Sanhua SEC60 Series Specification sheet

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II-SEC60x-EN-R1709! ! ! ! 1!/!12!
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Electronic!Expansion!Valve!Controller!
SEC60x!series!
Manual!/!Installation!Instructions!
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Features!
•!Advanced!PID!algorithm!to!ensure!accurate!automatic!adjustment!of!superheat;!
•!Applicable!for!various!refrigerants;!
•!Quick-Safe!prevention!of!low!and!high!superheat!to!ensure!the!system!operating!well!at!any!
conditions;!
•!Small!size,!rail!mounting!design,!easy!to!install;!
•!Energy!efficient,!achieving!the!most!efficient!use!of!the!evaporator.!
!!!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!conditions:!
●!Indoor! ! ●!Pollution!Degree!2! ! ●!At!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!use!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!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!20!or!above!(0.50mm²).!
7.!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)!
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II-SEC60x-EN-R1709! ! ! ! 2!/!12!
1. Basic!specification!
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Data!
Items!
Description!
Dimension!
72(W)mm!x!114(H)mm!x!29(D)mm!
Power!supply!
24Vac!+10%/-15%,!50/60Hz&24Vdc!
Power!consumption!
Max!4W!at!24Vdc!
Connection!
XHP!
Input!
Pressure!sensor!input!
Tem perature!sensor!input!
Digital!input!
Output!
Relay!output（30Vdc/5A）!
EEV(uni-polar)!output!
Operation!
Tem p.!-10~50oC,!Humidity≤90%RH!
Storage!
Tem p.!-20~60oC,!Humidity≤90%RH!
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Model!
P-Sensor!Type!
Description!
Application!
SEC601!
Voltage!
-00!for!Basic!model!
-R4!for!model!with!RS485!
communication!
A/C!&!HP!
SEC602!
Current!
SEC605!
Voltage!
Refrigeration!
SEC606!
Current!
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2.Related!products!
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Items!
Description!
Te mp . !
Sensor!
Sensor!type!
NTC!5KΩ!
Cable!
2!m!×0.5mm!
Protection!class!
IP!67!
Accuracy!
±0.3oC!(25oC)!
Measuring!range!
-50!~"50oC!
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Connection!
kit!
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Items!
Description!
Pressure!
Sensor!
Supply!Voltage!
YCQB:!5±0.25!Vdc!
YCQC:!10-30Vdc!
Output!
YCQB:!0.5~3.5!Vdc!
YCQC:!4-20mA!
Measure!range!
0~2MPa/-0.1~1.2MPa"
To tal !A c cura c y!
±0.8%!F. S. !
Protection! !
IP!67!
Connector!Type!
Solder
!1/4"!
Thread!7/16-20UNF!
Wiring!
YCQB:!black,!white,!red!
YCQC:!white,!red!
Pressure!sensor!to!be!purchased!separately!
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II-SEC60x-EN-R1709! ! ! ! 3!/!12!
Installation!instructions!for!sensors!
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Pressure!sensor!solder!
Pressure!sensor!thread!
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Installation!location!of!Pressure!Sensor!
Installation!location!ofTemperature!Sensor!
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lPosition!the!sensor!copper!pressure!inlet!in!the!
pressure!socket!present!on!the!refrigerant!pipe!
lBraze!the!sensor!using!specific!alloy!(SilFos!15)!
lDon’t!direct!the!torch!flame!to!the!sensor!
lRespect!the!maximum!allowed!temperature!
lConnect! the! pressure! sensor! with! thread!
connection!to!the!pressure!socket!directly!
lor! using! a! flexible! pipe! with! 7/16-20! UNF!
thread!(SAE!Flare!1/4”)!
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Size!
Torque!(Nm)!
Torque
（lbf.ft）!
M14!
12.7!~!16.7!9.3!~!12.2!
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lPlaced!two-thirds!of!the!riser!is!optimum,!not!more!than!
0.5mfrom!the!evaporator!
lIf!a! horizontal! pipe!is!the!only! option,!select!installation!
locationbased!on!pipe!diameter!as!the!picture!shows!
lUse!cable!ties!to!fix!the!bulb!with!pipe!
lUse! heat-insulating! material! to! wrap! the! temperature!
sensor!to!prevent!external!interference!
