The S-Class™ rooftop product line includes 50-ton models featuring R-410A refrigerant and factory-installed electric heat as an option. Efficiencies up to 9.5 EER and 11.2 IPLV are available. The electric heat factory option is available of 35- to 50-ton models and can provide up to four stages of operation.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue