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

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SECOP SC21G COMPRESSOR mbsmpro
11, Jan 2026
SECOP SC21G COMPRESSOR

Secop SC21G is a high-performance hermetic reciprocating compressor designed for commercial refrigeration and freezing applications using R134a refrigerant. This guide covers detailed specifications, technical parameters, and installation requirements for 220-240V/50Hz systems at up to 1.3 amperes.

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…

Electrical unit conversion reference table: HP to watts, KVA to amps, tons refrigeration to kW mbsmpro
9, Jan 2026
Electrical unit conversion reference table: HP to watts, KVA to amps, tons refrigeration to kW

Electrical unit conversions are essential knowledge for HVAC technicians and refrigeration engineers. This comprehensive reference guide provides quick access to conversion formulas, technical specifications, and practical examples for comparing power ratings, calculating system requirements, and optimizing equipment selection across different measurement standards.

Mitsubishi Ashiki MUY-JX22VF electrical technical data interpretation mbsmpro
9, Jan 2026
Mitsubishi Ashiki MUY-JX22VF electrical technical data interpretation

Master the skill of reading AC nameplate specifications with this comprehensive technical guide. Learn to decode model numbers, interpret voltage and amperage ratings, identify refrigerant types, calculate cooling capacity, determine tonnage, and understand all electrical information displayed on your air conditioning unit nameplate.

ORIENT Inverter AC Error Codes mbsmpro
9, Jan 2026
ORIENT Inverter AC Error Codes

Discover comprehensive troubleshooting for ORIENT inverter AC systems. This complete error code guide covers E-series, F-series, P-series, and L-series fault codes with detailed solutions for sensor issues, communication failures, compressor problems, and electrical protection systems affecting your cooling performance.