JP2020186855A - Installation method of heat exchange-type ventilation device, and heat exchange-type ventilation device - Google Patents

Abstract

To provide an installation method of a heat exchange-type ventilation device capable of securing a space for performing maintenance of a heat exchange-type ventilation device after completion of installation of the heat exchange-type ventilation device.SOLUTION: An installation method of a heat exchange-type ventilation device includes a first step for removing a package material from a heat exchange-type ventilation device package body, and a second step for installing the heat exchange-type ventilation device in a region where a side face of a housing is horizontally adjacent to an opening portion for maintenance formed on a ceiling surface. Further the installation method of the heat exchange-type ventilation device includes a third step for processing the package material so that a longitudinal length becomes an axial length of a heat exchanger or longer, and a fourth step for mounting the processed package material to the side face in a manner that an inserting/pulling-out direction to insert and pull out the heat exchanger to/from the housing, and a longitudinal direction of the processed package material are in parallel with each other, and a packaging material overlaps a space outside of the housing, necessary to insert/pull out the heat exchange to/from the housing through the opening portion, and positioned at an upper part of the opening portion for maintenance.SELECTED DRAWING: Figure 11

Description

The present invention relates to a method of installing a heat exchange type ventilator for installing a heat exchange type ventilator that exchanges heat between a supply air flow and an exhaust flow, and a heat exchange type ventilator.

Some heat exchange type ventilators are installed in the space behind the ceiling and supply and exhaust air through ducts. In most of these heat exchange type ventilators, a square pillar-shaped heat exchanger is placed in the center of the hexahedral box, and the guide is provided with the square pillar-shaped ridges facing up and down and horizontally. It is built in so that it can be taken in and out by rail. Then, the air supply airflow and the exhaust flow generated by the blower incorporated in two of the four compartments of the box body separated by the four ridges of the heat exchanger are passed through the heat exchanger to exchange heat. It has become like. As a heat exchange type ventilator of this kind, there is a heat exchange type ventilator disclosed in Patent Document 1.

Japanese Unexamined Patent Publication No. 2001-263752

However, in the space behind the ceiling, there are many obstacles such as beams supporting the ceiling material, columns, air conditioners, and ducts attached to the heat exchanger, which are obstacles to the maintenance of the heat exchange type ventilation system. Beams or ducts are often installed behind the ceiling after the heat exchange ventilator is installed behind the ceiling. Therefore, after installing the heat exchange type ventilator as described in Patent Document 1, there are cases where maintenance of the heat exchange type ventilator becomes impossible or maintenance of the heat exchange type ventilator is difficult. It was scattered.

The present invention has been made in view of the above, and the installation of the heat exchange type ventilator capable of securing a space for maintenance of the heat exchange type ventilator after the construction of the heat exchange type ventilator is completed. The purpose is to get a method.

In order to solve the above-mentioned problems and achieve the object, the method of installing the heat exchange type ventilation device according to the present invention has a pillar-shaped heat exchanger and an opening into which the heat exchanger can be inserted and removed formed on the side surface. A heat exchange type ventilator equipped with a housing for accommodating the heat exchanger is provided on the ceiling surface in the first step of removing the packing material from the heat exchange type ventilator packing body covered with the packing material. It includes a second step of installing a heat exchange type ventilator in a region where the sides of the housing are horizontally adjacent to the maintenance opening provided. In addition, the method of installing the heat exchange type ventilator is the third step of processing the packing material so that the length in the longitudinal direction is equal to or longer than the length in the axial direction of the heat exchanger, and the heat exchanger is attached to the housing. The insertion / removal direction is parallel to the longitudinal direction of the processed packing material, and the space required outside the housing for inserting / removing the heat exchanger from the housing through the opening overlaps. Includes a fourth step of mounting the processed packaging material to the sides so that it is located above the maintenance opening.

According to the method of installing the heat exchange type ventilator according to the present invention, it is possible to secure a space for maintenance of the heat exchange type ventilator after the construction of the heat exchange type ventilator is completed. ..

