Pre-Freezing Samples 21Adding Sample 21Shut Down 22Defrosting 23Alarms 23Power Failure 23Line Voltage Out of Range 24Temperature Out of Range 24Service Vacuum Pump 25Moisture in Collector 25CHAPTER 5: MAINTAINING YOUR FREEZE DRYER 26CHAPTER 6: USING THE RS232 RECEPTACLE 28Computer Connection for Computer Interface 28CHAPTER 7: TROUBLESHOOTING 32Vacuum Pump 32Gaskets, Tubing, Connections, Sample Valves 33System Components & Collection Chamber Isolation 35Refrigeration Module Operation 37CHAPTER 8: MODIFYING YOUR FREEZE DRYER DISPLAY 38Temperature and Vacuum Display 38Line Voltage Alarm Points 38Moisture Sensor Alarm 39Modifying the Display 39APPENDIX A: FREEZE DRYER COMPONENTS 43APPENDIX B: FREEZE DRYER DIMENSIONS 48APPENDIX C: FREEZE DRYER SPECIFICATIONS 51Electrical Specifications 51Environmental Conditions 52APPENDIX D: FREEZE DRYER ACCESSORIES 53
