JP2011058734A - Method of controlling fan of air conditioner, and air conditioner - Google Patents

Method of controlling fan of air conditioner, and air conditioner Download PDF

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JP2011058734A
JP2011058734A JP2009209394A JP2009209394A JP2011058734A JP 2011058734 A JP2011058734 A JP 2011058734A JP 2009209394 A JP2009209394 A JP 2009209394A JP 2009209394 A JP2009209394 A JP 2009209394A JP 2011058734 A JP2011058734 A JP 2011058734A
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heat exchanger
air
fan
air temperature
speed table
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JP4852635B2 (en
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Hideaki Michizu
英昭 道津
Daisuke Asagiri
大介 朝桐
Kei Misumi
圭 三隅
Toru Suzuki
徹 鈴木
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Sekisui Chemical Co Ltd
Chofu Seisakusho Co Ltd
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Sekisui Chemical Co Ltd
Chofu Seisakusho Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method of controlling a fan of an air conditioner and an air conditioner capable of preventing people from being given a feeling of cold wind in heating operation. <P>SOLUTION: This air conditioner includes: a heat exchanger 11 for heating air; a temperature sensor 12 for measuring the temperature of the heat exchanger 11; fans 16, 17 and 18 provided corresponding to blow-out ducts 13, 14 and 15 for separately supplying the air heated by the heat exchanger 11 to a plurality of places including the inside of a room; and a control device 19 for detecting the temperature of the heat exchanger 11 through the temperature sensor 12 and for controlling rotation of the fans 16, 17 and 18. The control device 19 includes a rotating speed table setting the number of rotation of the fans 16, 17 and 18 in response to the temperature of the heat exchanger 11 per the fan 16, 17 and 18. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、熱交換器により加熱された空気を、室内を含む複数の場所に、それぞれファン及び吸引ダクトを経由して供給する空気温調機のファン制御方法及び空気温調機に関する。 The present invention relates to a fan control method and an air temperature controller for an air temperature controller that supplies air heated by a heat exchanger to a plurality of places including a room via a fan and a suction duct, respectively.

熱交換器により空気を加熱して直接吹出口より室内に供給する空気温調機では、熱交換器が十分に暖まっていない状態でファンを回転すると、室内に居る人に冷風感を与える低温の空気を室内に供給することになる。そこで、この空気温調機では、ファンの回転数を落とし、あるいは、ファンを一時的に停止し、熱交換器から多くの熱を奪わないようにして、早期に熱交換器が暖まるようにする熱交換器の昇温制御を行い、熱交換器が十分に暖まった後に、通常の暖房運転を開始していた（例えば、特許文献１参照）。 In an air temperature controller that heats air with a heat exchanger and supplies it directly into the room through the air outlet, if the fan is rotated while the heat exchanger is not sufficiently warm, the low temperature Air will be supplied indoors. Therefore, in this air temperature controller, the heat exchanger is warmed early by reducing the number of rotations of the fan or temporarily stopping the fan so as not to take much heat from the heat exchanger. After the temperature increase control of the heat exchanger was performed and the heat exchanger was sufficiently warmed up, normal heating operation was started (see, for example, Patent Document 1).

しかし、この技術においては、空気温調機を部屋の中に設置する必要があり、複数の部屋の暖房を行うことはできないという問題がある。そこで、暖房を行う室内ごとに空気温調機を設置する代わりに、特許文献２に記載するように、一台で、複数の室内を暖房する空気温調機が提案されている。この空気温調機には、加熱された空気を送るファンに複数の吹出ダクトが接続され、暖房する各室内に吹出ダクトの空気の出側が配置されており、吹出ダクトを経由して暖かい空気が室内に供給される。なお、空気温調機は、室内に加え、床下を暖房することもできる。 However, in this technique, it is necessary to install an air temperature controller in a room, and there is a problem that heating of a plurality of rooms cannot be performed. Therefore, instead of installing an air temperature controller for each room where heating is performed, an air temperature controller that heats a plurality of rooms with a single unit has been proposed as described in Patent Document 2. In this air temperature controller, a plurality of blowout ducts are connected to a fan that sends heated air, and the air outlet side of the blowout ducts is arranged in each room to be heated, and warm air passes through the blowout ducts. Supplied indoors. The air temperature controller can also heat the floor under the room.

特開第２０００−２３４７８８号公報JP 2000-234788 A 特許第３７４４６８４号公報Japanese Patent No. 3744684

しかしながら、引用文献２に記載の技術においては、吹出ダクトが長くなるにつれ静圧が大きくなり、ダクトを進む空気の速度は下がるので、吹出ダクトの長さが異なる場合には、各吹出ダクトに同じ初速度で空気を送り込むと、吹出ダクトから室内に出る時点での空気の速度は、吹出ダクトごとに異なることになる。なお、一般的に、人が冷風を当てられ感じる冷風感は、冷風の温度と速度に関係し、同じ温度であっても、速度が速いほど、人に与える冷風感は増すことになる。
本発明は、かかる事情に鑑みてなされるもので、暖房運転の際に、人に対して冷風感を与えるのを防止する空気温調機のファン制御方法及び空気温調機を提供することを目的とする。 However, in the technique described in the cited document 2, the static pressure increases as the length of the air duct increases, and the speed of the air passing through the duct decreases. Therefore, if the length of the air duct is different, the same for each air duct. When air is sent in at the initial speed, the speed of the air at the time of exiting from the blowout duct into the room is different for each blowout duct. In general, the feeling of cold wind felt by a person is related to the temperature and speed of the cold air. Even at the same temperature, the feeling of cold wind given to the person increases as the speed increases.
This invention is made | formed in view of this situation, and provides the fan control method of an air temperature controller and an air temperature controller which prevent giving a cold wind feeling to a person in the case of heating operation. Objective.

前記目的に沿う本発明に係る空気温調機のファン制御方法は、熱交換器によって加熱された空気を、室内を含む複数の場所にそれぞれファン及びこれに接続される吹出ダクトを経由して供給し、暖房を行う空気温調機のファン制御方法であって、前記熱交換器の温度が所定値未満の場合、前記複数の場所に温風を供給する前記ファンのそれぞれの回転数を、予め前記熱交換器の温度に応じて前記ファン毎に個別に決めた回転速度テーブルに基づいて決定する。 A fan control method for an air temperature controller according to the present invention that meets the above-described object is to supply air heated by a heat exchanger to a plurality of places including a room via a fan and a blowout duct connected to the fan. In the fan control method of the air temperature controller for heating, when the temperature of the heat exchanger is less than a predetermined value, the rotational speed of each of the fans that supply hot air to the plurality of locations is set in advance. It is determined based on a rotational speed table determined individually for each of the fans according to the temperature of the heat exchanger.