A perspective view of the heat exchange type ventilator package according to the first embodiment of the present invention as viewed from the top surface side of the heat exchange type ventilator. The perspective view which shows the structure of the heat exchange type ventilation apparatus which concerns on Embodiment 1 of this invention. Schematic diagram showing the configuration of the heat exchange type ventilation device according to the first embodiment of the present invention. Perspective view of the heat exchanger included in the heat exchange type ventilator according to the first embodiment of the present invention. Front view of the heat exchange type ventilator shown in FIG. 2 as viewed from the front side. Top view of the heat exchanger taken out from the housing shown in FIG. Schematic perspective view showing a state in which a packing material is attached to the front surface of the heat exchange type ventilator according to the first embodiment. Top view showing a state in which a packing material is attached to the front surface of the heat exchange type ventilation device according to the first embodiment and the packing material is arranged on the maintenance space of the ceiling surface behind the ceiling. Top view of the packing material according to the first embodiment of the present invention. Schematic sectional view showing a method of fixing the processed packing material to the front surface of the housing according to the first embodiment. A flowchart showing the procedure of the installation method of the heat exchange type ventilation device according to the first embodiment of the present invention.

Hereinafter, the method of installing the heat exchange type ventilator and the heat exchange type ventilator according to the embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.

Embodiment 1.
FIG. 1 is a perspective view of the heat exchange type ventilator packaging body 200 according to the first embodiment of the present invention as viewed from the top surface 51 side of the heat exchange type ventilator 100. The heat exchange type ventilator packing body 200 is a packing body in which the heat exchange type ventilator 100 is packed by the packing material 120. That is, FIG. 1 shows the packing state of the heat exchange type ventilation device 100 by the packing material 120. FIG. 2 is a perspective view showing the configuration of the heat exchange type ventilation device 100 according to the first embodiment of the present invention. Note that FIG. 2 shows a state in which the top surface 51 of the heat exchange type ventilation device 100 is removed. FIG. 3 is a schematic view showing the configuration of the heat exchange type ventilation device 100 according to the first embodiment of the present invention. FIG. 3 schematically shows the components provided inside the housing 5. Further, the solid line arrow in FIG. 3 indicates the flow of the supply air flow 21, and the broken line arrow indicates the flow of the exhaust flow 22. FIG. 4 is a perspective view of the heat exchanger 8 included in the heat exchange type ventilator 100 according to the first embodiment of the present invention. FIG. 4 shows a state in which the heat exchanger 8 is viewed from the same direction as in FIG. FIG. 5 is a front view of the heat exchange type ventilator 100 shown in FIG. 2 as viewed from the front 53 side.

The heat exchange type ventilator 100 is a ceiling-embedded heat exchange type ventilator that is attached to the space behind the ceiling and supplies and exhausts air through a duct. The heat exchange type ventilation device 100 can perform ventilation while exchanging heat between the air supply airflow 21 and the exhaust flow 22. The heat exchange type ventilation device 100 includes a housing 5 that constitutes an outer shell. The heat exchange type ventilation device 100 is a rectangular parallelepiped hexahedron having a top surface 51, a bottom surface 52, a front surface 53, a rear surface 54, an indoor side surface 55, and an outdoor side surface 56. The housing 5 has an outside air port 1 for taking in air from the outside, an exhaust port 2 for exhausting air to the outside, a return air port 3 for taking in air from the room, and an air supply port 4 for supplying air to the room. The outside air port 1 and the exhaust port 2 are provided on the outdoor side surface 56. Further, the return air port 3 and the air supply port 4 are provided on the indoor side surface 55.

An air supply ventilation passage 5A and an exhaust ventilation passage 5B are formed inside the housing 5. The air supply ventilation passage 5A is an air passage for supplying the outdoor air taken in from the outside air port 1 to the room through the air supply port 4. The exhaust ventilation passage 5B is an air passage for exhausting the indoor air taken in from the return air port 3 to the outside through the exhaust port 2.

The heat exchange type ventilator 100 includes a heat exchanger 8 that exchanges heat between the air supply airflow 21 and the exhaust flow 22. The heat exchanger 8 continuously exchanges heat between the air supply air 21 and the exhaust flow 22 by passing the air supply 21 and the exhaust flow 22 through the heat exchanger 8. The heat exchanger 8 has a quadrangular prism shape, is located in the middle of the air supply ventilation passage 5A and the exhaust ventilation passage 5B, and is arranged in the center of the housing 5. The heat exchanger 8 includes a square pillar-shaped total heat exchange element 80 and four heat exchanger frames 86 attached to each side extending along the axial direction of the total heat exchange element 80.

