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Electronic Expansion Valve Controller
EVC10B Series
USERS MANUAL
1.
Summary
: Basic specifications
Items
Description
Dimension
72(W)mm X 114(H)mm X 29(D)mm
Power supply
24 Vac +10%/ -15% , 50 / 60 Hz & 24 Vdc
MAX 4W at 24 Vdc
Power consumption
Display
FND, LED
Connection
Connector : SXH-0011-P0.6 (HOUSING : XHP)
1P Press. sensor input
Input
1P temp. sensor input
1P Digital input
1P relay output (250 Vac / 30 Vdc / 5 A)
Output
1P EEV(Unipolar) output
Temp. – 10 ~ 50 ℃, Humidity 90 %RH or less
Operation
Temp. – 20 ~ 60 ℃, Humidity 90 %RH or less
Storage
: Component
Product
DOTECH INC.
6F, JOONGANG-ILBO B/D, 30, Dongsan-ro, Danwon-gu,
Ansan-si, Gyeonggi-do, KOREA
www.dotech21.com
Manual
※ Cautions
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
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 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 described in the guarantee conditions provided by the manufacturer shall not be
responsible 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.
※ Features
- The most advanced algorithm of precise adaptive PID control over superheat
- Various valve open control modes: External signal input(4-20mA, 1-5V)
RS485 communication, User setup
- Quick-Safe to ensure prevention of low and high superheats and protect the
system under any conditions
- Hot gas bypass operation for precise control
- Compatible with various refrigerants
(R22, R134a, R404a, R407c, R410a, R717, R23)
- Smart-rail mount design
- Perfect tech support by a developer (DOTECH)
EVC10B was developed 100% by Dotech's own creative ideas and
technologies.
: Ordering guide
Model name
Description
EVC10B-00
Basic model
Electronic expansion valve controller + RS485
EVC10B-R4
Modbus Comm.
Electronic expansion valve controller – Basic model
EVC10B-T-00
(Only use temperature sensor only)
Electronic expansion valve controller + RS485
EVC10B-T-R4
(Only use temperature sensor only )
※ Temperature & Pressure sensor should be purchased separately.
-1-
2
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EVC10B R20140821