地板送风空调系统.
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1、GEA Heat ExchangersOfficecool ： Under floor air conditioningOfficecool: 地板送风空调系统GEA Air Treatment DivisionGEA 空气处理系统部1 OFFICECOOL 最优秀办公楼空调系统节能Energy efficiency低投资Low investment低运行费用Low running cost高度灵活Highly flexible降低办公楼层高Reduce building height by 10%个性化Personality分期投资Investment in stages系统简单Simple
2、 system维护方便Easy maintenance舒适度高More Comfortable2Zone UnitRaised Floor 250 - 300 mmFan Tile or LECUDenco Officecool System 3区域空调机组区域空调机组高架地板高架地板250 - 300 mm风机地板砖风机地板砖(或或 LECU)Denco Officecool 系统410kW 20kW30kW区域空调机组 Denco Zone UnitAvailable in 3 models, 1,2 & 3 fan modules Downflow / Top return, D
3、ownflow / Bottom return.Chilled water or direct expansion cooling.LPHW, heat pump or electric heatingProportional control humidification40kW+ Now Available!3种型号, 分别有1,2 & 3 风机模块 下送风/顶回风, 下送风/下回风冷水制冷或直接膨胀制冷 LPHW(低压热水加热），热泵加热或电加热比例控制加湿也可提供40kW的机组5典型办公楼布局 Typical Flexible Office layout (1)LECU均匀布局区
4、域空调机组放于办公室6典型办公楼布局 Typical Flexible Office layout (2)根据需要，很方便地将热负荷低的LECU移动到热负荷高的地方7UFAC系统包含 UFAC Systems Coverage A description of the Under-floor Air Conditioning System looking at the developments. Typical Installation options. Fresh Air Input. The use of the System in high-rise buildings. Energy
5、saving benefits. Sustainability benefits The flexibility of the system. Considerations for designers 地板下送风空调系统发展历史简介 可供选择的典型安装 新风处理和输入 在高层建筑中的使用 节能效益 可持续发展方面的收益 系统的灵活性 系统设计过程的主要考虑因素8办公楼空调系统-目的Office Air Conditioning - Aims办公室人员的理想舒适条件 脚部温暖 头部凉快 没有吹风感（风速不超过：0.2m/s) 空气运动良好（避免闷热不通风的感觉，污染物稀释良好）Ideal Com
6、fort Conditions for the Individual: Warm Feet. Cool Head No Draughts (Not Exceed 0.2 m/s) Good Air Movement (Avoid Stuffiness, Dilute Pollutants).9空调系统部件 System Components Chillers. Pumps. Dry coolers. Cooling Towers. Air Handling Units.Basically the same as conventional air conditioning systems.Und
7、erfloor Air Conditioning distributes conditioned air to the work space via the access floor plenum. 冷水机组 水泵 干式冷却器 冷却塔 基本上与传统空调系统相同 UFAC系统通过高架地板下的空间形成送风箱，并将经过空调机处理过的空气送到工作区域10气流路径比较：传统系统VS UFACAir flow path: Traditional VS UFAC11UFAC地板下送风空调系统传统空调系统热空气往上走概念 Thermal Lift Warm air always rises. Constant
8、 battle with supply air being distributed via high level. Conventional Systems Condition Whole Space. Higher Fresh Air Content. Underfloor Air Conditioning supplies air in the same direction as Thermal Lift. Occupied Space receives air at optimum temperature and highest fresh air volume. Zone above
9、head height is allowed to rise in temperature. 热空气总是向上走 所以，往上走的热空气总是与高位送出来的空气进行争斗 传统空调系统对整个空调区域进行空气调节 需要更多的新风量 地板下空调系统的送风方向与空气自然流动的方向相同 空调区域的人员所得到的是最优化控制的温度，还得到最高的新风量 高于人员头顶的区域允许较高的温度12地板下送风系统&风机模块Traditional UFAC and Fan tile13不带格栅的风机模块Fan Tile, grilles removed带送回风格栅的风机模块Fan Tile, supply &
10、recirculation grilles地板空气散流器 Floor diffusers地板风出风口 Floor outletsFloor Outlets: Floor Diffusers. Pressurised Floor Plenum. Fan Assisted Distribution. Low Pressure Plenum. Floor Diffusers require highly sealed floor plenum. Floor Diffusers require high supply air temperature. Fan Assisted does not req
11、uire such highly sealed plenum. Fan Assisted can work with lower supply air temperature. 地板出风口 地板散流器出风：加压地板风帽 风机辅助送风：低压地板风帽 地板散流器送风要求地板风帽有较高的密封性 地板散流器送风也要求较高的送风温度 风机辅助送风对地板密封性要求不高 风机辅助送风可以使用较低的送风温度14典型地板下送风空调系统Typical Under-floor System15Typical Under-floor SystemWith mechanical floor serving floors
