{"id":13494,"date":"2026-05-28T10:29:04","date_gmt":"2026-05-28T03:29:04","guid":{"rendered":"https:\/\/phuchungvn.com.vn\/?p=13494"},"modified":"2026-05-28T10:45:08","modified_gmt":"2026-05-28T03:45:08","slug":"may-say-khi-bi-bao-loi-nguyen-nhan-cach-khac-phuc-pho-bien","status":"publish","type":"post","link":"https:\/\/phuchungvn.com.vn\/en\/may-say-khi-bi-bao-loi-nguyen-nhan-cach-khac-phuc-pho-bien\/","title":{"rendered":"M\u00e1y S\u1ea5y Kh\u00ed B\u1ecb B\u00e1o L\u1ed7i? Nguy\u00ean Nh\u00e2n & C\u00e1ch Kh\u1eafc Ph\u1ee5c Ph\u1ed5 Bi\u1ebfn"},"content":{"rendered":"

M\u00e1y S\u1ea5y Kh\u00ed<\/a> B\u1ecb B\u00e1o L\u1ed7i? Nguy\u00ean Nh\u00e2n V\u00e0 C\u00e1ch Kh\u1eafc Ph\u1ee5c K\u1ef9 Thu\u1eadt Ph\u1ed5 Bi\u1ebfn<\/h2>\n

Trong qu\u00e1 tr\u00ecnh ti\u1ebfp nh\u1eadn v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y, s\u1ef1 c\u1ed1 m\u00e1y s\u1ea5y kh\u00ed b\u1ecb b\u00e1o l\u1ed7i (\u0111\u00e8n c\u1ea3nh b\u00e1o Alarm s\u00e1ng, m\u00e1y d\u1eebng \u0111\u1ed9t ng\u1ed9t ho\u1eb7c v\u1eabn ch\u1ea1y nh\u01b0ng kh\u00ed n\u00e9n \u0111\u1ea7u ra \u0111\u1ecdng n\u01b0\u1edbc) l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ecnh hu\u1ed1ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c.<\/p>\n

Vi\u1ec7c x\u1eed l\u00fd kh\u00f4ng \u0111\u00fang tr\u1ecdng t\u00e2m kh\u00f4ng ch\u1ec9 k\u00e9o d\u00e0i th\u1eddi gian d\u1eebng m\u00e1y (downtime) m\u00e0 c\u00f2n c\u00f3 nguy c\u01a1 l\u00e0m h\u1ecfng block n\u00e9n l\u1ea1nh (Compressor) b\u00ean trong thi\u1ebft b\u1ecb.<\/p>\n

\"M\u00e1y<\/a>

M\u00e1y S\u1ea5y Kh\u00ed B\u1ecb B\u00e1o L\u1ed7i<\/p><\/div>\n

B\u1ea3ng Ph\u00e2n T\u00edch C\u00e1c M\u00e3 L\u1ed7i M\u00e1y S\u1ea5y Kh\u00ed<\/a> C\u01a1 B\u1ea3n V\u1ec1 Nhi\u1ec7t \u0110\u1ed9ng L\u1ef1c H\u1ecdc V\u00e0 \u0110i\u1ec7n T\u1eed<\/h2>\n

H\u1ea7u h\u1ebft c\u00e1c d\u00f2ng m\u00e1y s\u1ea5y kh\u00ed t\u00e1c nh\u00e2n l\u1ea1nh hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng c\u1ea3m bi\u1ebfn b\u1ea3o v\u1ec7 (Protection Switches). Khi c\u00e1c th\u00f4ng s\u1ed1 v\u1eadn h\u00e0nh v\u01b0\u1ee3t ng\u01b0\u1ee1ng an to\u00e0n, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ebd ng\u1eaft m\u1ea1ch v\u00e0 b\u00e1o l\u1ed7i.<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c nh\u00f3m l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

L\u1ed7i nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m s\u01b0\u01a1ng cao (High Dew Point Alarm)<\/h3>\n

