JP3329113B2 - Air purge device for air conditioner, air purge method for air conditioner, and air conditioner - Google Patents
Air purge device for air conditioner, air purge method for air conditioner, and air conditionerInfo
- Publication number
- JP3329113B2 JP3329113B2 JP00421095A JP421095A JP3329113B2 JP 3329113 B2 JP3329113 B2 JP 3329113B2 JP 00421095 A JP00421095 A JP 00421095A JP 421095 A JP421095 A JP 421095A JP 3329113 B2 JP3329113 B2 JP 3329113B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- air conditioner
- way valve
- gas
- refrigerant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、接続配管にて室内機と
室外機を接合させるセパレート型空気調和機を据え付け
る際のエアーをパージする装置および方法に関するもの
である。The present invention relates to a mounting and a separate type air conditioner that joins the indoor unit and the outdoor unit at a connection pipe
The present invention relates to an apparatus and a method for purging air at the time of purging .
【０００２】[0002]
【従来の技術】従来の空気調和機は室外機本体にパージ
用として冷媒量を規定よりも多量に充填し、その冷媒を
利用し液側２方弁を介し接続配管と室内機をエアーパー
ジし、ガス側の３方弁のサービスポートより冷媒を大気
に放出していた。2. Description of the Related Art In a conventional air conditioner, an outdoor unit body is filled with a refrigerant amount larger than a prescribed amount for purging, and the refrigerant is used to air purge a connection pipe and an indoor unit through a liquid side two-way valve. Then, the refrigerant was discharged to the atmosphere from the service port of the three-way valve on the gas side.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、最近オ
ゾン層破壊、地球温暖化など環境に対する規制・概念の
高揚により空気調和機の設置時のエアーパージによるオ
ゾン層破壊係数・地球温暖化係数の高い冷媒の大気放出
が問題になっている。However, due to the recent rise in environmental regulations and concepts such as ozone depletion and global warming, refrigerants with a high ozone depletion coefficient and global warming coefficient due to air purging when installing air conditioners. Emission to the atmosphere is a problem.
【０００４】本発明は上記課題を解決した空気調和機を
提供するものである。[0004] The present invention is to provide an air conditioner that solves the above problems.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に本発明は、室内機と、室外機と、前記室内機と前記室
外機を接続配管にて液側、ガス側の２箇所にて接続する
セパレート型空気調和機のエアーをパージする空気調和
機のエアーパージ装置であって、前記室外機に充填した
冷媒ガスと異なり、オゾン層破壊係数がゼロまたは小さ
く、かつ地球温暖化係数がゼロまたは小さい冷媒ガスを
使用して、前記接続配管と前記室内機内部のエアーをパ
ージすることを特徴とする空気調和機のエアーパージ装
置である。 In order to solve the above-mentioned problems, the present invention provides an indoor unit, an outdoor unit, the indoor unit and the room.
Connect the external unit at two points, liquid side and gas side, with connection piping
Air conditioning that purges air from separate air conditioners
An air purge device for the outdoor unit,
Unlike refrigerant gas, the ozone depletion potential is zero or small
Refrigerant gas with zero or low global warming potential
To connect the air inside the indoor unit with the connection piping.
Air purge equipment for air conditioners
It is a place.
【０００６】また、第２の発明は、前記室外機に充填し
た冷媒ガスをＨＦＣ系冷媒とし、前記使用する冷媒ガス
としてＨＣ系冷媒を用いることを特徴とする空気調和機
のエアーパージ装置である。 [0006] In a second aspect of the present invention, the outdoor unit is charged.
Refrigerant gas used as the HFC-based refrigerant,
Air conditioner characterized by using an HC-based refrigerant as the air conditioner
Is an air purge device.
【０００７】また、第３の発明は、前記室外機に充填し
た潤滑油をエステル系オイルとし、前記使用する冷媒ガ
スとしてＨＣ系冷媒を用いることを特徴とする空気調和
機のエアーパージ装置である。 In a third aspect of the present invention, the outdoor unit is charged.
The lubricating oil used is an ester oil, and the refrigerant gas used is
Air conditioning characterized by using HC-based refrigerant
It is an air purge device of the machine.
【０００８】また、第４の発明は、室内機と、室外機
と、前記室内機と前記室外機を接続配管にて液側、ガス
側の２箇所にて弁で接続し、少なくともどちらか一方に
３方弁を具備するセパレート型空気調和機のエアーをパ
ージする空気調和機のエアーパージ方法であって、前記
３方弁のサービスポートより、前記室外機に充填した冷
媒ガスと異なり、オゾン層破壊係数がゼロまたは小さ
く、かつ地球温暖化係数がゼロまたは小さい冷媒ガスを
使用して、接続配管と室内機内部のエアーをパージする
ことを特徴とする空気調和機のエアーパージ方法であ
る。 A fourth invention provides an indoor unit and an outdoor unit.
And, the liquid side, gas
Connected with a valve at two points on the side
The air of a separate type air conditioner equipped with a three-way valve
Air purging method for an air conditioner,
From the service port of the three-way valve,
Unlike the medium gas, the ozone depletion potential is zero or small.
Refrigerant gas with zero or low global warming potential
Use to purge air inside the connection piping and indoor unit
An air purging method for an air conditioner,
You.
【０００９】また、第５の発明は、前記室外機に充填し
た冷媒ガスをＨＦＣ系冷媒とし、前記使用する冷媒ガス
としてＨＣ系冷媒を用いることを特徴とする空気調和機
のエアーパージ方法である。 According to a fifth aspect of the present invention, the outdoor unit is filled with
Refrigerant gas used as the HFC-based refrigerant,
Air conditioner characterized by using an HC-based refrigerant as the air conditioner
Is an air purge method.
【００１０】また、第６の発明は、前記室外機に充填し
た潤滑油をエステル系オイルとし、前記使用する冷媒ガ
スとしてＨＣ系冷媒を用いることを特徴とする空気調和
機のエアーパージ方法である。 In a sixth aspect of the present invention, the outdoor unit is filled with
The lubricating oil used is an ester oil, and the refrigerant gas used is
Air conditioning characterized by using HC-based refrigerant
This is an air purge method for the machine.
【００１１】また、第７の発明は、室内機と、室外機
と、前記室内機と前記室外機を接続配管にて液側、ガス
側の２箇所にて接続するセパレート型空気調和機におい
て、施工時、ＨＣ系冷媒ガスを使用して、前記接続配管
と前記室内機内部のエアーをパージし、前記ＨＣ系冷媒
ガスが空気調和機内に残存して運転することを特徴とす
る空気調和機である。 A seventh invention is directed to an indoor unit and an outdoor unit.
And, the liquid side, gas
Separate type air conditioner connected at two locations on the side
At the time of construction, the connection piping using HC-based refrigerant gas
And the air inside the indoor unit is purged, and the HC-based refrigerant is purged.
It is characterized in that the gas remains in the air conditioner and operates
Air conditioner.
【００１２】また、第８の発明は、室内機と、室外機
と、前記室内機と前記室外機を接続配管にて液側、ガス
側の２箇所にて弁で接続するセパレート型空気調和機に
おいて、前記弁を液側に２方弁、ガス側に第一の３方弁
を具備し、前記室外機の前記２方弁近くに、オゾン層破
壊係数がゼロまたは小さく、かつ地球温暖化係数がゼロ
または小さい冷媒ガスを充填したボンベと第二の３方弁
を内蔵し、据え付け工事のさい、前記第二の３方弁の操
作により前記冷媒ガスにて前記第二の３方弁から前記第
一の３方弁の間をパージし、再度前記第二の３方弁の操
作により冷凍サイクルと前記２方弁を接続し、据え付け
工事ができることを特徴とする空気調和機である。 An eighth invention relates to an indoor unit and an outdoor unit.
And, the liquid side, gas
Separate type air conditioner connected with valves at two points on the side
The valve is a two-way valve on the liquid side and a first three-way valve on the gas side.
Ozone depletion near the two-way valve of the outdoor unit
Zero or low decay coefficient and zero global warming potential
Or a cylinder filled with small refrigerant gas and a second three-way valve
The second three-way valve is operated during installation work.
The second three-way valve from the second three-way valve
Purge the space between the one three-way valve and operate the second three-way valve again.
Connect the refrigeration cycle to the two-way valve and install
It is an air conditioner that can be constructed.
【００１３】また、第９の発明は、前記空気調和機に用
いる冷媒ガスをにＨＦＣ系冷媒とし 、前記ボンベに充填
する冷媒ガスとしてＨＣ系冷媒を用いることを特徴とす
る空気調和機である。 [0013] A ninth invention is directed to the air conditioner.
HFC-based refrigerant to fill the cylinder
Using HC-based refrigerant as the refrigerant gas
Air conditioner.
【００１４】また、第１０の発明は、前記空気調和機に
用いる潤滑油としてエステル系オイルとし、前記ボンベ
に充填する冷媒ガスとしてＨＣ系冷媒を用いることを特
徴とする空気調和機である。 [0014] A tenth aspect of the present invention is directed to the air conditioner.
Ester oil is used as the lubricating oil,
The use of HC-based refrigerant as the refrigerant gas
It is an air conditioner to be featured.
【００１５】[0015]
【作用】第１の発明では、室内機と室外機とその室外機
の室内機接続用に液側、ガス側の２箇所に接続するセパ
レート型空気調和機において、室外機に充填した冷媒ガ
スと異なり、オゾン層破壊係数がゼロまたは小さく、か
つ地球温暖化係数がゼロまたは小さい冷媒ガスを使用し
て、接続配管と室内機内部のエアーをパージし、冷媒ガ
スを回収または大気に放出する。[Action] In the first aspect of the invention, the indoor unit and the outdoor unit and liquid side to the indoor unit connection of the outdoor unit is connected to two locations on the gas side separator
In rate-type air conditioner, unlike the refrigerant gas filled in the outdoor unit, the ozone layer destruction coefficient is zero or small, and global warming potential using a zero or small refrigerant gas, connecting pipes and the indoor unit interior air Purge the refrigerant gas
To release a scan to recovery or the atmosphere.
【００１６】また第４の発明では、室内機と室外機を接
合させるセパレート型空気調和機において、据え付け工
事のさい、３方弁（液側でもガス側でも可）のサービス
ポートより、オゾン層破壊係数がゼロまたは小さく、か
つ地球温暖化係数がゼロまたは小さい冷媒ガスにて接続
配管と室内機内部のエアーをパージし、もう一方弁手前
より冷媒を回収または、大気に放出する。According to a fourth aspect of the present invention , in a separate type air conditioner for joining an indoor unit and an outdoor unit, during installation work, the ozone layer is destructed from a service port of a three-way valve (either on the liquid side or on the gas side). The air inside the connection pipe and the indoor unit is purged with a refrigerant gas having a coefficient of zero or small and a global warming coefficient of zero or small, and the refrigerant is recovered from the other side of the valve or discharged to the atmosphere.
【００１７】また第２、第３、第５または第６の発明で
は、従来のＨＣＦＣ系にかわる代替冷媒としてＨＦＣ系
を使用し、オゾン層破壊係数がゼロまたは小さく、かつ
地球温暖化係数がゼロまたは小さいガスとしてＨＣ系の
ナチュラルガスを用いかつ潤滑油としてエステル系オイ
ルを使用する場合において、エステル系オイルは水分・
空気・エステル以外のオイルと反応・分解する可能性が
あり、これらの物質を外部から冷凍サイクル内に持ち込
まない管理が必要となる。パージ用ガスとして、ＨＣ系
のナチュラルガスを使用し、接続配管と室内機内部のエ
アーをパージし、もう一方の３方弁サービスポートまた
は、２方弁手前より冷媒を回収または、大気に放出す
る。Further, in the second, third, fifth or sixth invention , the HFC system is used as an alternative refrigerant to the conventional HCFC system, the ozone depletion coefficient is zero or small, and the earth When using HC-based natural gas as a gas with a zero or small global warming potential and using ester-based oil as lubricating oil, ester-based oil contains
There is a possibility of reacting and decomposing with oils other than air and esters, and it is necessary to manage these substances not to bring them into the refrigeration cycle from outside. Using a natural gas of HC as a purging gas, purging the air inside the connection pipe and the indoor unit, recovering the refrigerant from the other three-way valve service port or just before the two-way valve, or discharging the refrigerant to the atmosphere. .
【００１８】また第８の発明では、室外機に内蔵したオ
ゾン層破壊係数がゼロまたは小さく、かつ地球温暖化係
数がゼロまたは小さい冷媒ガスを充填したボンベと第二
の３方弁を操作することにより液側２方弁を接続し、接
続配管と室内機内部のエアーをパージしガス側３方弁の
サービスポートより冷媒を回収または、大気に放出す
る。次に再度第二の３方弁を操作することにより本冷凍
サイクルと液側２方弁を接続し、据え付け工事を終了す
る。このような構成により空気調和機の据え付け工事の
さいパージ用の別ボンベを携帯する必要がなくなる。In the eighth invention, the cylinder and the second three-way valve filled with a refrigerant gas having a zero or small ozone depletion coefficient and a zero or small global warming potential built in the outdoor unit are operated. To connect the liquid side two-way valve, purge the air inside the connection pipe and the indoor unit, and recover the refrigerant from the service port of the gas side three-way valve or discharge it to the atmosphere. Next, the second refrigeration cycle and the liquid-side two-way valve are connected by operating the second three-way valve again, and the installation work is completed. With such a configuration, it is not necessary to carry a separate cylinder for purging during installation work of the air conditioner.
【００１９】また、第９または第１０の発明では、従来
のＨＣＦＣ系にかわる代替冷媒としてＨＦＣ系を使用
し、かつ潤滑油としてエステル系オイルを使用する場合
において、エステル系オイルは水分・空気・エステル以
外のオイルと反応・分解する可能性があり、これらの物
質を外部から冷凍サイクル内に持ち込まない管理が必要
となる。室外機に内蔵したＨＣ系のナチュラルガスボン
ベと第二の３方弁を操作することにより液側２方弁を接
続し、接続配管と室内機内部のエアーをパージしガス側
３方弁のサービスポートより冷媒を回収または、大気に
放出する。Further , in the ninth or tenth invention, when an HFC system is used as an alternative refrigerant to the conventional HCFC system and an ester oil is used as a lubricating oil, the ester oil is composed of water, air, There is a possibility of reacting and decomposing with oils other than esters, and it is necessary to control such substances not to be brought into the refrigeration cycle from outside. By operating the HC natural gas cylinder built into the outdoor unit and the second three-way valve, the liquid side two-way valve is connected, the connection pipe and the air inside the indoor unit are purged, and the service port of the gas side three-way valve is connected. More refrigerant is recovered or released to the atmosphere.
【００２０】次に再度第二の３方弁を操作することによ
り本冷凍サイクルと液側２方弁を接続し、据え付け工事
を終了する。このような構成により空気調和機の据え付
け工事のさいパージ用の別ボンベを携帯する必要がなく
なる。Next, by operating the second three-way valve again, the refrigeration cycle and the liquid-side two-way valve are connected, and the installation work is completed. With such a configuration, it is not necessary to carry a separate cylinder for purging during installation work of the air conditioner.
【００２１】[0021]
【実施例】以下、本発明の一実施例について図面を参考
に説明する。An embodiment of the present invention will be described below with reference to the drawings.
【００２２】図１は、第１の実施例を示す冷凍サイクル
である。FIG. 1 is a refrigeration cycle showing a first embodiment .
【００２３】図中、１は圧縮機、２は室外熱交換器、３
は絞り装置、４は液側３方弁、５は室内熱交換器、６は
ガス側３方弁、７は非凝縮ガスボンベ、８は内外接続配
管で、１から４と６の構成部品は室外機に内蔵されてい
る。また室内機は構成部品５の室内熱交換器にて表して
いる。In the figure, 1 is a compressor, 2 is an outdoor heat exchanger, 3
Is a throttle device, 4 is a liquid-side three-way valve, 5 is an indoor heat exchanger, 6 is a gas-side three-way valve, 7 is a non-condensing gas cylinder, 8 is an internal / external connection pipe, and components 1 to 4 and 6 are outdoor. Built into the machine. The indoor unit is represented by the indoor heat exchanger of the component 5.
【００２４】いま、室内機と室外機を内外接続配管８に
て接続し、４の液側３方弁と６のガス側３方弁を閉状態
にする。次に非凝縮ガスボンベ７を液側３方弁４のサー
ビスバルブに接続し、非凝縮ガスボンベ７のバルブを開
状態にする。これにより非凝縮ガスは液側３方弁を介し
接続配管を通り室内熱交換器５に達し、再度接続配管を
通りガス側３方弁６にいたる。次にガス側３方弁のサー
ビスバルブより非凝縮ガスを大気に放出する。もちろん
ここで、回収用ボンベを用い、ガスを回収しても良い。Now, the indoor unit and the outdoor unit are connected by the inside / outside connection pipe 8, and the liquid three-way valve 4 and the gas three-way valve 6 are closed. Next, the non-condensable gas cylinder 7 is connected to the service valve of the liquid side three-way valve 4, and the valve of the non-condensable gas cylinder 7 is opened. Thereby, the non-condensed gas reaches the indoor heat exchanger 5 through the connection pipe via the liquid side three-way valve, and reaches the gas side three-way valve 6 again through the connection pipe. Next, the non-condensed gas is released to the atmosphere from the service valve of the gas side three-way valve. Of course, the gas may be collected here using a collecting cylinder.
【００２５】また、本実施例ではガスボンベ７を液側３
方弁４のサービスバルブに接続し、ガス側３方弁のサー
ビスバルブよりガスを大気に放出すると説明したが、オ
ゾン層破壊係数がゼロまたは小さく、かつ地球温暖化係
数がゼロまたは小さいガスボンベ７をガス側３方弁６の
サービスバルブに接続し、液側３方弁４のサービスバル
ブよりガスを大気に放出することも可能である。また、
本実施例では、液側、ガス側の両側に３方弁を使用する
例を示したが、どちらか一方に２方弁を装備し２方弁の
前のフレアナットを緩め、ガスを大気に放出しても良
い。In this embodiment, the gas cylinder 7 is connected to the liquid side 3.
It has been described that the gas is connected to the service valve of the one-way valve 4 and the gas is released to the atmosphere from the service valve of the three-way valve on the gas side. It is also possible to connect to the service valve of the gas side three-way valve 6 and discharge the gas to the atmosphere from the service valve of the liquid side three-way valve 4. Also,
In this embodiment, an example is shown in which a three-way valve is used on both the liquid side and the gas side. However, a two-way valve is provided on one of the two sides, the flare nut in front of the two-way valve is loosened, and the gas is released to the atmosphere. May be released.
【００２６】図２は、第２、第３の実施例を示す冷凍サ
イクルである。FIG. 2 is a refrigeration cycle showing the second and third embodiments .
【００２７】図中、１１は圧縮機、１２は室外熱交換
器、１３は絞り装置、１４は液側３方弁、１５は室内熱
交換器、１６はガス側３方弁、１７はＨＣ系ガスボン
ベ、１８は内外接続配管で、１１から１４と１６の構成
部品は室外機に内蔵されている。また室内機は構成部品
１５の室内熱交換器にて表している。In the figure, 11 is a compressor, 12 is an outdoor heat exchanger, 13 is a throttle device, 14 is a liquid side three-way valve, 15 is an indoor heat exchanger, 16 is a gas side three-way valve, and 17 is an HC system. A gas cylinder 18 is an inside / outside connection pipe, and components 11 to 14 and 16 are built in the outdoor unit. The indoor unit is represented by an indoor heat exchanger of the component 15.
【００２８】いま、室内機と室外機を内外接続配管１８
にて接続し、１４の液側３方弁と１６のガス側３方弁を
閉状態にする。次にＨＣ系ガスボンベ１７を液側３方弁
１４のサービスバルブに接続し、ＨＣ系ガスボンベ１７
のバルブを開状態にする。これによりＨＣ系ガスは液側
３方弁を介し接続配管を通り室内熱交換器１５に達し再
度接続配管を通りガス側３方弁１６にいたる。次にガス
側３方弁のサービスバルブよりＨＣ系ガスを大気に放出
する。もちろんここで、回収用ボンベを用い、ガスを回
収しても良い。Now, the indoor unit and the outdoor unit are connected to the inside / outside connection pipe 18.
And the fourteen liquid side three-way valve and the sixteen gas side three-way valve are closed. Next, the HC-based gas cylinder 17 is connected to the service valve of the liquid-side three-way valve 14, and the HC-based gas cylinder 17 is connected.
