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

8-1
ELECTRICAL DATA
SM DNGDCI 2-E.1 GB
8. ELECTRICAL DATA
8.1 Single Phase Units
MODEL DNG50 DNG60 DNG72 DNG80
Power Supply 1 PH ,220-240VAC ,50HZ
Connected to Indoor or Outdoor Outdoor
Maximum Current 15A 15A 15A 15A
Inrush Current
(c)
45 A
Starting Current
(d)
15 A 15A 15A 15A
Circuit Breaker 20 A
Power Supply Wiring No х Cross Section 3 X 2.5 mm²
Interconnecting cable No х Cross Section 4X 2.5 mm²
MODEL DNG 100 DCI DNG 125 DCI
Power Supply 1PH – 230V – 50 Hz
Connected to
(a)
Outdoor Indoor Outdoor Indoor
Max Current 23A 5A 28A 5A
Inrush Current
(c)
30A
Starting Current
(d)
10A
Circuit Breaker 25A 10A 32A 10A
Power Supply Wiring
No. X Cross Section
3 X 4.0 mm
2
3 X 1.5 mm
2
3 X 6.0 mm
2
3 X 1.5 mm
2
Interconnecting Cable
No. X Cross Section
(b)
3 X 1.5 mm
2
+
2 X 0.75 mm
2
(Communications)
2 X 0.75 mm
2
(Communications)
3 X 1.5 mm
2
+
2 X 0.75 mm
2
(Communications)
2 X 0.75 mm
2
(Communications)
(a) Power supply can be connected in both ways (for 10.0, 12.5 Kw only):
To outdoor unit to supply both outdoor and indoor unit.
To outdoor unit and to Indoor unit separately.
(b) Communication wires must be separeted from the power wires (for 10.0, 12.5 Kw only).
(c) Inrush current is the current when power is up (charging the DC capacitors at outdoor unit
controller).
(d) Starting current is the current peak when starting the compressor.
NOTE:
Power wiring cord should comply with local lows and electrical regulations requirements.
CONTENT