Pos.!A!
Pos.!B!
l
Placed!two-thirds!of!the!riser!is!optimum,!not!more!than!0.5mfrom!the!evaporator!
lIf!a!horizontal!pipe!is!the!only!option,!please!install!as!shown!in!the!illustration!
l(Pos.A)：Pressure!measurement!with!liquids,!The!tapping!point!should!be!at!the!side,!
near!the!bottom!of!the!pipe.!Do!not!measure!the!pressure!from!the!top!of!the!pipe!
(where!it!may!be!affected!by!airlocks)!or!the!bottom!(where!it!may!be!affected!by!
dirt)!
l(Pos.!B)：The!tapping!point!should!be!at!the!top!so!that!no!condensate!reaches!the!
sensor.!
Pipe!diameter：12!–!16!mm! !
!!!!!!!!!!!!!1/2!-!5/8!in.!
Pipe!diameter：18!–!22!mm!
!!!!!!!!!!!!!3/4!-!7/8!in.!
Pipe!diameter：25!–!35!mm!
!!!!!!!!!!!!!1!-!1!3/8!in.!

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II-SEC60x-EN-R1709! ! ! ! 4!/!12!
3. Installation!Notes!
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Dimensions!Scheme!
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Connections!
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NO.!
Function!
Description!
J1!
J1.1!
AC/DC!
24V!
Power!input!port!
(AC/DC!24V)!
+24V!Power!inputAC24V or DC24V+!
J1.2!
J1.3!
-24VPower!inputAC24V!or!DC24V-!
J1.4!
J2!
J2.1!
RUN!
RUN!signal!input!port!
SIG!Run!/!Stop!signal!input!
J2.2!
GND!Signal!common!
J3!
J3.1!
RS485!
RS485!comm.!Input/output!
port!
TRX+RS485 comm. TRX+(A)!
J3.2!
TRX-RS485 comm. TRX-(B)!
J4!
J4.1!
AUX-RLY!
Auxiliary!relay!output!port!
N.OAuxiliary relay - Normal Open contact!
J4.2!
COMAuxiliary relay - common!
J4.3!
N.CAuxiliary relay - Normal Close contact!
J5!
J5.1!
P-SENS!
Pressure!sensor!input!port!
Power: YCQB: +5V
(red) YCQC: 10-30Vdc!
J5.2!
S1 YCQB:!0.5-3.5V
(white)! ! YCQC: 4-20mA!
J5.3!
GND YCQB: GND
(black)! ! ! YCQC:!N/A!
J6!
J6.1!
T-SENS!
Tempe rature! sensor!i nput!po rt!
S2Temperature sensor!
J6.2!
GND Tem per atu re sen sor co mm on!
J7!
J7.1!
EEV!
EEV!output!port!
A EEV phase 1(A)!
J7.2!
BEEV phase 1(B)!
J7.3!
A#EEV phase 2(A#)!
J7.4!
B#EEV phase 2(B#)!
J7.5!
COM EEV common!
J7.6!
COM EEV common!

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II-SEC60x-EN-R1709! ! ! ! 5!/!12!
4. Operation!method!
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LED!and!operating!button!
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Parameter!setting!method!
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1)!Press!PRG!button!for!3s!to!setting!parameters,!select!right!password!then!press!SEL!button!into!the!
parameter!setting;(if!password!is!not!correct,!can!only!check!parameter,!but!can't!be!changed)!
2)!Use!UP/DOWN!button!move!to!the!right!menu!then!use!SEL!into!the!menu,!select!parameter!by!
pressing!SEL!button;!
3)!Change!the!parameter!value!by!UP/DOWN!button,!and!press!SEL!to!the!next!button;!
4)!Press!SEL!for!3s!to!save!the!parameters!and!exit!the!parameters!setting!mode.!
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Definition!
Description!
LED!
SH!
Display!superheat!
PRESS!
Display!pressure!
OPEN!
Display!valve!open!ratio!
TEMP!
Display!temperature!
oC!/bar!
Display!the!unit!of!temp./pressure!
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Lighting!when!alarming!
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Flickering!at!manual!mode!
POWER!
Lighting!at!power!up!
TX,RX!
Flickering!at!communication!
Button!
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Parameter!change!mode!
