JPH0323733U - - Google Patents
Info
- Publication number
- JPH0323733U JPH0323733U JP1989082584U JP8258489U JPH0323733U JP H0323733 U JPH0323733 U JP H0323733U JP 1989082584 U JP1989082584 U JP 1989082584U JP 8258489 U JP8258489 U JP 8258489U JP H0323733 U JPH0323733 U JP H0323733U
- Authority
- JP
- Japan
- Prior art keywords
- low pressure
- control means
- air conditioner
- low
- pressure increase
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図は請求項１の考案にかかる空気調和機の
機能対応図、第２図は本考案の実施例１（即ち、
請求項１の考案に対応する実施例）にかかる空気
調和機の冷媒回路図、第３図は本考案の実施例１
にかかる空気調和機における制御装置の作用を説
明するためのフローチヤート、第４図は請求項２
の考案にかかる空気調和機の機能対応図、第５図
は本考案の実施例２（即ち、請求項２の考案に対
応する実施例）にかかる空気調和機の冷媒回路図
、第６図は本考案の実施例２にかかる空気調和機
における制御装置の作用を説明するためのフロー
チヤート、第７図は請求項３の考案にかかる空気
調和機の機能対応図、第８図は本考案の実施例３
にかかる空気調和機における制御装置の作用を説
明するためのフローチヤートである。
１……圧縮機、３……室外側熱交換器、５Ａ，
５Ｂ……室内側熱交換器、９……低圧圧力スイツ
チ、１２……制御装置、１３……低圧上昇制御手
段、１４……低圧圧力スイツチ制御手段、１５…
…圧縮機能力制御手段、１６……低圧制御解除遅
延手段、１７……圧縮機能力制御遅延手段、Ｘ…
…室外ユニツト、Ａ，Ｂ……室内ユニツト。
FIG. 1 is a functional correspondence diagram of the air conditioner according to the invention of claim 1, and FIG.
A refrigerant circuit diagram of an air conditioner according to an embodiment corresponding to the invention of claim 1, FIG. 3 is a first embodiment of the invention.
A flowchart for explaining the operation of the control device in the air conditioner according to claim 2, FIG.
FIG. 5 is a refrigerant circuit diagram of the air conditioner according to the second embodiment of the present invention (that is, the embodiment corresponding to the invention of claim 2), and FIG. A flow chart for explaining the operation of the control device in the air conditioner according to the second embodiment of the present invention, FIG. 7 is a functional correspondence diagram of the air conditioner according to the third embodiment, and FIG. Example 3
2 is a flowchart for explaining the operation of the control device in the air conditioner according to the present invention. 1...Compressor, 3...Outdoor heat exchanger, 5A,
5B...Indoor heat exchanger, 9...Low pressure switch, 12...Control device, 13...Low pressure increase control means, 14...Low pressure switch control means, 15...
...Compression function force control means, 16...Low pressure control release delay means, 17...Compression function force control delay means, X...
...Outdoor unit, A, B...Indoor unit.
Claims (1)
器３を備えた室外ユニツトＸに対して、室内側熱
交換器５Ａ，５Ｂ・・をそれぞれ備えた複数の室
内ユニツトＡ，Ｂ・・を連結してなり、前記圧縮
機１の吸入側に異常停止用の低圧圧力スイツチ９
が付設されているマルチタイプの空気調和機にお
いて、低外気温度条件下における非全室冷房運転
時において冷媒回路の低圧圧力が所定値に降下し
た時点で作動して低圧を上昇せしめるべく作用す
る低圧上昇制御手段１３と、該低圧上昇制御手段
１３による低圧上昇過程中に室内ユニツトＡ，Ｂ
・・の運転台数が増加した場合において前記低圧
上昇制御手段１３による低圧上昇制御が解除され
た時点から所定時間だけ前記低圧圧力スイツチ９
の作動を禁止すべく作用する低圧圧力スイツチ制
御手段１４とを付設したことを特徴とする空気調
和機。 ２ 能力制御可能な圧縮機１および室外側熱交換
器３を備えた室外ユニツトＸに対して、室外側熱
交換器５Ａ，５Ｂ・・それぞれ備えた複数の室内
ユニツトＡ，Ｂ・・を連結してなる空気調和機に
おいて、低外気温度条件下における非全室冷房運
転時において冷媒回路の低圧圧力が所定値に降下
した時点で作動して低圧を上昇せしめるべく作用
する低圧上昇制御手段１３と、該低圧上昇制御手
段１３の作用による低圧上昇過程中に室内ユニツ
トＡ，Ｂ・・の運転台数が増加した場合において
低圧圧力が目標値まで上昇した時点で圧縮機１の
能力を増大せしめるべき指令を出力する圧縮機能
力制御手段１５と、該圧縮機能力制御手段１５の
指令による能力増加制御後において所定時間だけ
前記低圧上昇制御手段１３の解除を遅らせるべく
作用する低圧制御解除遅延手段１６とを付設した
ことを特徴とする空気調和機。 ３ 能力制御可能な圧縮機１および室外側熱交換
器３を備えた室外ユニツトＸに対して、室内側熱
交換器５Ａ，５Ｂ・・をそれぞれ備えた複数の室
内ユニツトＡ，Ｂ・・を連結してなる空気調和機
において、低外気温度条件下における非全室冷房
運転時において冷媒回路の低圧圧力が所定値に降
下した時点で作動して低圧を上昇せしめるべく作
用する低圧上昇制御手段１３と、該低圧上昇制御
手段１３の作用による低圧上昇過程中に室内ユニ
ツトＡ，Ｂ・・の運転台数が増加した場合におい
て前記低圧上昇制御手段１３の作用による低圧上
昇制御を解除後において所定時間だけ遅らせて前
記圧縮機１の能力を増大せしめるべく指令を出力
する圧縮機能力制御遅延手段１７とを付設したこ
とを特徴とする空気調和機。[Claims for Utility Model Registration] 1. For an outdoor unit X equipped with a capacity controllable compressor 1 and an outdoor heat exchanger 3, a plurality of indoor unit The units A, B, etc. are connected to each other, and a low pressure switch 9 for abnormal stop is provided on the suction side of the compressor 1.