\u0110\u00e2y l\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u1ea5t, c\u1ea3nh b\u00e1o r\u1eb1ng m\u00e1y s\u1ea5y kh\u00f4ng th\u1ec3 l\u00e0m l\u1ea1nh lu\u1ed3ng kh\u00ed n\u00e9n xu\u1ed1ng ng\u01b0\u1ee1ng ti\u00eau chu\u1ea9n (th\u01b0\u1eddng t\u1eeb 3\u00b0C \u0111\u1ebfn 10\u00b0C).<\/p>\n

V\u1ec1 m\u1eb7t v\u1eadt l\u00fd, khi nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i c\u1ee7a m\u00f4i ch\u1ea5t l\u1ea1nh (gas l\u1ea1nh) b\u00ean trong gi\u00e0n l\u1ea1nh (Evaporator) kh\u00f4ng \u0111\u1ea1t \u0111\u1ed9 s\u00e2u c\u1ea7n thi\u1ebft, qu\u00e1 tr\u00ecnh ng\u01b0ng t\u1ee5 h\u01a1i n\u01b0\u1edbc s\u1ebd kh\u00f4ng di\u1ec5n ra ho\u00e0n to\u00e0n.<\/p>\n

Kh\u00ed n\u00e9n \u0111i ra kh\u1ecfi m\u00e1y s\u1ea5y v\u1eabn mang theo \u0111\u1ed9 \u1ea9m l\u1edbn. L\u1ed7i n\u00e0y th\u01b0\u1eddng hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c qua \u0111\u1ed3ng h\u1ed3 \u0111o nhi\u1ec7t \u0111\u1ed9 bay h\u01a1i ch\u1ec9 \u1edf m\u1ee9c v\u1ea1ch \u0111\u1ecf (tr\u00ean 15\u00b0C).<\/p>\n

L\u1ed7i \u00e1p su\u1ea5t m\u00f4i ch\u1ea5t l\u1ea1nh b\u1ea5t th\u01b0\u1eddng (High\/Low Pressure Switch)<\/h3>\n

H\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u1ee7a m\u00e1y s\u1ea5y ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t d\u1ea3i \u00e1p su\u1ea5t gas nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

L\u1ed7i \u00e1p su\u1ea5t cao (High Pressure – HP):<\/strong> R\u01a1 le \u00e1p su\u1ea5t cao s\u1ebd nh\u1ea3y v\u00e0 ng\u1eaft m\u00e1y khi \u00e1p su\u1ea5t n\u00e9n c\u1ee7a gas l\u1ea1nh v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf t\u1ef1 b\u1ea3o v\u1ec7 \u0111\u1ec3 tr\u00e1nh b\u1ee5c n\u1ed5 \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ed3ng ho\u1eb7c ch\u00e1y block n\u00e9n.<\/p>\n

L\u1ed7i \u00e1p su\u1ea5t th\u1ea5p (Low Pressure – LP):<\/strong> X\u1ea3y ra khi \u00e1p su\u1ea5t gas h\u00fat v\u1ec1 l\u1ed1c n\u00e9n qu\u00e1 th\u1ea5p. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng b\u00e1o hi\u1ec7u h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 \u0111\u1ee7 m\u00f4i ch\u1ea5t l\u1ea1nh \u0111\u1ec3 tu\u1ea7n ho\u00e0n, d\u1eabn \u0111\u1ebfn l\u1ed1c n\u00e9n ph\u1ea3i ch\u1ea1y kh\u00f4ng t\u1ea3i sinh nhi\u1ec7t l\u1edbn.<\/p>\n

L\u1ed7i qu\u00e1 d\u00f2ng \u0111\u1ed9ng c\u01a1 (Overload Trip)<\/h3>\n

L\u1ed7i n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c. R\u01a1 le nhi\u1ec7t (Thermal Overload Relay) b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 l\u1ed1c n\u00e9n l\u1ea1nh ho\u1eb7c \u0111\u1ed9ng c\u01a1 qu\u1ea1t t\u1ea3n nhi\u1ec7t s\u1ebd t\u1ef1 \u0111\u1ed9ng ng\u1eaft m\u1ea1ch khi ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n (Ampe) ti\u00eau th\u1ee5 v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c (\u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc tr\u00ean r\u01a1 le).<\/p>\n

