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Copyright © SANHUA 2019

Subject to change without notice

II-SEC61-EN-R2010

SEC series EEV Controller
Manual/Installation Instructions

Содержание SEC Series

Страница 1: ...Copyright SANHUA 2019 Subject to change without notice II SEC61 EN R2010 SEC series EEV Controller Manual Installation Instructions ...

Страница 2: ...istance allowing convenient operation by user 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 0 08mm 1 3 mm 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 vib...

Страница 3: ...24Vdc 10 10 SEC611 SEC612 Class II Power consumption Max 4W at 24Vdc Connection Pluggable terminal Screw M2 Min Max wire diameter 0 08 1 3 mm XHP terminal Input Pressure sensor Temperature sensor RUN signal Passive switch signal Output Relay output 30Vdc 5A EEV uni polar output Communication RS 485 Operation 30 55 o C Humidity 95 RH Storage 30 55 o C Humidity 95 RH Protection level IP20 3 17 ...

Страница 4: ...avoid moisture and dust b Sensors installation Pressure transmitter temperature sensor installed on the tube of evapora tor outlet If the system is divided into several eva porators install pressure transmitter temperature sensor at each evaporator outlet We recommend to install the temperature and pressure sensors within 0 5m from the evaporator to prevent ambient temperature and pressure drop in...

Страница 5: ...or close synchronously with the compressor close when using manual mode S W RS485 GND GND B TRX B A TRX A Auxiliary relay output AUX RLY N O Normally Open contact COM Common N C Normally Open contact XHP terminal Pressure sensor P SENS Vcc Power YCQB 5V RED YCQC 10 30Vdc S1 S1 YCQB 0 5 3 5V White YCQC 4 20mA GND GND YCQB GND Black YCQC N A Temp sensor T SENS S2 NTCSK B3970 GND EEV output EEV MOTOR...

Страница 6: ... the wiring 2 The RUN port compressor signal is a passive port If add a voltage it may cause the controller burn out 3 Ultracapacitor please series connected to the power supply wire Coming soon 4 If you use a transformer please ensure the minimum power is 15 VA for 1 controller 1 EEV 5 Min max wire diameter 0 2 1 3 mm 6 24Vdc or 24Vac for SEC611 24Vdc only for SEC612 6 17 ...

Страница 7: ...here are 4 DIP switches 2 3 used as a group for selecting EEV type 1 4 used as a group for selecting controller operating mode Default mode DIP SW2 OFF DIP SW3 OFF 1 2 phase 500 steps 30pps DIP SW2 OFF DIP SW3 ON 2phase 2000 steps 100PPS DIP SW2 ON DIP SW3 ON Custom mode set by parameter table 3 a EEV type selecting EEV total steps excitation speed and excitation mode is determined by the DIP SW2 ...

Страница 8: ...rectly controls the valve opening ratio DIP SW1 ON DIP SW4 ON Drive mode Use 4 20mA or 1 5Vanalog signal control DIP SW1 OFF DIP SW4 ON Hot gas bypass temperature control 1 ON 2 3 4 1 ON 2 3 4 1 ON 2 3 4 1 ON 2 3 4 Note 1 While using the manual drive mode keep the compressor RUN signal always ON 2 n drive mode external 4 20mA or 1 5V analog signal is input through the pressure sensor port b Contro...

Страница 9: ...larming Flickering at communication mode POWER Lighting at power up TX RX Flickering at communication a Screen introduction Use button can switch the display on screen among superheat pressure valve opening temperature current display is indicated by the cursor pointer b Buttons introduction Enter the parameter setting interface return parameter list Switch screen display parameters increase decre...

Страница 10: ...ress enter parameters table list 3 means parameters table1 press can select or switching parameter table 4 After selected parameters table press enter the table if you want to switch other parameter tables press return to the parameter table select list 5 In parameters table screen will directly display the parameter code press can switch the code in parameters table 6 When the screen displays the...

Страница 11: ... 17 R245FA 24 R454C 4 R407C 11 R448A 18 R23 25 R455A 5 R507 12 R449A 19 R407A 6 R1234ZE 13 R452A 20 R407F d Main parameter setting 1 Refrigerant selection Refrigerant data is in 2 Target superheat setting Target superheat is in 3 Start open ratio and duration time You can find it in Now 26 kinds refrigerants is available in controller as below If the target SH is too small may cause liquid hammer ...

Страница 12: ...smitter disconnected Lop LOP Low pressure alarm P5t Pressure transmitter short circuit HSH High superheat alarm toP Temperature sensor disconnected L5H Low superheat alarm t5t Temperature sensor short circuit FrE Low temperature freezing alarm Note StP is not alarm just reminding the compressor RUN signal is disconnected Alarm manual reset button is on side face of SEC EEV driver shell 12 17 ...

Страница 13: ...automatic return 2 manual return 0 40017 High SH alarm value HSH K 1 10 40 30 40018 High SH alarm delay time HSd Sec 1 1 600 3 40019 Clear high SH alarm HSF K 0 1 7 37 27 40021 Freeze prevention alarm mode Fr 0 No use 1 automatic return 2 manual return 0 40022 Freeze prevention alarm value FrE o C 1 40 40 0 40023 Freeze prevention alarm delay time Frd Sec 1 5 200 30 40024 Clear freeze prevention a...

Страница 14: ...66 Temp sensor offset correction tCr K 0 1 20 19 9 0 40069 Jerk control ratio JEy 0 1 0 1 100 100 40070 EEV open ratio upper limit oPH 1 0 100 100 40071 EEV open ratio lower limit oPL 1 0 100 0 40072 Sensor input filter time o 11 0 1 0 1 10 1 40073 EEV compulsory open ratio UCr 0 1 0 100 OFF 1 40076 Display mode d 1S 0 1 4 rotation 1 Superheat 2 Evaporator outlet pressure 3 Expansion valve open ra...

Страница 15: ...99 50 40044 Expansion valve open pulse EUo pulse 1 0 999 30 40045 EEV drive speed PPS EU5 10 0 10PPS 20 1 20PPS 30 2 30PPS 50 3 50PPS 80 4 80PPS 100 5 100PPS 200 6 200PPS 250 7 250PPS 500 8 500PPS 30 2 3 Parameters Table3 1 Parameter Table 3 is usually not use SANHUA standard EEV can directly set by the DIP SW If you want modify parameters table 3 please change DIP SW first See page 5 2 Because th...

Страница 16: ...tus Analog INT 16 Refer to below bit Bit0 Operation status of EEV Digital bit 0 OFF 1 ON Bit1 Aux relay output Digital bit 0 OFF 1 ON 40110 Alarm status Analog INT 16 Refer to below bit Bit0 Press sensor disconnection Digital bit 0 OFF 1 ON Bit1 Press sensor short circuit Digital bit 0 OFF 1 ON Bit2 Temp sensor disconnection Digital bit 0 OFF 1 ON Bit3 Temp sensor short circuit Digital bit 0 OFF 1...

Страница 17: ...Copyright SANHUA 2019 Subject to change without notice II SEC61 EN R2010 ...

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