In multi-type air conditioners equipped with a low-pressure air conditioner, the low-pressure air conditioner operates when the low-pressure pressure in the refrigerant circuit drops to a predetermined value during non-all-room cooling operation under low outside temperature conditions to raise the low pressure. The rise control means 13 and the indoor units A and B during the low pressure rise process by the low pressure rise control means 13.
When the number of operating units increases, the low pressure switch 9 is activated for a predetermined period of time from the time when the low pressure increase control by the low pressure increase control means 13 is canceled.
An air conditioner characterized in that it is further equipped with a low-pressure pressure switch control means 14 that acts to inhibit the operation of the air conditioner. 2. A plurality of indoor units A, B, etc. each equipped with outdoor heat exchangers 5A, 5B, etc. are connected to an outdoor unit In the air conditioner, a low pressure increase control means 13 operates to increase the low pressure when the low pressure of the refrigerant circuit drops to a predetermined value during non-all room cooling operation under low outside temperature conditions; When the number of operating indoor units A, B, etc. increases during the low pressure increase process due to the action of the low pressure increase control means 13, a command to increase the capacity of the compressor 1 is issued when the low pressure increases to the target value. Compression function force control means 15 for outputting the compressor function force control means 15 and low pressure control release delay means 16 that act to delay the release of the low pressure increase control means 13 by a predetermined time after the capacity increase control according to the command of the compression function force control means 15 are attached. An air conditioner characterized by: 3. A plurality of indoor units A, B, etc. each equipped with indoor heat exchangers 5A, 5B, etc. are connected to an outdoor unit X equipped with a capacity controllable compressor 1 and an outdoor heat exchanger 3. In the air conditioner, the low pressure increase control means 13 operates to increase the low pressure when the low pressure of the refrigerant circuit drops to a predetermined value during non-all-room cooling operation under low outside temperature conditions. , when the number of operating indoor units A, B, etc. increases during the low pressure increase process due to the action of the low pressure increase control means 13, delaying the low pressure increase control by the action of the low pressure increase control means 13 by a predetermined period of time after canceling the low pressure increase control. An air conditioner characterized in that the air conditioner is further equipped with compression function power control delay means 17 for outputting a command to increase the capacity of the compressor 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989082584U JPH0323733U (en) | 1989-07-12 | 1989-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989082584U JPH0323733U (en) | 1989-07-12 | 1989-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0323733U true JPH0323733U (en) | 1991-03-12 |
Family
ID=31629533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989082584U Pending JPH0323733U (en) | 1989-07-12 | 1989-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323733U (en) |
-
1989
- 1989-07-12 JP JP1989082584U patent/JPH0323733U/ja active Pending
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