Condensation From a High Efficiency Furnace
High efficiency furnaces, also known as 90% furnaces or condensing furnaces, use two heat exchangers to remove more heat from…
Tag: basic training
Evaporator Coil Corrosion: Why Do Some Corrode Faster Than Others?
Indoor coil corrosion followed by leak failure has been an issue in the HVAC industry for a long time. Although…
48GC Package Unit & System Sensor Smoke Detector D4120 Setup
Smoke detectors can be used in many different residential and commercial applications. They can be utilized using the smoke shutdown…
Toshiba/Carrier U-Series Installation and Troubleshooting: L11 and E17 Error Codes
Installation of a heat recovery VRF system allows multi-zone heating and cooling. A heat recovery system allows you to heat…
Ductless Systems: Solid vs Stranded Wire
There are many different options and advantages to using a ductless mini-split system. From new construction installation to a retrofit…
Tech Mate Pro: Fast, Accurate ECM Testing
Working on any system that has an Electronically Commutated Motor (ECM) is always a challenge. This type of motor receives…
Understanding Furnace Fault Codes 13 and 31
With the implementation of near-field communication boards (NFC) installed in certain products offered by Mingledorff’s, the use of apps is…
How to Measure the Voltage on Triac Output
A triac is an electronic switch, very much like a transistor. Triacs are commonly used in light dimmers, motor speed…
Relays and Relay Capabilities (RIBU1C & RIBU2C)
There are many capabilities and functions of RIB relays. The RIBU1C and the RIBU2C are two of the most common…
Finding Manuals Without an Account
Carrier/ Bryant/Heil has a website that houses all theirmanuals. This includes install, product data, product submittal, service manuals, accessory kit,…