Open the valve. As a result, the HC-based gas reaches the indoor heat exchanger 15 via the connection pipe via the liquid side three-way valve, and reaches the gas side three-way valve 16 again via the connection pipe. Next, HC-based gas is released to the atmosphere from the service valve of the gas side three-way valve. Of course, the gas may be collected here using a collecting cylinder.
【００２９】また、本実施例ではＨＣ系ガスボンベ１７
を液側３方弁１４のサービスバルブに接続し、ガス側３
方弁のサービスバルブよりガスを大気に放出すると説明
したが、ＨＣ系ガスボンベ１７をガス側３方弁１６のサ
ービスバルブに接続し液側３方弁１４のサービスバルブ
よりガスを大気に放出することも可能である。また、本
実施例では、液側、ガス側の両側に３方弁を使用する例
を示したが、どちらか一方に２方弁を装備し２方弁の前
のフレアナットを緩め、ガスを大気に放出しても良い。In this embodiment, the HC gas cylinder 17 is used.
Is connected to the service valve of the liquid side three-way valve 14, and the gas side 3
Although it has been described that the gas is released from the service valve of the one-way valve to the atmosphere, the HC-based gas cylinder 17 is connected to the service valve of the three-way valve 16 on the gas side, and the gas is released to the atmosphere from the service valve of the three-way valve 14 on the liquid side. Is also possible. Further, in the present embodiment, an example is shown in which a three-way valve is used on both sides of the liquid side and the gas side, but a two-way valve is provided on one of the two sides, a flare nut in front of the two-way valve is loosened, and gas is released. May be released to the atmosphere.
【００３０】また本発明の第３の実施例については、冷
凍サイクルに従来のＨＣＦＣ系にかわる代替冷媒として
ＨＦＣ系を使用し、かつ潤滑油としてエステル系オイル
を使用する場合であり、上記第２の実施例と構成・手順
は、全く同一である。The third embodiment of the present invention relates to a case where an HFC system is used as an alternative refrigerant to the refrigeration cycle in place of the conventional HCFC system and an ester oil is used as a lubricating oil. examples and configuration and procedure are identical.
【００３１】図３と図４は、第４と、第５の実施例を示
す冷凍サイクルである。FIGS. 3 and 4 show a refrigeration cycle showing the fourth and fifth embodiments .
【００３２】図３中、２１は圧縮機、２２は室外熱交換
器、２３は絞り装置、２４は液側２方弁、２５は室内熱
交換器、２６はガス側３方弁、２７は第二の３方弁、２
８は室外機内蔵ＨＣ系ガスボンベ、２９は内外接続配管
で、２１から２４と２６〜２８までの構成部品は室外機
に内蔵されている。また室内機は構成部品２５の室内熱
交換器にて表している。図４は第二の３方弁２７の詳細
動作を示した図である。In FIG. 3, 21 is a compressor, 22 is an outdoor heat exchanger, 23 is a throttle device, 24 is a liquid side two-way valve, 25 is an indoor heat exchanger, 26 is a gas side three-way valve, and 27 is a third side valve. Two three-way valve, two
Reference numeral 8 denotes an outdoor unit built-in HC gas cylinder. Reference numeral 29 denotes an internal / external connection pipe. Components 21 to 24 and 26 to 28 are incorporated in the outdoor unit. The indoor unit is represented by the indoor heat exchanger of the component 25. FIG. 4 is a diagram showing the detailed operation of the second three-way valve 27.
【００３３】いま、室内機と室外機を内外接続配管２９
にて接続する。２４の液側２方弁と２６のガス側３方弁
及び第二の３方弁は閉状態にある。次に第二の３方弁２
７を図４の閉状態からパージ状態に変更することにより
内蔵ＨＣ系ガスボンベ２８からパージ用ＨＣ系ガスが流
れる。これによりＨＣ系ガスは液側２方弁を介し接続配
管を通り室内熱交換器２５に達し、再度接続配管を通り
ガス側３方弁２６にいたる。次にガス側３方弁のサービ
スバルブよりＨＣ系ガスを大気に放出する。もちろんこ
こで、回収用ボンベを用い、ガスを回収しても良い。Now, the indoor unit and the outdoor unit are connected to the inside / outside connection pipe 29.
Connect with. 24 liquid-side two-way valves, 26 gas-side three-way valves, and a second three-way valve are in a closed state. Next, the second three-way valve 2
By changing 7 from the closed state in FIG. 4 to the purge state, the purge HC-based gas flows from the built-in HC-based gas cylinder 28. Thereby, the HC-based gas reaches the indoor heat exchanger 25 through the connection pipe via the liquid side two-way valve, and reaches the gas side three-way valve 26 again through the connection pipe. Next, HC-based gas is released to the atmosphere from the service valve of the gas side three-way valve. Of course, the gas may be collected here using a collecting cylinder.
【００３４】最後に第二の３方弁２７を４３の運転状態
に変更することにより空気調和機の据え付けを完了す
る。Finally, the installation of the air conditioner is completed by changing the second three-way valve 27 to the operation state of 43.
【００３５】なお第二の３方弁２７については、３方コ
ック、３方電磁弁など３方向の流路をコントロールする
ものであれば、どの様なものでも可能である。The second three-way valve 27 can be of any type, such as a three-way cock or a three-way solenoid valve, as long as it controls three-way flow paths.
