广东11选5

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空调常见制冷系统维修要点

发布日期:[2020-02-27 12:27:00]    共阅[]次

防爆空调专业生产厂家无锡新业防爆空调2020年2月27日讯  制冷系统故障是我们维修当中常见的故障,故障现象也是五花八门,千奇百怪,但还是有规律可循,有经验可借鉴。这里介绍的是空调制冷系统故障的检查步骤,虽不是必须的,但是维修时应顺着此思路进行检修。


一、制冷系统检修要点


1、观察内外机的工作情况:


广东11选5 RUZHISHIDENGBANDEXIANSHIQINGKUANG,NEIJISHIFOUGONGZUO,FENGSUSHUCHUSHIFOUZHENGCHANG,WAIJIFENGSHAN、YASUOJISHIFOUYUNXING,CONGERPANDUANSHIDIANQIWENTIHAISHIXITONGWENTIDAOZHIDEBUZHILENG。


2、检测空调器各项数据:


A、KONGDIAOLIUSHUIQINGKUANG,YIBANNEIJIDISHUILIANXUKONGDIAOZHENGCHANG,DANSHOUHUANJINGSHIDU、WENDUYINGXIANGZHINENGZUOWEIYICANKAOZHI。


B、JINCHUFENGKOUWENCHA,ZHENGCHANGDEJINCHUFENGWENCHAYINGZAI12-14DU,DANYEHUISHOUHUANJINGWENDU、FENGSUDEYINGXIANG。


C、CELIANGXITONGGUANLUYALIZHI,YIBANZHILENGSHI(R22)DIYAYALIZAI0.45Mpa-0.50Mpa,ZHIRESHIGAOYAYALIZAI1.8Mpa-2.2MpaZHIJIAN(R410A、R32SHIQIYUE1.6BEI),DANYALIYAOSHOUHUANJINGWENDUYINGXIANG,KONGDIAOJINFENGWENDUYUEGAO,PAIQIYALIYUEGAO,LENGNINGWENDUYUEGAO,FANZHIZEXIAO;KONGDIAOFUHEYUEDA,XIQIYALIYUEGAO,ZHENGFAWENDUSHENGGAO(ZHENGFAQIZHENGCHANGZHENGFAWENDUZAI5-7DUZHIJIAN)。


二、制冷系统故障类型


1、制冷系统堵:


CHANGCHANGFASHENGZAIMAOXIGUANJIGANZAOGUOLVQICHU,YINWEIZHEILIANGGEDIFANGSHIXITONGZHONGZUIXIAZHAIDEDIFANG,CHANGJIANDEDUSAIYUANYINYOUSANZHONG:ZANGDU、BINGDUJIHANDU。


广东11选5 A、ZANGDUYIBANFASHENGZAIMAOXIGUANDEJINKOUCHU,SHIYINXITONGNEIDEWUWU(RUHANZHA、XIUXIAO、YANGHUAPIDENG)DUSAILEGUANLU,JIANCHASHIQINGQINGQIAOJIMAOXIGUANCHUKENENGHUIZANSHIHUIFUZHENGCHANG,LINGCONGGUANLUHEYUANJIANBIAOMIANNINGLU、JIESHUANGYIJITINGJISHIYALIHUIFUSUDUSHIJIANDENGDOUKEYIDUIDUSAIDEWEIZHIJIXINGZHIZUOCHUPANDUAN。


广东11选5 B、BINGDUYIBANFASHENGZAIMAOXIGUANDECHUKOUCHU,SHIYINXITONGHANYOUSHUIFEN,ZAIMAOXIGUANCHUKOUCHUTURANQIHUAJIANGWENERNINGJIECHENGXIAOBINGLIDUSAIZAIMAOXIGUANDECHUKOUCHU,PANDUANSHIKEZAIMAOXIGUANCHUKOUCHUYONGHANQIANGJIARERUGUOXIAOGUOHUIFUZHENGCHANGHUOHAOZHUANSHUOMINGSHIBINGDU,HUOSHIZAIKONGDIAOGUANJIHOUZAIKAIJIJIQIYOUNENGZHILENGYIDUANSHIJIAN,SHUOMINGSHIBINGDU,BINGDUYIBANFASHENGZAIXINZHUANGJIHUOGANGWEIXIUGUODEKONGDIAOSHANG。