M\u00e1y s\u1ebd d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n v\u00e0 \u0111\u00e8n Fault s\u1ebd s\u00e1ng.<\/p>\n

Ph\u00e2n T\u00edch C\u0103n Nguy\u00ean C\u1ed1t L\u00f5i Khi\u1ebfn M\u00e1y S\u1ea5y Kh\u00ed<\/a> Ph\u00e1t Sinh L\u1ed7i<\/h2>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3, k\u1ef9 s\u01b0 c\u1ea7n hi\u1ec3u r\u00f5 ngu\u1ed3n g\u1ed1c v\u1eadt l\u00fd g\u00e2y ra s\u1ef1 sai l\u1ec7ch th\u00f4ng s\u1ed1 khi\u1ebfn c\u00e1c c\u1ea3m bi\u1ebfn b\u00e1o l\u1ed7i.<\/p>\n

T\u1eafc ngh\u1ebdn t\u1ea1i c\u1ee5m t\u1ea3n nhi\u1ec7t gi\u00e0n n\u00f3ng (Condenser)<\/h3>\n

\u0110\u00e2y l\u00e0 th\u1ee7 ph\u1ea1m c\u1ee7a 80% c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u00e1y s\u1ea5y kh\u00ed b\u00e1o l\u1ed7i \u00e1p su\u1ea5t cao (High Pressure) v\u00e0 l\u1ed7i qu\u00e1 d\u00f2ng.<\/p>\n

Gi\u00e0n n\u00f3ng c\u00f3 nhi\u1ec7m v\u1ee5 gi\u1ea3i nhi\u1ec7t cho gas l\u1ea1nh \u00e1p su\u1ea5t cao sau khi \u0111i ra kh\u1ecfi block n\u00e9n. Trong m\u00f4i tr\u01b0\u1eddng nh\u00e0 m\u00e1y nhi\u1ec1u b\u1ee5i b\u1eb7m (\u0111\u1eb7c bi\u1ec7t l\u00e0 x\u01b0\u1edfng d\u1ec7t may, x\u01b0\u1edfng m\u1ed9c, c\u01a1 kh\u00ed), c\u00e1c khe l\u00e1 nh\u00f4m t\u1ea3n nhi\u1ec7t r\u1ea5t nhanh b\u1ecb b\u00edt k\u00edn.<\/p>\n

Khi kh\u00f4ng c\u00f3 s\u1ef1 l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed, nhi\u1ec7t l\u01b0\u1ee3ng kh\u00f4ng th\u1ec3 tho\u00e1t ra ngo\u00e0i, l\u00e0m \u00e1p su\u1ea5t gas t\u0103ng v\u1ecdt. \u00c1p su\u1ea5t n\u00e9n t\u0103ng k\u00e9o theo t\u1ea3i tr\u1ecdng c\u1ee7a l\u1ed1c n\u00e9n t\u0103ng, d\u1eabn \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n t\u0103ng cao v\u00e0 r\u01a1 le nhi\u1ec7t b\u1ecb nh\u1ea3y.<\/p>\n

H\u1ec7 th\u1ed1ng b\u1ecb r\u00f2 r\u1ec9 v\u00e0 thi\u1ebfu h\u1ee5t m\u00f4i ch\u1ea5t l\u1ea1nh (Gas l\u1ea1nh)<\/h3>\n

N\u1ebfu m\u00e1y b\u00e1o l\u1ed7i \u00e1p su\u1ea5t th\u1ea5p (Low Pressure) ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m s\u01b0\u01a1ng cao, nguy\u00ean nh\u00e2n tr\u1ef1c ti\u1ebfp th\u01b0\u1eddng l\u00e0 do th\u1ea5t tho\u00e1t gas l\u1ea1nh.<\/p>\n

Qu\u00e1 tr\u00ecnh rung \u0111\u1ed9ng c\u01a1 h\u1ecdc li\u00ean t\u1ee5c trong nhi\u1ec1u n\u0103m c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1ebft n\u1ee9t ch\u00e2n chim t\u1ea1i c\u00e1c m\u1ed1i h\u00e0n \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ed3ng ho\u1eb7c t\u1ea1i v\u1ecb tr\u00ed van ho\u00e1n \u0111\u1ed5i.<\/p>\n

