Abstract: The ceiling concealed air-conditioning apparatus includes: a body containing a heat exchanger, a fan and an opening port; a decorative panel disposed below the body and configured to cover a periphery of the opening port; and a suction grille including, a rotary shaft attachable to the decorative panel and being configured to cover the opening port, wherein the suction grille includes: a locking element mounted on the suction grille so that it can slide and configured to be locked with the decorative panel; plate springs on respective sides of the locking element perpendicular to a sliding direction of the locking element and extending vertically in opposite directions; and spring supports configured to support both end faces of the respective plate springs at different positions, the plate springs include a long plate spring and a short plate spring placed such that the long plate spring engages the decorative panel first.

Abstract: A conduit attachment component with a box shape in an indoor unit of an air-conditioning apparatus includes a first component, a second component, and a third component. The second component and the third component are removably attached to the first component. The second component includes a first plate portion to which a conduit is connected. The third component includes a second plate portion. Any one of a plurality of side portions of the conduit attachment component is a first side portion, and a side portion of the plurality of side portions, adjacent to the first side portion, is a second side portion. In a first state, the first plate portion is the first side portion, and the second plate portion is the second side portion. In a second state, the first plate portion is the second side portion, and the second plate portion is the first side portion.

Abstract: An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.

Abstract: A packing component includes a first outer packing part and a second outer packing part that define a box-like side wall. The first outer packing part includes a first side part, a first bend part, and a first joining part. The first side part defines a portion of an outer surface of the side wall. The first bend part is disposed along one edge of the first side part, and has a first identification part presenting information related to the first outer packing part. The first joining part is connected to the first side part across the first bend part. The second outer packing part is joined to the first joining part such that the second outer packing part is contiguous to the first bend part and the first side part. The second outer packing part has a second side part defining another portion of the outer surface of the side wall.

Abstract: An indoor unit for a ceiling-concealed air-conditioning apparatus includes an indoor-unit body having an air inlet at a bottom, a decorative panel provided at the bottom of the indoor-unit body and serving as a design surface, and an inlet grille flap rotatably supported by the decorative panel and covering the air inlet. The inlet grille flap is provided with rotational-axis hinges positioned on both sides at one edge of the inlet grille flap and serving as a rotational axis of the inlet grille flap, and a latch part positioned between the two rotational-axis hinges and projecting from the one edge. The decorative panel has a flange positioned below the latch part and supporting the latch part from below when the inlet grille flap is closed.

Abstract: An air-conditioning apparatus includes a body, a decorative panel attached to a lower surface of the body defining a lower surface of the air-conditioning apparatus, an air-inlet grille that can rotate to open and close and is attached to an air inlet of the decorative panel, and a shaft disposed on the decorative panel. The shaft is movable along an axis of rotation of the air-inlet grille. The shaft includes a shaft body, a pivot protruding from one end face of the shaft body in a moving direction of the shaft, and a rib extending parallel to the pivot. The air-inlet grille has a mating portion into which the pivot is inserted to support rotation of the air-inlet grille. The pivot engages the air-inlet grille at a first limit of a movable range of the shaft. The rib engages the decorative panel while the pivot is fitted in the mating portion.

Abstract: A ceiling concealed indoor unit and an air-conditioning apparatus equipped therewith includes a body; and a body decorative panel installed below the body, in which the body decorative panel includes a pair of guide ribs disposed to be opposite to each other and adapted to accept passage of a rail of an auxiliary decorative panel coupled to the body decorative panel.

Abstract: An indoor unit of an air-conditioning apparatus includes: a main body provided with an opening port; and a rectangular decorative panel attached to the main body to cover the opening port. The decorative panel includes a rectangular suction grille provided to face the opening port of the main body. The suction grille has one side rotatably supported on one side of the decorative panel, and is detachably attached to the decorative panel. The one side of the suction grille and the one side of the decorative panel are secured to each other by a plurality of fall prevention strings. The decorative panel is provided with two panel claw portions to which the plurality of fall prevention strings are to be hooked. The suction grille is provided with two grille claw portions to each of which respective end portions of the plurality of fall prevention strings are to be hooked.

Abstract: A ceiling concealed air-conditioning apparatus includes: a box-shaped air-conditioning apparatus body having an open bottom; and an exterior panel attached to an underside of the air-conditioning apparatus body. The exterior panel includes: a panel body covering the open bottom of the air-conditioning apparatus body; and a panel unit removably attached to a lower part of the panel body. The panel body includes an opening at an area where the panel unit is attached to the panel body, and further includes a string hanger to hang a string at a corner of the opening, the string hanger being integral with the panel body and protruding to an inside of the opening. The panel unit includes a holding part to hold the string on a surface of the panel unit facing the panel body, the holding part being integral with the panel unit.

Abstract: The ceiling concealed air-conditioning apparatus includes: a body containing a heat exchanger, a fan and an opening port; a decorative panel disposed below the body and configured to cover a periphery of the opening port; and a suction grille including, a rotary shaft attachable to the decorative panel and being configured to cover the opening port, wherein the suction grille includes: a locking element mounted on the suction grille so that it can slide and configured to be locked with the decorative panel; plate springs on respective sides of the locking element perpendicular to a sliding direction of the locking element and extending vertically in opposite directions; and spring supports configured to support both end faces of the respective plate springs at different positions, the plate springs include a long plate spring and a short plate spring placed such that the long plate spring engages the decorative panel first.

