冷水遠傳壓力表7和熱水遠傳壓力表，分別檢測自來水端和燃氣鍋爐熱水端的水壓，并把檢測到的信號轉(zhuǎn)變成電信號送到控制器，在控制器內(nèi)通過比較這兩路信號高低，產(chǎn)生一個壓差信號輸出到變頻器，變頻器控制增壓泵的運行速度，使熱水壓力隨時跟蹤自來水壓力，使兩者一直保持平衡。另外，當房間的熱水長時間不用時，管道內(nèi)的水溫必然降低，為此在熱水系統(tǒng)中加裝了一個循環(huán)泵，使熱水一直保持循環(huán)狀態(tài)，這樣無論何時都可以實現(xiàn)恒溫供

ITE EF3-B030 3P 30A AMP 600V-AC MOLDED CASE CIRCUIT BRE

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WESTINGHOUSE FB3010L 4992D46G33 10A AMP 3P 600V-AC CIRC

GENERAL ELECTRIC GE TKM836F000 300A TRIP 3P 800A 600V C

WESTINGHOUSE HMCP050K2C HMCP 3P 50A AMP MOLDED CASE CIR

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CUTLER HAMMER HMCP030H1 3P 30A AMP 600V-AC MOLDED CASE

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FUJITSU BU3EHC-015L MOLDED CASE 3P 15A AMP 600V-AC CIRC

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CUTLER HAMMER GD3030 3P 30A AMP 480V-AC MOLDED CASE CIR

FUJI BU3EHC-020L MOLDED CASE 3P 20A AMP 600V-AC CIRCUIT

ITE 3807 TYPE ETI FRAME 100 MOLDED CASE 3P 5A AMP 600V

FUJI BU3EHC-050L 3P 50A AMP 600V-AC MOLDED CASE CIRCUIT

SQUARE D QOM2200VHL 2P 200A AMP 120/240V-AC CIRCUIT BRE

GE TED134060 3P 60A AMP 480V-AC MOLDED CASE CIRCUIT BRE

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HEINEMANN CF3-G8-DU MOLDED CASE 3P 15A AMP 240V-AC CIRC

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WESTINGHOUSE 3P 30A AMP 600V-AC MOLDED CASE CIRCUIT BRE

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STOTZ S-163 7 POLE 3P 15A AMP 380V-AC MOLDED CASE C

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GENERAL ELECTRIC GE TQ1130 1P 30A AMP 120/240V-AC CIRCU

AIRPAX APGH11-1-61F-50?2-01 2P 5A AMP 250V-AC CIRCUIT BR

CUTLER HAMMER FD3015L 3P 15A AMP 600V-AC MOLDED CASE CI

SQUARE D FA34020 I-LINE MOLDED CASE 3P 20A AMP 480V-AC

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WESTINGHOUSE FB2015 2P 15A AMP 600V-AC MOLDED CASE CIRC

ALLEN BRADLEY 1492-CB3H060 3P 6A AMP 480V-AC MOLDED CAS

SIEMENS ED42B015 SENTRON SERIES 15A AMP 480V-AC CIRCUIT

WESTINGHOUSE FDB3070L 3P 70A AMP 600V-AC MOLDED CASE CI

WESTINGHOUSE HFB3070L 3P 70A AMP 600V-AC MOLDED CASE CI

ITE ET-4033 3P 30A AMP 600V-AC MOLDED CASE CIRCUIT BREA

WESTINGHOUSE FB3015S 3P 15A AMP 600V-AC MOLDED CASE CIR

WESTINGHOUSE MOLDED CASE 3P 70A AMP 600V-AC CIRCUIT BRE

CUTLER HAMMER HMCP015E0C HMCP 3P 15A AMP 600V-AC CIRCUI

ITE ET-5920 3P 225A AMP 600V-AC MOLDED CASE CIRCUIT BRE

CUTLER HAMMER HFD3100 3P 100A AMP 600V-AC MOLDED CASE C

CUTLER HAMMER HMCP007C0CA02 3P 7A AMP MOLDED CASE CIRCU

CUTLER HAMMER HFD3100 3P 100A AMP 600V-AC MOLDED CASE C

CUTLER HAMMER HMCP007C0CA02 3P 7A AMP MOLDED CASE CIRCU

SQUARE D FAL32020 3P 20A AMP 240V-AC CIRCUIT BREAKER D3

SQUARE D 999350 3P 50A AMP 600V-AC MOLDED CASE CIRCUIT

WESTINGHOUSE BR330 HACR 3P 30A AMP 240V-AC MOLDED CASE

CUTLER HAMMER QBGF2015 2P 15A AMP 240V-AC MOLDED CASE C

ITE ET-4035 3P 50A AMP 600V-AC MOLDED CASE CIRCUIT BREA

SQUARE D 9422-RP-1 OPERATING MECHANISM REPLACEMENT PART

ITE BQ3B050 MOLDED CASE 3P 50A AMP 240V-AC CIRCUIT BREA

WESTINGHOUSE HFB3100L MARK75 3P 100A 600V CIRCUIT BREAK

SQUARE D FAL34020 MOLDED CASE 3P 20A AMP 480V-AC CIRCUI

CUTLER HAMMER HMCP003A0CA02 PROTECTOR 3P 3A 600V-AC CIR

FUJI EA53F MOLDED CASE 3P 50A AMP 220V-AC CIRCUIT BREAK

CUTLER HAMMER HMCP030H1C 3P 30A AMP 600V-AC MOLDED CASE

WESTINGHOUSE FB3030L 3P 30A AMP 600V-AC MOLDED CASE CIR

ITE FJ3-B200 3P 200A AMP 600V-AC MOLDED CASE CIRCUIT BR

CUTLER HAMMER HMCP030H1C HMCP 3P 30A AMP 600V-AC CIRCUI

NEW CUTLER HAMMER HMCP050K2C 3P 50A 600V-AC MOLDED CASE

WESTINGHOUSE EL3015R 2607D43G09 CURRENT LIMITER 3P 15A

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WESTINGHOUSE FD3060 3P 60A AMP 600V-AC CIRCUIT BREAKER

CARLINGSWITCH DF2-B0-46-610-1?31-C 2P 10A AMP MOLDED CAS

ABB S 202 K3A 2P 3A AMP 480V-AC MOLDED CASE CIRCUIT BRE

WESTINGHOUSE FB3050L 3P 50A AMP 600V-AC MOLDED CASE CIR

WESTINGHOUSE EHB3070L MOLDED CASE 3P 70A 480V-AC CIRCUI

WESTINGHOUSE EHB3015 3P 15A AMP 480V-AC MOLDED CASE CIR

ABB E93565 T1N N5596 TMAX MOLDED CASE 3P 15A AMP 600V-A

WESTINGHOUSE 1531786 AB DE-ION 3P 50A AMP 600V-AC CIRCU

NITTO NBE103J 3P POLE 100A AMP 600V-AC CIRCUIT BREAKER

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GENERAL ELECTRIC SELA36AT0150 MOLDED 3P 150A AMP 600V-A

WESTINGHOUSE LB3400F 150A TRIP 400A AMP 600V 3P CIRCUIT

WESTINGHOUSE FA3030 AB DE-ION MOLDED 3P 30A AMP 600V-AC

ALLEN BRADLEY 1492-GH020 2A AMP 250V-AC CIRCUIT BREAKER

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ITE EF3-A005 MOLDED CASE 3P 5A AMP 600V-AC CIRCUIT BREA

WESTINGHOUSE FDB3020L MOLDED CASE 3P 20A AMP 600V-AC CI

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熱水。