{"id":4707,"date":"2021-11-30T17:43:53","date_gmt":"2021-11-30T10:43:53","guid":{"rendered":"http:\/\/mese.vn\/?p=4707"},"modified":"2021-12-16T09:46:23","modified_gmt":"2021-12-16T02:46:23","slug":"h300-bien-tan-chuyen-dung-cho-hvac","status":"publish","type":"post","link":"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/h300-bien-tan-chuyen-dung-cho-hvac.html","title":{"rendered":"H300 – Bi\u1ebfn t\u1ea7n chuy\u00ean d\u1ee5ng cho HVAC"},"content":{"rendered":"

1. L\u1eddi m\u1edf \u0111\u1ea7u<\/strong><\/p>\n

HVAC l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb Heating, Ventilating and Air Conditioning (H\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m, th\u00f4ng gi\u00f3 v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed) g\u1ecdi chung l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.<\/p>\n

H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n HVAC l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong kh\u00f4ng gian trong nh\u00e0 ho\u1eb7c xe c\u1ed9.<\/p>\n

N\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 cho h\u1ec7 HVAC chi\u1ebfm t\u1edbi 70% t\u1ed5ng c\u00f4ng su\u1ea5t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh v\u00e0 \u0111\u00e2y l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng quan t\u00e2m h\u00e0ng \u0111\u1ea7u v\u1ec1 v\u1ea5n \u0111\u1ec1 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. \u0110\u1ec3 \u0111\u1ea1t c\u00e1c ch\u1ee9ng ch\u1ec9 t\u00f2a nh\u00e0 xanh LEED, WELL, LOTUS,.. hay t\u00f2a nh\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 th\u00ec b\u00e0i to\u00e1n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho h\u1ec7 HVAC lu\u00f4n \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c quan t\u00e2m. C\u00e1c ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 ng\u01b0\u1eddi qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng lu\u00f4n lu\u00f4n t\u00ecm c\u00e1ch gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 v\u00e0 gi\u1ea3m chi ph\u00ed.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 1: H\u1ec7 th\u1ed1ng HVAC<\/em><\/p>\n

Bi\u1ebfn t\u1ea7n l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y.<\/p>\n

Control Techniques l\u00e0 nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t bi\u1ebfn t\u1ea7n h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi c\u1ee7a Anh Qu\u1ed1c.<\/p>\n

Control Techniques c\u00f3 c\u00e1c d\u00f2ng bi\u1ebfn t\u1ea7n kh\u00e1c nhau nh\u01b0 d\u00f2ng bi\u1ebfn t\u1ea7n \u0111a n\u0103ng (C200, C300), bi\u1ebfn t\u1ea7n cho b\u01a1m (F600), bi\u1ebfn t\u1ea7n cho thang m\u00e1y (E300),.. trong \u0111\u00f3, H300 l\u00e0 d\u00f2ng bi\u1ebfn t\u1ea7n chuy\u00ean d\u1ee5ng trong h\u1ec7 th\u1ed1ng HVAC, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a theo c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u khi\u1ec3n cho ng\u00e0nh HVAC.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 2: D\u00f2ng bi\u1ebfn t\u1ea7n H300 c\u1ee7a Control Techniques\/ Anh Qu\u1ed1c<\/em><\/p>\n

2. Gi\u1edbi thi\u1ec7u v\u1ec1 d\u00f2ng bi\u1ebfn t\u1ea7n H300 c\u1ee7a Control Techniques\/ Anh Qu\u1ed1c<\/strong><\/p>\n

Bi\u1ebfn t\u1ea7n chuy\u00ean d\u1ee5ng H300 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cao nh\u1ea5t v\u1edbi chi ph\u00ed \u0111\u1ea7u t\u01b0 th\u1ea5p nh\u1ea5t, mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao.<\/p>\n

C\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt chung v\u00e0 chuy\u00ean d\u1ee5ng cho ph\u00e9p d\u1ec5 d\u00e0ng t\u1ed1i \u01b0u h\u00f3a ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng nh\u01b0:<\/p>\n

– D\u1ea3i c\u00f4ng su\u1ea5t: 1.1kW \u0111\u1ebfn 2.8MW.<\/p>\n

– \u0110i\u1ec7n \u00e1p: 200 \u0111\u1ebfn 690VAC.<\/p>\n

– Hi\u1ec7u su\u1ea5t: l\u00ean t\u1edbi 98%.<\/p>\n

– Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1:<\/p>\n

+ Vols\/Hz: Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u1ed5 bi\u1ebfn. Thay \u0111\u1ed5i t\u1ea7n s\u1ed1 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 v\u1edbi quy lu\u1eadt U\/f=const.<\/p>\n

+ Dynamic V\/F functions: s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t \u0111i\u1ec7n n\u0103ng khi ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u1ea5p t\u1ea3i. D\u01b0\u1edbi 70% t\u1ea3i \u0111\u1ecbnh m\u1ee9c, bi\u1ebfn t\u1ea7n c\u00f3 xu h\u01b0\u1edbng t\u0103ng t\u1ea7n s\u1ed1 \u0111\u1ec3 gi\u1ea3m \u0111i\u1ec7n \u00e1p \u0111\u1eb7t v\u00e0o \u0111\u1ed9ng c\u01a1 v\u1edbi m\u1ee5c \u0111\u00edch gi\u1ea3m c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 tr\u00ean \u0111\u1ed9ng c\u01a1.<\/p>\n

+ Square Law mode: Ch\u1ea1y cho c\u00e1c \u1ee9ng d\u1ee5ng qu\u1ea1t ho\u1eb7c m\u00e1y b\u01a1m c\u00f3 \u0111\u1eb7c t\u00ednh t\u1ea3i b\u1eadc 2, momen bi\u1ebfn thi\u00ean.<\/p>\n

+ Open Loop Vector: \u0110i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 c\u1ee7a vector t\u1eeb tr\u01b0\u1eddng quay b\u00ean trong \u0111\u1ed9ng c\u01a1 (s\u1eed d\u1ee5ng c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh). S\u1eed d\u1ee5ng cho t\u1ea3i c\u00f3 momen kh\u00f4ng \u1ed5n \u0111\u1ecbnh, bi\u1ebfn thi\u00ean li\u00ean t\u1ee5c nh\u01b0 n\u00e2ng h\u1ea1, m\u00e1y b\u00f3c, \u00e9p g\u1ed7,…<\/p>\n

+ RFC-A: S\u1eed d\u1ee5ng cho \u0111\u1ed9ng c\u01a1 kh\u00f4ng \u0111\u1ed3ng b\u1ed9. \u0110i\u1ec1u khi\u1ec3n vecto, kh\u00f4ng c\u00f3 ph\u1ea3n h\u1ed3i v\u1ecb tr\u00ed. Bi\u1ebfn t\u1ea7n s\u1eed d\u1ee5ng c\u00e1c t\u00edn hi\u1ec7u ra g\u1ed3m I, U, 1 s\u1ed1 th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n \u0111\u1ec3 n\u1ed9i suy ra t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n

+ RFC-S: S\u1eed d\u1ee5ng cho \u0111\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu hi\u1ec7u su\u1ea5t cao.<\/p>\n

– B\u00e0n ph\u00edm KI-HOA (Hand-Off-Auto).<\/p>\n

– T\u00edch h\u1ee3p b\u1ed9 PLC n\u1ed9i. Ng\u01b0\u1eddi s\u1eed d\u1ee5ng d\u1ec5 d\u00e0ng l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c, t\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ec5 d\u00e0ng qu\u00e1 tr\u00ecnh.<\/p>\n

– M\u1ea1ng truy\u1ec1n th\u00f4ng:<\/p>\n

+ Modbus RTU.<\/p>\n

+ BACnet MS\/TP: S\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

– STO (Safe Torque Off): Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ng\u1eaft momen an to\u00e0n trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n lo\u1ea1i\u00a0 b\u1ecf ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c kh\u1edfi \u0111\u1ed9ng bi\u1ebfn t\u1ea7n kh\u00f4ng mong mu\u1ed1n. Ch\u1ebf \u0111\u1ed9 d\u1eebng kh\u1ea9n c\u1ea5p, c\u00f3 th\u1ec3 gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng t\u1ea1o ra Momen xo\u1eafn ngay l\u1eadp t\u1ee9c v\u00e0 cho ph\u00e9p \u0111\u1ed9ng c\u01a1 d\u1eebng l\u1ea1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng qu\u00e1n t\u00ednh v\u00e0 ma s\u00e1t t\u1ef1 nhi\u00ean t\u1eeb t\u1ea3i.<\/p>\n

– Firemode: thi\u1ebft b\u1ecb bi\u1ebfn t\u1ea7n s\u1ebd lu\u00f4n lu\u00f4n ch\u1ea1y, b\u1ecf qua h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i. Thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng h\u1ebft kh\u1ea3 n\u0103ng \u0111\u1ec3 \u0111\u01b0a to\u00e0n b\u1ed9 kh\u00f3i ra kh\u1ecfi ph\u00f2ng, t\u1ea1o l\u1ed1i tho\u00e1t cho t\u1edbi khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng ng\u01b0\u1ee1ng c\u00e0i \u0111\u1eb7t ho\u1eb7c bi\u1ebfn t\u1ea7n b\u1ecb ph\u00e1 h\u1ee7y. Nh\u01b0ng khi s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 n\u00e0y th\u00ec c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra nguy c\u01a1 h\u1ecfa ho\u1ea1n do bi\u1ebfn t\u1ea7n c\u00f3 th\u1ec3 ch\u1ea1y qu\u00e1 t\u1ea3i.<\/p>\n

– Ch\u1ebf \u0111\u1ed9 Wake\/Sleep mode: D\u1eebng v\u00e0 kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 trong qu\u00e1 tr\u00ecnh nhu c\u1ea7u t\u1ea3i th\u1ea5p \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p>\n

– Ph\u00e1t hi\u1ec7n m\u1ea5t t\u1ea3i (b\u01a1m)\/ \u0110\u1ee9t d\u00e2y \u0111ai truy\u1ec1n \u0111\u1ed9ng (qu\u1ea1t).<\/p>\n

– T\u00edch h\u1ee3p 2 b\u1ed9 PID \u0111\u1ed9c l\u1eadp: 2 b\u1ed9 PID c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n

– \u0110\u1ed3ng h\u1ed3 th\u1eddi gian th\u1ef1c v\u1edbi t\u00ednh n\u0103ng c\u00e0i \u0111\u1eb7t timer. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 l\u00ean l\u1ecbch tr\u00ecnh cho thi\u1ebft b\u1ecb.<\/p>\n

– Gia nhi\u1ec7t \u0111\u1ed9ng c\u01a1 (Motor Pre-heat): T\u1ea1o ra d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u \u1edf m\u1ee9c th\u1ea5p l\u00e0m n\u00f3ng c\u00e1c cu\u1ed9n d\u00e2y c\u1ee7a \u0111\u1ed9ng c\u01a1 \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 ng\u01b0ng t\u1ee5, gia nhi\u1ec7t, s\u1ea5y kh\u00f4, t\u0103ng tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, thi\u1ebft b\u1ecb.<\/p>\n

– Kh\u1edfi \u0111\u1ed9ng bay (Catch a spinning motor): Tr\u01b0\u1edbc khi xu\u1ea5t t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n, bi\u1ebfn t\u1ea7n s\u1ebd d\u00f2 t\u00ecm t\u1ed1c \u0111\u1ed9 hi\u1ec7n t\u1ea1i c\u1ee7a t\u1ea3i, \u0111\u1ed9ng c\u01a1 l\u00e0 bao nhi\u00eau. Bi\u1ebfn t\u1ea7n xu\u1ea5t t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n \u0111\u00fang v\u1edbi t\u1ed1c \u0111\u1ed9 n\u00e0y \u0111\u1ec3 ti\u1ebfp t\u1ee5c ch\u1ea1y v\u00e0 kh\u00f4ng c\u1ea7n d\u1eebng l\u1ea1i.<\/p>\n

– B\u1ecf qua t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng (Resonant Frequency skip): s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u0103n ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c g\u1ea7n b\u1ea5t k\u1ef3 t\u1ea7n s\u1ed1 n\u00e0o m\u00e0 t\u1ea1i \u0111\u1ed1 c\u1ed9ng h\u01b0\u1edfng c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 x\u1ea3y ra => t\u0103ng tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb. C\u1ed9ng h\u01b0\u1edfng c\u01a1 h\u1ecdc nh\u01b0 v\u1eady c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 g\u00e2y ra ti\u1ebfng \u1ed3n \u00e2m thanh qu\u00e1 m\u1ee9c ho\u1eb7c g\u00e2y ra \u1ee9ng su\u1ea5t c\u01a1 => h\u1ecfng h\u00f3c c\u01a1 h\u1ecdc.<\/p>\n