本発明に係る空気温調機のファン制御方法において、前記ファン毎に個別に決めた回転速度テーブルは、該空気温調機の暖房停止時間に応じて、前記ファンの回転数が異なる高速用テーブルＡと低速用テーブルＢとを有し、該空気温調機の暖房停止時間（暖房運転の停止時間）が予め設定された所定時間Ｔ以下の場合には前記高速用テーブルＡを用い、該空気温調機の暖房停止時間が該所定時間Ｔを超える場合には前記低速用テーブルＢを用いるのが好ましい。 In the fan control method for an air temperature controller according to the present invention, the rotational speed table individually determined for each fan is a high-speed table in which the rotational speed of the fan varies depending on the heating stop time of the air temperature controller. A and a low-speed table B. When the heating stop time (heating operation stop time) of the air temperature controller is equal to or less than a predetermined time T set in advance, the high-speed table A is used. When the heating stop time of the temperature controller exceeds the predetermined time T, it is preferable to use the low speed table B.

前記目的に沿う本発明に係る空気温調機は、空気を加熱する熱交換器と、該熱交換器の温度を計測する温度センサと、該熱交換器によって加熱された空気を室内を含む複数の場所にそれぞれ個別に供給する吹出ダクトに対応して設けられたファンと、前記温度センサを介した前記熱交換器の温度の検知及び該ファンの回転制御を行う制御装置とを備え、
前記制御装置は、前記熱交換器の温度が所定値未満の場合に用いる、前記熱交換器の温度に応じて前記ファンの回転数を定めた回転速度テーブルを前記各ファン毎に備える。 An air temperature controller according to the present invention that meets the above object includes a heat exchanger that heats the air, a temperature sensor that measures the temperature of the heat exchanger, and a plurality of air that is heated by the heat exchanger, including a room. A fan provided corresponding to each of the blowout ducts to be individually supplied to the place, and a control device for detecting the temperature of the heat exchanger via the temperature sensor and controlling the rotation of the fan,
The control device includes a rotation speed table for each of the fans, which is used when the temperature of the heat exchanger is lower than a predetermined value, and the number of rotations of the fan is determined according to the temperature of the heat exchanger.

本発明に係る空気温調機において、前記ファン毎に個別に決めた回転速度テーブルは、該空気温調機の暖房停止時間に応じて、前記ファンの回転数が異なる高速用テーブルＡと低速用テーブルＢとを有し、該空気温調機の暖房停止時間が予め設定された所定時間Ｔ以下の場合には前記高速用テーブルＡを用い、該空気温調機の暖房停止時間が該所定時間Ｔを超える場合には前記低速用テーブルＢを用いるのが好ましい。 In the air temperature controller according to the present invention, the rotation speed table individually determined for each of the fans is different from the high speed table A and the low speed table having different fan rotation speeds according to the heating stop time of the air temperature controller. Table B, and when the heating stop time of the air temperature controller is equal to or less than a predetermined time T set in advance, the high-speed table A is used, and the heating stop time of the air temperature controller is the predetermined time. When T is exceeded, the low speed table B is preferably used.

請求項１及び２記載の空気温調機のファン制御方法は、熱交換器の温度が所定値未満の場合、ファンのそれぞれの回転数を、個別に決めた回転速度テーブルに基づいて決定するので、吹出ダクトごとに静圧が異なっても、吹出ダクトから吹出される空気の速度を個別に定めることができ、人に冷風感を与えない速度に調整することができる。 In the fan control method for an air temperature controller according to claims 1 and 2, when the temperature of the heat exchanger is less than a predetermined value, the number of rotations of each fan is determined based on an individually determined rotation speed table. Even if the static pressure is different for each blowout duct, the speed of the air blown from the blowout duct can be individually determined, and can be adjusted to a speed that does not give a feeling of cold air to a person.

請求項２記載の空気温調機のファン制御方法は、空気温調機の暖房停止時間が予め設定された所定時間Ｔ以下の場合には高速用テーブルＡを用い、空気温調機の暖房停止時間が所定時間Ｔを超える場合には低速用テーブルＢを用いるので、空気温調機の暖房停止時間が長く、吹出ダクトが冷えきった状態のときには、吹出ダクトが冷えていない状態のときに比べて、吹出ダクトから出される空気を低速度にして、人に冷風感を与えない速度に調整可能である。 The fan control method for an air temperature controller according to claim 2 uses the high-speed table A when the heating stop time of the air temperature controller is equal to or less than a predetermined time T set in advance, and stops heating the air temperature controller. When the time exceeds the predetermined time T, the low-speed table B is used, so that the heating stop time of the air temperature controller is long, and when the blowout duct is cooled, the blowout duct is not cooled. Thus, the air discharged from the blowout duct can be adjusted to a low speed so as not to give a cold wind to the person.

請求項３及び４記載の空気温調機は、制御装置が、熱交換器の温度が所定値未満の場合に用いる、熱交換器の温度に応じてファンの回転数を定めた回転速度テーブルを各ファン毎に備えるので、吹出ダクトごとに静圧が異なっても、吹出ダクトから吹出される空気の速度を個別に決定することができ、人に冷風感を与えない速度に調整することができる。 The air temperature adjuster according to claim 3 and 4, wherein the controller uses a rotation speed table in which the rotation speed of the fan is determined according to the temperature of the heat exchanger, which is used when the temperature of the heat exchanger is less than a predetermined value. Since it is provided for each fan, even if the static pressure is different for each blowout duct, the speed of the air blown out from the blowout duct can be determined individually, and it can be adjusted to a speed that does not give a feeling of cold air to people. .

請求項４記載の空気温調機は、空気温調機の暖房停止時間が予め設定された所定時間Ｔ以下の場合には高速用テーブルＡを用い、空気温調機の暖房停止時間が所定時間Ｔを超える場合には低速用テーブルＢを用いるので、空気温調機の暖房停止時間が長く、吹出ダクトが冷えきった状態のときには、吹出ダクトが冷えていない状態のときに比べて、吹出ダクトから出される空気を低速度にして、人に冷風感を与えない速度に調整可能である。 The air temperature controller according to claim 4 uses the high-speed table A when the heating stop time of the air temperature controller is equal to or less than a predetermined time T set in advance, and the heating stop time of the air temperature controller is a predetermined time. When T exceeds T, the low-speed table B is used, so that the heating stop time of the air temperature adjuster is long, and when the blowing duct is cooled, the blowing duct is compared with when the blowing duct is not cooled. It is possible to adjust the speed of the air discharged from the air to a low speed that does not give a feeling of cold air to the person.

