| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inexpensive maintenance device of an air-conditioning indoor unit capable of preventing drainage from becoming slime by a simple constitution by supplying an anti-slime agent to a drain pan from the external. <P>SOLUTION: This maintenance device 45 of the air-conditioning indoor unit attached to the air-conditioning indoor unit having the drain pans 9, 10 receiving the drainage, and a drain pipe 18 for guiding the drainage received in the drain pans to the outside of a housing 3 for preventing the drainage from being slime, further comprises a chemical tank 46 disposed to the outside of the housing 3 and storing the anti-slime agent 47, an agent supply pipe 48 for supplying the anti-slime agent 47 from the chemical tank 46 to the drain pans 9, 10, a solenoid valve 50 disposed in the agent supply pipe 48 so as to be openable and closable, and an agent charge control means 52 for controlling the opening/closing of the solenoid valve 50 so that the anti-slime agent 47 is charged to the drain pans 9, 10 at each lapse of a charge interval time. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
