Pfannenberg DTI Series Manuel utilisateur

Operating Manual

Attachment and Installation Cooling Units

DTS and DTI Series 6801

Standard Controller (SC) – 400 / 460 V, 3~

Original instruction manual – Version 1.0, February 2022

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 2/66

1About this manual........................................................................................................................................................ 4

1.1 Use and safekeeping ................................................................................................................................................ 4

1.2 Exclusion of liability................................................................................................................................................... 4

1.3 Target group............................................................................................................................................................. 5

1.4 Explanation of the notes............................................................................................................................................ 6

1.5 Marking of contents................................................................................................................................................... 7

1.5.1 Handling instructions ........................................................................................................................................... 7

1.5.2 Links and cross references .................................................................................................................................. 7

2Safety............................................................................................................................................................................ 8

2.1 Intended use............................................................................................................................................................. 8

2.1.1 Permissible usage conditions............................................................................................................................... 8

2.2 Foreseeable misuse.................................................................................................................................................. 9

2.3 Duty of the operator .................................................................................................................................................. 9

2.4 Terms of warranty................................................................................................................................................... 10

2.4.1 Returning units .................................................................................................................................................. 10

3Unit description.......................................................................................................................................................... 11

3.1 Unit structure .......................................................................................................................................................... 11

3.2 Scope of delivery .................................................................................................................................................... 12

3.3 Order options.......................................................................................................................................................... 12

3.3.1 Filter adapter (option) ........................................................................................................................................ 13

3.4 Functional description............................................................................................................................................. 14

3.4.1 Air circuit ........................................................................................................................................................... 14

3.4.2 Controller .......................................................................................................................................................... 15

3.4.3 Refrigeration circuit............................................................................................................................................ 16

3.4.4 Safety concept .................................................................................................................................................. 17

3.4.5 Condensate treatment ....................................................................................................................................... 18

3.5 Type plate............................................................................................................................................................... 19

3.6 Signs and symbols on the unit................................................................................................................................. 21

3.7 Technical data ........................................................................................................................................................ 22

3.7.1 Refrigeration circuit............................................................................................................................................ 22

3.7.2 Electrical data.................................................................................................................................................... 22

3.7.3 Dimensions ....................................................................................................................................................... 23

3.7.4 Other unit data .................................................................................................................................................. 23

4Assembly and initial commissioning ........................................................................................................................ 24

4.1 Safety information................................................................................................................................................... 24

4.2 Transport................................................................................................................................................................ 25

4.2.1 Transporting the cooling unit.............................................................................................................................. 26

4.2.2 Crane transport ................................................................................................................................................. 27

4.3 Storage................................................................................................................................................................... 28

4.4 Unpacking .............................................................................................................................................................. 28

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 3/66

4.5 Assembly................................................................................................................................................................ 29

4.5.1 General ............................................................................................................................................................. 29

4.5.2 DTS cooling unit assembly (side attachment)..................................................................................................... 30

4.5.3 Assembly of the DTI cooling unit (Installation).................................................................................................... 32

4.6 Electrical connection............................................................................................................................................... 35

4.6.1 Notes for connecting cables to the unit............................................................................................................... 35

4.6.2 Electrical circuit diagram.................................................................................................................................... 36

4.6.3 Connection compartment................................................................................................................................... 37

4.6.4 Setting the DIP-switch ....................................................................................................................................... 38

4.6.5 Door contact switch ........................................................................................................................................... 40

4.6.6 Collective fault signal......................................................................................................................................... 41

4.6.7 Mains connection .............................................................................................................................................. 42

4.6.8 Adapting the unit to the mains voltage ............................................................................................................... 44

4.6.9 Equipotential bonding connections and fuses..................................................................................................... 45

5Operation.................................................................................................................................................................... 46

5.1 General functions.................................................................................................................................................... 46

5.2 Operation of the cooling unit ................................................................................................................................... 47

5.3 Service interface..................................................................................................................................................... 48

6Service and maintenance........................................................................................................................................... 49

6.1 Safety information................................................................................................................................................... 49

6.2 General .................................................................................................................................................................. 50

6.3 Maintenance schedule ............................................................................................................................................ 51

6.4 Maintenance work................................................................................................................................................... 52

6.4.1 Cleaning............................................................................................................................................................ 52

7Rectification of operating faults ................................................................................................................................ 57

7.1 General .................................................................................................................................................................. 57

7.1.1 Error messages................................................................................................................................................. 58

8Decommissioning ...................................................................................................................................................... 60

8.1 Temporary decommissioning .................................................................................................................................. 60

8.2 Final decommissioning............................................................................................................................................ 60

9Dismantling and disposal .......................................................................................................................................... 61

9.1 Safety information................................................................................................................................................... 61

9.2 Dismantling............................................................................................................................................................. 62

9.3 Disposal ................................................................................................................................................................. 63

10 Spare parts and accessories ..................................................................................................................................... 64

11 Index ........................................................................................................................................................................... 65

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 4/66

1 About this manual

1.1 Use and safekeeping

NOTE

Read the manual before starting any work on the unit/plant.