本発明の一実施の形態に係る空気温調機の平断面図である。It is a plane sectional view of the air temperature controller concerning one embodiment of the present invention. 同空気温調機を用いる空気温調システムの概略説明図である。It is a schematic explanatory drawing of the air temperature control system using the air temperature controller.

続いて、添付した図面を参照しつつ、本発明を具体化した実施の形態につき説明し、本発明の理解に供する。
図１、図２に示すように、本発明の一実施の形態に係る空気温調機１０は、空気を加熱する熱交換器１１と、熱交換器１１の温度を計測する温度センサ１２と、熱交換器１１によって加熱された空気を複数の場所、即ち複数（ここでは２）の室内及び床下にそれぞれ個別に供給する吹出ダクト１３、１４、１５に対応して設けられたシロッコファン（ファンの一例）１６、１７、１８と、温度センサ１２を介した熱交換器１１の表面温度の検知及びシロッコファン１６、１７、１８の回転制御を行う制御装置１９とを備え、各室内の暖房、冷房、及び除湿と床下暖房とをする装置である。以下、これらについて詳細に説明する。 Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
As shown in FIGS. 1 and 2, an air temperature controller 10 according to an embodiment of the present invention includes a heat exchanger 11 that heats air, a temperature sensor 12 that measures the temperature of the heat exchanger 11, and A sirocco fan (of a fan) provided corresponding to blowout ducts 13, 14, 15 for individually supplying air heated by the heat exchanger 11 to a plurality of places, that is, a plurality of (in this case, two) rooms and under the floor. An example) 16, 17 and 18 and a control device 19 for detecting the surface temperature of the heat exchanger 11 through the temperature sensor 12 and controlling the rotation of the sirocco fans 16, 17 and 18 are provided. And a device that performs dehumidification and underfloor heating. Hereinafter, these will be described in detail.

熱交換器１１、温度センサ１２、及びシロッコファン１６、１７、１８は鉄、アルミ等からなる箱状の筐体２０内に配置され、熱交換器１１の下側には、空気温調機１０による室内の冷房及び除湿の最中に熱交換器１１の表面に生じる水滴を受けるドレーン受け２１が設けられている。なお、筐体２０は、外側が図示しない断熱材で覆われているので、筐体２０に内在する空気が、外気によって大きな温度変化を受けるのを防止している。 The heat exchanger 11, the temperature sensor 12, and the sirocco fans 16, 17, and 18 are disposed in a box-shaped housing 20 made of iron, aluminum, or the like, and an air temperature controller 10 is disposed below the heat exchanger 11. A drain receiver 21 is provided for receiving water droplets generated on the surface of the heat exchanger 11 during indoor cooling and dehumidification. In addition, since the housing | casing 20 is covered with the heat insulating material which is not shown in figure, the air which exists in the housing | casing 20 is prevented from receiving a big temperature change with external air.

また、筐体２０には、ドレーン受け２１に溜まった水を筐体２０の外に排出するドレーン管２２と、ドレーン受け２１に溜まった水の水位を計測する水位センサ２３とが取り付けられており、制御装置１９は、水位センサ２３を介して、ドレーン管２２の詰まり等により、ドレーン受け２１に一定高さ以上の水が溜まったことを検知したとき、水漏れ防止のために空気温調機１０の運転を停止（具体的には、シロッコファン１６、１７、１８の回転の停止等）を行う。 In addition, a drain pipe 22 that discharges water accumulated in the drain receiver 21 to the outside of the casing 20 and a water level sensor 23 that measures the water level accumulated in the drain receiver 21 are attached to the casing 20. When the control device 19 detects that water of a certain height or more has accumulated in the drain receiver 21 due to the clogging of the drain pipe 22 or the like via the water level sensor 23, the air temperature controller is used to prevent water leakage. 10 is stopped (specifically, the rotation of the sirocco fans 16, 17, 18 is stopped).

吹出ダクト１３、１４、１５は、内側に空気が流出する開口部を備えた円環状の吹出部材２５、２６、２７を介して筐体２０にそれぞれ連結されている。
吹出ダクト１３、１４の空気の出側は、異なる室内、例えば、２階の寝室（以下、単に「寝室」ともいう）と１階のリビング（以下、単に「リビング」ともいう）にそれぞれ配置され、シロッコファン１６、１７の回転により、熱交換器１１で熱交換された空気を、寝室及びリビングにそれぞれ供給し、室内暖房、室内冷房、及び室内除湿を行う。 The blowout ducts 13, 14, and 15 are connected to the housing 20 via annular blowout members 25, 26, and 27 each having an opening through which air flows out.
The air outlets of the blowout ducts 13 and 14 are arranged in different rooms, for example, a bedroom on the second floor (hereinafter simply referred to as “bedroom”) and a living room on the first floor (hereinafter also simply referred to as “living room”). The air exchanged by the heat exchanger 11 is supplied to the bedroom and the living room by the rotation of the sirocco fans 16 and 17, respectively, and indoor heating, indoor cooling, and indoor dehumidification are performed.

一端部が吹出部材２７を介して筐体２０に連結された吹出ダクト１５の他端部には、床下の異なる方向に空気を放出する吹出チャンバ２８が取り付けられており、熱交換器１１によって加熱された空気は、シロッコファン１８の回転により吹出部材２７及び吹出ダクト１５を経由して吹出チャンバ２８から床下に供給され、床下暖房がなされる。
なお、吹出部材２５、２６、２７には、吹出部材２５、２６、２７にそれぞれ接続されているシロッコファン１６、１７、１８の回転により生じる送風圧によって、吹出部材２５、２６、２７の開口部をそれぞれ開き、シロッコファン１６、１７、１８の停止時に各開口部をそれぞれ閉じる図示しない開閉板を取り付け可能であり、吹出部材２５、２６、２７の開口部を介して筐体２０の外側から内側に空気が流入するのを防止することができる。 A blowout chamber 28 for releasing air in different directions under the floor is attached to the other end of the blowout duct 15 whose one end is connected to the housing 20 via the blowout member 27, and is heated by the heat exchanger 11. The air thus supplied is supplied under the floor from the blowout chamber 28 via the blowout member 27 and the blowout duct 15 by the rotation of the sirocco fan 18, and underfloor heating is performed.
The blowing members 25, 26, 27 have openings of the blowing members 25, 26, 27 due to the blowing pressure generated by the rotation of the sirocco fans 16, 17, 18 connected to the blowing members 25, 26, 27, respectively. Opening and closing plates (not shown) that close the openings when the sirocco fans 16, 17, and 18 are stopped can be attached, and the opening of the blowing members 25, 26, and 27 can be attached from the outside to the inside of the housing 20. It is possible to prevent air from flowing into the tank.