The heat exchanger 8 is in a state where the diagonal of the quadrangular prism is turned sideways in the vertical and horizontal directions, and the axial direction of the quadrangular prism is parallel to the top surface 51, the bottom surface 52, the indoor side surface 55, and the outdoor side surface 56. In this state, it is installed so as to straddle the front surface 53 and the rear surface 54. In the first embodiment, the axial direction of the heat exchanger 8 housed in the heat exchange type ventilator 100 is a direction parallel to the direction from the front surface 53 to the rear surface 54, and is in FIGS. 1, 2, and 4. Corresponds to the Y direction. Further, in the first embodiment, the vertical direction is a direction parallel to the direction from the top surface 51 to the bottom surface 52, and corresponds to the Z direction in FIGS. 1 to 3. Further, the left-right direction is a direction parallel to the direction from the indoor side surface 55 to the outdoor side surface 56, and corresponds to the X direction in FIGS. 1 to 3.

The heat exchanger 8 is made of specially processed paper and has a prismatic shape in which the cut surface cut in a plane perpendicular to the axial direction is square. The heat exchanger 8 may have a rectangular cut surface cut in a plane perpendicular to the axial direction, or may have a pillar shape in which the cut surface cut in a plane perpendicular to the axial direction is polygonal. It may be a thing. That is, the heat exchanger 8 may be formed in a polygonal columnar shape.

The heat exchanger 8 has a heat exchanger air supply air passage 83 having a laminated structure with a corrugated plate 82 adhered to the flat plate 81 and a heat exchanger exhaust ventilation passage having a laminated structure with a corrugated plate 84 adhered to the flat plate 81. It is a rectangular parallelepiped-shaped laminated structure in which a plurality of layers are laminated so as to be orthogonal to 85. The heat exchanger air supply air passage 83 constitutes a part of the air supply air passage 5A. The heat exchanger exhaust ventilation passage 85 constitutes a part of the exhaust ventilation passage 5B. In the square pillar shape of the heat exchanger 8, the sides extending along the axial direction are the four ridges in the stacking direction of the heat exchanger 8. The heat exchanger 8 is installed inside the housing 5 with the ridgeline portion facing in the vertical direction and the horizontal direction.

Of the four ridges of the heat exchanger 8, the heat exchanger frame 86a is attached to the ridge facing upward in the housing 5. Of the four ridges of the heat exchanger 8, the heat exchanger frame 86b is attached to the ridge facing downward in the housing 5. Of the four ridges of the heat exchanger 8, the heat exchanger frame 86c is attached to the ridge facing the right side in the housing 5. Of the four ridges of the heat exchanger 8, the heat exchanger frame 86d is attached to the ridge facing the left side in the housing 5. The right side in the housing 5 is the indoor side surface 55 side. The left side in the housing 5 is the outdoor side surface 56 side.

The heat exchanger frame 86a is connected to the inner surface of the top surface 51 with the heat exchanger 8 housed in the housing 5, and partitions the air supply ventilation passage 5A and the exhaust ventilation passage 5B in the left-right direction. The heat exchanger frame 86b is connected to the inner surface of the bottom surface 52 with the heat exchanger 8 housed in the housing 5, and partitions the air supply ventilation passage 5A and the exhaust ventilation passage 5B in the left-right direction.

Further, with the heat exchanger 8 housed in the housing 5, the partition wall 57 provided inside the housing 5 so as to connect to the heat exchanger frame 86c is provided with an air supply ventilation passage 5A and an exhaust ventilation. It partitions the road 5B in the vertical direction. Further, with the heat exchanger 8 housed in the housing 5, the partition wall 58 provided inside the housing 5 so as to connect to the heat exchanger frame 86d is provided with an air supply ventilation passage 5A and an exhaust ventilation. It partitions the road 5B in the vertical direction.

In the housing 5, the air supply blower 6 and the exhaust blower 7 are incorporated in two of the four compartments separated by the four heat exchanger frames 86 of the heat exchanger 8. FIG. 3 shows an example in which the air supply blower 6 and the exhaust blower 7 are incorporated in two compartments with the heat exchanger 8 on the suction side.

The air supply blower 6 is provided in a region downstream of the heat exchanger 8 in the air supply ventilation passage 5A. By operating the air supply blower 6, the air supply airflow 21 which is an air flow from the outside to the inside of the room advances and passes through the air supply ventilation passage 5A. The air supply blower 6 generates the air supply 21 by driving the motor 6a.

The exhaust blower 7 is provided in a region downstream of the heat exchanger 8 in the exhaust ventilation passage 5B. By operating the exhaust blower 7, the exhaust flow 22 which is an air flow travels from the room to the outside and passes through the exhaust ventilation passage 5B. The exhaust blower 7 generates an exhaust flow 22 by driving the motor 7a.

Further, at the four corners of the top surface 51 of the housing 5, ceiling suspension metal fittings 11 used when installing the housing 5 behind the ceiling are provided.

