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
12-10
CONTROL SYSTEM
SM DNGDCI 2-E.1 GB
12.9.3.2 Compressor Overheating Protection for DCI 72/80
CTT
CTT Trend
Fast
Decreasing
Decreasing
No
Change
Increasing
Fast
Increasing
Cool Heat
CTT >105 CTT >105 SC SC SC SC SC
100= CTT < 105 100= CTT < 105 D1 D1 D2 D2 D2
98=CTT <100 95=CTT <100 SR SR D1 D2 D2
93=CTT < 100 85=CTT < 95 SR SR SR D1 D1
90=CTT = 93 80=CTT = 85 Norm Nor Norm SR SR
CTT <90 CTT <80 Norm
12.9.4 Compressor Over Current Protection Only For DCI 60
12.9.5 Heat Sink Overheating Protection
12.9.5.1 Heat Sink Overheating Protection For DCI 60
HST
HST Trend
Fast
Decreasing
Decreasing
No
Change
Increasing
Fast
Increasing
HST ≥ 90 SC SC SC SC SC
85 = HST < 90 D1 D1 D2 D2 D2
82 = HST < 85 SR SR D1 D2 D2
80= HST< 82 SR SR SR D1 D1
78 = HST = 80 Norm Norm Norm SR SR
HST < 78 Norm
Normal
Stop-Rise
HzDown1
HzDown2
Stop-Compresor
CCROC1
CCROC2
CCROC3
CCROC4
CCR
CONTENT