15
ENGLISH
EVD
4
+030220227 - rel. 2.1 - 12.06.2008
Key:
= Main parameters required to start operation;
= Secondary parameters required for optimum operation;
— = Advanced parameters.
MANUFACTURER group
SYSTEM SET
Parameter name Description
EVD type
model of EVD used, from pCO
EVD probes type
number indicating the combination of sensors used to calculate the superheat
Valve type
number that defi nes the type of electronic valve used
Battery presence
enable valve not closed error, to be entered if the battery is present
Refrigerant
number indicating the type of refrigerant used
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 —
To Next Page
Loading...
Need help?
General