C、HANDUYIBANYESHIFASHENGZAIMAOXIGUANDEHANJIECHU,XIANXIANGYUZANGDUBINGDUCHABUDUO,DUOFASHENGZAIXINZHUANGJISHANG。


2、制冷系统漏:


KONGDIAOZHILENGZHIREDEZAITISHIZHILENGJI,RUXITONGCHUXIANLOUDIAN,ZHILENGJIXIELOUZEKONGDIAOZHILENGCHAHUOWANQUANBUZHILENG,ERKONGDIAOQICHUXIANXIELOUDEDIFANGZHUYAOJIZHONGZAILIANGQIDEGEHANJIETOU、MAOXIGUANHANJIECHU、YASUOJIXIPAIQIGUAN、LABAKOU、TONGNAZILIE、LIANJIEGUANDENGCHU,YAOJIANCHASHIKEXIANJINXINGMUCE,ZHONGDIANJIANCHALIANJIEGUANGEJIETOUCHU,XIELOUCHUYIBANDOUYOUYOUJI。


3、四通阀故障:


TONGCHANGFASHENGZAIZHIRESHI,SITONGFAXIHEBUHAO、CHUANQIHUOKASI,YINQIZHIREXINGNENGCHA,ZAIPANDUANSHIKEDUISITONGFATONGDUANDIANTINGXIHESHIFOULIANGHAO,ZAIWEIXIUSHIKETONGGUOFANFUJISITONGFATONGDIANHUOQINGQINGQIAODASITONGFASHIQIFUWEI。


4、单向阀故障:


DANXIANGFAZAIZHILENGSHIZHIJIEDAOTONG,DANZAIZHIRESHIZHILENGJIYAOTONGGUOFUZHUMAOXIGUAN,DANGDANXIANGFAMIFENGBUYANHUOSHIFUZHUMAOXIGUANDUSAISHI,ZHIREZAISHOUYINGXIANG,YINCIRUGUOKONGDIAOZHILENGZHENGCHANGDANZHIRECHASHI,ZAIPAICHUSITONGFAWENTIHOUYAOZHONGDIANJIANCHADANXIANGFA。 


三、维修案例分析


案例一:外机毛细管冰堵


故障故障现象:不制冷


YUANYINFENXI:SHANGMENJIANCHAKONGDIAOZAIGANGKAIJISHIZHILENGZHENGCHANG,YUE25FENZHONGHOUKONGDIAOYALI、DIANLIUJIANGDI,YONGHUFANYINGCIKONGDIAOCENGHUANGUOYASUOJI,YINCIPAICHUYASUOJIBENSHENGUZHANG。YOUYUKAIJI25FENZHONGNEIZHILENGJIBENZHENGCHANG,YINCICHUBUFENXIKENENGWEIXITONGZANGDUHUOBINGDU,DAKAISHIWAIJIDINGBAN,GUANCHAFAXIANMAOXIGUANCHUKOUCHUJIESHUANG,YONGDAHUOJIKAOJIESHUANGCHU,YALIDIANLIUHUIFUZHENGCHANG,PANDUANWEIXITONGBINGDU,HOUJINGLEJIEWEIGENGHUANYASUOJISHIZHENGHAOXIAYU,YOUSHUIFENJINRUXITONG。


广东11选5 JIEJUECUOSHI:JIANGZHILENGJIHUISHOUDAOSHIWAIJI,ZAIWAIJIDIYAGUANCHUJIAZHUANGGANZAOGUOLVQI,ZHONGXINPAIKONGKAIJIYUNXING,ZHIZHIBINGDUWANQUANXIAOCHU,CHAIDIAOGANZAOGUOLVQI,KAIJIZHILENGXIAOGUOZHENGCHANG。


