York Sunline Magnum 15- to 25-ton packaged cooling and heating

York Sunline Magnum 15- to 25-ton packaged cooling and heating from Johnson Controls ZJ models feature four independent scroll compressors with individual refrigeration circuits for efficient part-load operation. Four stages of cooling mean more economical and comfortable cooling. ZR and ZF models are two-stage units with two compressors. In all models, vibration and noise are minimized through sound muffling and isolation of the compressors’ internal spring. The energy efficiency ratio (EER) of the line ranges from 10.4 to 12.4. Gas/electric units have electronic spark ignition and power vented combustion with steady state efficiencies (SSE) of 80%. For more information, click here .

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