{"id":2767,"date":"2015-07-29T02:44:05","date_gmt":"2015-07-29T02:44:05","guid":{"rendered":"http:\/\/codienlanh.com\/?p=2767"},"modified":"2015-08-01T01:37:05","modified_gmt":"2015-08-01T01:37:05","slug":"nhung-luu-y-khi-lap-dat-he-thong-may-lanh-trung-tam-vrv","status":"publish","type":"post","link":"https:\/\/codienlanh.com\/en\/nhung-luu-y-khi-lap-dat-he-thong-may-lanh-trung-tam-vrv\/","title":{"rendered":"Nh\u1eefng l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m VRV"},"content":{"rendered":"

<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh \u0111\u00f2i h\u1ecfi nh\u00e0 th\u1ea7u c\u00f3 l\u1ef1c l\u01b0\u1ee3ng n\u00f2ng c\u1ed1t v\u00e0 kh\u00f4ng ng\u1eebng \u0111\u00e0o t\u1ea1o, c\u1eadp nh\u1eadt c\u00f4ng ngh\u1ec7,\u2026 \u0111\u1ebfn \u0111\u1ed9i ng\u1ee7 nh\u00e2n s\u1ef1. \u0110\u1ed1i v\u1edbi nh\u00e0 th\u1ea7u c\u01a1 \u0111i\u1ec7n, sau khi tung ra th\u1ecb tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m<\/a><\/strong> VRV IV \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng m\u1edbi v\u00e0 hi\u1ec7n \u0111\u1ea1i, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ti\u00eau d\u00f9ng h\u1ebft s\u1ee9c tin t\u01b0\u1edfng s\u1eed d\u1ee5ng. \u0110i\u1ec1u \u0111\u00f3 \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi k\u1ef9 s\u01b0 thi c\u00f4ng ph\u1ea3i n\u1eafm v\u1eefng v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t.<\/p>\n

Nh\u00e0 th\u1ea7u c\u01a1 \u0111i\u1ec7n l\u1ea1nh YOCO M&E chuy\u00ean thi c\u00f4ng h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n, c\u01a1 \u0111i\u1ec7n l\u1ea1nh cho c\u00e1c d\u1ef1 \u00e1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t \u0111i\u1ec1u ch\u00fa \u00fd khi thi c\u00f4ng l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m<\/strong> VRV:<\/p>\n

\"Nh\u1eefng<\/a><\/p>\n

Th\u00f4ng th\u01b0\u1eddng sau khi chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 thi c\u00f4ng, x\u00e1c \u0111\u1ecbnh lo\u1ea1i h\u00ecnh c\u00f4ng vi\u1ec7c v\u00e0 chu\u1ea9n b\u1ecb c\u00e1c b\u1ea3n v\u1ebd l\u1eafp \u0111\u1eb7t ch\u00fang ta s\u1ebd ti\u1ebfn h\u00e0nh thi c\u00f4ng theo c\u00e1c b\u01b0\u1edbc ch\u00ednh sau: L\u1eafp \u0111\u1eb7t \u1ed1ng ch\u1edd qua t\u01b0\u1eddng, L\u1eafp \u0111\u1eb7t d\u00e0n l\u1ea1nh, Thanh treo, L\u1eafp \u0111\u1eb7t \u1ed1ng gas, L\u1eafp \u0111\u1eb7t \u1ed1ng n\u01b0\u1edbc ng\u01b0ng, L\u1eafp \u0111\u1eb7t \u1ed1ng gi\u00f3, L\u1eafp \u0111\u1eb7t b\u1ea3o \u00f4n, \u0110i d\u00e2y \u0111i\u1ec1u khi\u1ec3n, L\u1eafp \u0111\u1eb7t d\u00e0n n\u00f3ng, Th\u1eed \u00e1p, H\u00fat ch\u00e2n kh\u00f4ng, Ti\u1ebfn h\u00e0nh ch\u1ea1y m\u00e1y n\u1ea1p gas b\u1ed5 sung.<\/p>\n

\u0110\u00f3 l\u00e0 m\u1ed9t quy tr\u00ecnh v\u00f4 h\u00ecnh chung, nh\u01b0ng trong \u0111\u00f3 ch\u00fang ta c\u1ea7n l\u01b0u \u00fd r\u1ea5t nhi\u1ec1u vi\u1ec7c m\u00e0 n\u1ebfu kh\u00f4ng ch\u00fa \u00fd d\u00f9 nh\u1ecf nh\u01b0ng s\u1ebd mang l\u1ea1i nh\u1eefng phi\u1ec1n ph\u1ee9c cho sau n\u00e0y. Th\u00ed d\u1ee5 nh\u01b0 khi l\u1eafp \u0111\u1eb7t \u1ed1ng ch\u1edd qua t\u01b0\u1eddng ta n\u00ean ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 d\u1ed1c \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc ng\u01b0ng, l\u1eafp \u0111\u1eb7t d\u00e0n l\u1ea1nh c\u1ea7n ki\u1ec3m tra model m\u00e1y th\u1eadt k\u1ef9 tr\u00e1nh sai s\u00f3t sau khi l\u1eafp \u0111\u1eb7t, thanh treo c\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u00fang m\u1ee9c, l\u1eafp \u0111\u1eb7t \u1ed1ng gas theo quy t\u1eafc kh\u00f4, s\u1ea1ch v\u00e0 k\u00edn kh\u00ed, \u2026 Nh\u1eefng \u0111i\u1ec1u \u1ea5y tuy r\u1ea5t nh\u1ecf nh\u01b0ng s\u1ebd c\u00f3 h\u1eadu qu\u1ea3 v\u00f4 c\u00f9ng l\u1edbn.<\/p>\n