A maintenance cover 9 that covers the opening 59 provided in the front surface 53 is provided at a position facing the end surface of the heat exchanger 8 on the front surface 53 of the housing 5. The heat exchanger 8 is enclosed in the housing 5 by closing the maintenance cover 9, and the heat exchanger 8 can be taken in and out of the housing 5 through the opening 59 by opening the maintenance cover 9. Further, by removing the maintenance cover 9, each component housed in the housing 5 can be cleaned and replaced through the opening 59.

Regarding the holding of the maintenance cover 9 with the housing 5, the right end of the maintenance cover 9 is hooked on the maintenance cover hooking portion 14 attached to the area on the right side of the opening 59 on the front surface 53 of the housing 5. Similarly, the maintenance cover 9 is fixed to the front surface 53 of the housing 5 by hooking the left end of the maintenance cover 9 on the hinge wire 13 attached to the area on the left side of the opening 59 on the front surface 53 of the housing 5. To do.

A control box 10 is provided at a position closer to the indoor side surface 55 than the center of the front surface 53 of the housing 5. The control box 10 houses a control unit (not shown) inside. A remote controller (not shown) capable of communicating with the control unit is connected to the control box 10. The remote controller receives commands for various controls such as the ventilation operation of the heat exchange type ventilation device 100. The remote controller outputs various commands received from the user to the control unit. The control unit controls the ventilation operation of the heat exchange type ventilation device 100 and the like based on various commands input from the remote controller.

The lead wire 6b drawn from the motor 6a of the air supply blower 6 is connected to the control panel housed in the control box 10. Similarly, a lead wire (not shown) drawn from the exhaust blower 7 is connected to a control panel in the control box 10.

Further, an air filter may be provided in a region upstream of the heat exchanger 8 in the air supply ventilation passage 5A and the exhaust ventilation passage 5B.

At the time of shipment of the product, the heat exchange type ventilator 100 is packed by the packing material 120 for the heat exchange type ventilator 100 as shown in FIG. 1 and transported in a state of being a heat exchange type ventilator packing body 200. To. The heat exchange type ventilator 100 is placed on the pallet 110 with the bottom surface 52 facing down so that it can be lifted by a forklift or the like when handling the product, and the top surface is protected by the packing material 120 for the purpose of protecting the top surface of the product. 51 is covered. The packing material 120 is arranged apart from the top surface 51 in the vertical direction. Further, the heat exchange type ventilator 100 is placed on the packing material 130 arranged on the pallet 110 for the purpose of protecting the lower surface of the product. Then, the heat exchange type ventilator 100 is shipped in the state of the heat exchange type ventilator packing body 200 packed by being banded by the band 140 while being sandwiched between the packing material 120 and the packing material 130. Further, the cover 150 is hung on the heat exchange type ventilator package 200 during transportation.

Next, in order to secure a maintenance space after the installation of the heat exchange type ventilator 100 after the heat exchange type ventilator packaging body 200 according to the first embodiment described above is transported to the ceiling where the installation location is located. A method of calling attention to construction personnel by using the packing material 120 will be described.

FIG. 6 is a top view of the heat exchanger 8 taken out from the housing 5 shown in FIG. FIG. 6 shows a state in which the heat exchange type ventilation device 100 is suspended and installed behind the ceiling using the ceiling suspension metal fitting 11 as viewed from the top surface 51 side of the heat exchange type ventilation device 100.

As shown in FIG. 6, the width dimension of the heat exchanger 8 is defined as the width W1. The width dimension of the heat exchanger 8 is the dimension of the heat exchanger 8 in the direction parallel to the width direction of the front surface 53 when the heat exchanger 8 is housed in the housing 5. The width direction of the front surface 53 is the same as the width direction of the housing 5, and is a direction along the X direction. As shown in FIG. 6, the length of the heat exchanger 8 in the insertion / removal direction in which the heat exchanger 8 is inserted / removed from / from the housing 5 is defined as the length L1. The length of the heat exchanger 8 in the insertion / removal direction in which the heat exchanger 8 is inserted / removed from the housing 5 can be rephrased as the length in the axial direction of the heat exchanger 8, and the heat exchanger 8 is attached to the housing 5. On the other hand, it can be rephrased as the space length in the insertion / removal direction required for insertion / removal through the opening 59. The insertion / removal direction is a direction along the Y direction.

