冷水远传压力表7和热水远传压力表，分别检测自来水端和燃气锅炉热水端的水压，并把检测到的信号转变成电信号送到控制器，在控制器内通过比较这两路信号高低，产生一个压差信号输出到变频器，变频器控制增压泵的运行速度，使热水压力随时跟踪自来水压力，使两者一直保持平衡。另外，当房间的热水长时间不用时，管道内的水温必然降低，为此在热水系统中加装了一个循环泵，使热水一直保持循环状态，这样无论何时都可以实现恒温

CUTLER HAMMER GD3020 3P 20A AMP 480V-AC MOLDED CASE CIR

SQUARE D FA26040AB I-LINE 2P 40A AMP 600V-AC MOLDED CAS

NEW GE TED136025 3P 25A AMP 600V-AC MOLDED CASE CIRCUIT

CUTLER HAMMER HMCP003A0C 3P 3A AMP 600V-AC MOLDED CASE 

NEW GE TED134015WL 3P 15A AMP 480V-AC MOLDED CASE CIRCU

NEW SQUARE D FAL24015 2P 15A AMP 480V-AC CIRCUIT BREAKE

NEW CUTLER HAMMER HMCPS003A0C MOLDED CASE CIRCUIT BREAK

NEW SQUARE D FAL34090 3P 90A AMP 480V-AC CIRCUIT BREAKE

GENERAL ELECTRIC GE THQB-1130GF 1P 30A AMP 120V-AC CIRC

ITE EH3-B100 3P 100A AMP 480V-AC MOLDED CASE CIRCUIT BR

ETA 42-01-5A MAGNETIC 1P 250V-AC 5A AMP MOLDED CASE CIR

STOPCIRCUIT GMB 30U 2P 30A AMP 380V-AC CIRCUIT BREAKER 

NEW ALLEN BRADLEY 140M-C2T-C16 MOTOR PROTECTION 3P 16A 

ITE JL3L400 MOLDED CASE 3P 400A AMP 600V-AC CIRCUIT BRE

GENERAL ELECTRIC GE THQB3100 3P POLE 100A AMP 240V-AC C

GENERAL ELECTRIC GE TQ1120 1P 20A AMP 120/240V-AC CIRCU

NEW SIEMENS ED63A005 INTERRUPTER 3P 5A AMP 600V-AC CIRC

WESTINGHOUSE FDB3030L LFD3070R CIRCUIT BREAKER W/ CURRE

GENERAL ELECTRIC GE TKM836150WL 150A TRIP 3P 150A 600V 

ITE ET JKL 3P 400A AMP 600V-AC MOLDED CASE CIRCUIT BREA

NEW CUTLER HAMMER WMS3C06 415V 3P 6A AMP CIRCUIT BREAKE

ALLEN BRADLEY 1492-GH010 SER B 65V-DC 1P 1A AMP 250V-AC

NEW POTTER BRUMFIELD W91-X112-7 CURVE 2 1P 7A 277V-AC C

ABB E93565 SACE S3N S3 MOLDED CASE 3P 100A AMP 600V-AC 

ABB S3N030TW SACE S3 ISOMAX S3N 3P 30A AMP 600V-AC CIRC

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

GENERAL ELECTRIC GE THQC2130 2P 30A AMP 120/240V-AC CIR

NEW ALLEN BRADLEY 1492-CB1G250 1P 25A AMP 300V-AC CIRCU

SQUARE D FAL34015 MOLDED CASE 3P 15A AMP 600V-AC CIRCUI

ETA 91H1225 1P 25A AMP 240/415V-AC CIRCUIT BREAKER D303

ETA 91H1225 1P 25A AMP 240/415V-AC CIRCUIT BREAKER D303

CUTLER HAMMER FDB3050L SER C 3P 50A AMP MOLDED CASE CIR

ITE JL3L400 MOLDED CASE 3P 400A AMP 600V-AC CIRCUIT BRE

GE TFK236F000 3P 225A AMP 600V-AC 200A TRIP UNIT CIRCUI

CUTLER HAMMER BA 1P 15A AMP 120-240V-AC MOLDED CASE CIR

NEW GENERAL ELECTRIC GE TED124015 2P 15A AMP 480V-AC CI

NEW SQUARE D QON24L70 MOUNTING BASE 70A AMP 240V-AC D42

STOPCIRCUIT GMU 2U ENTRELEC LR88297 1P 2A AMP 240V-AC C

TRUMBULL ATB36030 MOLDED CASE 3P 30A AMP 600V-AC CIRCUI

ITE ETI-4757 3P 225A AMP 600V-AC MOLDED CASE CIRCUIT BR

ITE EH3-B050 3P 50A AMP 480V-AC MOLDED CASE CIRCUIT BRE

ITE EF3-B050 MOLDED CASE 3P 50A AMP 600V-AC CIRCUIT BRE

WESTINGHOUSE 1605780A CF 2P 100A AMP 240V-AC MOLDED CAS

