Indoor unit of air conditioner, and air conditioner

An air conditioner comprising:

• an indoor unit comprising:
• a chassis comprising:
• a condensate area;
• and
• an effluent area adjacent to the condensate area and positioned above the condensate area, wherein a portion of a bottom of the effluent area adjacent to the condensate area defines a water outlet hole;
• a washing module mounted on the chassis and comprising:
• a discharge pipe extending into the effluent area;
• a water box;
• and
• a water pump mounted to a lower end of the water box;
• and
• a water blocking structure arranged between the condensate area and the effluent area, the water blocking structure comprising a water baffle that is configured to inhibit liquid communication from the effluent area to the condensate area,
• wherein the bottom of the effluent area is inclined downwardly to the condensate area, and
• wherein the water pump further comprises a protruding edge protruding outwardly from an upper edge of the water pump and detachably connected to the lower end of the water box, wherein the water blocking structure is arranged on the protruding edge.