{"id":55651,"date":"2023-05-10T20:12:09","date_gmt":"2023-05-10T13:12:09","guid":{"rendered":"https:\/\/jobsgo.vn\/blog\/?p=55651"},"modified":"2023-05-30T20:25:54","modified_gmt":"2023-05-30T13:25:54","slug":"cau-hoi-phong-van-hvac","status":"publish","type":"post","link":"https:\/\/jobsgo.vn\/blog\/cau-hoi-phong-van-hvac\/","title":{"rendered":"20 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC th\u01b0\u1eddng g\u1eb7p & c\u00e1ch tr\u1ea3 l\u1eddi"},"content":{"rendered":"\n
N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng nh\u01b0ng v\u1eabn c\u00f2n lo l\u1eafng v\u1ec1 bu\u1ed5i ph\u1ecfng v\u1ea5n HVAC th\u00ec ch\u1eafc ch\u1eafn kh\u00f4ng th\u1ec3 b\u1ecf qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y. B\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong><\/a> \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p s\u1ebd l\u00e0 \u201cc\u1ee9u c\u00e1nh\u201d gi\u00fap b\u1ea1n chinh ph\u1ee5c th\u1eed th\u00e1ch v\u00e0 ch\u1ea1m tay t\u1edbi c\u00f4ng vi\u1ec7c m\u01a1 \u01b0\u1edbc.<\/p>\n M\u1ee5c l\u1ee5c<\/p> C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong> thi\u00ean v\u1ec1 ki\u1ebfn th\u1ee9c, l\u00fd thuy\u1ebft th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn \u0111\u1ec3 m\u1edf \u0111\u1ea7u bu\u1ed5i ph\u1ecfng v\u1ea5n. V\u1edbi nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n kh\u00f4ng c\u1ea7n tr\u1ea3 l\u1eddi theo form hay l\u00fd thuy\u1ebft c\u1ee9ng nh\u1eafc m\u00e0 ch\u1ec9 c\u1ea7n n\u00eau ra nh\u1eefng t\u00ednh c\u00e1ch b\u1ea3n th\u00e2n th\u1ea5y c\u1ea7n thi\u1ebft \u1edf m\u1ed9t k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh.<\/p><\/blockquote>\n B\u1ea1n c\u00f3 th\u1ec3 d\u1eabn d\u1eaft t\u1eeb hai y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh l\u00e0 ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng. Song song v\u1edbi \u0111\u00f3, h\u00e3y cho nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u1ea5y \u0111\u01b0\u1ee3c t\u00ednh c\u00e1ch, ph\u1ea9m ch\u1ea5t c\u0169ng l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft v\u1edbi m\u1ed9t k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn 3 t\u00ednh c\u00e1ch quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u nh\u01b0 ch\u0103m ch\u1ec9, c\u1ea9n th\u1eadn v\u00e0 ch\u00fa \u00fd t\u1eebng chi ti\u1ebft nh\u1ecf. \u0110\u1eebng qu\u00ean n\u00eau s\u01a1 qua v\u1ec1 l\u00fd do l\u1ef1a ch\u1ecdn c\u0169ng nh\u01b0 ph\u1ea9m ch\u1ea5t b\u1ea1n th\u1ea5y c\u1ea7n nh\u1ea5t \u1edf k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh trong 3 t\u00ednh c\u00e1ch \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea.<\/p>\n Khi \u0111\u1eb7t ra c\u00e2u h\u1ecfi n\u00e0y, nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111ang c\u00f3 mong mu\u1ed1n t\u00ecm hi\u1ec3u \u0111\u1ed9ng l\u1ef1c v\u00e0 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng g\u1eafn b\u00f3 v\u1edbi c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n. \u0110\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n h\u00e3y tham kh\u1ea3o th\u1eadt k\u1ef9 b\u1ea3n m\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c c\u1ee7a c\u00f4ng ty. T\u1eeb \u0111\u00f3 kh\u00e9o l\u00e9o l\u1ed3ng gh\u00e9p \u0111\u1ec3 \u0111\u01b0a ra l\u00fd do b\u1ea3n th\u00e2n y\u00eau th\u00edch c\u00f4ng vi\u1ec7c n\u00e0y nh\u01b0 \u0111\u01b0\u1ee3c tham gia v\u00e0o c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf, \u0111\u01b0\u1ee3c c\u1ed9ng t\u00e1c v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb c\u00f3 ti\u1ebfng trong ng\u00e0nh, th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c tham gia giao l\u01b0u, c\u1ed9ng t\u00e1c, c\u00f3 c\u01a1 h\u1ed9i th\u0103ng ti\u1ebfn trong c\u00f4ng vi\u1ec7c,…<\/p>\n Nghe s\u01a1 qua, nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng \u0111\u00e2y l\u00e0 c\u00e2u h\u1ecfi ngo\u00e0i l\u1ec1 v\u00e0 kh\u00f4ng c\u00f3 li\u00ean quan t\u1edbi c\u00f4ng vi\u1ec7c HVAC. Tuy nhi\u00ean, \u1edf c\u00e2u h\u1ecfi n\u00e0y, \u0111i\u1ec1u nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u1ef1c s\u1ef1 mu\u1ed1n bi\u1ebft l\u00e0 b\u1ea1n c\u00f3 th\u1ef1c s\u1ef1 l\u00e0 ng\u01b0\u1eddi bi\u1ebft ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 tinh th\u1ea7n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u kh\u1eaft khe c\u1ee7a c\u00f4ng vi\u1ec7c hay kh\u00f4ng.<\/p>\n V\u00ec v\u1eady, h\u00e3y \u01b0u ti\u00ean li\u1ec7t k\u00ea nh\u1eefng ho\u1ea1t \u0111\u1ed9ng l\u00e0nh m\u1ea1nh c\u00f3 t\u00e1c d\u1ee5ng duy tr\u00ec tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng th\u1ec3 ch\u1ea5t v\u00e0 tinh th\u1ea7n \u0111\u00e1p \u1ee9ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u201ckh\u1ee7ng\u201d c\u1ee7a k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh nh\u01b0 t\u1eadp th\u1ec3 d\u1ee5c, yoga, tr\u1ed3ng c\u00e2y xanh, nghe nh\u1ea1c,…<\/p>\n \u0110\u1ed9ng l\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e1nh gi\u00e1 b\u1ea1n c\u00f3 ph\u00f9 h\u1ee3p v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng g\u1eafn b\u00f3 l\u00e2u d\u00e0i v\u1edbi c\u00f4ng vi\u1ec7c hay kh\u00f4ng. \u0110\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong> n\u00e0y, b\u1ea1n h\u00e3y n\u00eau ra m\u1ed9t v\u00e0i th\u00e0nh t\u1ef1u \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed3ng th\u1eddi kh\u1eb3ng \u0111\u1ecbnh mong mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng m\u1ee5c ti\u00eau l\u1edbn h\u01a1n, \u0111\u00e1ng t\u1ef1 h\u00e0o h\u01a1n l\u00e0 \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3 b\u1ea1n theo \u0111u\u1ed5i c\u00f4ng vi\u1ec7c n\u00e0y.