Observe the following points:

•The manual is part of the unit and must always be available on the product and accessible to the operator. The

manual must be kept complete, close to the machine and accessible to the respective authorized persons.

•The unit can only be commissioned, operated and serviced properly with the help of this manual.

•This manual refers only to the product specified on the title page.

•This manual is subject to change in the course of technical progress.

•This manual is part of the scope of delivery.

•This manual is valid from transport until final disposal and must be observed.

•Always keep the manual in a legible condition.

•Leave the manual with the unit in the event of a resale.

•The unit can present unavoidable residual hazards for persons and property. Therefore, personnel must read,

understand and observe the manual before beginning any work. In addition, every person who works on and with

the unit in any way must be instructed and aware of the possible dangers.

•This manual is aimed only at instructed and authorized specialist personnel.

•The owner must ensure that all persons concerned have read and understood the manual before starting work.

•Illustrations in this manual serve for general understanding and can differ from the actual version.

1.2 Exclusion of liability

Pfannenberg is not liable for any errors in this documentation. Liability for indirect and direct damages that occur in connection

with the delivery or use of this documentation is excluded insofar as this is legally permitted.

Pfannenberg reserves the right to change this document, including the exclusion of liability, at any time without notice and is not

liable for any consequences of this change.

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 5/66

1.3 Target group

The different activities for handling the unit must be allocated to the target groups.

The necessary personnel qualifications are subject to different legal requirements according to the application site. The owner

must ensure that the applicable laws are observed. The admissible personnel and their minimum qualification are defined below

insofar as this is not regulated by law.

Observe the following points:

• Work on or with the unit/system may only be performed by suitable specialists.

• The personnel must be familiar with the pertinent standards, regulations, rules for the prevention of accidents and

operating conditions.

• The personnel must be instructed and trained for the work to be performed.

• The personnel must be capable of recognizing and avoiding hazards.

Person Activity Qualification Life phase

Load transport specialists Lifting/setting down and

transporting the system

Proven experience in the

handling of suspended loads

and load securing

Transport, disposal

Specialized personnel

(mechanics)

Mechanical work for:

Commissioning,

troubleshooting, maintenance

and decommissioning

Training as industrial

mechanics or an equivalent

professional qualification

Commissioning,

maintenance,

troubleshooting,

decommissioning,

disassembly

Specialized personnel

(electrician)

Electrical work Professional training in

electrical engineering or an

equivalent professional

qualification

Commissioning,

maintenance,

troubleshooting,

decommissioning,

disassembly

Operators and users Operation of the system By the owner based on the

instruction of an instructed

person

Commissioning, operation,

maintenance, troubleshooting

Specialized personnel

(disposal agent)

Proper disposal of the system Knowledge of the disposal

regulations applicable at the

application site

Decommissioning,

disassembly, disposal

Tab. 1: Target groups and required personnel qualification

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 6/66

1.4 Explanation of the notes

The warnings are indicated by signal words which express the degree of danger.

The warnings must be heeded to avoid accidents, injuries and property damages.

Explanation of the warnings in this manual:

DANGER

Brief description of the danger

The signal word DANGER indicates an imminent danger.

Failure to heed this warning will lead to severe injury or death.

WARNING

Brief description of the danger

The signal word WARNING indicates a possible danger.

Failure to heed this warning can lead to severe injury or death.

CAUTION

Brief description of the danger

The signal word CAUTION indicates a possible danger.

Failure to heed this warning can lead to minor to moderate injuries.

ATTENTION

Brief description

The signal word ATTENTION indicates possible property damages.

Failure to heed the warning can lead to damages to the unit or plant.

NOTE

The signal word NOTE indicates further information about the unit or its use.

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 7/66

1.5 Marking of contents

1.5.1 Handling instructions

Handling instructions are indicated in this manual as follows:

Requirements

Requirements and additional warnings

Required tools and materials

Tools and materials required for handling

Procedure

1. <Handling steps>

2. …

–<Intermediate result / Further instructions>

3. …

<Final result>

1.5.2 Links and cross references

Links and cross references are indicated in this manual as follows:

•If this document is available in digital form, the links are interactive. A CLICK will bring you to the desired target.