【００３６】また本発明の第５の実施例については、冷
凍サイクルに従来のＨＣＦＣ系にかわる代替冷媒として
ＨＦＣ系を使用し、かつ潤滑油としてエステル系オイル
を使用する場合であり、上記第４の実施例と構成・手順
は、全く同一である。The fifth embodiment of the present invention relates to a case where an HFC system is used as an alternative refrigerant to the refrigeration cycle in place of the conventional HCFC system and an ester oil is used as a lubricating oil. examples and configuration and procedure are identical.
【００３７】[0037]
【発明の効果】本発明はパージ用ガスとして、本体に充
填した冷媒ガスと異なり、オゾン層破壊係数がゼロでか
つ地球温暖化係数がゼロまたは少ない冷媒ガスを使用す
ることにより、オゾン破壊係数・地球温暖化係数ともに
高い冷媒の大気放出を防止することができる。According to the present invention as a purge gas, unlike the refrigerant gas filled in the main body, by ozone depletion is zero at and global warming potential use zero or less refrigerant gas, ozone depletion, The release of refrigerant with high global warming potential into the atmosphere can be prevented.
【００３８】また本発明はパージ用ガスとして、ＨＣ系
のナチュラルガスを使用することにより、安価で手軽に
入手可能で、オゾン層を破壊しない、かつ地球温暖化に
影響を与えない空気調和機のエアーパージが可能とな
る。Further, the present invention provides an air conditioner which is inexpensive and easily available, does not destroy the ozone layer, and does not affect global warming by using HC natural gas as a purge gas . Air purge becomes possible.
【００３９】また本発明は冷凍サイクルに従来のＨＣＦ
Ｃ系にかわる代替冷媒としてＨＦＣ系を使用し、かつ潤
滑油としてエステル系オイルを使用する場合において
も、オゾン層破壊係数・地球温暖化係数ともに高い冷媒
の大気放出を防止することができ、かつパージ用ガスに
冷媒・オイル・冷凍サイクル部品に熱化学的影響を与え
ないＨＣ系のナチュラルガス使用して据え付けが可能と
なることから、製品の信頼性・安全性を向上させること
ができる。The present invention also relates to a conventional HCF
Even when an HFC-based refrigerant is used as an alternative refrigerant to the C-based refrigerant and an ester-based oil is used as a lubricating oil, it is possible to prevent the refrigerant from being released into the atmosphere with high ozone depletion potential and global warming potential, and Since the purging gas can be installed by using an HC-based natural gas that does not have a thermochemical effect on the refrigerant, the oil, and the refrigeration cycle parts, the reliability and safety of the product can be improved.
【００４０】また本発明はパージ用ガスを室外機に内蔵
するため、エアーパージ用ガスの別ボンベを携帯する必
要がないため据え付け工事簡易化が可能となると同時
に、パージ用ガスにＨＣ系のナチュラルガス使用するこ
とにより、オゾン層破壊係数・地球温暖化係数ともに高
い冷媒の大気放出を防止することができる。Further, in the present invention, since the purging gas is incorporated in the outdoor unit, it is not necessary to carry a separate cylinder for the air purging gas, so that the installation work can be simplified, and at the same time, HC natural gas is used as the purging gas. By using gas, it is possible to prevent the refrigerant from being released into the atmosphere with a high ozone depletion potential and a high global warming potential.
【００４１】また冷凍サイクルに従来のＨＣＦＣ系にか
わる代替冷媒としてＨＦＣ系を使用し、かつ潤滑油とし
てエステル系オイルを使用する場合においても、パージ
用ガスを室外機に内蔵するため、エアーパージ用ガスの
別ボンベを携帯する必要がないため据え付け工事簡易化
が可能となると同時に、パージ用ガスにＨＣ系のナチュ
ラルガス使用することにより、オゾン層破壊係数・地球
温暖化係数ともに高い冷媒の大気放出を防止することが
できる。さらにパージ用ガスに冷媒・オイルの物性に影
響を与えないＨＣ系のナチュラルガス使用して据え付け
が可能となることから、製品の信頼性・安全性を向上さ
せることができる。Even when an HFC system is used as an alternative refrigerant to the refrigeration cycle in place of the conventional HCFC system and an ester oil is used as a lubricating oil, a purge gas is built in the outdoor unit, so that an air purge system is used. Since it is not necessary to carry a separate gas cylinder, installation work can be simplified, and at the same time, the use of HC-based natural gas as the purge gas allows the release of refrigerant into the atmosphere, which has a high ozone depletion potential and a high global warming potential. Can be prevented. Furthermore, since the installation can be performed by using an HC-based natural gas that does not affect the physical properties of the refrigerant and the oil as the purge gas, the reliability and safety of the product can be improved.
【図１】本発明の第１の実施例における空気調和機のサ
イクル構成図FIG. 1 is a diagram illustrating a cycle configuration of an air conditioner according to a first embodiment of the present invention.
【図２】本発明の第２と第３の実施例における空気調和
機のサイクル構成図FIG. 2 is a cycle configuration diagram of an air conditioner according to second and third embodiments of the present invention.
