1746-RT26 1746-RT26

3.1夏季控制

机组做制冷运行，并按露点温度控制。露点温度由用户在触摸屏上设置。当蒸发器露点温度大于设定值△t1℃时先启动压缩机1，大于设定值△t2时启动压缩机2，压缩机1运行延时一段时间后，由室内温湿度传感器测量值与室内温湿度设定值比较，若温度偏高△t3，再启动压缩机3，偏高△t4时启动压缩机4，与此同时若室内湿度大于设定值，投入电加热(如果室内温度低于设定值也要投入电加热)，若新风温度低于设定值，压缩机1，2停止，同时湿度低于设定值时压缩机3，4也停止。

3.2冬季控制

冬季机组热泵运行，当新风温度低于默认值t1℃时，压缩机1启动，低于默认值t2℃启动压缩机2，当新风温度低于默认值t3℃且室内温度偏低t4℃以上，压缩机3启动，当新风温度低于默认值t5℃且室内温度偏低t6℃以上，压缩机4启动，若新风温度低于t7℃预加热投入；若室内温度低于各设定值t8℃时电加热分组启动；高于设定值t9℃时电加热依次停止；若新风温度升至t10℃时，预加热和电加热都停止；如果压缩机启动，则电加热停止。热泵运行一段时间后，当室内温度高于各设定值t11℃时依次停各压缩机。此外，室内温湿度还可根据实测值由热回收装置和加湿器进行加热控制和加湿调节。

◆ 企业名称：厦门泰尼电气有限公司

◆ 企业性质： 有限责任公司

◆ 主营业务：DCS,PLC

◆ 经营模式： 贸易

◆ 贸易地区： 全国

◆ ： 小廖女士）

◆ ：

◆

◆ :
◆ （备注“01008”收）

◆ ：  

◆ 邮政编码： 361026

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LOT OF 50 MERIDIAN M7310 PHONES NT8B20AF-35

ENERPAC PORTABLE HYDRAULIC POWER PACK PUMP 10,000 PSI P

FOR.A VPS-300 Video Production System WITH CONTROLLER

LAB-LINE 3528 ORBIT ENVIRONMENTAL SHAKER WORKING

 GAYMAR MEDI-THERM MTA-4700 HYPER/ HYPOTHERMIA UNIT

PHOTOMETRICS OPTIKON CEU1 CONTROL

 HELITORK SDH060A VALVE

Pharmacia Biotech ImageMaster VDS

BIO-RAD 3550 MICROPLATE READER VERY NICE

SQUARE D SY/MAX 8020-SCP722 SER.I PROCESSOR

BALDOR ADJUSTABLE SPEED DRIVE 0700009

MILLER BLUE CHARGER WELDER

DURST LABORATOR 1200 ENLARGER

DURST FEMOKIT ENLARGER NICE UNIT

BIO-RAD BIOLOGIC FRACTION COLLECTOR

NICE HP 1050 QUATERNARY PUMP 79852A HPLC

75  Swagelok Male Connectors 1/2 tube x 1/2 male pip

INDRAMAT TVM 1.2-50WO-115V POWER SUPPLY SERVO

SPECTRONIC GENESYS 2 SPECTROMETER

Bio Rad UV Chamber Ultra Violet Light Chamber

VALIDYNE MC1-10 CHASIS LOADED SG71 STRAIN GAUGE TC243 T

SHIMADZU RF5000U SPECTROFLUOROPHOTOMETER SYSTEM

CENTURY FOX CONDUIT BENDER CPI-60 VERY NICE RAM PUMP

CASTEX CONCORDE CARPET EXTRACTOR CLEANER

BARD 4 CHANNEL URODYNAMIC MONITOR W/MANUAL

METRON M30A-460B 30HP FIRE PUMP CONTROL

PILOT ORBITAL PIPE CUTTER 5612 SPLIT TYPE NICE

LARGE VARIAN ION PUMP EX9127016

UN LIMITORQUE 10MSJ-U POW-R VAC ACTUATOR

IIZUKA TUNGSTEN ELECTRODE SHARPENER IG-2

Pneutek Stand-Up Steel Decking Tool PT-2000

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BECKMAN JA-17 17,000 RPM CENTRIFUGE ROTOR WITH BIOSAFET

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ALLEN BRADLEY POWERFLEX 70 21AD011-AH-NP-H3-GP 7.5HP 48

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SHIMADZU LC-10T VP HPLC PUMP DAMAGED CORNER

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Olympus BH-2 BHTU Microscope

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CARL ZEISS 67434 MICROSCOPE Photomicroscope II

CTI CRYOGENICS HELIX COLD HEAD COMPRESSOR SC 8032224

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HP 8660D SYNTHESIZED SIGNAL GENERATOR 86631B AUXILIARY 

MINUTEMAN PAMS 2 SPEED HAKO M23000-06 115V BUFFER 20" N

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ALLIS CHALMERS INDUCTION MOTOR 75HP 230/460V

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HACH SIGMA 930 LONG TERM FLOW METER

MARKET FORGE GRILL M18HP WITH 2 OF THE 12X12" GRILLS

 ROBOTARM ACTUATOR CB525-SR80 3" PMB VALVE ACTUATOR

 FISHER 3" 07B-1 VALVE

 CRANE 10" FLANGED GATE VALVE

WORKING THERMO NAPCO 5831 VACUUM OVEN 12" DEEP 8" WIDE 

 LINCOLN GREASE PUMP 6WB20

 2" Fisher Type 99 Pressure Reducing Valve

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3.3除霜控制

冬季机组做热泵运行时，特别是当环境温度接近0℃或低于0℃时，机组将出现结霜状况。除霜时采用互锁控制，避免温度波动过大，即系统1进入除霜时，系统2不能同时进入除霜，系统3进入除霜时，系统4不能同时进入除霜；除霜时投必要的电加热。当机组进入制热工况后，低温低压的制冷剂进入翅片换热器，盘管温度不断下降，吸气温度也随着下降，当盘管温度下降到设定值时，并且除霜周期已到，plc控制四通换向阀换向进入除霜模式，同时停止冷凝风机，启动电加热器；当蒸发器盘管温度上升到设定值，或除霜执行时间到达设置的zui长除霜时间，四通阀换向，除霜结束，电加热停止运行，机组又进入制热工况，如此循环下去。