广东11选5 JINGYANZONGJIE:WEIXIURENYUANZAIDUIXITONGJINXINGWEIXIUSHIYAOBIMIANXITONGJINSHUI,FOUZERONGYIXINGCHENGBINGDU。ZAIPANDUANSHIBINGDUHAISHIZANGDUSHIKEYIGUANCHAWAIJIMAOXIGUANCHU,RUOJIESHUANGDEWEIZHISHICONGMAOXIGUANJINKOUCHUKAISHI,ZEWEIZANGDU,RUOSHICONGMAOXIGUANCHUKOUCHUKAISHIZEWEIBINGDU。


案例二:外机毛细管脏堵


故障现象:制冷效果差


YUANYINFENXI:SHANGMENKAIJIJIANCHA,JIQINENGZHENGCHANGYUNZHUAN,JIANCHASHINEIJIGUOLVWANGJIHUANREQI、SHIWAIJIHUANREQIDOUBIJIAOGANJINGBUHUIYINGXIANGDAOZHILENGXIAOGUO。CHASHINEIWAIFENGJIDIANRONGJIGEXIANGCANSHUZHENGCHANG,CEDIANYA220V、DIANLIU13.5A、DIYAYALI0.4MPa、WUJIAZHANGGUANXIAN,SHIWAIJIYASUOJIYUNZHUANYEZHENGCHANG,BIAOMIANKANLAIYEWEIFAXIANJIELIUXIANXIANG。JIQIDAYUEYUNZHUAN20FENZHONGHOU,ZAICICELIANGDIANLIUJIYALI,FAXIANDIANLIUWEI15A、XITONGYALIWEI0.3MPa,ZHILENGXIAOGUOBIANCHA,GENJU:CELIANGSHUJUFENXIXITONGYOUDUHUOYOUJIELIUDEDIFANG,JIANCHASHINEIWAIJIZHIJIANLIANJIEGUANBINGWUWENTI,BUCUNZAIJIELIUXIANXIANG,KAOLVJIELIUZHUANGZHI(MAOXIGUAN)WEIYUSHIWAIJI,YINCIZHEZHONGJIANCHASHIWAIJIMAOXIGUAN,GUANCHAFAXIANLIANJIEFENPEIQIDEMAOXIGUANYOULIANGZULVEJIESHUANG,YOUCIKEYIPANDUANSHIGAIZUMAOXIGUANWENTI,JIANGGAIFENPEIQIYUMAOXIGUANHANKAI,FAXIANFENPEIQINEIBUGUOLVWANGYIJINGBEIYOUNIJIYIWUDUZHU,DANWEIDUSI,CONGERDAOZHIGAIZUMAOXIGUANDELIULIANGBUZUERYINQIJIELIU、JIESHUANG。


JIEJUECUOSHI:JIANGGAIJIQIFENPEIQIGENGHUANXINJIANHOU,XITONGJINXINGDANQIQINGXI,CHOUZHENKONG,CHONGFUHOUZHENGJIJINXING,XIAOGUOLIANGHAO。


JINGYANZONGJIE:DUIYUYIXIEFANYINGZHILENGXINGNENGJIAOCHADEJIQI,YINGZONGHEKAOLV,DANYINGYOUQINGXIDECHULISILU,YOUZHUDAOCI,YOUBIAOJILI,YOUWAIDAONEIJINXINGZHUBUDECHAZHAO,YIBANYAOKAOLVYIXIAQINGKUANG


