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

1-2
INTRODUCTION
SM DNGDCI 2-E.1 GB
1.3 Indoor Unit
The DNG DCI indoor unit is a low silhouette ducted unit, and can be easily fitted to many
types of residential and commercials applications.
• Low silhouette units 300 mm height.
• High technology plastic fan and fan housing.
• Drain pool below at bottom of unit with internal downward slope.
• Over-flow switch, stops compressor operation in case of a blocked drainage.
• Bended coil hydrophilic coated aluminum fins.
• 3-speed fan motor and an extra speed in case a higher external static pressure re
quired
• Tubing connections at the back of the unit to allow easy outlet to left or right side
of the
• Built in condensing water over-flow protection.
• Easy installation and service access.
• Infrared remote control with liquid display unit (LCD).
• Field options:
(1) External water pump.
(2) Airconet connection.
(3) Plenum kit for connection of flexible duct hoses at air outlet.
1.4 Filtration
•
The unit is equipped with pre filters.
• Easy and versatile access, rear or bottom, can be easily adjusted by the installer.
1.5 Ionizer (Optional)
A special design Ioniser protected by unique patents integrated into the indoor unit,
generating negative ions to the room providing comfort and upgraded indoor air quality.
1.6 Control
The microwprocessor indoor controller, and an infrared remote control, supplied as
standard, provide complete operating function and programming.
For further details, please refer to the Operation Manual, Appendix A.
CONTENT