<\/p>\n Ngo\u00e0i kinh nghi\u1ec7m, ki\u1ebfn th\u1ee9c, \u0111i\u1ec1u nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n nh\u00ecn th\u1ea5y \u1edf m\u1ed9t \u1ee9ng vi\u00ean l\u00e0 kh\u1ea3 n\u0103ng \u1ee9ng bi\u1ebfn linh ho\u1ea1t tr\u01b0\u1edbc m\u1ecdi t\u00ecnh hu\u1ed1ng. T\u01b0\u1edfng ch\u1eebng nh\u01b0 mang t\u00ednh th\u00e1ch \u0111\u1ed1 nh\u01b0ng c\u00e2u h\u1ecfi n\u00e0y c\u00f3 c\u00e1ch gi\u1ea3i quy\u1ebft v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n.<\/p>\n Tr\u01b0\u1edbc h\u1ebft, b\u1ea1n h\u00e3y kh\u1eb3ng \u0111\u1ecbnh r\u00f5 b\u1ea3n th\u00e2n l\u00e0 ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng th\u00edch nghi nhanh ch\u00f3ng v\u00e0 kh\u00f4ng ng\u1ea1i kh\u00f3 kh\u0103n, th\u1eed th\u00e1ch. N\u1ebfu c\u00f4ng vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng, b\u1ea1n s\u1ebd tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u1ea5p tr\u00ean ho\u1eb7c \u0111\u1ed3ng nghi\u1ec7p c\u00f3 chuy\u00ean m\u00f4n, kinh nghi\u1ec7m h\u01a1n \u0111\u1ec3 gi\u1ea3i quy\u1ebft \u00eam g\u1ecdn c\u00f4ng vi\u1ec7c \u0111\u00e3 \u0111\u01b0\u1ee3c tin t\u01b0\u1edfng giao ph\u00f3.<\/p>\n C\u00e1c gi\u00e1 tr\u1ecb quan tr\u1ecdng khi ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb k\u1ec3 tr\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh chi ti\u1ebft nh\u01b0 sau:<\/p>\n VFD (Variable Frequency Driver<\/a>) l\u00e0 thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn trong \u0111i\u1ec7n l\u1ea1nh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 d\u1ef1a tr\u00ean vi\u1ec7c thay \u0111\u1ed5i t\u1ea7n s\u1ed1 s\u1eed d\u1ee5ng Chiller, AHU, Pump,… trong h\u1ec7 th\u1ed1ng HVAC.<\/p>\n C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong> v\u1ec1 ki\u1ebfn th\u1ee9c ti\u1ebfp theo b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p trong bu\u1ed5i ph\u1ecfng v\u1ea5n l\u00e0 tr\u1ecb s\u1ed1 COP l\u00e0 g\u00ec. COP th\u1ef1c ch\u1ea5t l\u00e0 h\u1ec7 s\u1ed1 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng Coefficient of Performance \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t l\u1ea1nh v\u00e0 c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u0111i\u1ec7n. Tr\u1ecb s\u1ed1 COP kh\u00f4ng ch\u1ec9 ph\u1ea3n \u00e1nh hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng khi \u0111\u1ea7y t\u1ea3i m\u00e0 c\u00f2n gi\u00fap t\u1ed1i \u01b0u n\u0103ng l\u01b0\u1ee3ng kinh t\u1ebf, khoa h\u1ecdc h\u01a1n.<\/p>\n \u0110\u00e2y d\u01b0\u1eddng nh\u01b0 l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong> kh\u00e1 d\u1ec5 v\u1edbi c\u00e1c \u1ee9ng vi\u00ean, b\u1ea1n h\u00e3y t\u1eadn d\u1ee5ng \u0111\u1ec3 ghi tr\u1ecdn \u0111i\u1ec3m ki\u1ebfn th\u1ee9c. Kh\u1edbp n\u1ed1i \u1ed1ng t\u00f4n th\u00f4ng gi\u00f3 g\u1ed3m n\u1eb9p C ho\u1eb7c TDC \u0111\u1ea1t chu\u1ea9n theo quy \u0111\u1ecbnh Smacna.