广东11选5 1、KAOLVJIQISHIFOUZHENGCHANGGONGZUO。


广东11选5 2、SHINEIWAIJISANREQINGKUANGRUHE,KAOLVSHIYONGCHANGSUOYOUWUYINGXIANG。


3、KAOLVSHINEIWAIFENGJIZHUANSUYINGXIANGSANRE。


4、CELIANGGEXIANGCANSHUSHIFOUZHENGCHANG,CONGERFENXIYUANYIN。


广东11选5 5、JIQIYOUWUGUANXIANJIAZHANG,KAOLVJIAZHANGGUANXIANDUIJIQIXINGNENGDEYINGXIANG。


6、SHIWAIJIYASUOJIYOUWUTOUTINGXIANXIANG,KAOLVJIANXIEGONGZUODEYINGXIANG。


7、XITONGYOUWUJIELIU,KAOLVLENGMEILIULIANGDUIZHILENGXINGNENGDEYINGXIANG。 


案例三:内机蒸发器分液毛细管堵


故障现象:制冷效果差


广东11选5 YUANYINFENXI:CIJIWEIXINZHUANGJI,LIANGQIGANJING,NEIWAIJITONGFENGZHENGCHANG,JIANCHAYONGHUDIANYUANZHENGCHANG,NEIJICHUFENGZHENGCHANG,JIANCESHINEIJIJINCHUFENGKOUWENCHAPIANXIAO,GUANCHASHIWAIJILIANJIEGUANCHU,FAXIANDIYAGUANCHUJIESHUANG,YINCIPANDUANXITONGFULIANGGUODUO,FANGDIAOBUFENFULIANGHOUXIAOGUOGENGCHA,FENXICUOWU,YINCIFENXIXITONGCUNZAIJIELIU,DAKAISHINEIJIMIANBAN,CHUMOZHENGFAQI,FAXIANZHENGFAQISHANGXIABUFENWENCHAMINGXIANPIANGAO,ZAIYONGSHOUMONEIJIZHENGFAQIFENYEMAOXIGUAN,FAXIANXIALIANGLUMAOXIGUANZHIYOUWEILENGBINGYOUQINGWEIJIESHUANG,YINCIPANDUANWEICILIANGLUMAOXIGUANZU。


广东11选5 JIEJUECUOSHI:HANXIACILIANGLUMAOXIGUAN,CHUXIANMAOXIGUANKOUCHUYOUHANYEJIANGMAOXIGUANCHUKOUCHUZUSAI,GENGHUANMAOXIGUANHOUSHIJIZHENGCHANG。


JINGYANZONGJIE:GENJUGUZHANGBIAOMIANXIANXIANG,HENRONGYIWURENWEIXITONGDUOFU,CILEIXIANXIANGFENXISHI,SHOUXIANYINGKANSHINEIJIFENGLIANGSHIFOULIANGHAO。RUZHENGCHANG,ZAICHAKANGUANLUSHIFOUERCIJIELIU,ZIXIFENXIGUZHANGXIANXIANG,ZUIZHONGPANDUANSHISHENMEGUZHANG。 


案例四:外机过滤器脏堵


故障现象:不制冷,室外机启停频繁


广东11选5 YUANYINFENXI:SHANGMENWEIXIU,BUZHILENG,SHIWAIJIQITINGPINFAN,SHINEIJINENGZHENGCHANGYAOKONGYUNXING,DANSHIWAIJIZAISANFENZHONGZUOYOUQITING,QIESANFENZHONGNEICHUFENGBULENG,YOUCICHUBUPANDUANWEIZHILENGXITONGGUZHANG,YONGYALIBIAOCESHIDIYACEYALI,YOUYUTINGJISHIPINGHENGYALIWEI1.1MPa,DAOQIDONGHOUZHUJIANJIANGDAO0.1MPaDAOTINGJIHOUZHUJIANFANHUIPINGHENGYALI,QIEZAIWAIJIYUNXINGSHIFAXIANCONGGUOLVQIKAISHIDAOMAOXIGUANDAOGAOYAGUANQUANBUJIESHUANG,YOUCIKEYIDUANDINGWEIGUOLVQIZANGDU。