また、筐体２０には、内側に空気が流入する開口部を備えた円環状の吸込部材２９、３０、３１、３２が設けられ、筐体２０への空気の流入経路である吸込ダクト３３、３４、３５、３６が、吸込部材２９、３０、３１、３２を介して筐体２０にそれぞれ連結されている。そして、シロッコファン１６、１７、１８の回転により、筐体２０内には、吸込ダクト３３、３４、３５、３６及び吸込部材２９、３０、３１、３２を介して空気が取り込まれる。
筐体２０の下部四隅には、筐体２０を設置面から所定高さ（例えば１０〜５０ｍｍの高さ）に保持する高さ調整部材３７が装着されており、筐体２０の高さを調整可能である。
また、制御装置１９は、制御装置１９へのほこり等の付着を防止する収納部蓋３８によって覆われ、筐体２０の側壁部に固定されている。 Further, the housing 20 is provided with annular suction members 29, 30, 31, 32 having openings through which air flows inward, and suction ducts 33, which are air inflow paths to the housing 20, 34, 35, and 36 are connected to the housing 20 via suction members 29, 30, 31, and 32, respectively. Then, by the rotation of the sirocco fans 16, 17, 18, air is taken into the housing 20 through the suction ducts 33, 34, 35, 36 and the suction members 29, 30, 31, 32.
Height adjusting members 37 that hold the casing 20 at a predetermined height (for example, a height of 10 to 50 mm) from the installation surface are attached to the lower four corners of the casing 20 to adjust the height of the casing 20. Is possible.
In addition, the control device 19 is covered with a storage lid 38 that prevents dust and the like from adhering to the control device 19, and is fixed to the side wall portion of the housing 20.

図２に示すように、シロッコファン１６、１７、１８、温度センサ１２、及び水位センサ２３は、制御装置１９に接続されており、制御装置１９には、シロッコファン１６、１７、１８の回転制御、具体的には回転速度（回転数）の変更や、回転の開始及び停止を行うプログラムが格納された、例えば、マイクロコンピュータが搭載されている。
また、この制御装置１９に搭載されたマイクロコンピュータには、水位センサ２３を介してドレーン受け２１に一定高さ以上の水が溜まったのを検知したときシロッコファン１６、１７、１８の回転等を停止し水漏れを防止するプログラムも格納されている。 As shown in FIG. 2, the sirocco fans 16, 17, 18, the temperature sensor 12, and the water level sensor 23 are connected to the control device 19, and the control device 19 controls the rotation of the sirocco fans 16, 17, 18. Specifically, for example, a microcomputer in which a program for changing the rotation speed (the number of rotations) and starting and stopping the rotation is stored is mounted.
Further, the microcomputer mounted in the control device 19 detects rotation of the sirocco fans 16, 17, 18, etc. when it detects that water of a certain height or more has accumulated in the drain receiver 21 via the water level sensor 23. A program that stops and prevents water leakage is also stored.

制御装置１９には、液状の冷媒をガス化し、あるいは、ガス状の冷媒を液化して、熱交換器１１に送る室外機３９が信号接続されており、室外機３９は、制御装置１９から送信される信号に従って、冷媒をガス化、又は液化して、熱交換器１１へ送り出す。
室外機３９は、冷媒ガス配管４０及び冷媒液配管４１によって熱交換器１１に接続され、
室内及び床下を暖房する際、室外機３９によって高温高圧のガスにされた冷媒は、冷媒ガス配管４０を通って熱交換器１１に送られ、熱交換器１１で冷却され液化された後に冷媒液配管４１を通って室外機３９に戻る。そして、この熱交換器１１での冷媒の液化により生じる凝縮熱で空気を加熱して室内及び床下に送り室内の暖房をすることができる。
また、室内の冷房及び除湿の際には液状の冷媒が、冷媒液配管４１を介して室外機３９から熱交換器１１に送られ、熱交換器１１で加熱されガス状にされた後に、冷媒ガス配管４０を介して室外機３９に戻る。そして、この熱交換器１１で冷媒がガス状になる際に生じる蒸発熱で室内の冷房及び除湿を行う。 The control unit 19 is connected to an outdoor unit 39 that gasifies the liquid refrigerant or liquefies the gaseous refrigerant and sends the refrigerant to the heat exchanger 11. The outdoor unit 39 transmits the signal from the control unit 19. In accordance with the received signal, the refrigerant is gasified or liquefied and sent to the heat exchanger 11.
The outdoor unit 39 is connected to the heat exchanger 11 by a refrigerant gas pipe 40 and a refrigerant liquid pipe 41,
When heating the room and under the floor, the refrigerant converted into high-temperature and high-pressure gas by the outdoor unit 39 is sent to the heat exchanger 11 through the refrigerant gas pipe 40, cooled and liquefied by the heat exchanger 11, and then the refrigerant liquid It returns to the outdoor unit 39 through the pipe 41. Then, the air can be heated by the condensation heat generated by the liquefaction of the refrigerant in the heat exchanger 11 and sent to the room and under the floor to heat the room.
In the case of indoor cooling and dehumidification, a liquid refrigerant is sent from the outdoor unit 39 to the heat exchanger 11 through the refrigerant liquid pipe 41 and heated by the heat exchanger 11 to be in a gaseous state. It returns to the outdoor unit 39 through the gas pipe 40. The heat exchanger 11 cools and dehumidifies the room with the heat of evaporation generated when the refrigerant becomes gaseous.

制御装置１９には、暖房、冷房の温度設定等が行われる操作盤４２が、信号接続され、操作盤４２を介し、制御装置１９と無線による信号の送受信を行うリモコン４３が、操作盤４２に無線接続されている。リモコン４３では、暖房、冷房の設定温度の入力等を行うことができ、リモコン４３でなされた入力は、例えば赤外線通信により操作盤４２に設けられた赤外線通信部に送信され、制御装置１９に伝達される。
そして、空気温調機１０、室外機３９、操作盤４２、及びリモコン４３を有して空気温調システム４４が構成されている。 An operation panel 42 for performing heating and cooling temperature settings and the like is connected to the control device 19 via a signal, and a remote control 43 that transmits and receives signals to and from the control device 19 via the operation panel 42 is connected to the operation panel 42. Wireless connection is established. The remote controller 43 can input a set temperature for heating and cooling. The input made by the remote controller 43 is transmitted to the infrared communication unit provided on the operation panel 42 by, for example, infrared communication and transmitted to the control device 19. Is done.
The air temperature control system 44 is configured to include the air temperature controller 10, the outdoor unit 39, the operation panel 42, and the remote controller 43.

