Service manual
Table Of Contents
- DNG DC Inverter Series
- LIST OF EFFECTIVE PAGES
- TABLE OF CONTENTS
- INTRODUCTION
- PRODUCT DATA SHEET
- RATING CONDITIONS
- OUTLINE DIMENSIONS
- PERFORMANCE DATA & PRESSURE CURVES
- AIRFLOW CURVES
- SOUND LEVEL CHARACTERISTICS
- ELECTRICAL DATA
- WIRING DIAGRAMS
- REFRIGERATION DIAGRAMS
- TUBING CONNECTIONS
- CONTROL SYSTEM
- TROUBLESHOOTING
- EXPLODED VIEWS AND SPARE PARTS LISTS
- APPENDIX A

12-22
CONTROL SYSTEM
SM DNGDCI 2-E.1 GB
12.11.3 Model dependent parameters for DCI72/80
Compressor Parameters Value
MinOFFTime 3
MinOnTime 3
MaxCTT1 90
MaxCTT2 90
MinSpeedAsCTT1 26
MinSpeedAsCTT2 26
MaxSpeedC 75
MaxSpeedH 95
Step1RPS 40
Step2RPS 60
Step3RPS 75
NormAcc (sec/RPS) 1
NormDec (sec/RPS) 1
Down1(Sec/RPS) 12
Down2 (Sec/RPS) 7
DeiceAcc (Sec/RPS) 0.2
DeiceDec (Sec/RPS) 0.5
EEV Parameters Value
NormEEVRate 30
EEVCompOFFOpen 200
EEVCompOFFTime 60
EEVMaxOpen 500
EEVMinOperOpenC 60
EEVMaxOperOpenC 500
EEVMinOperOpenH 70
EEVMaxOperOpenH 500
EEVMinOperOpenHInIDU 60
EEVMaxOperOpenHInIDU 140
EEVIDUOFFOpen 130
EEVMoveSteps 20
EEVTConstC 30
EEVTConstH 30
BlncTimTrnsStC 1
BlncTimStdyStC 1
BlncTimTrnsStH 1
BlncTimStdyStH 1
CompOffTimToTrnsSt 20
CONTENT