JIEJUECUOSHI:GENGHUANXINGUOLVQIHOU,SHIJIYIQIEZHENGCHANG。


JINGYANZONGJIE:DUIYUWAIJIQIDONGPINFANDEGUZHANG,SHOUXIANQUERENSHIDIANLUGUZHANGHUOZHILENGXITONGGUZHANG。YIBANGUOLVQIDUHUICHUXIANYIXIAXIANXIANG:MAOXIGUANCHUKOUJIESHUANG,ZHENGFAQIJUBUYEHUIJIESHUANG,JIANCEDIYAYALIDIYUZHENGCHANGZHI,GAOYAYALILVEDIYUZHENGCHANGYALI,TINGJIPINGHENGYALIJIEJINHUANJINGWENDUXIADEBAOHEYALI,YASUOJIPAIQIWENDUJIJIQIAOWENDUSHENGGAO。YUDAODIANLIUPIANDA,TIAOTINGXIANXIANGBUYIDINGJIUSHIYASUOJIGUZHANG,YAOZONGHEKAOLVGUZHANGXIANXIANG,YIBANKONGDIAOWEIXIUSHIYAOJIANCHADIANLIUJIWEIXIUYALI,DIANLIUDA、YALIDISHIXITONGDU,ZHEZHONGJIANCHAGUOLVQIJIMAOXIGUAN。 


案例五、蒸发器连接管漏


故障现象:不制冷


广东11选5 YUANYINFENXI:YONGHUFANYINGBUZHILENG,JINGJIANCHASHINEIWAIJIDOUYUNZHUAN,PAICHUYOUJIECHUBULIANGXIANXIANG,ZAIJIANCEYUNXINGYALISHIFAXIANSHIWAIJIYUNXINGYALIWEIFUYA,JIANCENEIWAIJIGUANZIJIETOUCHUWULOUFUXIANXIANG,NEIJIZHENGFAQIJIWAIJIDOUWEIFAXIANLOUDIAN,DANGCHAIXIANEIJIJIANCHASHI,FAXIANZHENGFAQILIANJIEGUANBAOHUDANHUANGCHUYOUYILIEFENG。


JIEJUECUOSHI:BUHANHOUZAICIDAYAWULOUDIAN,CHOUZHENKONGDINGLIANGJIAFUHOUGONGZUOZHENGCHANG。


广东11选5 JINGYANZONGJIE:DUIYUYIXIELOUDIANHENNEIWAIJIDOUHENNANZHAODAOSHI,YAOTEBIEZHUYIZHENGFAQILIANJIEGUANCHU,CICHUSHIFENYINBI,WANGWANGHENNANFAXIAN。


案例六:连接管喇叭口裂


故障现象:制冷、制热效果差


YUANYINFENXI:KAIJIZHILENGYUNXINGZHENGJIDOUGONGZUO,NEIJICHUFENGZHENGCHANG,LIANGQIYEHENGANJING,DANJINCHUFENGKOUWENCHAHENXIAO,YUNXING5FENZHONGZUOYOU,FAXIANNEIJIZHENGFAQIJIESHUANG,CHUBUPANDUANXITONGQUEFU,JIANCEDIYAYALIZHIYOU3KG,TINGJIJIAFUJIANLOUNEIWAIJIJILIANJIEGUANJIEKOUFAXIANDIYALIANJIEKOUCHUYOUYOUJI。


广东11选5 JIEJUECUOSHI:SHOUFUHOUNINGKAIJIEKOUFAXIANYOUYIXIXIAOLIEWEN,ZHONGZUOLABAKOU,GAOYAJIANLOUWULOUDIAN,CHOUZHENKONG、JIAFUSHIJIZHENGCHANG。


JINGYANZONGJIE:JIANCHAGUZHANGYIDINGYAOSIWEIMINJIESHIYEKAIKUO,MEIYOUTIAOJIANSHIYIZHAOYUANLICHUANGZAOTIAOJIAN,FENDUANZHUGEPAICHU,ZIXIRENZHENZHIDAOWENTIZHENZHENGJIEJUE。


案例七:连接管铜纳子裂


故障现象:制冷效果差,内机结冰


YUANYINFENXI:CESHISHIWAIJIDIYAYALIHENDI,ZHENGFAQISHANGJIEHENHOUDEBING,HUIQIGUANSHANGYEJIESHUANG,JIANCHAWEIFAXIANGUANDAOYOUZHEBIANXIANXIANG。DADAOSONGFENGMOSHI,HUABINGHOUCEDIYAYALIDIYUZHENGCHANGZHI,JIANLOUFAXIAN,SHINEIJILIANJIEGUANTONGMAOPOLIE。


