DOTECH FX3DH User Manual

Digital Humidity & Temp. Controller
FX3DH
User's Manual
DOTECH INC. 6F , JOONGANG-ILBO B/D, 30, Dongsan-ro, Danwon-gu, Ansan-si, Gyeonggi-do, KOREA
1. This product may cause an electric shock in handling. Please do not attempt to open it with power turned on.
2. This product should be installed in a place fixed secured by a rack or panel.
3. This product can be used under the following environmental condition. ① Indoor ② Pollution Degree 2 ③ At an altitude of 2000m or below

Cautions

4. Power input must be within the designated ranges.
5. To turn on or turn off power supply for this product, please the circuit breaker or switch of a standard product of IEC 60947-1 or IEC 60947-3 product
and install it within a close distance allowing convenient operation by user.
6. Please be understood that if this product is dismantled or modified discretionary, after sales service will not be able to be provided.
7 . An output wire to be used for this product should be inflammable grade FV1 (V-1 grade or above), the thickness of the wire should be AWG No. 20 or
2
above(0.50mm ).
8. In order to prevent it from an inductive noise, please maintain the high-voltage wire and power wire separated.
9. Please avoid installing the product in a place where a strong magnetism, noise, severe vibration and impact exist.
10. When extending the sensor wire, use a shield wire and do not extend it unnecessary long.
11. The sensor wire and signal wire should be away from the power and load wires using conduits separately installed.
12. Please avoid using the product near a device generating strong high frequency noise (high-frequency welding machine, high-frequency sewing
machine, high-frequency radiotelegraph, high capacity SCR controller)
13. Product's damages other than those decribed in the guarantee conditions provided by the manufacturer shall not be respoinsible by us.
14. If this unit is used to control machineries (Medical equipment, vehicle, train, airplane, combustion apparatus, entertainment, processing and
transportation equipment, elevator and various safety device etc.) enabling to effect on human or property, it is required to install fail-safe device.
※ The Aforementioned precautions must be observed, and if you fail to do so, it may cause a product's breakdown.
※ The specifications, dimensions, and etc. are subject to change for enhancement without a prior notice.

Ordering guide

FX3DH-00 Basic Model
FX3DH-A1 4~20mA Trans output model
FX3DH-R4 RS485 Comm. model
FX3DH-A1R4 4~20mA Trans output & RS485 Comm. model

Components

Product
User's Manual
Bracket 2ea User's Manual
- Humidification(Heating)
/Dehumidification(Cooling) Output
- Switching Display of Temperature and Humidity
- High/Low Limit Alarm

- Sensor Calibration

- Sensor Error Detection and On/Off Output Control
- Minimum On/Off Duration Time
- Manual Relay Control
- Analog Signal Output(4-20mA)
- Communication via RS485 MODBUS

Technical Specifications

Power 100–240Vac, 50/60Hz
Current MAX 6 VA
Connection Screw Bolt Connector(1.5mm
Output Relay Output 2 Point (250Vac / 5A)
Humidity 1 Point (HTX20-FTS-502, HTX3515)
Input
Temp. 1 Point (DPR-TH01-ET)
Dimensions 78(W)mm X 35(H)mm X 78(D)mm
Operation Temperature: -10 ~ 50°C, Humidity: Below 90%RH
Storage Temperature: -20 ~ 60°C, Humidity: Below 90%RH
※ Specifications are subject to change without prior notice.
- 1 -
ZH2014-11003
2
Wire Use Possibility)
R20160613