Khi gas l\u1ea1nh b\u1ecb x\u00ec, hi\u1ec7u su\u1ea5t l\u00e0m l\u1ea1nh gi\u1ea3m s\u00fat nghi\u00eam tr\u1ecdng, gi\u00e0n l\u1ea1nh kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 3\u00b0C \u0111\u1ec3 \u00e9p n\u01b0\u1edbc ng\u01b0ng t\u1ee5.<\/p>\n

S\u1ef1 c\u1ed1 t\u1ea1i c\u1ee5m van x\u1ea3 n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng (Auto Drain Valve)<\/h3>\n

\u0110\u00f4i khi m\u00e1y kh\u00f4ng b\u00e1o l\u1ed7i \u0111i\u1ec7n t\u1eed, nh\u01b0ng th\u1ef1c t\u1ebf kh\u00ed n\u00e9n \u0111\u1ea7u ra v\u1eabn s\u0169ng n\u01b0\u1edbc. V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf c\u1ee5m van x\u1ea3 \u0111\u00e1y.<\/p>\n

Trong qu\u00e1 tr\u00ecnh s\u1ea5y, n\u01b0\u1edbc ng\u01b0ng t\u1ee5 c\u00f9ng v\u1edbi c\u1eb7n b\u1ea9n, r\u1ec9 s\u00e9t v\u00e0 d\u1ea7u b\u00f4i tr\u01a1n t\u1eeb m\u00e1y n\u00e9n kh\u00ed ch\u1ea3y xu\u1ed1ng khoang ch\u1ee9a c\u1ee7a van x\u1ea3.<\/p>\n

S\u1ef1 k\u1ebft d\u00ednh c\u1ee7a h\u1ed7n h\u1ee3p n\u00e0y l\u00e0m k\u1eb9t phao c\u01a1 h\u1ecdc ho\u1eb7c b\u00edt k\u00edn l\u1ed7 tho\u00e1t c\u1ee7a van \u0111i\u1ec7n t\u1eeb. N\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ea3 ra ngo\u00e0i s\u1ebd d\u00e2ng l\u00ean cao trong b\u00ecnh ng\u01b0ng, v\u00e0 b\u1ecb d\u00f2ng kh\u00ed n\u00e9n t\u1ed1c \u0111\u1ed9 cao cu\u1ed1n ng\u01b0\u1ee3c tr\u1edf l\u1ea1i v\u00e0o m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng nh\u00e0 x\u01b0\u1edfng.<\/p>\n

Th\u00f4ng s\u1ed1 kh\u00ed n\u00e9n \u0111\u1ea7u v\u00e0o v\u01b0\u1ee3t qu\u00e1 n\u0103ng l\u1ef1c thi\u1ebft k\u1ebf<\/h3>\n

M\u00e1y s\u1ea5y kh\u00ed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi ba th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o gi\u1edbi h\u1ea1n: L\u01b0u l\u01b0\u1ee3ng kh\u00ed, Nhi\u1ec7t \u0111\u1ed9 kh\u00ed v\u00e0 \u00c1p su\u1ea5t l\u00e0m vi\u1ec7c.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u v\u00e0o qu\u00e1 cao:<\/strong> N\u1ebfu m\u00e1y n\u00e9n kh\u00ed b\u1ecb l\u1ed7i t\u1ea3n nhi\u1ec7t, x\u1ea3 ra lu\u1ed3ng kh\u00ed n\u00f3ng tr\u00ean 60\u00b0C (trong khi m\u00e1y s\u1ea5y ti\u00eau chu\u1ea9n ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c d\u01b0\u1edbi 50\u00b0C), m\u00e1y s\u1ea5y s\u1ebd b\u1ecb qu\u00e1 t\u1ea3i nhi\u1ec7t (Overload).<\/p>\n

