Harmony of static pressure air duct relay TJY5A-0.3/110V positive pressure relay TJJ2-18/21 relay, TJY5A-0.3/10 positive pressure air duct, air duct relay TJY5-0.3/10 negative pressure relay TJJ2-18/21 splitter starting relay TJQ1S splitter starting relay TJQ2S relay DJY-0.3, air pressure switch, pressure switch TJY11-4.8/11, TJY12-4.5/11, TJY13-3.0/11 pressure switch, pressure relay TJY3-1.5/11, wind pressure TJY3A-4.5/11 relay, air pressure relay TJY3B-6/11 TAG：