Sterling SDF 500 Bedienungsanleitung

Sterling Material Processing
Operating Instructions
Dehumidified air dryer
SDF 250
SDF 400
SDF 500
With Touch control unit

SDF 250/400/500
2
Sterling Material Processing
5200 West Clinton Ave.
Milwaukee, WI 53223
Telephone: (414) 354-0970
Fax: (414) 354-6421
www.sterlco.com
Technical service:
Service department
Telephone: (800) 423-3183
Edition: 12/03
These operating instructions are for*:
(* please fill in personally)
Serial number:
Year of manufature:
Date of Delivery:
Number of delivery:
Date of commissioning:
Location:
Group of machines:

SDF 250/400/500
3
Sterling Material Processing retains all rights to change the information in these operating
instructions at any time without notice.
We assume no liability for any errors or direct or indirect damage resulting in context with these
operating instructions.
Copying, translation or publication in any form except for personal use of purchaser requires
approval from Sterling Material Processing.
All rights reserved.

SDF 250/400/500
4
Table of contents
1. General Information .............................................................................................1-1
1.1. Warnings and symbols.......................................................................................1-2
1.2. Explanations and information ............................................................................1-4
1.3. Legal basis ........................................................................................................1-4
1.4. Fields of applications.........................................................................................1-4
1.5. Notes on Usage..................................................................................................1-4
2. Safety instructions ................................................................................................2-1
2.1. General..............................................................................................................2-2
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 devices ..............................................................................2-5
3. Start up.................................................................................................................3-1
3.1. Control Unit ......................................................................................................3-2
3.1.1. Touch Screen ........................................................................................3-2
3.2. Switching on the Dryer......................................................................................3-3
3.3. Basic parameters................................................................................................3-4
3.3.1. Entering Dryer Values...........................................................................3-4
3.3.2. Entering hopper values..........................................................................3-6
3.3.3. Setting the timer....................................................................................3-8
3.3.4. Observing processing status ................................................................3-10
3.3.5. Setting date and time...........................................................................3-11
3.3.6. Changing language..............................................................................3-12
3.4. Continuous operation.......................................................................................3-14
3.4.1. Continuous Operation of the Hopper...................................................3-14
Continuous Operation of the Dryer.....................................................................3-14
3.5. Switching the dryer/hopper heater off..............................................................3-16
4. Error and error correction .....................................................................................4-1
4.1. Actual messages ................................................................................................4-3
4.2. Alarm protocol ..................................................................................................4-7
5. Maintenance.........................................................................................................5-1
5.1. Maintenance schedule........................................................................................5-3
5.2. Cleaning or Replacing the Air Filter ..................................................................5-4
5.2.1. Cleaning or Replacing the Return Air Filter ..........................................5-5
5.2.2. Cleaning or Replacing the Regeneration air filter ..................................5-6
5.2.3. Filter of the electrical cabinet ................................................................5-7
5.3. Disposing of Drying Agents ..............................................................................5-8
5.4. Cleaning the Drying Hopper..............................................................................5-9
5.5. Changing the battery of the control system ......................................................5-12
5.5.1. Resetting the control values.................................................................5-14
6. Functional description ........................................................................................6-15
6.1. General Information ........................................................................................6-16
6.2. Drying Hopper (Optional)................................................................................6-17
6.2.1. Hopper heaters (optional)....................................................................6-17

SDF 250/400/500
5
6.3. Connection to a Pneumatic Conveying System (Optional) ...............................6-18
6.4. Return Air Cooler (Optional)...........................................................................6-18
7. Transport, Assembly and Storage .........................................................................7-1
7.1. Tansport and Packing ........................................................................................7-2
7.2. Assembly ..........................................................................................................7-4
7.3. Storage ..............................................................................................................7-4
8. Assembly instructions ..........................................................................................8-1
8.1. Installation of the exhauster fan for regeneration of exhaust air..........................8-2
8.2. Connection of Return Air Cooler (Optional)......................................................8-2
8.3. Electrical Connection ........................................................................................8-3
8.4. Compressed Air Supply.....................................................................................8-4
9. Technical data ......................................................................................................9-1
10. Accessories.....................................................................................................10-1

SDF 250/400/500
General Information 1-1
1. General Information
These operating instructions are addressed to all users of the
device.
These operating instructions must be used by every person
charged with work on the unit.

