WMS3B10;
WMS3B10現貨;
WMS3B10供應。
空調系統設計首先是根據室外氣象參數和室內空調設計參數計算冷負荷,按分區結構特點,根據產品樣本選擇相應的設備,組合成一個系統。但空調系統絕大部分時間是在不滿負荷的情況下工作。在不滿負荷工作的控制方式不合理,系統能效比會大大降低?,F在空調系統在運行調節方式上,風水系統主要是閥門(手動、自動閥門調節),主機利用卸荷方式,而這些方式是犧牲了阻力能耗來適應末端負荷要求,造成運行成本居高不下。
若采用變頻控制,能量的傳遞和運輸環節控制為變水量(VWV)和變風量(VAV),使傳遞和運輸耦合并達到溫差置換,其動力僅為其它控制系統的30~60%,而且節能是雙效的,因為對制冷主機的需求能耗同時下降。主機采用變頻節能控制,保持設計工況下的制冷劑運動的物理量(如溫差、壓力等)變化,節能較其它調荷方式明顯,如約克(YORK)的YT型離心式冷水機組,配置變頻機組在部分負荷下能效比可降至0.2kw/冷噸,可見變頻控制方式在空調系統中應用前景十分廣闊。
7. 看似尋常奇崛,成如容易卻艱辛。 (宋王安石)
————————————————————
XYCOM 9462-0132120016002 NSFP 9462013212001600Xycom / Airgage Operator Panel 9450 _ 945O _ 9450-2446616010000
NACHI SERVO MOTOR MSMA302D7V3
MURR Elektronik Relais Artikel-Nr. 51100 Neu OVP
Siemens Simatic S7 Profibus Stecker 6ES7972-0BA40-0XA0 6ES7-972-0BA40-0XA0
Cooper Tools PCB2000 Rev D P86M-94V-0 PC Board Card
One-day shipping available
FANUC CNC BOARD A20B-0002-0943
9487 XYCOM LCD MONITOR TOUCH SCREEN **1Y REMANUFACTUREXYCOM AUTOMATION SXT 1811 VIEWTRONICS
From CanadaGE FANUC BOARD 44A399768-G01 44A399768G01 BURG1
Siemens Simatic S5 CPU922 6ES5922-3UA11 6ES5-922-3UA11XYCOM AUTOMATION 3515 OPERATOR INTERFACE PANEL -- USED -- 60 DAY WARRANTY
Xycom 112471-099 112471099 B 115107 Mother Board - Used
GE Fanuc SERIES 90 30 IC693PCM301D IC693PCM301 NEWFrom Canada
199MSMA1 NEW ALLEN BRADLEY 199 MSMA1
Panasonic AC Servo Motor MSMA021A1F Free Ship
NA55200 TIMKEN New Bearings
SAJF// PANASONIC MSMA3AZC18 USEDXYCOM RAC PAC TERMINAL OPERATOR INTERFACE 4810SM *PARTS OR REPAIR*
XYCOM XVME-955 USPP XVME955
Siemens Zeitrelais 7PU4220-2BN20 NEU
Siemens Simatic S5 32 DI 6ES5-430-7LA12 6ES5430-7LA12
From Canada
GE FANUC IC660BBR101 IC660EBR101 IC660TBR101 NEW
COOPER TOOLS S959860/2 USPP S9598602
FANUC Fan Adapter Lüfter PSM45 A06B-6078-K003 NEW
Siemens Simodrive Verbindungsleitung 6SN1161-1CA00-0AA1
From CanadaBosch Netzfilter KI.A 1070 920963 3x480V 36A
XYCOM XVME-200 I/O CARD USEDFrom Canada
21226D TIMKEN New Bearings
42381 90079 TIMKEN New Bearings
Siemens Simatic S5 6ES5430-4UA13 6ES5-430-4UA13
Xycom 9460
Denso Servo Motor MSMA5AZT2U2 (free shipping)153101 TIMKEN New Bearings
Siemens Hilfsschalterblock 3TX4422-0A NEU#SLS1C22 XYCOM Automation Model 3535 KPM 788LR
Fanuc A16B-2200-0251/?05C A16B-2200-0251 AXIS CONTROLSiemens Simatic S5 6ES5512-5BC12 6ES5-512-5BC12 Vers. 01
Bosch Netzfilter KI.A 1070 920963 3x480V 36A
GE FANUC BOARD 44A391734-G01 44A391734G01 TLG113182D TIMKEN New Bearings
One-day shipping available
NA82587 TIMKEN New Bearings
Siemens Schütz 7,5KW 400V 3RT1025-1BB44 3ZX1012-0RT02-1AA1 NEU
22168 90012 TIMKEN New BearingsPilz Not-Aus-Schaltger?t PNOZ X1
GE FANUC PRO FACE TOUCH SCREEN GP370-LG12-24V GP370
Siemens Simatic S7 2DO Modul 6ES7132-4BB30-0AA0 6ES7 132-4BB30-0AA0
COOPER TOOLS 3BA-3B260A-2/3?K2A-3ZA USPP 3BA3B260A23K2A?3Z
One-day shipping available
From Canada
GE Fanuc A06B-0116-B403 BIS 1/6000
69354 9G010 TIMKEN New Bearings
From Singapore