Tech Experts Edition: Tandems and Trios

This podcast episode is all about tandems, trios and nomenclature! Lindsay, John, and James decode a common compressor nomenclature and explain the difference between even and uneven tandems. We also provide various marketing bulletins based on tandem/single compressor replacements, run cycle, staging, and oil balancing.

Host: Lindsay Headings – Digital Marketing and Content Manager, Emerson
Co-Hosts:

• James Stevenson – Technical Service Engineer, Emerson
• John Roberts – Technical Service Engineer, Emerson

Timestamps:

• 0:10 – Welcome
• 1:30 – Challenges of tandems and trios
• 2:08 – Using multiples for capacity control
• 4:26 – How far back does the use of semi-hermetic go back?
  
• 5:32 – Even and uneven tandems & trios
• 6:51 – Nomenclature
  
• 8:00 – Identifying and replacing a tandem
• 8:53 – Different applications for tandems and trios
• 9:56 – Oil levels
• 12:46 – Replacing compressors
• 14:12 – Ideal scenarios when replacing a single compressor in a multiples installation versus the entire system
• 16:35 – AE bulletins referenced in the podcast
  • A44 –1331 – ZP16 to ZP44K3E and ZP14 to ZP61K5E R-410A 1.5 to 5 Ton Copeland Scroll Compressors
  • AE4 – 1365 – 5 to 12 Ton ZP*K3, ZP*KC, and ZP*KW R-410A Copeland Scroll Compressors for Air Conditioning
  • AE4 – 1303 – 7 to 15 Ton ZR*KC and ZP*KC Copeland Scroll Compressors
• 17:23 – Charge limits and crankcase heater
• 18:26 – Question of the week

Next Episode: The New Copeland Online Product Information Tool and Copeland Mobile App
Previous Episode: Preventive Maintenance

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