西門子寬溫PLC模塊6AG15425DX007XE0安全至上操作說明 |
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西門子寬溫PLC模塊6AG15425DX007XE0安全至上操作說明 壓縮式熱泵是以消耗一部分高質(zhì)能(機(jī)械能或電能)為代價(jià)致熱的,如圖3-1所示。低沸點(diǎn)工質(zhì)通過壓縮機(jī)壓縮,消耗外功W,使工質(zhì)的壓力和溫度升高。由于它的溫度高于供熱所需的溫度TH,讓它通過冷凝器向室內(nèi)供出熱量Q1而本身被冷凝。然后通過膨脹閥節(jié)流降壓,同時(shí)溫度也降低。由于它的溫度將低于采暖熱源的溫度TL(一般為環(huán)境溫度T),在蒸發(fā)器中吸收外界熱量Q2而蒸發(fā)。蒸氣再回到壓縮機(jī)繼續(xù)壓縮,完成一個(gè)循環(huán)。圖3-1壓縮式熱泵系統(tǒng)1-壓縮機(jī);冷凝器;膨脹閥;蒸發(fā)器=由上式可知,如果(T1-T2)越小,或T2/T1越大,則越大。 西門子寬溫PLC模塊6AG15425DX007XE0安全至上操作說明 ALLEN BRADLEY 1770-CP / 1770CP (USED TESTED CLEANED) ALLEN BRADLEY SP-142505 / SP142505 (USED TESTED CLEANED) ALLEN BRADLEY 42RE1-1005 / 42RE11005 (USED TESTED CLEANED) ALLEN BRADLEY 142570 / 142570 (USED TESTED CLEANED) ALLEN BRADLEY TC714 / TC714 (USED TESTED CLEANED) ALLEN BRADLEY 280-PWRM22A-M14 / 280PWRM22AM14 (RQANS1) ALLEN BRADLEY 871TM-DH8CN18-N4 / 871TMDH8CN18N4 (RQANS2) ALLEN BRADLEY 500F-BOJ930 / 500FBOJ930 (USED TESTED CLEANED) ALLEN BRADLEY 1-A16 / 1A16 (USED TESTED CLEANED) ALLEN BRADLEY 845N-SJDN4-FWY1 / 845NSJDN4FWY1 (USED TESTED CLEANED) ALLEN BRADLEY 845N-SJDN4-CWY1 / 845NSJDN4CWY1 (USED TESTED CLEANED) ALLEN BRADLEY Z-29231 / Z29231 (RQANS2) ALLEN BRADLEY 872C-DH8NN18-N4 / 872CDH8NN18N4 (RQANS2) ALLEN BRADLEY 845N-SJDN4-CNN1 / 845NSJDN4CNN1 (USED TESTED CLEANED) ALLEN BRADLEY 855T-B20FN8 / 855TB20FN8 (USED TESTED CLEANED) ALLEN BRADLEY 1770-XJ / 1770XJ (USED TESTED CLEANED) ALLEN BRADLEY 194L-HE6A-325 / 194LHE6A325 (NEW NO BOX) ALLEN BRADLEY 702L-BOA-93-K / 702LBOA93K (USED TESTED CLEANED) ALLEN BRADLEY 802C-TCA-10 / 802CTCA10 (RQANS1) ALLEN BRADLEY 193-A4K4 / 193A4K4 (USED TESTED CLEANED) ALLEN BRADLEY 75006-272-01 / 7500627201 (USED TESTED CLEANED) ALLEN BRADLEY 1202-C03 / 1202C03 (USED TESTED CLEANED) ALLEN BRADLEY 440F-M1224AYNN / 440FM1224AYNN (NEW NO BOX) ALLEN BRADLEY 815-DOV15 / 815DOV15 (USED TESTED CLEANED) ALLEN BRADLEY 42LRC-5220 / 42LRC5220 (Used) ALLEN BRADLEY 855T-AVM / 855TAVM (NEW IN BOX) ALLEN BRADLEY S50389 / S50389 (USED TESTED CLEANED) ALLEN BRADLEY 194E-E40-1756 / 194EE401756 (USED TESTED CLEANED) ALLEN BRADLEY 85-A21 / 85A21 (USED TESTED CLEANED) ALLEN BRADLEY 871F-AW20N50-N3 / 871FAW20N50N3 (USED TESTED CLEANED) NEW LISTINGALLEN BRADLEY 800T-H2D2 / 800TH2D2 (Surplus New In Box) ALLEN BRADLEY 849-ZOD122 / 849ZOD122 (NEW NO BOX) ALLEN BRADLEY 2711P-T6C1D / 2711PT6C1D (NEW NO BOX) ALLEN BRADLEY NB714 COIL 24VDC ALLEN BRADLEY 5250-LP / 5250LP (USED TESTED CLEANED) ALLEN BRADLEY 5250-LP / 5250LP (USED TESTED CLEANED)See more like this Allen Bradley 800T-J91 3 Position Selector Switch ALLEN BRADLEY 1492-G010 SERIES A, NEW* #105013 ALLEN BRADLEY 2801-NL8 / 2801NL8 (NEW IN BOX) Allen Bradley 800E-2X01 Contact Block 800E2X01 ALLEN BRADLEY 2711-T6C3L1 / 2711T6C3L1 (USED TESTED CLEANED) Allen Bradley 1492-CB1G020 Circuit Breaker Series B ALLEN BRADLEY 1336-140550 / 1336140550 (NEW IN BOX) ALLEN BRADLEY 100-5N*3 CONTACTOR ALLEN BRADLEY 1771-IAD-B INPUT MODULE 1771IADB ALLEN BRADLEY 1771-IAD-B INPUT MODULE 1771IADB ALLEN BRADLEY W31 OVERLOAD HEATER Allen-Bradley 1492-SPU1B050 Circuit Breaker 5amp 1 Pole ! WOW ! Allen-Bradley 1771-OA Output Module EXPRESS SHIPPING!!! Allen-Bradley 849-N5 Surge Suppressor 120V ! WOW ! ALLEN BRADLEY 849A-ZOA24 / 849AZOA24 (NEW IN BOX) ALLEN BRADLEY W59 U 21.8A 600V USED ALLEN BRADLEY 700-N1 N NEW ALLEN BRADLEY 810-A14A / 810A14A (NEW IN BOX) ALLEN BRADLEY 809S-AB010A1 / 809SAB010A1 (NEW IN BOX) ALLEN BRADLEY 150-A16NB / 150A16NB (NEW IN BOX) ALLEN BRADLEY 100-c09*10 W/ OVERLOAD RELAY 193-BSB16 SER. B 110 VAC .. LOTOF 2 ALLEN BRADLEY V7-MP-7 Marker NEW IN THE BOX! Allen-Bradley 700DC-P400Z24 Series A DC Relay ALLEN BRADLEY 500EODX2 / 500EODX2 (NEW IN BOX) ALLEN BRADLEY 1336-MOD-L3 / 1336MODL3 (Surplus New In Box) ALLEN BRADLEY 15 AMP SINGLE POLE CIRCUIT BREAKER MODEL 1492-G150 Allen Bradley via TCS 1492CJR54 Ser. 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