L\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u01b0\u1ee3t t\u1ea3i:<\/strong> Vi\u1ec7c nh\u00e0 m\u00e1y l\u1eafp th\u00eam m\u00e1y n\u00e9n kh\u00ed m\u00e0 kh\u00f4ng n\u00e2ng c\u1ea5p m\u00e1y s\u1ea5y s\u1ebd khi\u1ebfn lu\u1ed3ng kh\u00ed \u0111i qua gi\u00e0n l\u1ea1nh qu\u00e1 nhanh, kh\u00f4ng k\u1ecbp trao \u0111\u1ed5i nhi\u1ec7t, d\u1eabn \u0111\u1ebfn \u0111i\u1ec3m s\u01b0\u01a1ng cao.<\/p>\n

Quy Tr\u00ecnh Kh\u1eafc Ph\u1ee5c C\u00e1c L\u1ed7i M\u00e1y S\u1ea5y Kh\u00ed<\/a> C\u01a1 B\u1ea3n T\u1ea1i Ch\u1ed7<\/h2>\n

Khi m\u00e1y s\u1ea5y kh\u00ed b\u1ecb b\u00e1o l\u1ed7i v\u00e0 d\u1eebng ho\u1ea1t \u0111\u1ed9ng, nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh c\u1ea7n th\u1ef1c hi\u1ec7n quy tr\u00ecnh r\u00e0 so\u00e1t theo c\u00e1c b\u01b0\u1edbc chu\u1ea9n k\u1ef9 thu\u1eadt d\u01b0\u1edbi \u0111\u00e2y tr\u01b0\u1edbc khi g\u1ecdi d\u1ecbch v\u1ee5 s\u1eeda ch\u1eefa chuy\u00ean s\u00e2u.<\/p>\n

B\u01b0\u1edbc 1: V\u1ec7 sinh h\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t v\u00e0 ki\u1ec3m tra qu\u1ea1t l\u00e0m m\u00e1t<\/h3>\n

N\u1ebfu m\u00e1y b\u00e1o l\u1ed7i \u00e1p su\u1ea5t cao (HP) ho\u1eb7c qu\u00e1 d\u00f2ng:<\/p>\n

T\u1eaft ngu\u1ed3n \u0111i\u1ec7n thi\u1ebft b\u1ecb. Th\u00e1o c\u00e1c t\u1ea5m \u1ed1p h\u00f4ng \u0111\u1ec3 ti\u1ebfp c\u1eadn gi\u00e0n t\u1ea3n nhi\u1ec7t (Condenser). S\u1eed d\u1ee5ng kh\u00ed n\u00e9n (\u00e1p su\u1ea5t kho\u1ea3ng 4 – 5 bar) x\u1ecbt ng\u01b0\u1ee3c t\u1eeb trong ra ngo\u00e0i \u0111\u1ec3 \u0111\u1ea9y to\u00e0n b\u1ed9 b\u1ee5i b\u1ea9n b\u00e1m tr\u00ean c\u00e1c l\u00e1 nh\u00f4m.<\/p>\n

Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng x\u1ecbt n\u01b0\u1edbc v\u1edbi \u00e1p l\u1ef1c m\u1ea1nh v\u00ec c\u00f3 th\u1ec3 l\u00e0m b\u1eb9p l\u00e1 nh\u00f4m t\u1ea3n nhi\u1ec7t.<\/p>\n

\u0110\u1ed3ng th\u1eddi, ki\u1ec3m tra qu\u1ea1t l\u00e0m m\u00e1t. H\u00e3y d\u00f9ng tay quay th\u1eed c\u00e1nh qu\u1ea1t xem c\u00f3 b\u1ecb k\u1eb9t r\u00edt do h\u1ecfng v\u00f2ng bi hay kh\u00f4ng.<\/p>\n

N\u1ebfu qu\u1ea1t kh\u00f4ng ch\u1ea1y khi \u0111\u00f3ng \u0111i\u1ec7n, c\u1ea7n \u0111o ki\u1ec3m tra t\u1ee5 \u0111i\u1ec7n (Capacitor) ho\u1eb7c cu\u1ed9n d\u00e2y \u0111\u1ed9ng c\u01a1 qu\u1ea1t.<\/p>\n

B\u01b0\u1edbc 2: R\u00e0 so\u00e1t v\u00e0 v\u1ec7 sinh c\u1ee5m van x\u1ea3 \u0111\u00e1y<\/h3>\n