FIG. 7 is a schematic perspective view showing a state in which the packing material 120 is attached to the front surface 53 of the heat exchange type ventilation device 100 according to the first embodiment. FIG. 8 is a top view showing a state in which the packing material 120 is attached to the front surface 53 of the heat exchange type ventilation device 100 according to the first embodiment and the packing material 120 is arranged on the maintenance space of the ceiling surface 300 behind the ceiling. is there.

As shown in FIG. 8, for example, the maintenance space is an area of the ceiling surface 300 behind the ceiling that includes the ceiling inspection opening 310, which is a maintenance opening provided in the ceiling surface 300. The ceiling inspection opening 310 is used to perform maintenance on the heat exchanger 8, the motor, the filter, and the like, which are parts of the heat exchange type ventilator 100 that require regular maintenance after the construction of the heat exchange type ventilator 100 is completed. It is an opening provided for a person to enter the ceiling from the indoor side and for carrying in and out of parts.

During the construction period behind the ceiling for the construction of the heat exchange type ventilation device 100, the ceiling inspection opening which is a maintenance opening formed on the ceiling surface 300 for maintenance after the construction of the heat exchange type ventilation device 100 is completed. A state in which the packing material 120 processed to a size that serves as a guide for securing a space in which the heat exchanger 8 can be pulled out from the heat exchange type ventilator 100 above the 310 is arranged in the heat exchange type ventilator 100 is maintained. The ceiling inspection opening 310 is closed by a lid (not shown) except when necessary such as during maintenance. As a result, the maintenance space of the heat exchange type ventilator 100 is visualized, the operator is made aware of the space required for inserting and removing the heat exchanger 8, and the inside of the maintenance space of the heat exchange type ventilator 100 is used in other equipment construction. You can be alerted not to place anything in.

The heat exchange type ventilator 100 does not overlap with the ceiling inspection opening 310 in the plane direction parallel to the ceiling surface 300, that is, in the horizontal direction, and the bottom surface 52 and the front surface 53 of the heat exchange type ventilator 100 are ceiling inspection openings. It is installed in an area adjacent to 310. As a result, maintenance of the heat exchange type ventilation device 100 can be easily performed. The packing material 120 is installed in a region including the ceiling inspection opening 310 in a plane direction parallel to the ceiling surface 300 and adjacent to the front surface 53 of the heat exchange type ventilation device 100.

Then, in the first embodiment, the heat exchange type ventilator packing body 200 is disassembled and the packing material 120 removed from the heat exchange type ventilator 100 is processed to form the housing 5 of the heat exchange type ventilator 100. By being attached to the front surface 53, the maintenance space of the heat exchange type ventilator 100 is visualized, and caution is taken not to place anything in the maintenance space of the heat exchange type ventilator 100 in other equipment construction.

The packing material 120 removed from the heat exchange type ventilator 100 is processed by cutting and bending so that the length in the longitudinal direction is equal to or longer than the length in the axial direction of the heat exchanger 8. The length in the longitudinal direction is the length in the longitudinal direction of the surface parallel to the top surface 51 when the processed packing material 120 is attached to the front surface 53 of the housing 5. Then, the processed packing material 120 is attached to the front surface 53 of the housing 5 with the insertion / removal direction in which the heat exchanger 8 is inserted / removed from the housing 5 and the longitudinal direction of the processed packing material 120 in parallel. Be done.

That is, the length of the heat exchanger 8 in the insertion / removal direction in which the heat exchanger 8 is inserted / removed from the housing 5 is L1, and the insertion / removal direction of the packing material 120 that has been processed and attached to the front surface 53 of the housing 5. If the protruding length from the front surface 53 is L2, then L1 ≦ L2. The protruding length from the front surface 53 in the insertion / removal direction of the packing material 120 processed and attached to the front surface 53 of the housing 5 is the longitudinal direction of the packing material 120 processed and attached to the front surface 53 of the housing 5. In other words, it is the length, that is, the length from the front surface 53 to the tip in the insertion / removal direction.

Further, the packing material 120 removed from the heat exchange type ventilator 100 is processed by cutting and bending so that the length in the width direction is equal to or more than the width W1 which is the width dimension of the heat exchanger 8. The length in the width direction is the length in the width direction of the surface parallel to the top surface 51 when the processed packing material 120 is attached to the front surface 53 of the housing 5. Then, the processed packing material 120 is attached to the front surface 53 of the housing 5 with the width direction of the front surface 53 and the width direction of the processed packaging material 120 parallel to each other.

That is, assuming that the length in the width direction of the packing material 120 that has been processed and attached to the front surface 53 of the housing 5 is W2, W1 ≦ W2.