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Increase!or!upward!
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Decrease!or!downward!
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Select!and!save!
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II-SEC60x-EN-R1709! ! ! ! 6!/!12!
5. Settings!before!system!start!
When!the!electric!wires!have!been!connected!to!the!controller,!the!following!points!must!be!attended!
to!before!the!regulation!starts:!
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2)!Refrigerant!type!
Select!refrigerant!in!menu!2!RFY!parameter.!
40062!
Refrigerant!
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Currently!for!every!controller!8!kinds!of!refrigerants!
can!be!chosen：!
SEC601/SEC602:! !
22=R22,!410=R410A,!234=R1234ze,!34Y=R1234yf,!
290=R290,!404=R404A,!407=R407C,!134=R134a!
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SEC605/SEC606:!
404=R404A,!07A=!R407A,!07F=R407F,!
448=R448A/R449A,!290=R290,!452=R452A,!744=R744,!
134=R134a!
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3)!EEV!valve!type!
If!the!default!can't!match!your!request,!you!can!select!
the!right!parameter!in!menu3.!
40042!
Expansion!valve!excitation!type!
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40043!
Expansion!valve!total!pulse!
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40044!
Expansion!valve!open!pulse!
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40045!
EEV!drive!speed(PPS)!
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4)!Target!superheat!setting!
Set!the!target!superheat!of!your!system.!If!the!target!
superheat!value!is!too!small,!the!refrigerant!may!not!
evaporate! completely；
If!the! value! is! too! big,! the!
evaporator!has!low!energy! efficiency.! Please! set!the!
appropriate! target! superheat! value! according!to! the!
actual!system!requirements.!
40001!
Superheat!set!point!
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Default!6!
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5)!Start!open!ratio!and!duration!time!
If! RUN! switch! is! turned! on,! valve! will! be! opened! by!
start! open! ratio.! After! that! maintain! it! during! start!
open!ratio!duration!time!and!start!to!control.!
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6)!PID!parameter!adjustment!
According!to! the!actual!system!condition,!adjust!the!
PID!parameters!and!let!the!system!superheat!meet!to!
target!superheat.!
1)!DIP!SW!Setting!
Set!DIP!SW!switch!according!to!the!EEV!information!
and!control!method。!
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Default!mode!
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EEV!drive!mode
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Depends!on!DIP!SW2!and!3
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Control!method
（
Depends!on!DIP!SW1!and!4
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In!default!mode，all!DIP!SW!
is!OFF!
DIP!SW2:!OFF,!DIP!SW3:!OFF!
1-2!PH!excitation!
500!pulses,!30PPS!
For!SANHUA!T/S!series!
DIP!SW2:!OFF,!DIP!SW3:!ON!
2!PH!excitation!type,!
2000!pulses,!100PPS!
For!SANHUA!O!series!
DIP!SW2:!ON,!DIP!SW3:!ON!
drive!by!user!Input!at!
parameter!3!group!
DIP!SW1:!OFF,!DIP!SW4:!OFF!
-Superheat!control!
-Automatic!or!use!RS485!
DIP!SW1:!ON,!DIP!SW4:!ON!
-Drive!mode!
-BY! external! signal! from! J5!
DIP!SW1:!ON,!DIP!SW4:!OFF!
-Manual!operation!
-By!+/-button!
DIP!SW1:!OFF,!DIP!SW4:!ON!
-Temp.!control!
-!Precise!temp.!control!
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II-SEC60x-EN-R1709! ! ! ! 7!/!12!
6. Control!mode!
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1)!Superheat!control!(DIP!SW1:!OFF,!DIP!SW4:!OFF)!
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Application!parameters!
Function!
CODE!
Min.!
Max.!
Default!
Superheat!set-point!
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0.5!
30!
6!
Start!open!ratio!
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0!
100!
0!
Start!open!ratio!duration!time!
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0!
300!
0!
P:!Proportional!gain!
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0.1!
99.9!
3!
I:!Integral!time!
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0!
999!
20!
D:!Derivative!time!
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0!
999!
4!
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2)!Drive!function!(DIP!SW1:!ON,!DIP!SW4:!ON)!
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Change!operation!mode!to!drive!mode,!using!external!reference!signal!of!4-20mA!or!1-5V!to!drive!the!
