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Multi Digital Temp Controller(FX3S SERIES)
PreCautions for Use
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 securely by a rack or panel.
3. This Product can be used under the following environmental conditions.
① Indoor ②Pollution Degree 2 ③At an Altitude of 2000m or below ④Installation Category Ⅱ
4. 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.
5. Please be understood that if this product is dismantled or modified discretionary after sales service
will not be able to be provided.
6. 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 above.(0.50mm )
7. In order to prevent it from an noise, please maintain the high-voltage wire and power wire
separated.
8. Please avoid installing the product in a place where a strong magnetism, noise, severe vibration and
impact exist.
9. When extending the sense wire, use a shield wire and do not extend it unnecessarily long.
10. The sensor wire and signal wire should be away from the power and load wires using conduits
separately installed.
11. 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).
12. Product's damages other than those described in the guarantee conditions provided by the
manufacturer shall not be responsible by us
※ The aforementioned precautions must be observed, and if you fail to do so, it may cause
a product's breakdown.
Basic Specification
Model
FX3S
MAX 4VA
Power
AC100-240 V ~, 50/60Hz
Current
MAX 4VA
Connector
Screw Bolt Connector(1.5mm Wire Use Possibility)
Input/output
Relay Output 1 Point (250Vac/16A)
Temp. Sensor Input 1 Point
Operation
Temp. -10~50℃, Humidity U n d e r 90%RH
Storage
Temp. -20~60℃, Humidity U n d e r 90%RH
Sensor
Dotech Standard NTC Sensor DPR-TH1
5kΩ at 25℃, Limit:-50 ~ 105℃, Accuracy:±0.3℃ at 25℃
Dotech Standard NTC Sensor DPR-TH2
10kΩ at 25℃, Limit:-50 ~ 150℃, Accuracy:±1.5℃ at 25℃
Order Information
FX3S - 00 : Basic Model
※ DPR-TH1-ET sensor is provided basically, and it is possible to purchase the required
seonsor separately.
Display Message
Present temperature and DEF message display by turns at natural defrost.
Simple Trouble Check Point
In case of error occurring, the following messages are flickering at every 0.5 sec. intervals.
In Case of change of set value by an unknown case.
In case of Input sensor open wire(Normal operation after sensor connecting)
In case of Input sensor short circuit
Lower sensor input than measuring range
Higher sensor input than measuring range
※
In case of the above-mentioned error, it will be normally operated with cancelling
error status if the reason of error is solved.
2
2
DOTECH,INC l http://www.dotech21.com
Connection Diagram
FX3S
16A, 250Vac
POWER
L1
L2
1 2
AC100-240 V ~
50/60Hz
ㅇ OUT : Cooling/Heating ON/OFF Output
ㅇ NTC : Temperature Sensor
Dimensions and Panel Cut-Out Form
8
70
Over
Constitution (Function of Display Lamp and Button)
FX3S
OUT1
Display fucntion
OUT
Turn on when output #1 is ON (Flickering at standby)
Display temp. value
ON at trip, Flickering at alarm
Operation Switchs
Use at program setup
Execute selected menu or
Input setup value
Initializing
setup value
Confirm
temp. sensor
6F, JOONGANG-ILBO 778 Wonsi-Dong, Danwon-Gu, Ansan-Si,
Gyeonggi-Do, Korea TEL : +82-31-495-3767 / FAX : +82-31-495-3917
COM
NTC
c
4 5 6
8 9
OUT
NTC
78
FX3S
OUT1
28
Over
Move between menus &
Increase setup value
Move between menus &
Decrease setup value
If pushing for 10 sec. at the same time ,
setup value is initialized
At the same time, it displays the 1st decimal
place for the current temp.
REV. 2009.06.04
35
Unit
1