C\u00e1c th\u00f4ng tin kh\u00e1c v\u1ec1 s\u1ea3n ph\u1ea9m, ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o \u0111\u00e2y<\/strong><\/span><\/a>.<\/p>\n

3. V\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng trong h\u1ec7 th\u1ed1ng HVAC<\/strong><\/p>\n

H300 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0: th\u00e1p l\u00e0m m\u00e1t, th\u00f4ng gi\u00f3 \u0111\u01b0\u1eddng h\u1ea7m, chiller, AHU,.. trong h\u1ec7 h\u1ec7 th\u1ed1ng HVAC.<\/p>\n

\"\"<\/strong><\/p>\n

H\u00ecnh 3: M\u00f4 t\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng Chiller v\u00e0 AHU<\/em><\/p>\n

Trong \u0111\u00f3:<\/p>\n

– 1: Qu\u1ea1t gi\u1ea3i nhi\u1ec7t n\u01b0\u1edbc<\/p>\n

– 2: B\u01a1m n\u01b0\u1edbc ng\u01b0ng<\/p>\n

– 3: M\u00e1y n\u00e9n l\u1ea1nh<\/p>\n

– 4: B\u01a1m n\u01b0\u1edbc l\u1ea1nh<\/p>\n

– 5: Qu\u1ea1t c\u1ea5p<\/p>\n

– 6: Qu\u1ea1t h\u1ed3i<\/p>\n

3.1. Qu\u1ea1t gi\u1ea3i nhi\u1ec7t n\u01b0\u1edbc<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+ Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+ Gi\u1ea3m \u0111\u1ed9 \u1ed3n.<\/p>\n

+ \u0110i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc mong mu\u1ed1n t\u1ea1i b\u00ecnh ng\u01b0ng.<\/p>\n

– Ch\u1ee9c n\u0103ng: Qu\u1ea1t gi\u1ea3i nhi\u1ec7t n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n theo nhi\u1ec7t \u0111\u1ed9 t\u1ea1i b\u00ecnh ng\u01b0ng. \u0110\u1ec3 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng l\u1ea1nh kh\u00f4ng c\u1ea7n thi\u1ebft, qu\u1ea1t gi\u1ea3i nhi\u1ec7t n\u01b0\u1edbc kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng \u0111\u1ebfn khi b\u01a1m n\u01b0\u1edbc ng\u01b0ng ch\u1ea1y v\u01b0\u1ee3t qu\u00e1 t\u1ed1c \u0111\u1ed9 l\u1edbn nh\u1ea5t.<\/p>\n

3.2. B\u01a1m n\u01b0\u1edbc ng\u01b0ng<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+ Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+\u00a0 \u0110i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc mong mu\u1ed1n t\u1ea1i b\u00ecnh ng\u01b0ng.<\/p>\n

+\u00a0 Gi\u1ea3m t\u00e1c \u0111\u1ed9ng l\u00ean h\u1ec7 c\u01a1 nh\u1edd kh\u1edfi \u0111\u1ed9ng v\u00e0 d\u1eebng m\u1ec1m.<\/p>\n

– <\/strong>Ch\u1ee9c n\u0103ng:
\nB\u01a1m ng\u01b0ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n theo lu\u1eadt PID \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc b\u00ecnh ng\u01b0ng lu\u00f4n c\u1ed1 \u0111\u1ecbnh. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ea1y khi b\u01a1m l\u1ea1nh v\u00e0 m\u00e1y n\u00e9n l\u1ea1nh ch\u1ea1y.<\/p>\n

3.3. M\u00e1y n\u00e9n l\u1ea1nh<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+\u00a0 Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+\u00a0 Gi\u1ea3m nhu c\u1ea7u \u0111\u1ec9nh.<\/p>\n

+\u00a0 Gi\u1ea3m t\u00e1c \u0111\u1ed9ng l\u00ean h\u1ec7 c\u01a1 nh\u1edd kh\u1edfi \u0111\u1ed9ng v\u00e0 d\u1eebng m\u1ec1m.<\/p>\n