Such a packing material 120 is attached to the front surface 53 of the housing 5 so as to be located above the ceiling inspection opening 310, which is an opening for maintenance. As a result, the maintenance space of the heat exchange type ventilation device 100 can be visualized, and caution can be taken not to place anything in the maintenance space of the heat exchange type ventilation device 100 in other equipment construction.

FIG. 9 is a plan view of the packing material 120 according to the first embodiment of the present invention. FIG. 9 shows a packing material 120 in a state in which the heat exchange type ventilator packing body 200 is transported to the ceiling and then removed from the heat exchange type ventilator 100 and unfolded.

The packing material 120 is, for example, corrugated cardboard, and as shown in FIG. 9, is a mark representing an area corresponding to the space required on the ceiling surface 300 when the heat exchanger 8 is pulled out from the housing 5, and heat exchange. A mark indicating a position for cutting and bending the packing material 120 removed from the mold ventilator 100 is provided on the surface. In FIG. 9, the broken line 121 is a display line indicating a position where the packing material 120 removed from the heat exchange type ventilator 100 is bent. In FIG. 9, the solid line 122 is a display line indicating a position where the packing material 120 removed from the heat exchange type ventilator 100 is cut.

Instead of printing the display line on the surface, the packing material 120 may be formed by arranging slits, which are partially cut portions of the packing material 120 in the thickness direction, in a straight line. When a partial cut portion is formed on the packing material 120, the packing material 120 is easily bent and easily cut. It should be noted that the printing of the display line and the partially cut portion may be combined.

The operator cuts and bends the packing material 120 along the mark provided on the packing material 120. In the packing material 120 shown in FIG. 9, the unnecessary area 123 is cut and removed from the packing material 120. Further, after cutting the unnecessary region 123, the packing material 120 is bent along the broken line 121. As a result, the region 124 in FIG. 9 has a length in the longitudinal direction of L2 and a length in the width direction of W2. Here, W2 ≧ W1 and L2 ≧ L1.

FIG. 10 is a schematic cross-sectional view showing a method of fixing the processed packing material 120 to the front surface 53 of the housing 5 in the first embodiment.

The packing material 120 can be held by sandwiching the mounting area 125 in the packing material 120 processed along the display line shown in FIG. 9 between the maintenance cover 9 and the front surface 53. That is, as shown in the area 320 of FIG. 10, a packing material processed between the maintenance cover 9 fixed to the front surface 53 of the housing 5 by the hinge wire 13 and the maintenance cover hooking portion 14 and the front surface 53. By sandwiching the mounting area 125 of 120, the processed packing material 120 is held. That is, the heat exchange type ventilator 100 can attach the processed packing material 120 around the opening 59.

The method of attaching the processed packing material 120 to the housing 5 is not limited to the above method. As a method of fixing the processed packing material 120 to the housing 5, it is also possible to fix the packing material 120 and the housing 5 with tape such as curing tape or gum tape.

The state in which the packing material 120 is arranged in front of the maintenance cover 9 is maintained during the construction period of the attic after installing the housing 5 behind the ceiling using the ceiling mount metal fitting 11. It is possible to call attention not to place anything in the maintenance space of the heat exchange type ventilator 100. After the construction of the attic is completed, the packing material 120 attached to the housing 5 is removed from the housing 5 and discarded. Regarding the disposal of the packing material 120 removed from the housing 5, the packing material 120 is originally discarded when the product is delivered at the time of construction, and is not a newly generated process.

By arranging the processed packing material 120 on the front surface 53 of the housing 5, the ceiling is intentionally inspected for "obstructive things" until the site is completed or the piping-related work behind the ceiling is completed. The structure is provided on the opening 310. Then, since the packing material 120 is originally discarded after the construction is completed, the "obstructive material" may be discarded as it is.

By performing the above work, the timing of the installation work of the heat exchange type ventilation device 100 and the piping work behind the ceiling is different, and the contractor who performs the installation work of the heat exchange type ventilation device 100 and the piping work behind the ceiling. Even if they are different, it is possible to alert the contractor in the post-process by a simple method so as not to crush the maintenance space required for the maintenance of the heat exchange type ventilator 100, and the necessary maintenance space can be secured.

The method of attaching the packing material 120 to the housing 5 is not limited to the above method.

Next, a method of installing the heat exchange type ventilator 100 will be described. FIG. 11 is a flowchart showing the procedure of the installation method of the heat exchange type ventilation device 100 according to the first embodiment of the present invention.