Khi l\u1eafp \u0111\u1eb7t B\u1ed9 chia gas \u2013 REFNET joint c\u1ea7n l\u01b0u \u00fd v\u1ec1 kho\u1ea3ng \u0111\u1ed9 khi \u1ed1ng k\u1ebft n\u1ed1i r\u1ebd tr\u00e1i l\u00e0 t\u1ed1i thi\u1ec3u 500 mm v\u00e0 gi\u1eefa hai b\u1ed9 chia gas t\u1ed1i thi\u1ec3u l\u00e0 1000 mm. B\u1edfi v\u00ec n\u1ebfu u\u1ed1n cong g\u1ea7n b\u1ed9 chia gas v\u1edbi v\u1eadn t\u1ed1c gas ch\u1ea1y trong \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 th\u1ec3 g\u00e2y ti\u1ebfng \u1ed3n. Kh\u00f4ng l\u1eafp \u0111\u1eb7t REFNET b\u1ecb nghi\u00eang v\u00ec c\u00f3 th\u1ec3 s\u1ebd l\u00e0m l\u1ec7ch d\u00f2ng gas g\u00e2y ti\u1ebfng \u1ed3n v\u00e0 l\u00e0m h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u00fang, ph\u00e1i ch\u1eafc ch\u1eafn l\u1eafp \u0111\u1eb7t b\u1ed9 chia theo ph\u01b0\u01a1ng ngang.<\/p>\n

M\u1ed9t \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd v\u1ec1 k\u00edch th\u01b0\u1edbc l\u1eafp \u0111\u1eb7t b\u1eaby n\u01b0\u1edbc cho m\u00e1y l\u1ea1nh trung t\u00e2m<\/strong>, t\u1ea1i v\u1ecb tr\u00ed b\u1eaby n\u01b0\u1edbc l\u01b0u \u00fd g\u1eafn n\u00fat x\u1ea3 (\u0111i k\u00e8m v\u1edbi m\u00e1y) \u0111\u1ec3 v\u1ec7 sinh b\u1eaby n\u01b0\u1edbc nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi:<\/p>\n

\"Nh\u1eefng<\/a><\/p>\n

V\u1edbi h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m<\/strong> VRV, vi\u1ec7c t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u01b0ng theo c\u00e1ch t\u00ednh g\u1ea7n \u0111\u00fang ta c\u00f3 th\u1ec3 l\u1ea5y 6l\/h cho m\u1ed7i HP. Th\u00ed d\u1ee5 h\u1ec7 th\u1ed1ng c\u00f3 3 m\u00e1y v\u1edbi 2HP v\u00e0 2 m\u00e1y 3HP th\u00ec l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u01b0ng c\u00f3 th\u1ec3 t\u00ednh to\u00e1n nh\u01b0 sau:<\/p>\n

6l\/h x 2HP x 3 m\u00e1y + 6l\/h x 3HP x 2 m\u00e1y = 72 l\/h<\/p>\n

M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a \u1ed1ng x\u1ea3 ch\u00ednh n\u01b0\u1edbc ng\u01b0ng v\u00e0 l\u01b0u l\u01b0\u1ee3ng cho ph\u00e9p khi s\u1eed d\u1ee5ng \u1ed1ng x\u1ea3 chung (c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i) \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng sau:<\/p>\n

\"Nh\u1eefng<\/a><\/p>\n

L\u01b0u \u00fd r\u1eb1ng t\u00ednh to\u00e1n gi\u1ea3 \u0111\u1ecbnh t\u1ec9 l\u1ec7 n\u01b0\u1edbc trong \u1ed1ng l\u00e0 10%, l\u00e0m tr\u00f2n l\u01b0u l\u01b0\u1ee3ng cho ph\u00e9p. Nh\u01b0 v\u1eady ta c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng n\u01b0\u1edbc ng\u01b0ng tr\u1ee5c ch\u00ednh c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u l\u00e0 34 mm.<\/p>\n