+\u00a0 \u0110i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh.<\/p>\n

+\u00a0 T\u0103ng tu\u1ed5i th\u1ecd chiller.<\/p>\n

+\u00a0 Gi\u1ea3m nhu c\u1ea7u b\u1ea3o tr\u00ec.<\/p>\n

– Ch\u1ee9c n\u0103ng:
\nBi\u1ebfn t\u1ea7n t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e1y n\u00e9n theo nhu c\u1ea7u l\u1ea1nh mong mu\u1ed1n. M\u00e1y n\u00e9n \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n theo nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u1ea1nh. T\u1ed1c \u0111\u1ed9 t\u1ed1i thi\u1ec3u c\u1ee7a m\u00e1y n\u00e9n b\u1eb1ng 60% t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi b\u01a1m n\u01b0\u1edbc l\u1ea1nh v\u00e0 b\u01a1m n\u01b0\u1edbc ng\u01b0ng ch\u1ea1y.<\/p>\n

3.4. B\u01a1m n\u01b0\u1edbc l\u1ea1nh<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+\u00a0 Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+\u00a0 \u0110i\u1ec1u khi\u00ean ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ea5p.<\/p>\n

+\u00a0 Gi\u1ea3m t\u00e1c \u0111\u1ed9ng l\u00ean h\u1ec7 c\u01a1 nh\u1edd kh\u1edfi \u0111\u1ed9ng v\u00e0 d\u1eebng m\u1ec1m.<\/p>\n

– Ch\u1ee9c n\u0103ng:
\nB\u01a1m n\u01b0\u1edbc l\u1ea1nh tu\u1ea7n ho\u00e0n n\u01b0\u1edbc l\u1ea1nh trong h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 kh\u00ed c\u1ea5p v\u00e0o. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi nhi\u1ec7t \u0111\u1ed9 \u1ed1ng d\u1eabn t\u0103ng cao h\u01a1n m\u1ee9c \u0111\u1eb7t tr\u01b0\u1edbc v\u00e0 m\u00e1y n\u00e9n l\u1ea1nh ch\u1ea1y.<\/p>\n

3.5. Qu\u1ea1t c\u1ea5p<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+\u00a0 Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+\u00a0 \u0110i\u1ec1u khi\u00ean ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed\/l\u01b0\u1ee3ng CO2.<\/p>\n

+\u00a0 Gi\u1ea3m b\u1ea3o tr\u00ec c\u01a1 kh\u00ed.<\/p>\n

+\u00a0 Gi\u1ea3m \u0111\u1ed9 \u1ed3n.<\/p>\n

– Ch\u1ee9c n\u0103ng:
\nCh\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng t\u1ed1c \u0111\u1ed9 qu\u1ea1t c\u1ea5p ph\u1ee5 thu\u1ed9c theo l\u01b0\u1ee3ng CO2 kh\u00ed th\u1ea3i. Damper kh\u00ed ra s\u1ebd \u0111\u01b0\u1ee3c m\u1edf khi qu\u1ea1t c\u1ea5p kh\u1edfi \u0111\u1ed9ng. Qu\u1ea1t c\u1ea5p ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi damper m\u1edf ho\u00e0n to\u00e0n.<\/p>\n

3.6. Qu\u1ea1t h\u1ed3i<\/p>\n

– L\u1ee3i \u00edch:<\/p>\n

+\u00a0 Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

+\u00a0 \u0110i\u1ec1u khi\u00ean ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t \u1ed1ng d\u1eabn.<\/p>\n

+\u00a0 Gi\u1ea3m b\u1ea3o tr\u00ec c\u01a1 kh\u00ed.<\/p>\n

+\u00a0 Gi\u1ea3m \u0111\u1ed9 \u1ed3n.<\/p>\n

– Ch\u1ee9c n\u0103ng:
\n\u00c1p su\u1ea5t ph\u00f2ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng t\u1ed1c \u0111\u1ed9 qu\u1ea1t h\u1ed3i ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1p su\u1ea5t kh\u00ed \u1ed1ng x\u1ea3. \u00c1p su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c duy tr\u00ec kh\u00f4ng \u0111\u1ed5i b\u1eb1ng lu\u1eadt \u0111i\u1ec1u khi\u1ec3n PID. Damper kh\u00ed x\u1ea3 \u0111\u01b0\u1ee3c m\u1edf khi qu\u1ea1t h\u1ed3i kh\u1edfi \u0111\u1ed9ng. Qu\u1ea1t h\u1ed3i ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng khi damper n\u00e0y m\u1edf ho\u00e0n to\u00e0n.<\/p>\n

4. Video gi\u1edbi thi\u1ec7u s\u1ea3n ph\u1ea9m<\/strong><\/p>\n