TABLE OF CONTENTS |
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1.0 | GENERAL | 5 | |
| 1.1 | Unit location | 6 |
| 1.2 | Efficiency | 6 |
| 1.3 | Safety | 6 |
| 1.4 | Clean air act | 6 |
| 1.5 | Miscellaneous | 7 |
2.0 | INSTALLATION | 9 | |
| 2.1 | General | 10 |
| 2.2 | To and From process connections | 10 |
| 2.3 | Unit drain | 11 |
| 2.4 | 11 | |
| 2.5 | Electrical connection | 12 |
3.0 | OPERATIONS SEQUENCE | 13 | |
| 3.1 | General | 14 |
| 3.2 | Start up / operations procedure | 14 |
| 3.3 | Instrument operation | 15 |
| 3.4 | Shut down / disconnect sequence | 18 |
4.0 | TROUBLESHOOTING | 19 | |
| 4.1 | Unit will not start | 20 |
| 4.2 | Pump will not start | 20 |
| 4.3 | Compressor will not start | 20 |
| 4.4 | Unit shuts down on high pressure switch | 20 |
| 4.5 | Unit shuts down on low pressure switch | 20 |
5.0 | MAINTENANCE | 23 | |
| 5.1 | Warranty service procedure | 24 |
| 5.2 | Periodic preventative maintenance | 24 |
| 5.3 | Special maintenance | 25 |
| 5.4 | Pump repair | 25 |
6.0 | COMPONENTS | 27 | |
| 6.1 | Water system | 28 |
| 6.2 | Refrigeration system | 28 |
7.0 | RELATED DRAWINGS | 29 | |
| 7.1 | Electrical (typical) | 30 |
| 7.2 | Circuit schematic | 31 |
8.0 | APPENDIX | 33 | |
| 8.1 | Specifications | 34 |
| 8.2 | Operations below 48°F | 35 |
| 8.3 | Water quality control | 37 |
| 8.4 | Inhibited propylene glycol | 37 |
| 8.5 | Chiller capacity and derate chart | 39 |
| 8.6 | Pressure - temperature chart for | 40 |
| 8.7 | Engineering formulas | 41 |
| 8.8 | Spare parts list | 42 |
UGH020/0301 | VL Series Portable Chillers, 0.25 to 1.5 Tons | Page: 3 |
