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flyinghigh
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HVAC Lexicon

05/20/2010 11:01 AM

Does RS = Refrigerant Suction? RL = Refrigerant Line? DX = ?
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Anonymous Poster
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Re: HVAC Lexicon

05/20/2010 1:58 PM

I know DX = Direct Expansion (expansion/flashing of refrigerant to obtain cooling)
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Tornado
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#2

Re: HVAC Lexicon

05/23/2010 12:44 AM

Yes, RS = refrigerant suction (vapor). RL = refrigerant liquid. As already described, DX = direct expansion.

While we're at it, TXV = thermostatic expansion valve, and SV = solenoid valve. As to compressors, FLA or RLA = rated load amps (normal running); LRA = locked rotor amps (compressor starting or stalled).

In ammonia refrigeration there can be a dozen or so different types of piping, each with similar designations.

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Anonymous Poster
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Re: HVAC Lexicon

06/01/2010 3:03 PM

DX = direct expansion
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