EEV.!Now,!the!RUN!signal!should!be!ON!
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II-SEC60x-EN-R1709! ! ! ! 8!/!12!
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3)!Temperature!control!(Hot!gas!bypass)!(DIP!SW1:!OFF,!DIP!SW4:!ON)!
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It!will!be!used!when!controlling!temperature!of!control!object!accurately!by!adjusting!by-pass!amount!
of!hot!gas.!
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Application!parameters!
Function!
CODE!
Min.!
Max.!
Default!
Set!point!for!control!target!*!
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0.5!
30!
6!
Start!open!ratio!
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0!
100!
0!
Start!open!ratio!duration!time!
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0!
300!
0!
P:!Proportional!gain!
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0.1!
99.9!
3!
I:!Integral!time!
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0!
999!
20!
D:!Derivative!time!
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0!
999!
4!
*Parameter!will!be!changed!and!applied!from!superheat!set!point!to!temperature!set!point!of!control!
object.!
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4)!Manual!control!mode!(DIP!SW1:!ON,!DIP!SW4:!OFF)!
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Users!can!maintain!valve!open!ratio!arbitrarily.!Change!the!DIP!SW!switch!and!then!press!UP/DOWN!
button,!the!valve!will!change!the!open!ratio!as!the!screen!displayed.!
Now,!all!LED!on!the!left!side!will!be!flickering.!
Run!signal!should!be!ON!in!this!mode,!if!the!Run!signal!is!OFF,!EEV!will!be!closed!immediately.!
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II-SEC60x-EN-R1709! ! ! ! 9!/!12!
7.!Parameters!Table!
1) Menu!1=!1.PR!
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1)!Start!open!ratio!and!start!open!ratio!duration!time!
If!RUN!switch!is!turned!on,!valve!will!be!opened!by!start!open!ratio.!After!that!maintain!it!during!start!open!
ratio!duration!time!and!then!start!to!control.!
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2)!Detect!alarm!
If!pressure/temperature!less/more!than!alarm!value!and!maintain!more!than!the!delay!time,!the!controller!
will!alarm!and!respond.!(see!the!alarm!mode!introduction)!
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Add.!
Description!
Code!
Unit!
Step!
Min.!
Max.!
Default!
40001!
Superheat!set!point!
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K!
0.1!
0.5!
30!
6!
40003!
Start!open!ratio!
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%!
1!
0!
100!
0!
40004!
Start!open!ratio!duration!time!
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Sec!
1!
0!
600!
0!
40005!
P:!Proportional!gain!
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%!
0.1!
0.1!
99.9!
3!
40006!
I:!Integral!time!
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Sec!
1!
0!
999!
20!
40007!
D:!Derivative!time!
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Sec!
1!
0!
999!
4!
40008!
Low!SH!alarm!mode!
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0=No!use!!1=automatic!return! !2=manual!return!
1!
40009!
Low!SH!alarm!value!
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K!
0.1!
0.5!
30!
0.5!
40010!
Low!SH!alarm!delay!time!
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Sec!
1!
1!
300!
15!
40011!
Clear!low!SH!alarm!
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K!
0.1!
1!
30.5!
3!
40012!
MOP!alarm!mode!
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0=No!use!!1=automatic!return! !2=manual!return!
1!
40013!
MOP!alarm!pressure!
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bar!
0.1!
-1!
50!
9!
40014!
MOP!alarm!delay!time!
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Min!
1!
1!
15!
1!
40015!
Clear!MOP!alarm!
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bar!
0.1!
-1!
50!
8!
40016!
High!SH!alarm!mode!
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0=No!use!!1=automatic!return! !2=manual!return!
0!
40017!
High!SH!alarm!value!
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K!
1!
10!
40!
30!
40018!
High!SH!alarm!delay!time!
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Sec!
1!
1!
600!
3!
40019!
Clear!high!SH!alarm!
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K!
0.1!
7!
37!
27!
40021!
Freeze!prevention!alarm!mode!
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0=No!use!!1=automatic!return! !2=manual!return!
0!
40022!
Freeze!prevention!alarm!value!
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oC!
1!
-40!
40!
0!
40023!
Freeze!prevention!alarm!delay!time!
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Sec!
1!
5!
200!
30!
40024!