制御装置１９は、熱交換器１１の表面温度が所定値（例えば３５℃）未満の場合に、通常の室内暖房及び床下暖房のときよりシロッコファン１６、１７、１８の回転数を下げて、シロッコファン１６、１７、１８の回転制御をする。
即ち、制御装置１９は、熱交換器１１の表面温度が３５℃未満の場合の、熱交換器１１の表面温度に応じてシロッコファン１６、１７、１８の回転数を定めた（例えば、表面温度が低い程、回転数を下げた）回転速度テーブルをシロッコファン１６、１７、１８毎に備えており、温度センサ１２を介して熱交換器１１の表面が３５℃未満であるのを検知したとき、各回転速度テーブルに従って、シロッコファン１６、１７、１８を回転制御する。 When the surface temperature of the heat exchanger 11 is less than a predetermined value (for example, 35 ° C.), the control device 19 reduces the rotational speed of the sirocco fans 16, 17, and 18 compared to normal indoor heating and underfloor heating, The rotation of the fans 16, 17, 18 is controlled.
That is, the control device 19 determines the number of rotations of the sirocco fans 16, 17, and 18 according to the surface temperature of the heat exchanger 11 when the surface temperature of the heat exchanger 11 is less than 35 ° C. (for example, the surface temperature When the rotation speed table is provided for each of the sirocco fans 16, 17, and 18, and the surface of the heat exchanger 11 is detected to be less than 35 ° C. via the temperature sensor 12. The sirocco fans 16, 17, and 18 are controlled to rotate according to each rotation speed table.

更に、制御装置１９は、操作盤４２又はリモコン４３で室内暖房又は床下暖房を終了する入力が行われてから、次に室内暖房又は床下暖房を開始する入力が行われるまでの時間を計測して、室内暖房又は床下暖房を停止していた時間（空気温調機１０の暖房停止時間）を検知し、その暖房停止時間に応じて、しかも、熱交換器１１の表面が３５℃未満の表面温度に応じたシロッコファン１６、１７、１８の回転数を決定可能である。 Further, the control device 19 measures the time from when the input for ending the indoor heating or underfloor heating is performed on the operation panel 42 or the remote controller 43 until the next input for starting the indoor heating or underfloor heating is performed. The time during which the indoor heating or the underfloor heating has been stopped (the heating stop time of the air temperature controller 10) is detected, and the surface temperature of the heat exchanger 11 is less than 35 ° C. according to the heating stop time. It is possible to determine the rotational speed of the sirocco fans 16, 17, and 18 according to the above.

即ち、シロッコファン１６、１７、１８にそれぞれ設定される（備えられる）回転速度テーブルを、室内暖房又は床下暖房を停止していた時間に応じて、シロッコファン１６、１７、１８の回転数が異なる高速用テーブルＡと低速用テーブルＢによって構成する。具体的には、高速用テーブルＡ及び低速用テーブルＢにそれぞれ、熱交換器１１の表面温度に対応し、温度が高くなるにつれ、大きい値のファン回転数が定められ、低速用テーブルＢは、高速用テーブルＡより小さい値のファン回転数が定められている。 That is, the rotational speed tables set (provided) for the sirocco fans 16, 17, and 18 respectively vary in the rotational speeds of the sirocco fans 16, 17, and 18 depending on the time during which the indoor heating or the underfloor heating is stopped. A high speed table A and a low speed table B are used. Specifically, each of the high-speed table A and the low-speed table B corresponds to the surface temperature of the heat exchanger 11, and as the temperature increases, a larger value of fan rotation speed is determined. A fan rotation number smaller than the high speed table A is determined.

そして、熱交換器１１の表面が３５℃未満のとき、制御装置１９は、室内暖房又は床下暖房を停止していた時間が予め設定された所定時間Ｔ（例えば３時間）以下の場合にはシロッコファン１６、１７、１８にそれぞれ設けられた高速用テーブルＡを用いて、シロッコファン１６、１７、１８の回転数を決定し、所定時間Ｔを超える場合にはシロッコファン１６、１７、１８にそれぞれ設けられた低速用テーブルＢを用いて、シロッコファン１６、１７、１８の回転数を決定する。
この高速用テーブルＡ及び低速用テーブルＢを用いた制御により、シロッコファン１６、１７、１８は、室内暖房又は床下暖房を停止していた時間が長く、吹出ダクト１３、１４、１５が冷えきった状態のときと、冷えきっていない状態のときとで、回転数を変えた回転が可能となる。 When the surface of the heat exchanger 11 is less than 35 ° C., the control device 19 determines that the time when the room heating or the underfloor heating has been stopped is equal to or shorter than a predetermined time T (for example, 3 hours) set in advance. The number of rotations of the sirocco fans 16, 17, and 18 is determined using the high-speed table A provided for each of the fans 16, 17, and 18. If the predetermined time T is exceeded, the sirocco fans 16, 17, and 18 Using the low-speed table B provided, the rotational speed of the sirocco fans 16, 17, 18 is determined.
With the control using the high-speed table A and the low-speed table B, the sirocco fans 16, 17, and 18 have long stopped indoor heating or underfloor heating, and the blowout ducts 13, 14, and 15 are completely cooled. Rotation with different rotation speeds is possible between the state and the state of not being cooled.

なお、制御装置１９は、操作盤４２及びリモコン４３からの入力により、シロッコファン１６、１７、１８に高速用テーブルＡ及び低速用テーブルＢを設定することができる。
また、制御装置１９に搭載されたマイクロコンピュータには、熱交換器１１の表面温度が３５℃未満のときに、シロッコファン１６、１７、１８をそれぞれに設定された高速用テーブルＡ及び低速用テーブルＢに従って回転制御するためのプログラムが格納されている。 The control device 19 can set the high-speed table A and the low-speed table B in the sirocco fans 16, 17, and 18 by input from the operation panel 42 and the remote controller 43.
Further, the microcomputer mounted on the control device 19 includes a high speed table A and a low speed table in which the sirocco fans 16, 17, and 18 are set respectively when the surface temperature of the heat exchanger 11 is less than 35 ° C. A program for controlling rotation according to B is stored.