【図３】本発明の第４と第５の実施例における空気調和
機のサイクル構成図FIG. 3 is a cycle configuration diagram of an air conditioner according to fourth and fifth embodiments of the present invention.
【図４】本発明の第４と第５の実施例における、第二の
３方弁の詳細動作を示す説明図FIG. 4 is an explanatory diagram showing a detailed operation of a second three-way valve in fourth and fifth embodiments of the present invention.
１ 圧縮機 ２ 室外熱交換器 ３ 絞り装置 ４ 液側３方弁 ５ 室内熱交換器 ６ ガス側３方弁 ７ ガスボンベ ８ 内外接続配管 １１ 圧縮機 １２ 室外熱交換器 １３ 絞り装置 １４ 液側３方弁 １５ 室内熱交換器 １６ ガス側３方弁 １７ ＨＣ系ガスボンベ １８ 内外接続配管 ２１ 圧縮機 ２２ 室外熱交換器 ２３ 絞り装置 ２４ 液側２方弁 ２５ 室内熱交換器 ２６ ガス側３方弁 ２７ 第二の３方弁 ２８ 内蔵ＨＣ系ガスボンベ ２９ 内外接続配管 DESCRIPTION OF SYMBOLS 1 Compressor 2 Outdoor heat exchanger 3 Throttle device 4 Liquid side three-way valve 5 Indoor heat exchanger 6 Gas side three-way valve 7 Gas cylinder 8 Internal / external connection piping 11 Compressor 12 Outdoor heat exchanger 13 Throttle device 14 Liquid side three-way Valve 15 Indoor heat exchanger 16 Gas side three-way valve 17 HC gas cylinder 18 Internal / external connection piping 21 Compressor 22 Outdoor heat exchanger 23 Throttle device 24 Liquid side two-way valve 25 Indoor heat exchanger 26 Gas side three-way valve 27 Two-way three-way valve 28 Built-in HC gas cylinder 29 Internal / external connection piping
───────────────────────────────────────────────────── フロントページの続き 審査官 小野 孝朗 (56)参考文献 特開 平３−70953（ＪＰ，Ａ) 特開 平７−4790（ＪＰ，Ａ) 特開 昭63−140266（ＪＰ，Ａ) 特開 平８−105674（ＪＰ，Ａ) 実開 昭55−20080（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F25B 43/04 F25B 1/00 F25B 45/00 ──────────────────────────────────────────────────続 き Continuation of the front page Examiner Takao Ono (56) References JP-A-3-70953 (JP, A) JP-A-7-4790 (JP, A) JP-A-63-140266 (JP, A) Kaihei 8-105674 (JP, A) Actually open 1980-2008 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) F25B 43/04 F25B 1/00 F25B 45/00
Claims (10)
室外機を接続配管にて液側、ガス側の２箇所にて接続す
るセパレート型空気調和機のエアーをパージする空気調
和機のエアーパージ装置であって、前記室外機に充填し
た冷媒ガスと異なり、オゾン層破壊係数がゼロまたは小
さく、かつ地球温暖化係数がゼロまたは小さい冷媒ガス
を使用して、前記接続配管と前記室内機内部のエアーを
パージすることを特徴とする空気調和機のエアーパージ
装置。An indoor unit, an outdoor unit, the indoor unit and the indoor unit;
Connect the outdoor unit at two points, the liquid side and the gas side, with connection piping.
Air to purge air from separate air conditioners
A air purge apparatus sum machine, unlike the refrigerant gas charged into the outdoor unit, the ozone layer destruction coefficient is zero or small, and global warming potential zero or smaller refrigerant gas
Use, the connecting pipes and the indoor unit interior air
Air purge of the air conditioner, characterized by purging
Equipment .
系冷媒とし、前記使用する冷媒ガスとしてＨＣ系冷媒を
用いることを特徴とする請求項１記載の空気調和機のエ
アーパージ装置。2. Refrigerant gas charged in the outdoor unit is supplied to an HFC.
And a HC-based refrigerant as the refrigerant gas used.
The air conditioner according to claim 1, wherein the air conditioner is used.
Arc purge device .
系オイルとし、前記使用する冷媒ガスとしてＨＣ系冷媒
を用いることを特徴とする請求項１記載の空気調和機の
エアーパージ装置。3. The lubricating oil filled in the outdoor unit is esterified.
Oil and the refrigerant gas used is HC-based refrigerant
The air conditioner according to claim 1, wherein
Air purge device .
室外機を接続配管にて液側、ガス側の２箇所にて弁で接
続し、少なくともどちらか一方に３方弁を具備するセパ
レート型空気調和機のエアーをパージする空気調和機の
エアーパージ方法であって、前記３方弁のサービスポー
トより、前記室外機に充填した冷媒ガスと異なり、オゾ
ン層破壊係数がゼロまたは小さく、かつ地球温暖化係数
がゼロまたは小さい冷媒ガスを使用して、接続配管と室
内機内部のエアーをパージすることを特徴とする空気調
和機のエアーパージ方法。 4. An indoor unit, an outdoor unit, the indoor unit, and the indoor unit.
