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

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NOCT-27545 & NRVT35-275 Tool Guide mbsmpro
8, Jan 2026
NOCT-27545 & NRVT35-275 Tool Guide

The NOCT-27545 ratchet wrench and NRVT35-275 flaring tool represent specialized HVAC instrumentation. This guide explains their functions, from creating perfect 45° flares to reaming tubing and driving fasteners in tight spaces, ensuring leak-free, professional installations.

DIY 1000W AC Voltage Regulator, BT136 TRIAC mbsmpro
8, Jan 2026
DIY 1000W AC Voltage Regulator, BT136 TRIAC

Achieve total control over your workshop machinery with the 1000 Watt AC dimmer circuit featuring the BT136 TRIAC. This professional-grade regulator is designed for 220V applications, allowing you to fine-tune the RPM of angle grinders and bench grinders. Explore our detailed component analysis and safety comparisons to build your own…

Auto Draft mbsmpro
5, Jan 2026
Compressor, FN66Q11G, 1/6 hp

The Matsushita FN66Q11G is a highly reliable 1/6 hp reciprocating compressor designed for low back pressure applications. Operating on 220-240V at 50Hz, this R12-based unit was manufactured in Singapore and is known for its long-lasting performance in domestic refrigerators. Learn about its cooling capacity, amperage, and modern replacement options in…

Copeland CS16K6E-PFZ-155 Compressor mbsmpro
5, Jan 2026
Copeland CS16K6E-PFZ-155 Compressor

The Copeland CS16K6E-PFZ-155 is a high-efficiency hermetic reciprocating compressor designed for commercial refrigeration. Operating at 220-240V and 50Hz, this 1.25 HP powerhouse is optimized for R404A and R507 refrigerants. Known for its durability in medium-temperature applications, it features POE oil and thermal protection, making it a reliable choice for cold…

Compressor, LG, BMH089NHMV, 1/4 hp mbsmpro
5, Jan 2026
Compressor, LG, BMH089NHMV, 1/4 hp

The LG BMH089NHMV is a 1/4 HP inverter compressor utilizing R600a refrigerant for high-efficiency refrigeration. With a variable speed range of 60-225 Hz and a displacement of 8.9 cc/rev, this BLDC motor unit provides precise cooling capacity up to 188W, making it ideal for modern household and commercial LBP applications.

Compressor, Embraco, PW 5.5 K11W, 1/6 hp mbsmpro
5, Jan 2026
Compressor, Embraco, PW 5.5 K11W, 1/6 hp

The Embraco PW 5.5 K11W is a 1/6 HP Low Back Pressure (LBP) compressor designed for R12 refrigeration systems. Known for its reliability and dual-frequency 50/60Hz operation, this Brazilian-made unit delivers 133W of cooling capacity. Explore our deep dive into its electrical specifications, performance tables, and comparison with modern HVAC…

8‑pin and 11‑pin relay bases are common in control panels mbsmpro
5, Jan 2026
8‑pin and 11‑pin relay bases are common in control panels

8‑pin and 11‑pin relay bases are common in control panels, but miswiring coil and contact terminals can burn a load or keep a circuit from switching. This guide explains each pin function, shows practical wiring logic for NO/NC contacts, and compares 8‑pin DPDT sockets with 11‑pin 3PDT sockets for automation…

BASIC TN1900 Refrigerator Compressor mbsmpro
4, Jan 2026
BASIC TN1900 Refrigerator Compressor

The BASIC TN1900 represents a medium-displacement hermetic reciprocating compressor engineered for low back pressure refrigeration applications. This Syrian-manufactured unit operates on R134a refrigerant with 220-240V 50/60Hz power supply, delivering 200-250W cooling capacity at -30°C to -10°C evaporating temperatures with RSIR motor technology

HITACHI FL20S88NAA Compressor mbsmpro
4, Jan 2026
HITACHI FL20S88NAA Compressor

The HITACHI FL20S88NAA 0.75 HP hermetic scroll compressor delivers 256W cooling capacity at 50Hz, utilizing HFC-134a refrigerant for household refrigerator-freezer applications. This LBP-classified unit operates reliably at 220-240V with RSIR starting method, integrated into Sharp's SJ-PT73R-HS3 model offering 662-liter gross capacity with Hybrid Cooling System and Plasmacluster technology.

Embraco EM2Z 80HL.C compressor requires approximately 150 ml Oil mbsmpro
4, Jan 2026
Embraco EM2Z 80HL.C compressor requires approximately 150 ml Oil

The Embraco EM2Z 80HL.C is a robust hermetic reciprocating compressor engineered for refrigeration efficiency. Featuring a 1/4 HP motor and optimized for R134a refrigerant, this Brazilian-made unit delivers reliable Low Back Pressure (LBP) performance. This guide details its 150ml oil charge, electrical specs, and competitive advantages for technicians.