<\/p>\n H\u1ec7 s\u1ed1 trao \u0111\u1ed5i gi\u00f3 ACH (Air Change) l\u00e0 h\u1ec7 s\u1ed1 trao \u0111\u1ed5i th\u1ec3 t\u00edch kh\u00f4ng kh\u00ed trong m\u1ed9t kho\u1ea3ng kh\u00f4ng gian x\u00e1c \u0111\u1ecbnh. Th\u00f4ng qua h\u1ec7 s\u1ed1 ACH, c\u00e1c k\u1ef9 s\u01b0 \u0111i\u1ec7n l\u1ea1nh d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng th\u00f4ng gia hay l\u00e0m m\u00e1t c\u1ee7a ph\u00f2ng, nh\u00e0 x\u01b0\u1edfng,…<\/p>\n Chiller \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd tu\u1ea7n ho\u00e0n v\u00e0 l\u00e0m l\u1ea1nh n\u01b0\u1edbc \u1edf 7 \u0111\u1ed9 C trong \u0111\u01b0\u1eddng \u1ed1ng chuy\u00ean bi\u1ec7t. Th\u00f4ng qua c\u00e1c d\u00e0n trao \u0111\u1ed5i nhi\u1ec7t FCU ho\u1eb7c AHU, n\u01b0\u1edbc l\u1ea1nh s\u1ebd ti\u1ebfp x\u00fac v\u00e0 trao \u0111\u1ed5i nhi\u1ec7t v\u1edbi kh\u00f4ng kh\u00ed l\u00e0m nhi\u1ec7t l\u01b0\u1ee3ng trong ph\u00f2ng h\u1ea1 xu\u1ed1ng th\u1ea5p h\u01a1n. C\u00f9ng v\u1edbi \u0111\u00f3, ngu\u1ed3n n\u01b0\u1edbc l\u1ea1nh sau khi h\u1ea5p th\u1ee5 nhi\u1ec7t t\u0103ng l\u00ean 12 \u0111\u1ed9 C nhanh ch\u00f3ng \u0111\u01b0\u1ee3c b\u01a1m tr\u1edf l\u1ea1i Chiller, l\u00e0m l\u1ea1nh xu\u1ed1ng 7 \u0111\u1ed9 C v\u00e0 ti\u1ebfp t\u1ee5c chu tr\u00ecnh tu\u1ea7n ho\u00e0n ban \u0111\u1ea7u.<\/p>\n B\u1ea3n v\u1ebd Shopdrawing l\u00e0 b\u1ea3n v\u1ebd tri\u1ec3n khai thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng. C\u00e1c b\u1ea3n v\u1ebd Shopdrawing th\u01b0\u1eddng c\u00f3 xu\u1ea5t ph\u00e1t \u0111i\u1ec3m l\u00e0 b\u1ea3n thi\u1ebft k\u1ebf, sau \u0111\u00f3 \u0111\u01b0\u1ee3c tri\u1ec3n khai th\u00eam c\u00e1c chi ti\u1ebft th\u1ef1c t\u1ebf nh\u1eb1m ph\u1ee5c v\u1ee5 thu\u1eadn l\u1ee3i nh\u1ea5t cho vi\u1ec7c thi c\u00f4ng.<\/p>\n \u0110i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 nh\u1ea5t gi\u1eefa h\u1ec7 m\u00e1y l\u00e0m l\u1ea1nh c\u1ee5c b\u1ed9, VRF v\u00e0 h\u1ec7 Chiller \u0111\u1ebfn t\u1eeb m\u00f4i ch\u1ea5t d\u1eabn l\u1ea1nh. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n Kinh nghi\u1ec7m t\u1ea3i l\u1ea1nh cho c\u00e1c c\u00f4ng n\u0103ng ph\u00f2ng ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 v\u1edbi k\u1ebft qu\u1ea3 nh\u01b0 sau:<\/p>\n AHU (Air Handling Unit) l\u00e0 d\u00e0n trao \u0111\u1ed5i nhi\u1ec7t c\u00f4ng su\u1ea5t l\u1edbn ph\u1ee5c v\u1ee5 cho c\u00e1c kh\u00f4ng gian c\u00f3 m\u1eadt \u0111\u1ed9 t\u1ea3i l\u1edbn nh\u01b0 h\u1ed9i tr\u01b0\u1eddng, s\u1ea3nh ti\u1ec7c, r\u1ea1p chi\u1ebfu phim,…<\/p>\n Khi tham gia ph\u1ecfng v\u1ea5n HVAC, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u1ecfi v\u1ec1 \u0111\u1ed9 d\u1ed1c \u1ed1ng x\u1ea3 n\u01b0\u1edbc ng\u01b0ng m\u00e1y l\u1ea1nh. V\u1edbi c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n HVAC<\/strong> n\u00e0y, c\u00e2u tr\u1ea3 l\u1eddi nh\u01b0 sau: \u0110\u1ed9 d\u1ed1c \u1ed1ng x\u1ea3 n\u01b0\u1edbc ng\u01b0ng m\u00e1y l\u1ea1nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u1eb7t ch\u1ebd v\u1edbi con s\u1ed1 dao \u0111\u1ed9ng t\u1eeb 1 – 2%.<\/p>\n1. 3 t\u00ednh c\u00e1ch quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u c\u1ee7a m\u1ed9t k\u1ef9 s\u01b0 nhi\u1ec7t \u0111i\u1ec7n l\u1ea1nh l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
