Operating instruction
EC3-X33 Superheat Controller and ECD-002
Keypad / Display Unit
Emerson Climate Technologies GmbH
Am Borsigturm 31 I 13507 Berlin I Germany
Date: 03.04.2017
EC3-X33_OI_ML_R12_865009.docx
E C D - 0 0 2 d i s p l a y / k e y p a d u n i t : ( L E D s a n d b u t t o n f u n c t i o n s )
S e t u p o f m a i n p a r a m e t e r s u s i n g E C D - 0 0 2 :
(need to be checked/modified before start-up)
•
Make sure that digital input is 0V (open). Turn the power supply ON.
•
Important:
Three main parameters i.e. refrigerant type (u0), pressure sensor type
(uP) and valve type (ut) can be set only when digital input is open (0V) while the
power supply is ON (24 V). This feature is for added safety to prevent accidental
damage of compressors and other system components.
•
For easy setting of main parameters, follow the pictorial procedure of
“Quick
start-up”
on the attached individual paper.
•
Once the main parameters have been selected/saved the EC3 is ready for
startup. All other parameters can be modified at any time during operation
or standby if it is necessary.
P r o c e d u r e f o r p a r a m e t e r s m o d i f i c a t i o n u s i n g E C D - 0 0 2 :
•
The parameters can be accessed via the 4-button keypad. The configuration
parameters are protected by a numerical password. The default password is “12”.
To select the parameter configuration:
•
Press the
PRG
button for more than 5 seconds. A flashing “0” is displayed
•
Press
or
until “12” is displayed; (password)
•
Press
SEL
to confirm password
•
Press
or
to show the code of the parameter that has to be changed;
•
Press
SEL
to display the selected parameter value;
•
Press
or
to increase or decrease the value;
•
Press
SEL
to temporarily confirm the new value and display its code;
•
Repeat the procedure from the beginning "press
or
to show..."
•
To exit and save the new settings
: Press
PRG
to confirm the new values and
exit the parameters modification procedure.
•
To exit without modifying any parameters:
Do not press any button for at least
60 seconds (TIME OUT).
R e s e t a l l p a r a m e t e r s t o f a c t o r y s e t t i n g :
•
Make sure that digital input is 0V (open).
•
Press
and
together for more than 5 seconds. A flashing “0” is displayed.
•
Press
or
until the password is displayed (Factory setting = 12).
If password was changed, select the new password.
•
Press
SEL
to confirm password
“0” is displayed.
•
Press
SEL
to reset all parameters to factory setting
•
Press
PRG
to activate the function and leave the special function mode.
C o n t r o l ( v a l v e ) s t a r t - u p b e h a v i o r : ( P a r a m e t e r u u a n d u 9 )
EX4/5/6
≤ 1.5 seconds
EX7
≤ 3.2 seconds
EX8
≤ 7.2 seconds
FX5-8
≤ 7.3 seconds
FX9
≤ 9.7 seconds
M a i n p a r a m e t e r s :
(must be checked and modified if necessary)
Code
Parameter description and choices
Min
Max
Factory
setting
Field
setting
H5 Password
1
199
12
u0 System refrigerant
0
16
1
0 = R22 1 = R134a
2 = R507 3 = R404A
4 = R407C
5 = R410A
6 = R124 7 = R744 (subcritical application)
8 = R407A
9 = R407F
10 = R32*
11 = R448A
12 = R449A
13 = R450A
14 = R513A
15 = R1234ze
uP Installed pressure sensor type
0
3
0
0 = PT5-07x (for R22 / R134a / R507 / R404A / R407A / R407C /
R407F / R124 / R448A /R449A / R450A / R513A /
R1234ze)
1 = PT5-18x (for R410A/ R32)
2 = PT5-30x (for R410A / R744 / R32)
3 = PT5-50x (for R744)
ut
Installed valve type
1
12
5
1 = EX4
2 = EX5
3 = EX6
4 = EX7
5 = EX8
6 = FX5
7 = FX6
8 = FX6.5
9 = FX7
10 = FX7.5
11 = FX8
12=FX9
O p t i o n a l p a r a m e t e r s :
(recommended factory setting for majority of applications)
Code
Parameter description and choices
Min
Max
Factory
setting
Field
setting
uu Start valve opening (%)
0
100
50
u9 Start opening duration (second)
0
120
5
uL Low superheat alarm function
0
2
1
0 = disable (for flooded evaporator)
1 = enable auto reset
2 = enable manual reset
Cut-out at 0.5K (if it maintains 1 min.); Cut-in immediately at 3K
u5 Superheat set-point (K)
If uL enabled (auto or manual)
If uL disabled
3
0.5
30
30
6
6
u2 MOP function
0
1
1
0 = disable 1 = enable
u3 MOP set-point (°C) saturation temperature
*
*
**
**) Factory setting is according to selected refrigerant (u0):
+13°C - R22
+15°C - R134a
+7°C - R507
+7°C - R404A
+15°C - R407C
+15°C - R410A
+50°C - R124
-5°C - R744
+10°C - R407A
+10°C - R407F
+10°C - R32
+12°C - R448A
+12°C - R449A
+19°C - R450A
+13°C - R513A
+24°C - R1234ze
*) Min. and Max. setting values are dependant to selected type of
refrigerant
┌┘
5 Units conversion (only for u3, u5,
┌┘
1)
0
1
0
0 = °C, K, bar 1 = °F, R, psig
(Psig values are divided by 10. Example: Display 12.5 is 125 psig)
┌┘
1 Value to show
0
4
0
0 = Measured superheat (K) 1 = Measured evaporating pressure, (bar);
2 = Valve opening (%)
3 = Measured coil-out temperature (°C)
4 = Calculated evaporating temperature (°C) from the pressure
u4 Superheat control mode
0 = Standard,
1 = Slow
2 = intermediate control
0
2
0
b1 Battery error management, when battery is
defective, see below
0
3
2
value
Alarm
display
Alarm relay
Valve
Reset possibility after
recovery/replacement
0
-
-
Regulating
-
1
Ab
-
Regulating
-
2
Ab
Signalling
Fully close
Auto
3
Ab
(blinking)
Signalling
Fully close
Manual
When setting b1 to option 0 or 1, the user must ensure appropriate
safety precautions are in place to protect the system against damage
caused by a power failure.
uF Control range valve %
5
100 100
*) Notes for R32
: R32 is classified as low flammable refrigerant in Europe. EC3-
X33 is designed under consideration of European safety standards and directives
for none flammable refrigerants. The use of EC3-X33 with R32 is for
systems/regions which it does not require consideration of additional safety
standards as for flammable refrigerant.
After selecting the parameters the EC3-X33 is fully functional without
keypad/display unit. ECD-002 may be removed or connected at any time.
!
Blinking:
valve is closing
ON:
valve is fully close
Blinking:
valve is opening
ON:
valve is fully open
ON
: demand
OFF
: no demand
ON
: alarm
OFF
: no alarm
Parameters setting/saving
Selecting/confirming
Next parameter/
value (higher)
Next parameter/
value (lower)
Prg&Sel (5 sec)
Manual reset for
blinking alarm codes
Sec.
uu
u9
%
E
C
3-
X
3 B
A
.c
dr