本実施の形態では、シロッコファン１６、１７、１８に同容量のシロッコファンを用いており、更に、吹出ダクト１３、１４、１５は全て断面積が同じ大きさに形成されている。
従って、シロッコファン１６、１７、１８を同じ回転数で回転させた場合、寝室、リビング、及び床下で、吹出ダクト１３、１４、１５から吹出される空気の速さは、主に吹出ダクト１３、１４、１５の長さによって決まる。 In the present embodiment, sirocco fans having the same capacity are used for the sirocco fans 16, 17, and 18, and the blowout ducts 13, 14, and 15 are all formed to have the same cross-sectional area.
Therefore, when the sirocco fans 16, 17, and 18 are rotated at the same rotational speed, the speed of the air blown from the blowing ducts 13, 14, and 15 in the bedroom, the living room, and the floor is mainly the blowing duct 13, 14 and 15 are determined by the length.

具体的には、吹出ダクト１３、１４、１５が長くなるにつれ、吹出ダクト１３、１４、１５を通過する空気の減速率は大きくなる。例えば、２階の寝室に空気を供給する吹出ダクト１３が、１階のリビングに空気を供給する吹出ダクト１４よりも長い場合、吹出部材２５、２６を介して、吹出ダクト１３、１４それぞれに同じ初速度の空気を送り込むと、吹出ダクト１３から寝室に吹出される空気は、吹出ダクト１４からリビングに吹出される空気よりも、速度が遅くなる。 Specifically, as the blowing ducts 13, 14, and 15 become longer, the deceleration rate of the air passing through the blowing ducts 13, 14, and 15 increases. For example, when the blowout duct 13 that supplies air to the bedroom on the second floor is longer than the blowout duct 14 that supplies air to the living room on the first floor, the same as the blowout ducts 13 and 14 via the blowout members 25 and 26. When air at the initial speed is fed, the speed of the air blown from the blowout duct 13 to the bedroom is slower than the air blown from the blowout duct 14 to the living room.

そこで、制御装置１９は、吹出ダクト１３、１４の長さに応じて、シロッコファン１６、１７それぞれに、異なる回転数の高速用テーブルＡ及び低速用テーブルＢを備え、熱交換器１１の表面温度が３５℃未満のとき、吹出ダクト１３、１４、１５から吹出される空気（温風）の速度値が近接するように調整している。
この吹出し速度の調整によって、寝室及びリビングに供給される空気の温度が十分に暖まっていない状態で、寝室及びリビングの一方に、人に冷風感を与える強風が供給されることを回避している。 Therefore, the control device 19 includes a high-speed table A and a low-speed table B having different rotational speeds in the sirocco fans 16 and 17 according to the lengths of the blow-out ducts 13 and 14, and the surface temperature of the heat exchanger 11. When the air temperature is lower than 35 ° C., the velocity values of the air (warm air) blown out from the blow-out ducts 13, 14 and 15 are adjusted so as to be close to each other.
By adjusting the blow-out speed, it is avoided that a strong wind that gives a cold wind to a person is supplied to one of the bedroom and the living room when the temperature of the air supplied to the bedroom and the living room is not sufficiently warm. .

なお、床下暖房のために吹出ダクト１５を通って供給される空気は、直接人体に当たらず人に対して冷風感を与えないが、床下暖房のための通常運転に比べ、回転数を下げてシロッコファン１８を回転することにより、熱交換器１１から奪う熱を制限して、早期に熱交換器１１の表面温度が３５℃以上になるように、シロッコファン１８にも高速用テーブルＡ及び低速用テーブルＢを設定することができる。 Note that the air supplied through the blowout duct 15 for underfloor heating does not directly hit the human body and does not give a cold wind to the person, but the rotation speed is reduced compared to the normal operation for underfloor heating. By rotating the sirocco fan 18, the heat taken from the heat exchanger 11 is limited so that the surface temperature of the heat exchanger 11 becomes 35 ° C. or higher at an early stage. Table B can be set.

例えば、高速用テーブルＡとして、熱交換器１１の表面温度が、１５℃以上２０℃未満、２０℃以上２５℃未満、２５℃以上３０℃未満、及び３０℃以上３５℃未満の場合に対する一分あたりのファン回転数をそれぞれ、５００回転、１０００回転、１５００回転、及び２０００回転と定めたものを第１の高速用テーブルＡとし、３５０回転、７００回転、１０５０回転、及び１４００回転と定めたものを第２の高速用テーブルＡとし、２００回転、４００回転、６００回転、及び８００回転と定めたものを第３の高速用テーブルＡとして、シロッコファン１６、１７、１８それぞれに、第１、第２、第３の高速用テーブルＡを設定した。 For example, as the high-speed table A, one minute for the case where the surface temperature of the heat exchanger 11 is 15 ° C. or higher and lower than 20 ° C., 20 ° C. or higher and lower than 25 ° C., 25 ° C. or higher and lower than 30 ° C. The number of fan rotations determined as 500, 1000, 1500, and 2000 rotations is the first high-speed table A, and is determined as 350 rotations, 700 rotations, 1050 rotations, and 1400 rotations. Is the second high-speed table A, and those determined as 200, 400, 600, and 800 rotations are the third high-speed table A, and the sirocco fans 16, 17, and 18 2. A third high speed table A was set.

また、低速用テーブルとして、第１、第２、第３の高速用テーブルＡにそれぞれ対応する第１、第２、第３の低速用テーブルＢをシロッコファン１６、１７、１８それぞれに、第１、第２、第３の低速用テーブルＢに設定した。
なお、第１、第２、第３の低速用テーブルＢはそれぞれ、第１、第２、第３の高速用テーブルＡの例えば５０％の回転数を定めたものにすることができる。 Further, as the low-speed table, the first, second, and third low-speed tables B corresponding to the first, second, and third high-speed tables A are respectively connected to the sirocco fans 16, 17, and 18, respectively. The second and third low-speed tables B are set.
The first, second, and third low-speed tables B can be set to have a predetermined rotational speed of, for example, 50% of the first, second, and third high-speed tables A.