NEW ALLEN BRADLEY 1492-CB2G100 SER B 2P 10A AMP 480V-AC

GENERAL ELECTRIC GE THEF136020 3P 20A 600V-AC CIRCUIT B

NEW ALLEN BRADLEY 1489-A3C300 3P 30A AMP 480Y/277V-AC C

KLOCKNER MOELLER FAZN C4 2P 4A AMP 480V-AC MOLDED CASE 

ABB SACE ISOMAX S3 N 150 30A 600V-AC 3P MOLDED CASE CIR

NEW SQUARE D FAL3600311M MAG GARD 3P POLE 3A AMP 600V-A

NEW WESTINGHOUSE FB3050 3P 50A AMP 600V-AC MOLDED CASE 

NEW WESTINGHOUSE 2601D39G14 MC800 RATING PLUG TRIP UNIT

NEW CUTLER HAMMER 3TA603LDK BARRIER ASSEMBLY CIRCUIT BR

SQUARE D FAL36003 11M FA FRAME 3P 3A AMP 600V CIRCUIT B

WESTINGHOUSE EL3007R CURRENT LIMITER 3P 7A AMP 600V-AC 

BULLDOG ELECTRIC P120 PUSHMATIC 1P 20A AMP 40V-AC CIRCU

GENERAL ELECTRIC GE TKM836125 125A TRIP 3P 125A 600V-AC

ABB S272 K10A 2P 10A AMP 480V-AC MOLDED CASE CIRCUIT BR

NEW RELIANCE 65241-75A 1P 30A CIRCUIT BREAKER B216592

CUTLER HAMMER FDB3015L LFD3070R 3P 15A AMP 600V-AC CIRC

WESTINGHOUSE LFB3070R CURRENT LIMITER 3P 15-70A 600V-AC

GENERAL ELECTRIC GE TKM436F000 150A TRIP 3P 400A 600V-A

GENERAL ELECTRIC GE TFKOMI OPERATING MECHANISM CIRCUIT 

SQUARE D LAF3640022M1212 MAG-GARD 3P 400A AMP 600V-AC C

CROUSE HINDS DBR 56742 WT70-3 INTERLOCKING RECEPTACLE 7

CUTLER HAMMER ED3150Y ED 65K 3P 150A 240V-AC MOLDED CAS

SQUARE D KAL361001021 THERMAL-MAGNETI?C 3P 100A 600V-AC 

SIEMENS W L25A 2P 25A AMP 380V-AC MOLDED CASE CIRCUIT B

ITE EF3-B070 3P 70A AMP 600V-AC MOLDED CASE CIRCUIT BRE

SQUARE D LAL36225 3P 225A AMP 600V-AC MOLDED CASE CIRCU

SQUARE D KCP341501212 MOLDED CASE 3P 150A 480V-AC CIRCU

ITE ETI-2685 3P 50A AMP 600V-AC MOLDED CASE CIRCUIT BRE

ITE ETI-4756 2P 225A AMP 600V-AC MOLDED CASE CIRCUIT BR

CUTLER HAMMER ED3150Y INDUSTRIAL 3P 150A AMP 240V-AC CI

GENERAL ELECTRIC TKM836F000 200A TRIP 3P 800A 600V-AC C

NEW EMECANIQUE GB2-CB06 PROTECTOR 1P 1A AMP 230V-AC 

NEW ALLEN BRADLEY 1492-GH150 MOLDED CASE 1P 15A 250V-AC

WESTINGHOUSE HJD3250F 3P 250A AMP 600V-AC MOLDED CASE C

WESTINGHOUSE SLB ENCLOSED 3P 400A AMP 600/250V-AC/DC CI

NEW CUTLER HAMMER GMCP MOTOR CIRCUIT BREAKER PROTECTOR 

EATON WMZS1C02 MINIATURE MOLDED CASE 1P 2A AMP 277V-AC 

NEW ALLEN BRADLEY 1492-SP3C040 MINIATURE SER C 3P 4A AM

NEW CUTLER HAMMER HFD3045L MOLDED CASE 3P 45A 600V-AC C

GENERAL ELECTRIC GE TKM836600 600A TRIP 3P 600A 600V-AC

SQUARE D FHP36070 THERMAL-MAGNETI?C 3P 70A AMP 600V-AC C

FEDERAL PIONEER NB220 2P 20A AMP 120/240V-AC MOLDED CAS

NEW SQUARE D 9080 GCB40 1P 4A AMP 250V-AC CIRCUIT BREAK

NEW SQUARE D FAL34030 MOLDED CASE 3P 30A AMP 480V-AC CI

NEW SIEMENS CQD120 1P 20A 120/277V-AC CIRCUIT BREAKER D

NEW ALTECH 3EU16 MOLDED CASE 3P 16A AMP 480V-AC CIRCUIT

NEW SQUARE D MHF361000 3P 1000A AMP 600V-AC MOLDED CASE

热水。