Colortronic CTT 250 User manual

Operating Instructions
Dehumidified air dryer
CTT 250
with Siemens S7 control unit
64.10-0260GB05 06/03
Colortronic GmbH

Technical service:
Service department
Telephone: [phone]
Telefax: (0 61 75) 7 92-1 19
Email [email protected]
Spare parts department
Telephone: [phone]
Telefax: (0 61 75) 7 92-1 08
Edition: 06/03
Order-No: 64.10-0260GB05
64.10-0260GB05 06/03
CTT 250
2
These operating instructions are for*:
(* Please fill in personally)
Serial number:
Year of manufacture:
Date of delivery:
Number of delivery:
Date of commissioning:
Location:
Group of machines:
Colortronic GmbH
Otto-Hahn-Straße 10-14
61381 Friedrichsdorf
Telephone [phone]
Telefax (0 61 75) 7 92-1 79
Email [email protected]
Http://www.colortronic.com
USA
Colortronic North America Inc.
155 E. 9th Avenue
Runnemede, NJ 08078
Telephone [phone]
Telefax [phone]
Email [email protected]

Colortronic GmbH 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 con-
text with these operating instructions.
Copying, translation or publication in any form except for personal use of purcha-
ser requires approval from Colortronic GmbH.
All rights reserved.
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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. For your safety...................................................2-2
2.2. For the safety of the devices........................................2-5
3. Start-up .................................................................3-1
3.1. Control system ...................................................3-2
3.1.1. Key assignment ...........................................3-2
3.1.2. Flow chart ................................................3-3
3.2. Switching on the dryer.............................................3-4
3.2.1. Operation statuses .........................................3-4
3.3. Viewing the software-version .......................................3-5
3.4. Passwords ......................................................3-5
3.5. Basic parameters.................................................3-7
3.5.1. Turning the devices on/off ...................................3-7
3.5.2. Entering dryer values .......................................3-9
3.5.3. Entering hopper values ....................................3-11
3.5.3.1. Entering drying hopper names ........................3-13
3.5.3.2. Entering dwelling time ..............................3-14
3.5.4. Observing processing status ................................3-15
3.5.5. Setting date and time ......................................3-16
3.5.6. Viewing/changing language and contrast ......................3-17
3.5.7. Changing parameters......................................3-18
3.5.8. Setting the timer ..........................................3-19
3.6. Starting continuous operation ......................................3-20
3.7. Viewing system runtime ..........................................3-21
3.8. Switching the dryer off............................................3-22
4. Error and error correction .................................................4-1
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5. Maintenance .............................................................5-1
5.1. Maintenance schedule.............................................5-3
5.2. Cleaning or Replacing the Air Filters .................................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
5.3. Disposing of Drying Agents.........................................5-7
5.4. Cleaning the Drying Hopper ........................................5-8
5.5. Changing the battery of the control system ...........................5-11
5.5.1. Resetting the control values ................................5-13
6. Functional description ....................................................6-1
6.1. General Information...............................................6-2
6.2. Drying Hopper (Optional) ..........................................6-3
6.2.1. Hopper heaters (optional) ...................................6-3
6.3. Connection to a Pneumatic Conveying System (Optional) ................6-4
6.4. Return Air Cooler (Optional) ........................................6-4
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
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10. Spare parts list .........................................................10-1
10.1. Switching Cabinet and Operating Unit ..............................10-4
10.2. Drying Hopper .................................................10-4
11. Electrical manual .......................................................11-1
oConnection diagram no.: ________________
oCurrently not available; will be delivered at a later date!
12. Accessories ...........................................................12-1
oSpare parts list Drying Hoppers TT 25 - TT 6400
oEntering values on the OP7/17
oFlap control with Fuzzy-Logic
o_____________________________
o_____________________________
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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.
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General Information 1-1

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 obser-
ved.
&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.
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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 mainenan-
ce procedures. All compressed air pipes on the equipment should be de-
pressurised before starting maintenance work.
Caution: Danger of hot surface!
Before starting any work wait until all parts have been cooled down suffi-
ciently. 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.
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1.2. Explanations and information
Various terms and designations are used in these operating instructions to ensure clarity. There-
fore please note that the terms used in the text stand for the corresponding explanations listed be-
low.
•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 ac-
cording 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 re-
maining 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 pro-
perly installed.
•If the unit has not been installed yet, observe the instructions in the chapter on “Assembly Instruc-
tions” and “Transport, Assembly and Storage”.
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