Carel EVD4, User Manual, Page: 20 / 48

20
ENGL
ISH
EVD
4
+030220227 - rel. 2.1 - 12.06.2008
Custom valve confi guration
Minimum steps
minimum control steps —
Maximum steps
maximum control steps
—
Closing steps
steps completed in total closing —
Opening extra steps
enable extra steps in opening
—
Closing extra steps
enable extra steps in closing —
Phase current
peak current per phase
—
Still current
current with the motor off —
Steprate
motor speed —
Duty cycle
motor duty cycle
—
EEV stand-by steps
number of valve standby steps, see standby steps —
S1 probe limits Min
‘zero’ scale for pressure sensor on input S1
„
S1 probe limits Max
end scale for pressure sensor on input S1
„
S2-Pt1000 calib.
calibration index for PT1000 sensor —
Alarms delay
Alarms delay Low SH
low superheat alarm delay
—
Alarms delay High SH
high superheat temperature alarm delay in CH mode —
Alarms delay LOP
low evaporation pressure (LOP) alarm delay
—
Alarms delay MOP
high evaporation pressure (MOP) alarm delay —
Alarms delay probe error
probe error alarm delay
—
Stand alone
enable StandAlone
—
AUTOSETUP
Parameter name Description
Re-install AUTOSETUP values
confi rm enable restore parameter default values
„
Circuit/EEV ratio
percentage of the maximum capacity managed by the valve in the circuit where it is installed
„
Compressor or unit
macroblock parameter that defi nes the integral time
„
Capacity control
macroblock parameter that defi nes the proportional factor
„
Evaporator Type Cool
macroblock parameter that defi nes the integral time
„
Heat
macroblock parameter that defi nes the integral time
„
Cool Mode temperature at minimum operating pressure (MOP) in CH mode
†
Heat Mode temperature at minimum operating pressure (LOP) in HP mode
†
Defr. Mode temperature at minimum operating pressure (LOP) in DF mode
†
MOP
Cool Mode temperature at maximum operating pressure (MOP) in CH mode
†
Standby steps temperature at maximum operating pressure (MOP) in HP mode
†
Defr. Mode temperature at maximum operating pressure (MOP) in DF mode
†
High SH alarm threshold
maximum superheat temperature
—
ADVANCED SETTINGS – FINE TUNING
Parameter name Description
CH-Circuit/EEV Ratio
percentage of the maximum capacity managed by the valve in the circuit where it is installed, in CH mode —
CH-Superheat set
superheat set point in CH mode
—
cool mode adjust CH-Proportional gain
PID proportional factor in CH mode —
CH-Integral time
integral time for superheat control in CH mode
—
CH-Low Superheat
low superheat value in CH mode —
heat mode adjust
HP-Circuit/EEV Ratio
percentage of the maximum capacity managed by the valve in the circuit where it is installed, in HP mode
—
HP-Superheat set
superheat set point in HP mode
—
HP-Proportional gain
PID proportional factor in HP mode —
HP-Integral time
integral time for superheat control in HP mode
—
HP-Low Superheat
low superheat value in HP mode —
defr. mode adjust
DF-Circuit/EEV Ratio
percentage of the maximum capacity managed by the valve in the circuit where it is installed, in DF mode
—
DF-Superheat set
superheat set point in DF mode —
DF-Proportional gain
PID proportional factor in DF mode
—
DF-Integral time
integral time for superheat control in DF mode —
DF-Low Superheat
low superheat value in DF mode
—
common list adjust
SHeat dead zone dead zone for PID control
Derivative time PID derivative time
Low SHeat int. time integral time for low superheat control
LOP integral time integral time for low evaporation pressure (LOP) control
MOP integral time integral time for high evaporation pressure (MOP) control
MOP startup delay MOP delay time
Hi TCond. protection maximum condensing temperature
Hi TCond. int. time integral time for high condensing pressure control (HiTcond)
Dynamic prop. gain attenuation coeffi cient with change in capacity
Blocked valve check time after which, in certain conditions, the valve is considered as being blocked
INPUT/OUTPUT group
Parameter name Descriprion
DriverX mode operating mode of the X-th driver, from pCO
EEV mode man. enable/disable manual valve positioning
EEV position calculated electronic expansion valve opening position
Power request cooling capacity, from pCO
RXXX refrigerant confi gured for the REFRIGERANT parameter
Superheat superheat value measured
Saturated temp. see Ev. probe sat. temp.
Suction temp. compressor suction temperature value measured
Evaporation probe Pressure evaporation pressure value measured
Saturated Temp. saturated gas temperature value calculated in the evaporator
Condensation
probe Pressure condensing pressure value measured, from pCO
Saturated temp saturated gas temperature value calculated in the condenser, calculated from dry on previous condensing pressure
Aux. probe value measured by the auxiliary probe set for the AUX. PROBE CONFIG. parameter
Act. SH set current superheat set point
EVD version H.W driver hardware version
EVD version S.W software version installed on the driver