N\u1ebfu kh\u00ed n\u00e9n c\u00f3 n\u01b0\u1edbc nh\u01b0ng m\u00e1y kh\u00f4ng b\u00e1o l\u1ed7i:<\/p>\n

H\u00e3y th\u00e1o c\u1ee5m van x\u1ea3 t\u1ef1 \u0111\u1ed9ng ra kh\u1ecfi m\u00e1y. N\u1ebfu l\u00e0 van phao c\u01a1, ng\u00e2m r\u1eeda b\u1eb1ng dung d\u1ecbch v\u1ec7 sinh \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n d\u1ea7u, ki\u1ec3m tra s\u1ef1 di chuy\u1ec3n l\u00ean xu\u1ed1ng c\u1ee7a phao.<\/p>\n

N\u1ebfu l\u00e0 van \u0111i\u1ec7n t\u1eeb (h\u1eb9n gi\u1edd Timer), h\u00e3y th\u00e1o c\u1ee5m cu\u1ed9n \u0111i\u1ec7n (Coil) v\u00e0 v\u1ec7 sinh p\u00edt-t\u00f4ng b\u00ean trong van.<\/p>\n

L\u1eafp r\u00e1p l\u1ea1i v\u00e0 nh\u1ea5n n\u00fat \u201cTEST\u201d tr\u00ean timer \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o van m\u1edf v\u00e0 x\u1ea3 lu\u1ed3ng h\u01a1i m\u1ea1nh ra ngo\u00e0i.<\/p>\n

B\u01b0\u1edbc 3: \u0110\u1eb7t l\u1ea1i (Reset) c\u00e1c r\u01a1 le b\u1ea3o v\u1ec7<\/h3>\n

Sau khi \u0111\u00e3 v\u1ec7 sinh gi\u00e0n n\u00f3ng, b\u1ea1n c\u1ea7n t\u00ecm v\u1ecb tr\u00ed c\u1ee7a R\u01a1 le \u00e1p su\u1ea5t cao (th\u01b0\u1eddng c\u00f3 n\u00fat reset m\u00e0u xanh ho\u1eb7c \u0111\u1ecf n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ed3ng x\u1ea3) v\u00e0 R\u01a1 le nhi\u1ec7t b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (n\u1eb1m trong t\u1ee7 \u0111i\u1ec7n).<\/p>\n

Nh\u1ea5n n\u00fat Reset \u0111\u1ec3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i \u0111\u00f3ng m\u1ea1ch.<\/p>\n

Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y v\u00e0 quan s\u00e1t d\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng ampe k\u00ecm xem c\u00f3 n\u1eb1m trong gi\u1edbi h\u1ea1n \u0111\u1ecbnh m\u1ee9c (Rated Current) ghi tr\u00ean nameplate hay kh\u00f4ng.<\/p>\n

Khi N\u00e0o Doanh Nghi\u1ec7p C\u1ea7n G\u1ecdi \u0110\u1ed9i Ng\u0169 K\u1ef9 Thu\u1eadt Chuy\u00ean Nghi\u1ec7p<\/a>?<\/h2>\n

C\u00e1c b\u01b0\u1edbc r\u00e0 so\u00e1t tr\u00ean gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c c\u00e1c nguy\u00ean nh\u00e2n ngo\u1ea1i c\u1ea3nh v\u00e0 v\u1ec7 sinh. Tuy nhi\u00ean, n\u1ebfu m\u00e1y s\u1ea5y kh\u00ed c\u1ee7a b\u1ea1n r\u01a1i v\u00e0o c\u00e1c t\u00ecnh tr\u1ea1ng d\u01b0\u1edbi \u0111\u00e2y, vi\u1ec7c can thi\u1ec7p \u0111\u00f2i h\u1ecfi chuy\u00ean m\u00f4n v\u1ec1 \u0111i\u1ec7n l\u1ea1nh c\u00f4ng nghi\u1ec7p v\u00e0 d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng.<\/p>\n