Sau khi qua th\u1eed \u00e1p ta ti\u1ebfn h\u00e0nh h\u00fat ch\u00e2n kh\u00f4ng, \u0111\u1ec3 h\u00fat ch\u00e2n kh\u00f4ng hi\u1ec7u qu\u1ea3 ta n\u00ean l\u01b0u \u00fd khi ch\u1ecdn b\u01a1m ch\u00e2n kh\u00f4ng nh\u01b0 sau: Ch\u1ecdn b\u01a1m c\u00f3 th\u1ec3 gi\u1ea3m \u00e1p xu\u1ed1ng d\u01b0\u1edbi -100,7 kPaG (-755mmHg) v\u00e0 Ch\u1ecdn b\u01a1m c\u00f3 l\u01b0u l\u01b0\u1ee3ng tho\u00e1t t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i b\u01a1m c\u00f3 l\u01b0u l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u 40l\/ph\u00fat. Th\u00f4ng th\u01b0\u1eddng c\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p h\u00fat ch\u00e2n kh\u00f4ng, m\u1ed9t l\u00e0 lo\u1ea1i th\u00f4ng th\u01b0\u1eddng hai l\u00e0 lo\u1ea1i h\u00fat ch\u00e2n kh\u00f4ng \u0111\u1eb7c bi\u1ec7t.<\/p>\n

\"Nh\u1eefng<\/a><\/p>\n

H\u00fat ch\u00e2n kh\u00f4ng th\u00f4ng th\u01b0\u1eddng l\u00e0 ph\u01b0\u01a1ng \u00e1n h\u00fat ch\u00e2n kh\u00f4ng b\u00ecnh th\u01b0\u1eddng nh\u01b0 sau khi l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng xong.<\/p>\n

H\u00fat ch\u00e2n kh\u00f4ng \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u01b0\u01a1ng \u00e1n h\u00fat ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi c\u00f3 nguy c\u01a1 \u1ea9m trong \u0111\u01b0\u1eddng \u1ed1ng. V\u00ed d\u1ee5 nh\u01b0 khi c\u00f4ng vi\u1ec7c ho\u00e0n t\u1ea5t v\u00e0o m\u00f9a m\u01b0a s\u1ebd c\u00f3 ngu c\u01a1 t\u1ee5 \u1ea9m trong \u1ed1ng hay c\u00f4ng vi\u1ec7c th\u1ef1c hi\u1ec7n l\u00e2u d\u00e0i.<\/p>\n

Hai ph\u01b0\u01a1ng \u00e1n n\u00e0y kh\u00e1c nhau \u1edf vi\u1ec7c h\u00fat ch\u00e2n kh\u00f4ng \u0111\u1eb7t bi\u1ec7t c\u00f3 th\u00eam giai \u0111o\u1ea1n ph\u00e1 v\u1edf tr\u1ea1ng th\u00e1i ch\u00e2n kh\u00f4ng sau khi h\u00fat l\u1ea7n th\u1ee9 nh\u1ea5t b\u1eb1ng c\u00e1ch b\u01a1m N2 v\u00e0o v\u1edbi \u00e1p su\u1ea5t 0.05 MPaG. Sau \u0111\u00f3 h\u00fat ch\u00e2n kh\u00f4ng l\u1ea1i l\u1ea7n th\u1ee9 hai v\u00e0 ti\u1ebfn h\u00e0nh \u0111\u1ec3 \u00edt nh\u1ea5t m\u1ed9t gi\u1edd \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n

Xem th\u00eam: L\u1eafp \u0111\u1eb7t tr\u1ea1m h\u1ee3p b\u1ed9 trong h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n<\/a><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u00ecm hi\u1ec3u v\u1ec1 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u00e1y \u0111i\u1ec1u h\u00f2a trung t\u00e2m<\/a><\/p>\n

\u00a0<\/p>\n

H\u00e3y li\u00ean h\u1ec7 v\u1edbi YOCO M&E qua th\u00f4ng tin:<\/p>\n

C\u00d4NG TY C\u01a0 \u0110I\u1ec6N L\u1ea0NH TU\u1ed4I TR\u1eba (YOCO M&E)<\/strong><\/h4>\n

Website: www.codienlanh.com<\/p>\n

E-Mail: info@yoco.vn<\/p>\n

\u0110i\u1ec7n tho\u1ea1i: 08 3894 1921 \u2013 (Hotline: 0909 169 059 \u2013 Mr.Trung)<\/p>\n

\u0110\u1ecba ch\u1ec9: 636 Phan V\u0103n Tr\u1ecb, P.10, Q.G\u00f2 V\u1ea5p \u2013 Tp. H\u1ed3 Ch\u00ed Minh<\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh \u0111\u00f2i h\u1ecfi nh\u00e0 th\u1ea7u c\u00f3 l\u1ef1c l\u01b0\u1ee3ng n\u00f2ng c\u1ed1t v\u00e0 kh\u00f4ng ng\u1eebng \u0111\u00e0o t\u1ea1o, c\u1eadp nh\u1eadt c\u00f4ng ngh\u1ec7,\u2026 \u0111\u1ebfn \u0111\u1ed9i ng\u1ee7 nh\u00e2n s\u1ef1. \u0110\u1ed1i v\u1edbi nh\u00e0 th\u1ea7u c\u01a1 \u0111i\u1ec7n, sau khi tung ra th\u1ecb tr\u01b0\u1eddng h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m VRV IV \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh<\/p>\n","protected":false},"author":1,"featured_media":2772,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,20,21],"tags":[55],"class_list":["post-2767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ky-thuat","category-tin-tuc","tag-may-lanh-trung-tam"],"yoast_head":"\nNh\u1eefng l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u00e1y l\u1ea1nh trung t\u00e2m VRV - 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