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
12-15
CONTROL SYSTEM
SM DNGDCI 2-E.1 GB
12.9.9 Indoor Unit Dry Contact
Indoor unit Dry contact has two alternative functions that are selected by J9.
Jumper Function Contact =open Contact=short
J9=open
Presence Detector
Connection
No limit Force to STBY
J9=short Power Shedding Function No limit Limit NLOAD
12.9.10 Operating the Unit from Mode Button
Forced operation allows to start, stop and operate in Cooling or Heating, in pre-set temperature
according to the following table:
Forced operation Mode Pre-set Temperature
Cooling 20 ºC
Heating 28 ºC
CONTENT