Emerson EC3-D72 Instruction Sheet

3
Factory Field
Code Parameter description and choices Min Max setting setting
L2 Output logic 0 3 1
0: Alarm & pump down. = normal; 1: Alarm = inverse, pump down. = normal
2: Alarm = normal, pump down. = inverse; 3: Alarm & pump down. = inverse
b1 Battery error management, 0 3 2 *
when battery is defective, see below:
Reset possibility after
Value Alarm display Alarm relay Valve recovery/replacement
 0 - - Regulating -
 1 Ab - Regulating -
 2 Ab Signalling Fullyclose Auto
 3 Ab(blinking) Signalling Fullyclose Manual
WARNING: 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.
Factory Field
Code Parameter description and choices Min Max setting setting
/6 Show decimal point; 0=yes, 1 = no 0 1 0
A6 Maximumdischargetemperature;°F 212 284 266
A7 Discharge temp. alarm delay; sec. 0 199 30
F2 Minimumcapacity;% 10 100 10
F3 Maximumcapacity;% 10 100 100
F6 ScrollValve,PWMcycletime;sec. 10 20 20
t3 Monitor discharge temperature sensor 0 1 0
0 = no, 1 = Yes
ru 0-10Vinputltering;0=off,1=on 0 1
* Min. and Max. setting values are dependent upon selected type of refrigerant.
LIST OF PARAMETERS IN SCROLLING SEQUENCE BY PRESSING BUTTON
Factory Field
Code Parameter description and choices Min Max setting setting
H5 Password 1 199 12
u0 System refrigerant 0 7 4
 0=R22;1=R134a;2=R507;3=R404A;4=R407C;
 5=R410A;6=R124;7=R744(subcriticalapplication)
uP Installed pressure sensor type 0 2 0
 0=PT5-07M(forR22/R134a/R507/R404A/R407C/R124)
 1=PT5-18M(forR410A)
 2=PT5-30M(forR744,subcritical)
ut Installed valve type 1 3 2
1 = EX4; 2 = EX5; 3 = EX6
uu Startvalveopening(%) 10 100 50
u9 Start opening duration (second) 1 30 5
uL Low superheat alarm function 0 2 1
 0=disable(forooded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(°F)
If uL enabled (auto or manual) 5.4 54 10.8
If uL disabled 0.9 54 10.8
u2 MOP function 0 1 1
0 = disable 1 = enable
u3 MOPset-point(°F) saturation temperature * * X
 Factorysettingisaccordingtoselectedrefrigerant(u0):
 +55°FforR22;+59°FforR134a:+45°FforR507
 +45°FforR404A;+59°FforR407C;+59°FforR410A
 +122°FforR124;+23°FforR744
┌┘5 Unitsconversion 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(°F);1=Measuredevaporatorpressure(psig)
 2=Valveopening(%);3=Measuredcoil-outtemp.(°F)
 4=Calculatedevaporatingtemperature(°F)fromthepressure
 5=Compressorcapacityin%
u4 Superheat control mode 0 1 0
0 = Standard, 1 = Slow
uH High superheat alarm function 0 1 0
0 = disable, 1 = enable auto reset
uA High superheat alarm setpoint 16 40 30
ud High superheat alarm delay, min. 1 15 3
P2 Freezeprotectioncut-out,°F -40 104 -32
P3 Freezeprotectioncut-in,°F -35 109 37
P4 Freezeprotectionalarmfunction 0 2 0
0 = disable, 1 = enable auto-reset,
2 = enable manual reset
P5 Freezeprotectionalarmdelay,sec. 5 199 30
P6 Pump-down function
0 = disable, 1 = enable auto-reset 0 1 0
P7 Pump-down cut-out, psig -7.3 261.1 7.2
P8 Pump-down time delay, sec. 0 199 30
P9 Low pressure alarm function 0 2 0
0 = disable, 1 = enable auto-reset, 2 = enable manual reset
PA Low pressure alarm cut-out, psig -11.6 256.7 0
Pb Low pressure alarm delay, sec. 5 199 5
Pd Low pressure alarm cut-in, psig -7.3 261.1 4.3
LIST OF PARAMETERS IN SCROLLING SEQUENCE BY PRESSING BUTTON
SPECIAL FUNCTIONS
SpecialFunctionscanbeactivatedby:
• Pressandtogetherformorethan5seconds.
 Aashing0isdisplayed.
• Pressoruntilthepasswordisdisplayed(default=12).
If password was changed, select the new password.
• PressSELtoconrmpassword
 A0isdisplayedandtheSpecialFunctionmodeisactivated.
• Pressortoselectthefunction.Thenumberofspecialfunctionsis
dynamic and controller dependent. See list below.
 0:Resetcontrollertofactorysettings(thisactionispossibleonlywhen
digital input is 0V i.e. open)
1: Displays the current TCP/IP address
2: Assign temporary 192.168.1.101 as TCP/IP address if EC3-D72 has
different address
• PressSEL to activate the function without leaving the special function
mode.
• PressPRG to activate the function and leave the special function mode.
Control (Valve)
Start-Up Behavior
(Parameter uu and u9)
PUMP DOWN FUNCTION (IFP6=1ANDL2=1)
Cooling Alarm
DemandStatus Condition PumpDownRelay
24V (ON) NO Activate
 0V(OFF) NO Deactivatewhenpressuredropsbelow
P7 and after elapsed time P8
0V or 24V YES Deactivate instantaneously
START-UP
Start the system and check the superheat and operating conditions. The
EC3-D72 is fully functional without connected PC or keypad/display unit.
ECD-002.
MOUNTING OF ECD-002
ECD-002 can be installed at any time also during operation.
• ECD-002canbemountedin
panels with 2.8 x 1.1 inch cutout
• Pushcontrollerintopanelcut-out.(1)
• Makesurethatmountinglugsare
 ushwithoutsideofcontrollerhousing
• InsertAllenkeyintofrontpanelholesandturn
clockwise. Mounting lugs will turn and gradually
move towards panel (2)
• TurnAllenkeyuntilmountinglug
barely touches panel. Then move
other mounting lug to the same
position (3)
• Tightenbothsidesverycarefullyuntilkeypadissecured.
Do not over tighten as mounting lugs will break easily.

Emerson EC3-D72 Specifications

General

Brand	Emerson
Model	EC3-D72
Category	Controller
Language	English