R\u00f2 r\u1ec9 m\u00f4i ch\u1ea5t l\u1ea1nh<\/h3>\n

Vi\u1ec7c n\u1ea1p l\u1ea1i gas l\u1ea1nh kh\u00f4ng \u0111\u01a1n gi\u1ea3n l\u00e0 c\u1eafm b\u00ecnh gas v\u00e0o v\u00e0 x\u1ea3.<\/p>\n

K\u1ef9 thu\u1eadt vi\u00ean c\u1ea7n s\u1eed d\u1ee5ng kh\u00ed nit\u01a1 \u0111\u1ec3 th\u1eed k\u00edn t\u00ecm \u0111i\u1ec3m x\u00ec, h\u00e0n gia c\u1ed1 \u1ed1ng \u0111\u1ed3ng, s\u1eed d\u1ee5ng m\u00e1y h\u00fat ch\u00e2n kh\u00f4ng chuy\u00ean d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00f4ng kh\u00ed v\u00e0 h\u01a1i \u1ea9m trong h\u1ec7 th\u1ed1ng, sau \u0111\u00f3 m\u1edbi ti\u1ebfn h\u00e0nh n\u1ea1p gas l\u1ea1nh theo \u0111\u00fang \u0111\u1ecbnh l\u01b0\u1ee3ng (gram) b\u1eb1ng c\u00e2n \u0111i\u1ec7n t\u1eed.<\/p>\n

Ch\u00e1y block n\u00e9n l\u1ea1nh<\/h3>\n

N\u1ebfu \u0111o \u0111i\u1ec7n tr\u1edf cu\u1ed9n d\u00e2y block b\u1ecb \u0111\u1ee9t (OL) ho\u1eb7c ch\u1ea1m v\u1ecf, l\u1ed1c n\u00e9n \u0111\u00e3 h\u1ecfng ho\u00e0n to\u00e0n.<\/p>\n

Vi\u1ec7c thay th\u1ebf l\u1ed1c n\u00e9n \u0111\u00f2i h\u1ecfi quy tr\u00ecnh kh\u1eaft khe v\u1ec1 h\u00e0n \u1ed1ng, thay th\u1ebf phin l\u1ecdc \u1ea9m (Filter Drier) v\u00e0 x\u1eed l\u00fd d\u1ea7u l\u1ea1nh t\u01b0\u01a1ng th\u00edch.<\/p>\n

H\u1ecfng board m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n<\/h3>\n

M\u00e1y nh\u00e1y \u0111\u00e8n b\u00e1o l\u1ed7i ph\u1ee9c t\u1ea1p do vi x\u1eed l\u00fd nh\u1eadn sai t\u00edn hi\u1ec7u t\u1eeb c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 (NTC\/PTC).<\/p>\n

K\u1ef9 s\u01b0 c\u1ea7n \u0111o \u0111\u1ea1c gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ea3m bi\u1ebfn v\u00e0 ki\u1ec3m tra m\u1ea1ch \u0111i\u1ec7n \u0111\u1ec3 thay th\u1ebf linh ki\u1ec7n ch\u00ednh x\u00e1c.<\/p>\n

\"M\u00e1y<\/a>

M\u00e1y S\u1ea5y Kh\u00ed B\u1ecb B\u00e1o L\u1ed7i<\/p><\/div>\n

Khuy\u1ebfn C\u00e1o K\u1ef9 Thu\u1eadt V\u1ec1 L\u1ecbch Tr\u00ecnh B\u1ea3o D\u01b0\u1ee1ng Ph\u00f2ng Ng\u1eeba (Preventive Maintenance)<\/h2>\n

\u0110\u1ec3 h\u1ec7 th\u1ed1ng m\u00e1y s\u1ea5y kh\u00ed ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng ph\u00e1t sinh l\u1ed7i \u0111\u1ed9t xu\u1ea5t, vi\u1ec7c tu\u00e2n th\u1ee7 l\u1ecbch tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng ph\u00f2ng ng\u1eeba l\u00e0 nguy\u00ean t\u1eafc b\u1eaft bu\u1ed9c trong qu\u1ea3n tr\u1ecb c\u01a1 \u0111i\u1ec7n.<\/p>\n