この設定により、最も長い吹出ダクト１３に接続するシロッコファン１６には、最も大きい値のファン回転数が適用され、吹出ダクト１３より短い吹出ダクト１４に接続するシロッコファン１７には、シロッコファン１６と比較して、小さい値のファン回転数が適用される。
従って、熱交換器１１の表面温度が、３５℃未満のとき、吹出ダクト１３には、吹出部材２６を介して吹出ダクト１４に流入する空気よりも速い速度で、吹出部材２５を介して、空気が流入するので、吹出ダクト１３から寝室に吹出される空気の速度を、吹出ダクト１４からリビングに吹出される空気の速度に近接した値に調整することが可能である。
なお、床下暖房のためのシロッコファン１８には、最も低速のファン回転速度を定めた第３の高速用テーブルＡを設定したが、必ずしも、最低速度のものを設定する必要はない。 With this setting, the largest value of the fan rotation speed is applied to the sirocco fan 16 connected to the longest blowing duct 13, and the sirocco fan 16 connected to the blowing duct 14 shorter than the blowing duct 13 is connected to the sirocco fan 16. In comparison, a smaller value of fan speed is applied.
Therefore, when the surface temperature of the heat exchanger 11 is less than 35 ° C., the air is passed through the blowout member 25 at a higher speed than the air flowing into the blowout duct 14 through the blowout member 26. Therefore, the speed of the air blown from the blowout duct 13 to the bedroom can be adjusted to a value close to the speed of the air blown from the blowout duct 14 to the living room.
In addition, although the 3rd high speed table A which defined the slowest fan rotational speed was set to the sirocco fan 18 for underfloor heating, it is not necessary to necessarily set the thing of the minimum speed.

ここで、高速用テーブルＡ及び低速用テーブルＢに定義されるファンの回転数は、熱交換器の表面の異なる温度ごとに、回転数を変えてシロッコファンを回転させ、吹出部材を介して筐体に連結された長さの異なる吹出ダクトから吹出される空気を、複数の人に当てて、冷風感を感じるか否かを実験すること等により導出することができる。
そして、空気温調システム４４を設置する際に、吹出部材２５、２６、２７を介して筐体２０に連結される吹出ダクト１３、１４、１５の長さが決まるので、各吹出ダクト１３、１４、１５の長さに応じてシロッコファン１６、１７、１８に用いる高速用テーブルＡ及び低速用テーブルＢをそれぞれ決定することができる。
また、高速用テーブルＡに対する低速用テーブルＢのファン回転数の低速率については、吹出ダクトを暖房運転により暖めたとき（例えば２０℃）と、冬の気温として想定される温度で吹出ダクトを冷やしたとき（例えば１０℃）とにより、人に与える冷風感の差異を実験すること等により決定することができる。 Here, the rotation speed of the fan defined in the high-speed table A and the low-speed table B is changed at different temperatures on the surface of the heat exchanger by rotating the sirocco fan and through the blowout member. It can be derived by experimenting whether or not the air blown from the blowing ducts of different lengths connected to the body is exposed to a plurality of people to feel the cold wind.
And when installing the air temperature control system 44, since the length of the blowing ducts 13, 14, and 15 connected with the housing | casing 20 via the blowing members 25, 26, and 27 is decided, each blowing duct 13, 14 is determined. , 15 can determine the high-speed table A and the low-speed table B used for the sirocco fans 16, 17, 18 respectively.
Further, regarding the low speed ratio of the fan speed of the low speed table B with respect to the high speed table A, when the blowout duct is heated by heating operation (for example, 20 ° C.), the blowout duct is cooled at a temperature assumed as winter temperature. It can be determined, for example, by experimenting on the difference in cool air feeling given to a person depending on the time (eg 10 ° C.).

次に、本発明の一実施の形態に係る空気温調機のファン制御方法について説明する。
制御装置１９は、室内暖房又は床下暖房を開始するとき、シロッコファン１６、１７、１８のそれぞれについて、室内暖房又は床下暖房のために運転（回転）を停止していた時間を検知する。そして、熱交換器１１の表面温度が３５℃未満のとき、暖房停止時間が３時間以下の場合にはそれぞれ第１、第２、第３の高速用テーブルＡを用い、３時間を超える場合にはそれぞれ第１、第２、第３の低速用テーブルＢを用いて、シロッコファン１６、１７、１８の回転数をそれぞれ決定する。
例えば、シロッコファン１６による寝室の暖房の停止から２４時間が経過し、シロッコファン１７、１８によるリビング、床下の暖房の停止から１時間が経過しているとき、制御装置１９は、シロッコファン１６に第１の低速用テーブルＢを用い、シロッコファン１７、１８にそれぞれ第２、第３の高速用テーブルＡを用いて暖房を開始する。 Next, a fan control method for an air temperature controller according to an embodiment of the present invention will be described.
When starting the room heating or the underfloor heating, the control device 19 detects the time during which the operation (rotation) has been stopped for the room heating or the underfloor heating for each of the sirocco fans 16, 17, and 18. And when the surface temperature of the heat exchanger 11 is less than 35 ° C., when the heating stop time is 3 hours or less, the first, second, and third high-speed tables A are used, respectively, and it exceeds 3 hours. Respectively determine the rotational speeds of the sirocco fans 16, 17 and 18 using the first, second and third low-speed tables B, respectively.
For example, when 24 hours have passed since the heating of the bedroom by the sirocco fan 16 has stopped and 1 hour has passed since the living by the sirocco fans 17 and 18 and the heating under the floor has been stopped, the control device 19 causes the sirocco fan 16 to Heating is started using the first low-speed table B and the sirocco fans 17 and 18 using the second and third high-speed tables A, respectively.

次に、制御装置１９は、熱交換器１１の温度が上昇し、熱交換器１１の温度が３５℃以上であるのを検知したとき、シロッコファン１６、１７、１８の回転数を室内暖房、床下暖房のための通常の回転数に切り換える。
また、制御装置１９は、通常の回転数による室内暖房、床下暖房の最中に、熱交換器１１の温度が３５℃未満であるのを検知した場合、シロッコファン１６、１７、１８を、第１、第２、第３の高速用テーブルＡに従って、対応する温度範囲の回転数でそれぞれ回転させる。 Next, when the controller 19 detects that the temperature of the heat exchanger 11 rises and the temperature of the heat exchanger 11 is 35 ° C. or higher, the controller 19 sets the number of rotations of the sirocco fans 16, 17, and 18 to the room heating, Switch to normal speed for underfloor heating.
Further, when the control device 19 detects that the temperature of the heat exchanger 11 is lower than 35 ° C. during indoor heating or underfloor heating at a normal rotation speed, the control device 19 switches the sirocco fans 16, 17, 18 to According to the first, second, and third high-speed table A, the rotation is performed at the number of rotations in the corresponding temperature range.

