
21
ENGL
ISH
EVD
4
+030220227 - rel. 2.1 - 12.06.2008
MAINTENANCE group
Parameter name
Description
Manual mng.
driver ‘X’
EEV Mode
electronic expansion valve control mode, read EEV mode man.
Requested steps
required motor position in manual control.
EEV position
calculated electronic expansion valve opening position
Driver ‘X’ status
Go ahead
enable restart following error
Probes offset S1
correction of the lower limit of S1
Probes offset S2
correction of the lower limit of S2
Probes offset S3
correction of the lower limit of S3
ADVANCED SETTINGS – SPECIAL TOOLS
Not available
ALARMS (for driver ‘X’)
Parameter name
Description
alarm probe error
active following an error on the signal from the probe
alarm Eeprom error
active following an EEPROM memory error
alarm MOP timeout
active in conditions with excessive evaporation pressure
alarm LOP timeout
active in conditions with insuffi cient evaporation pressure
alarm Low Superheat
active in low superheat conditions
EEV not closed
active due to failed valve closing
driver X high superheat
driver X with high superheat
3.4.3 Start-up
After having connected the EVD
4
, cas described in 3.4.1, confi gure the parameters listed in 3.4.2 using
the display that manages the pCO, according to the application and/or systems used. For the unit to be
correctly operated, the SYSTEM SET and AUTOSETUP levels need to be compiled.
If some essential fi elds have not been confi gured, the alarm message
– DRIVER “x” AUTOSETUP PROCEDURE NOT COMPLETED –
will prevent the unit from being started until the autosetup procedure has been completed.
Summary of Contents for EVD4
Page 1: ...EVD4 Driver for electronic expansion valve User manual...
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