SDF 250/400/500
General Information 1-2
1.1. Warnings and symbols
The following warnings and symbols are used in these operating instructions:
This symbol indicates danger to life! Fatal or serious injury is
possible if the corresponding instructions, regulations or
warnings are not observed.
LThis symbol indicates that serious injury is possible if the
corresponding instructions, regulations or warnings are not
observed.
FThis symbol indicates that extensive damage to equipment is
possible if the corresponding instructions, regulations or
warnings are not observed.
&This symbol indicates information important for becoming
familiar with the equipment, i.e. technical correlations.
$This symbol indicates that a technical term is explained at this
point.

SDF 250/400/500
General Information 1-3
When disposing of drying agents / batteries / oil, observe all
official rules.
Caution: High noise pollution !
For all work on the equipment, hearing protection should be
worn.
Avoids impairment of hearing!
Caution: Danger of crushing !
Disconnect the equipment from mains supply before starting
mainenance procedures. All compressed air pipes on the
equipment should be depressurised before starting
maintenance work.
Caution: Danger of hot surface !
Before starting any work wait until all parts have been cooled
down sufficiently. Avoid touching any of these parts!
Caution: Danger of skidding !
Remove any granules remaining on the ground.
Caution: Danger to life through electrical shock !
Observe that the control system is still under voltage even
when the main switch is switched off.
Check the direction of rotation of the blowers after the
electrical connections have been made (see rotational
direction arrow).

SDF 250/400/500
General Information 1-4
1.2. Explanations and information
Various terms and designations are used in these operating instructions to ensure clarity.
Therefore please note that the terms used in the text stand for the corresponding explanations
listed below.
•Equipment: ”Equipment” can mean an individual unit, a machine or an installation.
•Operating personnel: The ”operating personnel” are persons operating the equipment on their
own responsibility or according to instructions.
•Operator : The ”operator” of the equipment (production manager, foreman, etc.) is the person
responsible for all production sequences. The operator instructs the operating personnel of
what is to be done.
•Operating instructions: The ”operating instructions” describe the interaction of the equipment,
production sequences or methods. The operating instructions must be compiled by the
operator of the equipment.
•Equipment foreman: When several operating personnel work on one machine, the
”equipment foreman” coordinates the sequences. The equipment foreman must be appointed
by the operator.
•Trained personnel: ”Trained personnel” are persons who, due to their training, are authorized
to carry out the required work.
1.3. Legal basis
See “Manufacturer’s Certificate” resp. “Certificate of Conformity”.
1.4. Fields of applications
For the drying of thermoplastic granules and regrind before processing in order to remove all
remaining moisture from the granules both inside and out, independent of climate or ambient air
conditions.
1.5. Notes on Usage
•Experienced operators can begin directly with the chapter on “Start-up” if the unit has been
properly installed.
•If the unit has not been installed yet, observe the instructions in the chapter on “Assembly
Instructions” and “Transport, Assembly and Storage”.

SDF 250/400/500
Safety instructions 2-1
2. Safety instructions
These safety instructions apply to all persons within the range of
action of the equipment.
Please inform all persons within the range of action of the
equipment of the direct and indirect hazards connected with the
equipment.
These operating instructions are to be used by all persons
assigned activities connected with the equipment.
Knowledge of the English language is prerequisite.
Ensure in each case that the operating personnel are familiar with
the operating instructions and the function of the equipment. For
your safety
Dieses Handbuch passt für folgende Modelle
2
Inhaltsverzeichnis
Andere Sterling Luftentfeuchter Handbücher



