广东11选5 JIEJUECUOSHI:GENGHUANTONGMAOHOUCHOUZHENKONG、JIAFU。


广东11选5 JINGYANZONGJIE:JUTIQINGKUANGJUTIFENXI,YIBANGENJUJIESHUANGDEBUWEI,MIANJIDAXIAOLAIJINXINGFENXIGUZHANGDEYUANYINSUOZAI,YIBANQINGKUANGXIAXITONGCHAFUYEGUANHUIJIESHUANG,ZHENGFAQISHANGBANBUHUIJIEHENHOUDEBING。


 案例八:高压阀焊漏


故障现象:制冷效果不好且内机漏水


YUANYINFENXI:JIANCHAKONGDIAO,ZHENGJIGONGZUO、ZHILENGXIAOGUOBUHAO。JINGCHAFAXIANNEIJIZHENGFAQIJIESHUANG,HUAIYIXITONGQUEFU,CESHIXITONGYALIHENDI。JIANLOUFAXIANGAOYAFAFATILIANJIEGUANCHULOU,BUHANJIAFUSHIJIZHENGCHANG。


JINGYANZONGJIE:YINKONGDIAOQUEFUERJIESHUANGJIAODUOZAOCHENGNEIJILOUSHUIXIANXIANGQIEZHILENGXIAOGUOCHA,LOUHANQUEFUSHIWENTIDEGENBENSUOZAI。


 案例九:冷凝器分液头焊漏


故障现象:不制冷, “运行灯”和“18”灯同时闪烁,空调不能开机。


YUANYINFENXI:CIJIGANGSHIYONGJINLIANGTIAN,YONGHUFANYINGZHENGJICHUXIANBUZHILENGGUZHANG,SHANGMENJIANCHADIANYA390V,PINGHENGYALIWEI0MPa,JUXIANXIANGJISHUJUFENXIXITONGWUFU,ZHENGJIDIYABAOHU ,DAKAIWAIJIJIQIAOJIANCHAFAXIANWEILENGNINGQIFENYEQIHANJIECHUYOUYOUJIHANLIE,DAOZHILOUFU。


JIEJUECUOSHI:ZHONGXINBUHANHOU,JIAFUZHENGCHANG。


JINGYANZONGJIE:YUNXINGSHIYALIWEILING,HENKUAIJIUKEPANDUANXITONGFULOUWAN,YINGZIXIJIANCHALOUDIAN,YIBANLOUDIANCHUYOUYOUJI,CHUXIANSHUXIDENGSHANSHUOQINGKUANG,WEIXIUQILAISHIBANGONGBEI。


 案例十:冷凝器U型管焊漏


故障现象:不制冷


广东11选5 YUANYINFENXI:KONGDIAOSHIYONGBUDAOYIGEYUE,FANYINGZHILENGXIAOGUOCHA。JINGSHANGMENJIANCHA,FAXIANYASUOJIWENDUJIAOGAO,DIANLIUPIANXIAO,ZHIYOU3AZUOYOU,DIYAYALIYEZHIYOU3kg,ERWAIFENGJIYUNXINGZHENGCHANG,HUAIYIKONGDIAOZHILENGXITONGYOUDU、LOUHUOYASUOJIXIPAIQINENGLICHA,JIANGKONGDIAOLAHUIWEIXIUBU,XIANJINXINGDANQICHUIWU,QINGXI,RANHOUDAYAJIANLOU,FAXIANLENGNINGQIXIADUAN“U”XINGDUANKOUHANJIECHUWEILOU。


JIEJUECUOSHI:BUHAN,CHOUZHENKONGJIAZHILENGJI。


JINGYANZONGJIE:KONGDIAOSHIYONGSHIJIANBUZHANG,ZHILENGXIAOGUOCHA,DUOSHUQINGKUANGSHIZHILENGJIXIELOU。WEIXIUSHIZUIHAOJIANLOU。

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