なお、本実施の形態では、シロッコファン１６、１７、１８の停止時間をそれぞれ検知して、暖房停止時間を個別に計測しているが、シロッコファン１６、１７、１８による室内暖房及び床下暖房が全て同時に行われることが前提等の場合には、シロッコファン１６、１７、１８のいずれをも回転していない時間を計測して、高速用テーブルＡ及び低速用テーブルＢのうちどちらを用いるかを決定することもできる。 In the present embodiment, the stop time of the sirocco fans 16, 17, and 18 is detected and the heating stop time is individually measured. However, indoor heating and underfloor heating by the sirocco fans 16, 17, and 18 are performed. If it is assumed that all are performed simultaneously, the time during which none of the sirocco fans 16, 17 and 18 are rotating is measured, and which of the high-speed table A and the low-speed table B is used is determined. It can also be determined.

以上、本発明の実施の形態を説明したが、本発明は、上記した形態に限定されるものでなく、要旨を逸脱しない条件の変更等は全て本発明の適用範囲である。
例えば、空気温調機は、床下暖房をせず、室内のみに熱交換された空気を供給するようにしてもよい。 Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all changes in conditions and the like that do not depart from the gist are within the scope of the present invention.
For example, the air temperature controller may supply air that has undergone heat exchange only indoors without underfloor heating.

１０：空気温調機、１１：熱交換器、１２：温度センサ、１３、１４、１５：吹出ダクト、１６、１７、１８：シロッコファン、１９：制御装置、２０：筐体、２１：ドレーン受け、２２：ドレーン管、２３：水位センサ、２５、２６、２７：吹出部材、２８：吹出チャンバ、２９、３０、３１、３２：吸込部材、３３、３４、３５、３６：吸込ダクト、３７：高さ調整部材、３８：収納部蓋、３９：室外機、４０：冷媒ガス配管、４１：冷媒液配管、４２：操作盤、４３：リモコン、４４：空気温調システム 10: Air temperature controller, 11: Heat exchanger, 12: Temperature sensor, 13, 14, 15: Blowing duct, 16, 17, 18: Sirocco fan, 19: Control device, 20: Housing, 21: Drain receiver 22: Drain pipe, 23: Water level sensor, 25, 26, 27: Blowing member, 28: Blowing chamber, 29, 30, 31, 32: Suction member, 33, 34, 35, 36: Suction duct, 37: High 38: storage unit lid, 39: outdoor unit, 40: refrigerant gas piping, 41: refrigerant liquid piping, 42: operation panel, 43: remote control, 44: air temperature control system

Claims (4)

熱交換器によって加熱された空気を、室内を含む複数の場所にそれぞれファン及びこれに接続される吹出ダクトを経由して供給し、暖房を行う空気温調機のファン制御方法であって、
前記熱交換器の温度が所定値未満の場合、前記複数の場所に温風を供給する前記ファンのそれぞれの回転数を、予め前記熱交換器の温度に応じて前記ファン毎に個別に決めた回転速度テーブルに基づいて決定することを特徴とする空気温調機のファン制御方法。 The air heated by the heat exchanger is supplied to a plurality of places including a room via a fan and a blowout duct connected thereto, and is a fan control method for an air temperature controller for heating.
When the temperature of the heat exchanger is less than a predetermined value, the number of rotations of each of the fans that supply hot air to the plurality of places is determined individually for each of the fans according to the temperature of the heat exchanger. A fan control method for an air temperature controller, wherein the air temperature controller is determined based on a rotation speed table. 請求項１記載の空気温調機のファン制御方法において、前記ファン毎に個別に決めた回転速度テーブルは、該空気温調機の暖房停止時間に応じて、前記ファンの回転数が異なる高速用テーブルＡと低速用テーブルＢとを有し、該空気温調機の暖房停止時間が予め設定された所定時間Ｔ以下の場合には前記高速用テーブルＡを用い、該空気温調機の暖房停止時間が該所定時間Ｔを超える場合には前記低速用テーブルＢを用いることを特徴とする空気温調機のファン制御方法。 2. The fan control method for an air temperature controller according to claim 1, wherein the rotation speed table individually determined for each of the fans is for a high speed in which the rotation speed of the fan differs according to the heating stop time of the air temperature controller. A table A and a low-speed table B, and when the heating stop time of the air temperature adjuster is equal to or less than a predetermined time T set in advance, the high-speed table A is used to stop heating of the air temperature adjuster. When the time exceeds the predetermined time T, the low-speed table B is used. A fan control method for an air temperature controller. 空気を加熱する熱交換器と、該熱交換器の温度を計測する温度センサと、該熱交換器によって加熱された空気を室内を含む複数の場所にそれぞれ個別に供給する吹出ダクトに対応して設けられたファンと、前記温度センサを介した前記熱交換器の温度の検知及び該ファンの回転制御を行う制御装置とを備え、
前記制御装置は、前記熱交換器の温度が所定値未満の場合に用いる、前記熱交換器の温度に応じて前記ファンの回転数を定めた回転速度テーブルを前記各ファン毎に備えることを特徴とする空気温調機。 Corresponding to a heat exchanger that heats the air, a temperature sensor that measures the temperature of the heat exchanger, and a blowout duct that individually supplies the air heated by the heat exchanger to a plurality of locations including the room A provided fan, and a control device for detecting the temperature of the heat exchanger via the temperature sensor and controlling the rotation of the fan,
The control device includes a rotation speed table for each of the fans, which is used when the temperature of the heat exchanger is less than a predetermined value, and determines the number of rotations of the fan according to the temperature of the heat exchanger. Air temperature controller. 請求項３記載の空気温調機において、前記ファン毎に個別に決めた回転速度テーブルは、該空気温調機の暖房停止時間に応じて、前記ファンの回転数が異なる高速用テーブルＡと低速用テーブルＢとを有し、該空気温調機の暖房停止時間が予め設定された所定時間Ｔ以下の場合には前記高速用テーブルＡを用い、該空気温調機の暖房停止時間が該所定時間Ｔを超える場合には前記低速用テーブルＢを用いることを特徴とする空気温調機。 4. The air temperature adjuster according to claim 3, wherein the rotation speed table individually determined for each fan is different from the high speed table A and the low speed table A in which the rotation speed of the fan differs according to the heating stop time of the air temperature adjuster. Table B, and when the heating stop time of the air temperature adjuster is equal to or less than a predetermined time T set in advance, the high speed table A is used, and the heating stop time of the air temperature adjuster is If the time T is exceeded, the low-speed table B is used.
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