EHT Electronic Hygrostat
EHT
电子湿控器
•
产品设置为常开
-
除湿模式。(常闭模式需要特别订制。)
•
机组提供了一
个额外的干接点，可用于切换一个独立的负载
或作为一个PLC信息反馈。
•
产品应安装在符合EN60715标准的DIN导轨上，请参照第6节的
安装和拆卸方法。
•
对于未在设计应用范围内的其他应用，须参照相关的安全标准。
•
产品的电路连接是根据第8节的连接图。
•
产品用于安装在符合其所需要安全等级的机柜内部（比如开关
机柜）。
•
适用于污染等级2的环境条件。
•
The unit is set to operate in NO - Dehumidifying mode. (NC version is
avaliable by special order.)
• The controller provides an extra dry contact which can be us
ed to either
switch an independent load or act as a feedback contact for
PLC.
• The device is to be installed on a DIN EN 60715 compliant st
andard rail,
please refer to section 6 for mounting and demounting.
•
For applications not to be foreseen by the manufacturer of this device,
relevant safety standards should be follo
w
ed and adhered to.
•
Electrical connection of the devices are to be made in accordance
w
ith
connection diagrams as shown in section 8.
• This device is intended for installation in an enclosure that complies with
the protection class admitted for this purpose, such as a s
w
itch cabinet.
• Suitable for environmental conditions of pollution degree 2.
Contact :
Rated Voltage :
Switching Difference :
Max Switching Capacity
(Relay Output) :
Control Range :
Sensing element :
Connection Terminals :
Service Life :
Operating / Storage Temperature :
Degree of protection :
Protection Class:
Weight :
Housing :
Marking :
V
ersion I086A-Manual_v1
2. Safety Information
4. Technical Data
4.技术参数
• The control should only be installed by qualified technician
sin accordance
with the respective national electrical codes.
• Safety and protection against incidental contact is to be en
sured
through proper installation.
• The technical specifications (voltage and current) as stated
on the
product must not be exceeded!
• The company charged with the installation of the device must
instruct
the user of the control system into its functions and in how
to
operate it correctly. These operating instructions must be k
ept at a
place that can be accessed freely by the operating and/or servicing
personnel in charge.
EHT Electronic Hygrostat
EHT
-2-220A - Normally open (dehumidifying) with frost protection
1. Application
Electrical controller for drying and providing frost protection in outdoor
enclosures.This electronic hygrostat is a fully electronic humidity sensing
s
w
itch
w
ith adjustable s
w
itchpoint setting bet
w
een
15
% - 9
0
% RH in
increments of
5
% RH
. If humidity exceeds a set leve
l or temperature drops
lo
w
er than 4°C, controller
w
ill s
w
itch anti-condensation device.
3. Installation Guidelines
2
NO (dehumidifying)
100
-
270
V
A
C
~
5
% RH
8A @ 240/120
V
A
C resist
8A @ 240/120
V
A
C
抗性
15
- 9
0
%RH,
20
- 9
5
%RH
Electronic
0.5 ... 2.5 mm², terminal screws
> 50,000 cycles
0 ... 60°C / -20 ... 70°C
0 ... 60°C / -20 ... 70°C
IP20
0
(protection class must be guaranteed
by installation location)
Approx 70g
Plastic
CE
2.安全信息
1.应用
EHT
电子湿控器
EHT
-2-220A
- 常开式
(
除湿)，有防冻保护
本电子湿控器为户外机柜提供湿度控制及防冻保护。本电
子湿控器是一个全电子湿度感应开关，它的设定范围在
15％-90％RH之间，每级增量为5％RH。
如果湿度超过设定
的水平或温度低于
4°C
，控制器将切换防结霜装置。
接触:
额定电压:
开关湿度差:
开关电流
(繼電器輸出):
控制范围:
感应器:
连接方式:
使用寿命:
工作/储存温度:
外壳防护等级:
防触电保护等级:
重量:
外壳:
标示:
3.安装指南
2 NO
(
除湿
)
100
-
270
V
A
C
~
5
% RH
15 -90% RH, 20 -95% RH
电子
0.5 ... 2.5mm²,
螺丝紧固
> 50,000
周期
IP20
0 (由安装位置保证防护等级)
约70克
塑料
CE
•
只有合格的技术人员才可以按照各自的国家电气规范为产
品进行安装作业。
•
通过正确的安装才能确保对偶然接触的安全性和保护。
•
不得超过产品上标示的电压和电流规格!
•
负责安装的公司有责任向使用者说明产品的功能和使用方
法。操作指引必须被保存并方便操作和维护人员随时取
阅。
Types
GB
CH
类型