InstallationCâu 46 / 110
What is the recommended practice for supporting horizontal refrigerant and drain lines?
a.Leave them unsupported
b.Support only at the equipment
c.Provide supports at intervals to prevent sagging and maintain proper drain slope
d.Bury them without protection
Giải thích
Adequate, evenly spaced supports keep refrigerant lines from sagging and vibrating and maintain the continuous downward slope required for condensate drainage. Sagging drain lines create traps that hold water and cause overflow. Support intervals follow manufacturer and code guidance.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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