地板送风空调系统

GEA Air Treatment Division GEA 空气处理系统部Officecool ：Under floor air conditioning Officecool: 地板送风空调系统

GEA Heat Exchangers

OFFICECOOL –最优秀办公楼空调系统

区域空调机组 Denco Zone Unit

•Available in 3 models, 1,2 & 3 fan modules

•Downflow / Top return, Downflow / Bottom return.

•Chilled water or direct expansion cooling.•LPHW, heat pump or electric heating •Proportional control humidification •40kW+ 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

10kW 20kW 30kW

LECU均匀布局区域空调机组放于办公室

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

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UFAC系统包含 UFAC Systems Coverage

•A description of the Under-floor Air •地板下送风空调系统发展历史简介

Conditioning System looking at the developments.

•Typical Installation options. •Fresh Air Input.

•The use of the System in high-rise buildings.

•Energy saving benefits. •Sustainability benefits

•The flexibility of the system. •Considerations for designers •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

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Ideal Comfort Conditions for

the Individual:

•Warm Feet.

•脚部温暖

•Cool Head

•头部凉快

•没有吹风感（风速不超过：0.2m/s) •No Draughts (Not Exceed 0.2 m/s)

•空气运动良好（避免闷热不通风的感觉，污染物稀释良好）•Good Air Movement (Avoid Stuffiness, Dilute Pollutants).

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空调系统部件 System Components

•Chillers. •冷水机组

•Pumps. •水泵

•Dry coolers. •干式冷却器

•Cooling Towers. •冷却塔

•Air Handling Units. •基本上与传统空调系统相同

Basically the same as •UFAC系统通过高架地板下的空间conventional air conditioning 形成送风箱，并将经过空调机处systems. 理过的空气送到工作区域

Underfloor Air Conditioning

distributes conditioned air to

the work space via the access

floor plenum. 10

气流路径比较：传统系统VS UFAC

Air flow path: Traditional VS UFAC

UFAC地板下送风空调系统传统空调系统11

热空气往上走概念 Thermal Lift

•Warm air always rises. •热空气总是向上走

•Constant battle with supply air being •所以，往上走的热空气总是与高位送出来

distributed via high level. 的空气进行争斗

•Conventional Systems Condition •传统空调系统对整个空调区域进行空气调

Whole Space. 节

•Higher Fresh Air Content. •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

•Underfloor Air Conditioning supplies

air in the same direction as Thermal •空调区域的人员所得到的是最优化控制的

Lift. 温度，还得到最高的新风量•Occupied Space receives air at •高于人员头顶的区域允许较高的温度

optimum temperature and highest

fresh air volume.

•Zone above head height is allowed to

rise in temperature.