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
7-1
SOUND LEVEL CHARACTERISTICS
SM DNGDCI 2-E.1 GB
7. SOUND LEVEL CHARACTERISTICS
7.1 Sound Pressure Level
Figure 1
7.2 Soud Pressure Level Spectrum (Measured as Figure 1)
DNG 50 DNG 60
FAN SPEED LINE
HI
ME
LO
1.4m
Mic.
Unit
2m duct in
return air area
2m duct in
supply air area
static
pressure
test point
(2(AB)
1/2
)
CONTENT