csr
so if i have only three letters and if i have three it will be fewer the answer is LESS! (I caught that when i read it) it was so easy!
The fad shop
rat
They all have 3 letters, but "red" and "tan" have exactly 3 letters.
'What' is a four letter word, 'for' a three letter word, 'which' has five letters, 'yet' is spelled with three while 'it' has only two.
run, start, and common.
The three letters on a compressor terminal block typically represent the electrical connections for the compressor motor: "C" for Common, "R" for Run, and "S" for Start. The Common terminal is the main power input, the Run terminal is connected to the motor windings for continuous operation, and the Start terminal is used for initiating the motor's operation. These connections are crucial for the proper functioning of the compressor in HVAC systems.
csr
Common Start Run
C = Common S = Start R = Run
C = Common S = Start R = Run
The three letters commonly found on compressor terminal blocks are "R," "S," and "T." These letters represent the different phases in a three-phase motor system, with "R" indicating the first phase, "S" the second phase, and "T" the third phase. In single-phase applications, you might see terminals labeled as "L" for line and "N" for neutral instead. Proper connection to these terminals is essential for the correct operation of the compressor.
The three block letters on a compressor typically refer to "CFC," "HCFC," or "HFC," which indicate the type of refrigerant used. CFCs (chlorofluorocarbons) and HCFCs (hydrochlorofluorocarbons) are being phased out due to their ozone-depleting properties, while HFCs (hydrofluorocarbons) are more environmentally friendly but still have global warming potential. Understanding these letters is crucial for proper refrigeration management and compliance with environmental regulations.
woodcut, old master print, block letters
They must be at least three inch block letters
A hermetic compressor typically has three terminals: one for the start winding, one for the run winding, and one for the common connection. These terminals are used to connect the compressor to the power supply and control circuitry. In some cases, there may also be an additional terminal for grounding. The specific configuration can vary depending on the compressor design and application.
1. Block letters have upright form. 2. They have strokes of uniform thickness. 3. They are constructed rather than written.