DOTECH FX32EV Руководство

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Electronic expansion valve control unit

PreCaution 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 secured by a rack or panel.

3. This product can be used under the following environmental condition

① Indoor ②Pollution Degree 2 ③At an altitude of 2000m or below ④Installation CategoryⅡ

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. (0.50㎟)

7. In order to prevent it from an inductive 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 sensor wire, use a shield wire and do not extend it unnecessary 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 DECRIBED IN THE GUARANTEE CONDITIONS PROVIDED

BY THE MANUFACTURER SHALL NOT BE RESPOINSIBLE BY US.

Please use this product after attaching double or more safety device without fail if you use this product for

control of equipment which have a big effect on human life or on property (e.g.:nuclear control, medical

instrument, vehicle, railroad, aviation, combustion apparatus, amusement equipment, safety device, etc.)

Basic Specification

FX32EV

Model

Power

AC100 - 240V ~ , 50/60Hz (MAX 4VA)

Control Mode

Electronic expansion valve control unit using PID control algorithm

Connection

screw bolt terminal block (1.5mm wire available)

Terminal

SSR output 1 point (expansion valve on/off), Relay output 1 point (alarm port)

Input/

Pt1000Ω temp. sensor 1 point, 4~20mA

Output

pressure sensor input 1 point (built-in sensor loop power)

Operation

Temp. -10~50℃ (when no dew condensation)

Storage

Temp. -20~60℃, Humidity Under 90%RH

Sensor

Temp. sensor (DPR-PT1K-P6D50L,-100~100'C)

Pressure sensor (-1~9bar or 0~30bar)

Display

Indication is possible in 0.1℃ unit between -19.9 and 99.9.

outside of that range, in 1℃

Order Information

FX32EV - 00 :

Basic model

RS-485 communication function model (MODBUS RTU MODE)

FX32EV - R4 :

(※ communication cable is included)

RS-232 communication function model (MODBUS RTU MODE)

FX32EV - R2 :

(※ communication cable is included)

Pressure transmission output function model or

FX32EV - A1 :

For 4~20mA type electronic expansion valve

Accessory

Suction Pressure Sensor : DP506

Pressure measure range : -1~9bar, 0~30bar, 0~16bar

Operating temperature : -40 ~ 125℃

Accuracy : ±0.5% FS

Protection level : IP67

Signal output : 4~20mA (2 Wire)

Temperature Sensor : DPR-PT1K-P6D50L*3m

Sensor type : Pt1000Ω

Measurement range : -100 ~ 100℃

Accuracy : ±0.3℃

Probe : Dia.6, 50mm,SUS304

Protection level : IP67

Cable : 2C X 0.5mm, Stainless mesh shield teflon cable

FX32EV

DOTECH,INC l http://www.dotech21.com

[email protected]

Dimensions and Panel Cut-Out Form

Connection Diagram

FX32EV

Alarm

EVout

1 2

AC100 - 240 V ~

50/60Hz

Option

RS-485 COMM.

RS-232 COMM.

OPTION MODULE

TRX

Constitution

FX32EV

Indicator Lamp

Lighting when expansion valve is on

The degree of superheat

Temperature

Pressure

bar

℃ : Temperature, bar : Pressure

Lighting when trip, flickering when alarm

Operation Button

Program setup

Push twice successively and

rst

quickly when clearing alarm

of manual return type

Execution of options or

input of setup value

Initialization of Setup Values

rst

If pushing for 10 sec. at the same time, setup values are initialized

6F, JOONGANG-ILBO 778 Wonsi-Dong, Danwon-Gu, Ansan-Si,

Gyeonggi-Do, Korea TEL : +82-31-495-3767 / FAX : +82-31-495-3917

REV. 2010. 5. 3

(unit : mm)

FX32EV

reset

※ Panel Cut-Out Form : 71 X 29 mm

ID1 Pt1k COM 4~20mA +V

9 10 11

start

temp

pressure

4~20mA Output

OPTION MODULE

RXD

4~20mA

TXD

4~20mA

GND

reset

bar

Move between menus &

Increase of setup value

Confirmation of valve control

output (during pushing button)

Menu movement or

decrease of setup value