Abstract: Provided is a ceiling-concealed air-conditioning apparatus, including: an air-conditioning apparatus main body having an air inlet formed in a lower portion thereof; an electrical component box arranged on a side of the air-conditioning apparatus main body, and includes a switch configured to operate the air-conditioning apparatus main body, and arranged on a lower portion of the electrical component box; and a decorative panel arranged below the air-conditioning apparatus main body and the electrical component box to serve as a decorative surface, the decorative panel including: a suction grille arranged so as to be openable and closable and configured to cover the air inlet; and a side panel arranged below the electrical component box, the side panel including an openable and closable cover arranged so as to be openable and closable and configured to cover the switch when the openable and closable cover is closed, the openable and closable cover including a protruding portion protruded on a side portion of

Abstract: A ceiling-embedded air-conditioning apparatus includes a main body, a decorative panel, an air inlet grille and side panels. The main body includes an indoor heat exchanger and an indoor fan. The decorative panel is attached to the main body from an opening side of the main body. The air inlet grille is provided on a design side of the decorative panel. The side panels are provided on the left and right sides of the air inlet grille. The decorative panel is provided with an opening portion which allows suspension metal fittings of the main body to be operated and also an electrical device or a pipe connection portion provided at the main body to be handled, with the decorative panel attached to the main body, after the side panels are detached from the decorative panel, the air inlet grille being rotated to be in the opened state.

Abstract: In an indoor unit of an air-conditioning apparatus, an air inlet for room air is provided at a position lower than a height position of a drain pan. A partition plate is provided to partition a space below a height position of the drain pan in a housing. A pipe connecting portion connected to a refrigerant pipe of an outdoor unit is provided in one part of the partitioned space and a heat exchanger and a fan are placed in the other part of the partitioned space. At least one communicating path is formed in the partition plate to communicate the two parts of the partitioned space with each other. The indoor unit can include a controller for activating a fan when leakage of refrigerant is detected or for closing the communicating path when leakage of refrigerant is detected.

Abstract: A ceiling concealed air-conditioning apparatus includes: a box-shaped air-conditioning apparatus body having an open bottom; and an exterior panel attached to an underside of the air-conditioning apparatus body. The exterior panel includes: a panel body covering the open bottom of the air-conditioning apparatus body; and a panel unit removably attached to a lower part of the panel body. The panel body includes an opening at an area where the panel unit is attached to the panel body, and further includes a string hanger to hang a string at a corner of the opening, the string hanger being integral with the panel body and protruding to an inside of the opening. The panel unit includes a holding part to hold the string on a surface of the panel unit facing the panel body, the holding part being integral with the panel unit.

Abstract: A ceiling concealed indoor unit and an air-conditioning apparatus equipped therewith includes a body; and a body decorative panel installed below the body, in which the body decorative panel includes a pair of guide ribs disposed to be opposite to each other and adapted to accept passage of a rail of an auxiliary decorative panel coupled to the body decorative panel.

Abstract: An indoor unit for an air-conditioning apparatus includes: a protruding piece protruding horizontally from a decorative panel; an engagement member on a back surface of a suction panel, slidable with respect to the protruding piece in a front-and-back direction of the indoor unit, and configured to be locked to the protruding piece; plate springs, which are provided at both ends of the engagement member, and extend in directions opposite to each other to be orthogonal to a sliding direction of the engagement member; and spring support portions, formed on the suction panel, and configured to sandwich both end surfaces of each of the plate springs at different positions, in which, when the engagement member slides in a retreating direction of the engagement member by the protruding piece, the plate springs urge the engagement member toward the protruding piece with the spring support portions as supporting points.

Abstract: An indoor unit of an air-conditioning apparatus includes: a main body provided with an opening port; and a rectangular decorative panel attached to the main body to cover the opening port. The decorative panel includes a rectangular suction grille provided to face the opening port of the main body. The suction grille has one side rotatably supported on one side of the decorative panel, and is detachably attached to the decorative panel. The one side of the suction grille and the one side of the decorative panel are secured to each other by a plurality of fall prevention strings. The decorative panel is provided with two panel claw portions to which respective portions of the plurality of fall prevention strings are to be hooked. The suction grille is provided with two grille claw portions to each of which respective end portions of the plurality of fall prevention strings are to be hooked.

Abstract: An air-conditioning apparatus includes a body, a decorative panel defining a lower surface of the body, an air-inlet grille that can rotate to open and close and is attached to an air inlet of the decorative panel, and a shaft disposed on the decorative panel. The shaft is movable along an axis of rotation of the air-inlet grille. The shaft includes a shaft body, a pivot protruding from one end face of the shaft body in a moving direction of the shaft, and a rib extending parallel to the pivot. The air-inlet grille has a mating portion into which the pivot is inserted to support rotation of the air-inlet grille. The pivot engages the air-inlet grille at a first limit of a movable range of the shaft. The rib engages the decorative panel while the pivot is fitted in the mating portion.

Abstract: An indoor unit for a ceiling-concealed air-conditioning apparatus includes an indoor-unit body having an air inlet at a bottom, a decorative panel provided at the bottom of the indoor-unit body and serving as a design surface, and an inlet grille flap rotatably supported by the decorative panel and covering the air inlet. The inlet grille flap is provided with rotational-axis hinges positioned on both sides at one edge of the inlet grille flap and serving as a rotational axis of the inlet grille flap, and a latch part positioned between the two rotational-axis hinges and projecting from the one edge. The decorative panel has a flange positioned below the latch part and supporting the latch part from below when the inlet grille flap is closed.

Abstract: An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.