–The button combination <ALT> + <Cursor left> always returns you to the starting point.

•The table of contents is also interactive.

Cross references (example)

For further information, see section "Links and cross references", page 7.

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 8/66

2 Safety

2.1 Intended use

The Pfannenberg add-on and built-in cooling units of the DTS and DTI series are stationary cooling units for heat dissipation

from switch cabinets. They are available in two versions:

• The DTI cooling units are installed partly sunken into the side or door.

• The DTS cooling units are mounted on the side or door.

WARNING

Risk of injury due to impermissible use of the units.

Improper use of units can lead to serious accidents.

• Only use cooling units in stationary operation.

The DTI/DTS-cooling units are only approved for stationary operation.

As cooling units of protection class IP 55, the cooling units are largely dust-proof.

Limitation: Dust can penetrate despite this under permanent exposure. The cooling units withstand splash water but not a

continuous water jet.

The colling units are available with different cooling capacities. For exact capacity data, see chapter "Refrigeration circuit",

Page 22.

The cooling units have a cut-out compatibility with air/air heat exchangers and air/water heat exchangers. The use of aluminum

filters, felt filters or bellows filters is possible with an additional adapter.

The cooling units are available with different unit controllers. Cooling units with a Standard Controller (SC) or a Multi-Controller

(MC) are available. These controllers are control unit for setting refrigeration functions and operating data. They also enable

readout of system messages and diagnostic data.

The Multi-Controller (MC) is additionally equipped with a Multimaster function and an energy-saving mode.

• For detailed data of the controller, see chapter "Technical data", Page 22, "Electrical connection", Page 35 and

"Operation", Page 46.

All Pfannenberg cooling units are RoHS compliant and free from:

• Silicone compounds

• PCT, asbestos, formaldehyde, cadmium

• Substances that cause wetting defects

2.1.1 Permissible usage conditions

• The permissible ambient air temperature of the DTI/DTS cooling units is +10 … 55 °C (+50 … 131 °F).

• The permissible storage temperature of the DTI/DTScooling units is -20 … +70 °C (-4 … +131 °F).

• The operation of the DTI/DTS cooling units is only permissible for stationary assembly and closed switch cabinets.

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 9/66

2.2 Foreseeable misuse

The following points describe a foreseeable misuse of the unit:

• Use of the unit as a storage place, work platform.

• Attachment of transport aids.

• Installation in unsuitable locations.

• Outdoor operation.

• Operation outside of the permissible technical data. See section "Technical data".

• Operation without or with damaged sub-assemblies which serve for the safety of persons and the unit/plant.

• Use of cooling media not listed and approved in the "technical data".

• Cooling of media and objects not intended for operation of the unit.

• Blocking of the ambient air inlets and outlets by set down objects for example.

2.3 Duty of the operator

• The operator must ensure that the cooling units are only used for their intended purpose and that all hazards pertaining

to the life and health of users or third parties are avoided. The accident prevention guidelines and safety regulations must

also be observed.

• Unit faults must be responded to immediately.

• The owner must ensure that all users have read and understood this operating manual.

Non-compliance with this operating manual will void the warranty. The same applies if improper work has been carried out on

the unit by the customer and/or third parties without the consent of the manufacturer.

ENG

Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 10/66

2.4 Terms of warranty

ATTENTION

Loss of warranty!

Loss of warranty due to spare parts from other manufacturers.

•Only original parts are subject to quality control by the manufacturer.

•The use of spare parts from other manufacturers will lead to loss of warranty.

•Only use original manufacturer parts to ensure safe and reliable operation.

The warranty does not apply or shall expire in the following cases:

•Improper use of the unit.

•Non-compliance with the operating conditions or non-observance of the operating manual.

•Irregular maintenance of the cooling units.

•Damage due to failure to observe the maintenance recommendations.

•Damage to cooling units caused by dirty or blocked filters.

•Damage due to unauthorized opening of the refrigeration circuit.

•Modifications made to the unit or any change in the serial number.

•Transport damage or other accidents.

•Replacement of parts by unauthorized personnel.

2.4.1 Returning units

The following must be observed to assert warranty claims and to return the unit:

•Attach a precise description of the defect and the SRO (RMA) number assigned by Pfannenberg to the cooling unit.

•Enclose proof of purchase (copy of delivery note or invoice).

•Send the cooling unit with all supplied accessories, in original box or equivalent packaging, free of transport charges and

insured.

•Observe transport instructions, see section "Transport", Page 25.

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