Connect the outdoor unit with valves at two locations on the liquid side and gas side with connection piping
And a separator equipped with a three-way valve on at least one
Of air conditioners that purge air from rate type air conditioners
An air purging method , wherein a refrigerant gas having an ozone depletion potential of zero or small and a global warming potential of zero or small is used , unlike the refrigerant gas filled in the outdoor unit, from the service port of the three-way valve. Te, air conditioner, characterized in that to purge the connecting pipes and the indoor unit interior air
Air purge method of Waki .
系冷媒とし、前記使用する冷媒ガスとしてＨＣ系冷媒を
用いることを特徴とする請求項４記載の空気調和機のエ
アーパージ方法。 5. The method according to claim 1, wherein the refrigerant gas charged in the outdoor unit is supplied to an HFC.
And a HC-based refrigerant as the refrigerant gas used.
5. The air conditioner according to claim 4, wherein the air conditioner is used.
Arc purge method .
系オイルとし、前記使用する冷媒ガスとしてＨＣ系冷媒
を用いることを特徴とする請求項４記載の空気調和機の
エアーパージ方法。6. The method according to claim 6, wherein the lubricating oil charged in the outdoor unit is an ester.
Oil and the refrigerant gas used is HC-based refrigerant
The air conditioner according to claim 4, wherein
Air purge method .
室外機を接続配管にて液側、ガス側の２箇所にて接続す
るセパレート型空気調和機において、施工時、ＨＣ系冷
媒ガスを使用して、前記接続配管と前記室内機内部のエ
アーをパージし、前記ＨＣ系冷媒ガスが空気調和機内に
残存して運転することを特徴とする空気調和機。7. The indoor unit, the outdoor unit, the indoor unit and the indoor unit
Connect the outdoor unit at two points, the liquid side and the gas side, with connection piping.
When installing a separate type air conditioner,
Using a medium gas, the air inside the connection pipe and the indoor unit
Purges the air, and the HC-based refrigerant gas enters the air conditioner.
An air conditioner characterized by operation while remaining .
室外機を接続配管にて液側、ガス側の２箇所にて弁で接
続するセパレート型空気調和機において、前記弁を液側
に２方弁、ガス側に第一の３方弁を具備し、前記室外機
の前記２方弁近くに、オゾン層破壊係数がゼロまたは小
さく、かつ地球温暖化係数がゼロまたは小さい冷媒ガス
を充填したボンベと第二の３方弁を内蔵し、据え付け工
事のさい、前記第二の３方弁の操作により前記冷媒ガス
にて前記第二の３方弁から前記第一の３方弁の間をパー
ジし、再度前記第二の３方弁の操作により冷凍サイクル
と前記２方弁を接続し、据え付け工事ができることを特
徴とする空気調和機。 8. The indoor unit, the outdoor unit, the indoor unit and the indoor unit
Connect the outdoor unit with valves at two locations on the liquid side and gas side with connection piping
In a separate type air conditioner for connection, 2-way valve the valve on the liquid side, comprising a first 3-way valve on the gas side, the outdoor unit
Wherein the 2-way valve close, ozone depletion is zero or less, and an internal cylinder and a second three-way valve that global warming potential was filled with zero or small refrigerant gas <br/>, installation engineering of
At this time, the space between the second three-way valve and the first three-way valve is purged with the refrigerant gas by the operation of the second three-way valve , and again. An air conditioner wherein an installation work can be performed by connecting the refrigeration cycle and the two-way valve by operating the second three-way valve.
ＦＣ系冷媒とし、前記ボンベに充填する冷媒ガスとして
ＨＣ系冷媒を用いることを特徴とする請求項８記載の空
気調和機。 9. The refrigerant gas used in the air conditioner is H
As FC refrigerant, as refrigerant gas to fill the cylinder
9. The air according to claim 8, wherein an HC-based refrigerant is used.
Air conditioner.
エステル系オイルとし、前記ボンベに充填する冷媒ガス
としてＨＣ系冷媒を用いることを特徴とする請求項８記
載の空気調和機。 10. A lubricating oil used in the air conditioner.
Refrigerant gas that fills the cylinder as ester oil
9. The method according to claim 8, wherein an HC-based refrigerant is used.
Onboard air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00421095A JP3329113B2 (en) | 1995-01-13 | 1995-01-13 | Air purge device for air conditioner, air purge method for air conditioner, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00421095A JP3329113B2 (en) | 1995-01-13 | 1995-01-13 | Air purge device for air conditioner, air purge method for air conditioner, and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08189711A JPH08189711A (en) | 1996-07-23 |
| JP3329113B2 true JP3329113B2 (en) | 2002-09-30 |
Family
ID=11578276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00421095A Expired - Fee Related JP3329113B2 (en) | 1995-01-13 | 1995-01-13 | Air purge device for air conditioner, air purge method for air conditioner, and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3329113B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2383553T3 (en) * | 2000-03-27 | 2012-06-22 | Mitsubishi Denki Kabushiki Kaisha | Single phase AC / DC converter |
| WO2021234868A1 (en) * | 2020-05-20 | 2021-11-25 | 三菱電機株式会社 | Refrigeration cycle device |
| WO2021234869A1 (en) * | 2020-05-20 | 2021-11-25 | 三菱電機株式会社 | Refrigeration cycle apparatus manufacturing method |
-
1995
- 1995-01-13 JP JP00421095A patent/JP3329113B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08189711A (en) | 1996-07-23 |
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