First, in step S10, the heat exchange type ventilator packing body 200 that has been shipped and transported is disassembled, and the packing material 120 is removed from the housing 5 of the heat exchange type ventilator 100.

Next, in step S20, the heat exchange type ventilation device 100 is installed in a predetermined place behind the ceiling. That is, the housing 5 is suspended from the ceiling inspection opening 310, which is an opening for maintenance provided on the ceiling surface 300, in a region where the front surface 53 of the housing 5 is adjacent to each other in the horizontal direction by using the ceiling suspension bracket 11. Will be installed.

Next, in step S30, the packing material 120 is processed so that the length in the longitudinal direction is equal to or longer than the length in the axial direction of the heat exchanger 8. That is, the packing material 120 is bent and cut to a size that includes the ceiling inspection opening 310. Here, the length of the heat exchanger 8 in the insertion / removal direction in which the heat exchanger 8 is inserted / removed from the housing 5 is L1, and the processed packing material 120 attached to the front surface 53 is attached to the front surface 53 from the front surface 53 in the insertion / removal direction. When the protrusion length is L2, L1 ≦ L2.

Next, in step S40, the processed packing material 120 is attached to the front surface 53 of the housing 5. The front surface 53 of the housing 5 is one of the side surfaces of the housing 5 and is a side surface on which the opening 59 is formed. The processed packing material 120 is attached to the front surface 53 with the insertion / removal direction in which the heat exchanger 8 is inserted / removed from the housing 5 and the longitudinal direction of the processed packing material 120 in parallel. Further, the processed packing material 120 overlaps the space required outside the housing 5 for inserting and removing the heat exchanger 8 from the housing 5 through the opening 59, and is above the ceiling inspection opening 310. It is mounted around the opening 59 on the front surface 53 so that it is located.

By performing the above work, the heat exchange type ventilation device 100 is installed behind the ceiling. In addition, the maintenance space of the heat exchange type ventilation device 100 can be visualized, and the maintenance space can be secured by calling attention not to place anything in the maintenance space of the heat exchange type ventilation device 100 in other equipment construction. ..

Therefore, in the first embodiment, the packing material 120 moves from the first position, which is the position on the top surface 51 of the housing 5, to the second position, which is the front position of the front surface 53 of the housing 5. Therefore, it functions as a maintenance space securing unit for securing a maintenance space for the heat exchange type ventilation device 100.

As described above, in the method of installing the heat exchange type ventilator 100 according to the first embodiment, the top surface 51 is covered for the purpose of protecting the upper surface of the product during the transportation of the heat exchange type ventilator 100 at the time of shipment of the product. The packing material 120 is removed from the heat exchange type ventilator 100 and intentionally placed in front of the housing 5. As a result, the area covering the ceiling inspection opening 310 in the ceiling is the maintenance space until the site is completed or the installation work of the piping installed behind the ceiling and connected to the heat exchange type ventilation device 100 is completed. This can be alerted to the contractor in the post-process.

As a result, the maintenance space for the heat exchange type ventilator 100 behind the ceiling can be reliably secured. Therefore, the heat exchanger 8, the motor and the filter, which are parts that require regular maintenance after the construction of the heat exchange type ventilator 100 is completed, are required. Maintenance such as can be easily performed.

In addition, in order to call attention not to place anything in the maintenance space of the heat exchange type ventilation device 100, by installing a dedicated obstacle such as a pole, what is in the maintenance space of the heat exchange type ventilation device 100? It is also possible to call attention not to place. However, in this case, a work load such as arrangement, production, and disposal of a dedicated obstacle is generated.

On the other hand, in the installation method of the heat exchange type ventilator 100, the packing material 120 used for protecting the heat exchange type ventilator 100 during transportation is directly attached to the front surface 53 of the housing 5, and the entire heat exchange type ventilator 100 is installed. When the construction work is completed, it is only necessary to dispose of the packing material 120 as usual, so that the work load of arranging, producing, and disposing of a dedicated obstacle does not occur.

Therefore, according to the installation method of the heat exchange type ventilator 100 according to the first embodiment, a maintenance space for maintaining the heat exchange type ventilator 100 after the construction of the heat exchange type ventilator 100 is completed is secured. Has the effect of being possible.

The configuration shown in the above-described embodiment shows an example of the contents of the present invention, and the technologies of the embodiments can be combined with each other, or can be combined with another known technology. However, it is also possible to omit or change a part of the configuration without departing from the gist of the present invention.

