Sterling STT40 Dehumidifier User Manual


 
STT40 / STT70
4
Table of contents
1. General Information.................................................................................................1-1
1.1. Warnings and symbols..........................................................................................1-1
1.2. Explanations and information...............................................................................1-3
1.3. Legal basis ............................................................................................................1-3
1.4. Field of application ...............................................................................................1-3
1.5. Notes on Usage .....................................................................................................1-3
2. Safety instructions....................................................................................................2-1
2.1.1. Assembly......................................................................................................2-3
2.1.2. Operation .....................................................................................................2-3
2.1.3. Maintenance.................................................................................................2-4
2.2. For the safety of the device...................................................................................2-5
3. Start up.....................................................................................................................3-1
3.1. Initial Operation....................................................................................................3-2
3.1.1. Switching on the Dryer................................................................................3-2
3.2. Continuous Operation...........................................................................................3-4
3.2.1. Switching the Dryer on................................................................................3-4
3.2.2. Setting the Drying Temperature...................................................................3-5
3.3. Switching the Dryer off ........................................................................................3-7
4. Error and error correction ........................................................................................4-1
5. Maintenance.............................................................................................................5-1
5.1. Maintenance schedule...........................................................................................5-3
5.2. Preventative Maintenance.....................................................................................5-4
5.2.1. Servicing Process Air Filters .......................................................................5-4
Cleaning or Replacing the Return Air Filter............................................................5-5
5.2.3. Servicing the Dew Point Monitor ................................................................5-6
5.3. Corrective Maintenance........................................................................................5-7
5.3.1. Symptoms of Worn Desiccant .....................................................................5-7
5.3.2. Replacing Worn Desiccant ..........................................................................5-8
5.4. Disposing of Drying Agents .................................................................................5-9
5.5. Replacing the Process Heater..............................................................................5-10
5.5.1. Replacing/Cleaning the Cooling Coils ......................................................5-11
5.5.2. Replacing the regeneration heating coil.....................................................5-12
5.6. Cleaning the Drying Hopper...............................................................................5-13
6. Functional description............................................................................................6-15
6.1. General Information............................................................................................6-16
6.2. Drying Hopper (Optional)...................................................................................6-19
6.2.1. Hopper Heater............................................................................................6-20
6.3. Connection to a Pneumatic Conveying System (Optional) ................................6-22
6.4. Return Air Cooler (Optional)..............................................................................6-22
7. Transporting, Assembly and Storage.......................................................................7-1
7.1. Transporting and Packing .....................................................................................7-2
7.2. Assembly...............................................................................................................7-3
7.3. Storage ..................................................................................................................7-3
8. Assembly instructions..............................................................................................8-1
8.1. Installation of the exhaust fan for regeneration of exhaust air..............................8-2