanical connections between flared copper tubes without the need for brazing. These brass flare unions support a wide operating temperature range and are widely used for service connections, line extensions, and removable joints in air‑conditioning…