ITV ICE MAKERS NG DP 80 A - Default Chapter; Table of Contents

NG DP
TECHNICAL SERVICE MANUAL
2
4
TABLE OF CONTENTS
1. INTRODUCTION ............................................................................................................................................... 3
1.1. Warnings ..................................................................................................................................................... 3
1.2. Descripción ................................................................................................................................................. 4
1.3. Operating principle .................................................................................................................................... 4
1.4. Wiring diagrams ......................................................................................................................................... 6
2. SPECIFICATIONS ............................................................................................................................................. 8
2.1. Production Tables .................................................................................................................................... 11
3. DELIVERY AND UNPACKING ...................................................................................................................... 15
4. INSTALLATION ............................................................................................................................................... 16
4.1. Recommended Placement of Unit ........................................................................................................ 16
4.2. Water and Drainage ................................................................................................................................ 17
4.3. Electrical connection ............................................................................................................................... 17
5. OPERATION .................................................................................................................................................... 18
5.1. Preliminary Checks .................................................................................................................................. 18
5.2. Starting up ................................................................................................................................................ 18
6. ADJUSTMENTS .............................................................................................................................................. 19
6.1. Condenser water valve pressostat ........................................................................................................ 19
6.2. Fan pressostat (air–cooled models)..................................................................................................... 19
7. MAINTENANCE AND CLEANING INSTRUCTIONS ................................................................................. 21
8. MAINTENANCE AND CLEANING PROCEDURES ................................................................................... 22
8.1. Water condenser ..................................................................................................................................... 22
8.2. Air condenser ........................................................................................................................................... 22
8.3. Evaporator / Water Through ................................................................................................................... 22
8.4. Cleaning the ice bin ................................................................................................................................. 23
8.5. Cleaning the outside of the machine .................................................................................................... 23
8.6. Spray nozzles and connecting pipes .................................................................................................... 24
8.7. Cleaning the water inlet filters ................................................................................................................ 24
8.8. Checking for water leaks ........................................................................................................................ 24
9. SPECIAL ADVICE CONCERNING R-404 REFRIGERANT ..................................................................... 25
10. TROUBLESHOOTING ................................................................................................................................ 26