Clear!freeze!prevention!alarm!
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oC!
1!
-37!
43!
3!
40025!
Select!pump!down!function!and!
delay!time!
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Sec!
1!
0!
180!
-1(OFF)!
40026!
Pressure!set-point!for!stopping!
pump!down!
!
bar!
0.1!
-0.5!
18!
0.5!
40027!
Pressure!low!limit!alarm!mode!
!
0=No!use!!1=automatic!return! !2=manual!return!
0!
40028!
Pressure!low!limit!alarm!value!
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bar!
0.1!
-0.8!
17.7!
0!
40029!
Low!limit!pressure!alarm!delay!
time!
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Sec!
1!
5!
200!
5!
40030!
Clear!low!limit!pressure!alarm!
!
bar!
0.1!
-0.5!
18!
0.3!

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II-SEC60x-EN-R1709! ! ! ! 10!/!12!
2) Menu2=2.PR!
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Add.!
Description!
Code!
Unit!
Step!
Min.!
Max.!
Default!
40061!
Password!
!
/!
1!
0!
999!
5!
40062!
Refrigerant!(SEC601/SEC602)!
!
22=R22,!410=R410A,!234=R1234ze,!34Y=R1234yf,!
290=R290,!404=R404A,!407=R407C,!134=R134a!
22!
40062!
Refrigerant!(SEC605/SEC606)!
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404=R404A,!07A=!R407A,!07F=R407F,!448=R448A/R449A,!
290=R290,!452=R452A,!744=R744,!134=R134a!
404!
40063!
Pressure!sensor!MAX.!range!
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bar!
1!
0!
99!
12(SEC602/606)!
20(SEC601/605)!
40064!
Pressure!sensor!MIN.!range! !
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bar!
1!
-1!
99!
-
1(SEC602/606)0
(SEC601/605)!
40065!
Pressure!sensor!offset!correction!
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K!
0.1!
-9.9!
9.9!
0!
40066!
Temp.!sensor!offset!correction!
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K!
0.1!
-20!
19.9!
0!
40069!
Jerk!control!ratio!
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!
0.1!
0.1!
100!
100!
40070!
EEV!open!ratio!upper!limit!
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%!
1!
0!
100!
100!
40071!
EEV!open!ratio!lower!limit!
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%!
1!
0!
100!
0!
40072!
EEV!compulsory!open!ratio!
!
/!
0.1!
0.1!
10!
1!
40073!
Sensor!input!filter!time!
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%!
0.1!
0!
100!
OFF!(-1)!
40076!
Display!mode!
!
0=1~4!rotation!
1=!Superheat! !
2=Evaporator!outlet!pressure !
3=!Expansion!valve!open!ratio!
4=!Evaporator!outlet!temperature!
5=!Saturation!temperature!
1!
40077!
Run/stop!method!
!
0=!Always!run! !
1=!Digital!input! !
2=!Communication!Run!
1!
40078!
CommunicationID!setup!
!
/!
1!
1!
254!
1!
40079!
Communication!speed!setup!
!
48(0)=4800!96(1)=9600!192(2)=19200!384(3)=38400!
96!
1)!Jerk!control!ratio.!Limit!value!of!motor!speed!variation!(Jerk!Control)!
2)!Expansion!valve!compulsory!open!ratio.!
If!users!want!to!temporarily!control!expansion!valve!by!designated!open!ratio!while!controlling! normally.!
Default!value!before!shipment!is!OFF.!
!
3)!Menu3=3.PR!
Add.!
Description!
Code!
Unit!
Step!
Min.!
Max.!
Default!
40042!
Expansion!valve!excitation!type!
!
1-2=1-2!phase!excitation! !
2=2!phase!excitation!
1-2
40043!
Expansion!valve!total!pulse!
!
pulse!
1!
10!
999!
500!
40044!
Expansion!valve!open!pulse!
!
pulse!
1!
0!
999!
30!
40045!
EEV!drive!speed(PPS)!
!
10=10PPS!20=20PPS!30=30PPS!
50=50PPS!80=80PPS!100=100PPS!
200=200PPS!250=250PPS!500=500PPS!
30!
1)!Users!should!input!parameter!which!is!suitable!for!characteristic!of!EEV.!Improper!value!settings!may!