1 Outside air port, 2 Exhaust port, 3 Return air port, 4 Air supply port, 5 Housing, 5A Air supply ventilation path, 5B Exhaust ventilation path, 6 Air supply blower, 6a, 7a motor, 6b lead wire, 7 Exhaust blower , 8 heat exchanger, 9 maintenance cover, 10 control box, 11 ceiling mount, 13 hinge wire, 14 maintenance cover hook, 21 air supply, 22 exhaust flow, 51 top surface, 52 bottom surface, 53 front surface, 54 rear surface , 55 indoor side, 56 outdoor side, 57,58 partition wall, 59 opening, 80 total heat exchange element, 81 flat plate, 82,84 corrugated sheet, 83 heat exchanger air supply ventilation path, 85 heat exchanger exhaust Ventilation passage, 86, 86a, 86b, 86c, 86d Heat exchanger frame, 100 heat exchange type ventilator, 110 pallet, 120, 130 packing material, 121 broken line, 122 solid line, 123 unnecessary area, 124 area, 125 mounting area, 140 bands, 150 covers, 200 heat exchange ventilator packaging, 300 ceiling surfaces, 310 ceiling inspection openings, 320 areas.

Claims (13)

A heat exchange type ventilator including a pillar-shaped heat exchanger and a housing having an opening on the side surface through which the heat exchanger can be inserted and removed to house the heat exchanger is covered with a packing material. The first step of removing the packing material from the replaceable ventilator packing body,
A second step of installing the heat exchange type ventilator in a region where the side surfaces of the housing are horizontally adjacent to each other in the maintenance opening provided on the ceiling surface in the ceiling.
The third step of processing the packing material so that the length in the longitudinal direction is equal to or longer than the length in the axial direction of the heat exchanger.
The heat exchanger is inserted and removed from the housing through the opening so that the insertion / removal direction in which the heat exchanger is inserted / removed from the housing is parallel to the longitudinal direction of the processed packing material. The fourth step of attaching the processed packing material to the side surface so as to overlap the required space outside the housing and to be located above the maintenance opening.
A method of installing a heat exchange type ventilator, which comprises. When the length of the heat exchanger in the insertion / removal direction is L1 and the protrusion length of the processed packing material attached to the side surface from the side surface in the insertion / removal direction is L2, L1 ≦ L2. ,
The method for installing a heat exchange type ventilation device according to claim 1. Attaching the packing material removed from the housing around the opening,
The method for installing a heat exchange type ventilator according to claim 1 or 2. Having a door that opens and closes the opening, and holding the processed packing material sandwiched between the door and the side surface.
The method for installing the heat exchange type ventilation device according to claim 3. The packing material shall be provided with a mark indicating a position where the packing material is processed.
The method for installing a heat exchange type ventilation device according to any one of claims 1 to 4, wherein the heat exchange type ventilator is installed. The mark is a display line printed on the packing material.
The method for installing the heat exchange type ventilation device according to claim 5. The mark is a partially cut portion in which the packing material is partially cut in the thickness direction.
The method for installing the heat exchange type ventilation device according to claim 5. When the width of the heat exchanger is W1 and the length of the processed packing material attached to the side surface in the width direction is W2, W1 ≦ W2.
The method for installing a heat exchange type ventilation device according to any one of claims 1 to 7, wherein the heat exchange type ventilation device is installed. A heat exchange type including a pillar-shaped heat exchanger, a housing in which an opening for inserting and removing the heat exchanger is formed on a side surface to house the heat exchanger, and a door for opening and closing the opening. It ’s a ventilation system,
The packing material for packing the heat exchange type ventilator whose longitudinal length is equal to or longer than the axial length of the heat exchanger is inserted and removed from which the heat exchanger is inserted and removed from the housing. The direction and the longitudinal direction of the packing material are parallel so as to overlap the space required outside the housing for inserting and removing the heat exchanger with respect to the housing through the opening. Being attached to the side surface,
A heat exchange type ventilation system characterized by. When the length of the heat exchanger in the insertion / removal direction is L1 and the protrusion length of the packing material from the side surface in the insertion / removal direction is L2, L1 ≦ L2.
The heat exchange type ventilation apparatus according to claim 9. The packing material is attached around the opening,
The heat exchange type ventilation apparatus according to claim 9 or 10. It has a door that opens and closes the opening, and the packing material is sandwiched and held between the door and the side surface.
11. The heat exchange type ventilation apparatus according to claim 11. When the width of the heat exchanger is W1 and the length of the packing material in the width direction is W2, W1 ≦ W2.
The heat exchange type ventilation apparatus according to any one of claims 9 to 12.

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