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2. T\u1ea1i sao b\u1ea1n th\u00edch v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c n\u00e0y?<\/strong><\/span><\/h2>\n
3. B\u1ea1n th\u01b0\u1eddng l\u00e0m g\u00ec m\u1ed7i ng\u00e0y \u0111\u1ec3 gi\u1eef c\u01a1 th\u1ec3 v\u00e0 tinh th\u1ea7n kh\u1ecfe m\u1ea1nh?<\/strong><\/span><\/h2>\n
4. \u0110\u1ed9ng l\u1ef1c trong s\u1ef1 nghi\u1ec7p c\u1ee7a b\u1ea1n l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
5. B\u1ea1n s\u1ebd l\u00e0m g\u00ec n\u1ebfu \u0111\u01b0\u1ee3c c\u1ea5p tr\u00ean giao c\u00f4ng vi\u1ec7c ch\u01b0a t\u1eebng l\u00e0m qua?<\/strong><\/span><\/h2>\n
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6. N\u00eau c\u00e1c gi\u00e1 tr\u1ecb quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 Chiller, Cooling Tower, AHU v\u00e0 VCU?<\/strong><\/span><\/h2>\n
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7. VFD l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
8. Tr\u1ecb s\u1ed1 COP l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
9. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc khi ra kh\u1ecfi Chiller v\u00e0 v\u00e0o AHU l\u00e0 bao nhi\u00eau?<\/strong><\/span><\/h2>\n
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10. Kh\u1edbp n\u1ed1i \u1ed1ng gi\u00f3 t\u00f4n th\u00f4ng th\u01b0\u1eddng g\u1ed3m lo\u1ea1i n\u00e0o?<\/strong><\/span><\/h2>\n
11. H\u1ec7 s\u1ed1 trao \u0111\u1ed5i gi\u00f3 ACH l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
12. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a Chiller l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
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13. Th\u1ebf n\u00e0o l\u00e0 b\u1ea3n v\u1ebd Shopdrawing?<\/strong><\/span><\/h2>\n
14. N\u00eau \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa h\u1ec7 m\u00e1y l\u1ea1nh c\u1ee5c b\u1ed9, VRF v\u1edbi h\u1ec7 Chiller?<\/strong><\/span><\/h2>\n
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15. X\u00e1c \u0111\u1ecbnh t\u1ea3i l\u1ea1nh kinh nghi\u1ec7m cho c\u00f4ng n\u0103ng ph\u00f2ng th\u00f4ng th\u01b0\u1eddng nh\u01b0 v\u0103n ph\u00f2ng, nh\u00e0 h\u00e0ng \u0103n u\u1ed1ng v\u00e0 ph\u00f2ng ng\u1ee7<\/strong><\/span><\/h2>\n
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16. AHU l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n
17. \u0110\u1ed9 d\u1ed1c \u1ed1ng x\u1ea3 n\u01b0\u1edbc ng\u01b0ng m\u00e1y l\u1ea1nh l\u00e0 bao nhi\u00eau?<\/strong><\/span><\/h2>\n
18. K\u1ec3 t\u00ean c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 trong c\u00e1c t\u00f2a nh\u00e0 hi\u1ec7n nay<\/strong><\/span><\/h2>\n