Seifert OC 5710-230V Bedienungsanleitung

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Table of Content OC 5710-230V

1. User manual 2 ...................................................................................................................

2. Legal regulations 2 ...........................................................................................................

3. Safety instructions 3 ........................................................................................................

4. Technical information 4 ...................................................................................................

5. Functional principle 5 ......................................................................................................

6. Technical data 6 ................................................................................................................

7. Performance Graph 7 .......................................................................................................

8. Mounting 8 .........................................................................................................................

9. Mounting Principle 8 ........................................................................................................

10. Cut out dimensions 9 .....................................................................................................

11. Dimensions (H x W x D) 10 ............................................................................................

12. Electrical connection 11 .................................................................................................

13. Wiring diagram 11 ..........................................................................................................

14. Taking into operation 13 ...............................................................................................

15. Repair 13 .........................................................................................................................

16. Maintenance & Cleaning 14 ..........................................................................................

17. Transport & Storage 14 .................................................................................................

18. Parts supplied 15 ............................................................................................................

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1. User manual

This instruction manual contains information and instructions to enable the user to work safely,

correctly and economically on the unit. Understanding and adhering to the manual can help one:

Avoid any dangers.

●

Reduce repair costs and stoppages.

●

Extend and improve the reliability and working life of the unit.

●

PLEASE ENSURE TO USE THE RIGHT VERSION OF THE INSTRUCTION MANUAL SUITABLE FOR

YOUR UNIT.

Conditions of use

󰾬The unit is to be used exclusively for the dissipation of heat from control cabinets and enclosures in

order to protect temperature sensitive components in an industrial environment. To meet the

conditions of use, all the information and instructions in the instruction manual must be adhered to.

General danger

Indicates compulsory safety regulations which are not

covered by a specific pictogram such as one of the following.

High electric voltage

Indicates electric shock danger.

Important safety instruction

Indicates instructions for safe maintenance and operation of

the unit.

Attention

Indicates possible burns from hot components.

Attention

Indicates possible damage to the unit.

Instruction

Indicates possible danger to the environment.

2. Legal regulations

Liability

The information, data and instructions contained in this instruction manual are current at the time of

going to press. We reserve the right to make technical changes to the unit in the course of its

development. Therefore, no claims can be accepted for previously delivered units based on the

information, diagrams or descriptions contained in this manual. No liability can be accepted for

damage and production caused by:

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Disregarding the instruction manual

●

Operating error

●

Inappropriate work on or with the unit

●

The use of non-specified spare parts and accessories

●

Unauthorised modifications or changes to the unit by the user or his personnel

●

The supplier is only liable for errors and omissions as outlined in the guarantee conditions contained in

the main contractual agreement. Claims for damages on any grounds are excluded.

3. Safety instructions

Upon delivery the unit is already meeting current technical standards therefore it can be safely taken

into operation. Only trained specialists are allowed to work on the unit. Unauthorised personnel must

be prohibited from working on the unit. Operating personnel must inform their superiors immediately if

any malfunction of the unit becomes apparent.

Please note that before starting to work on or with the unit, a procedure must be carried out inside the

cabinet on which the unit is to be mounted.

Before commencing work inside the cabinet, the control cabinet manufacturer's instruction must be

read with regards to:

Safety instructions.

●

Instructions on taking the cabinet out of operation.

●

Instructions on the prevention of unauthorised cabinet reconnection.

●

The electric equipment meets the valid safety regulations. One can find dangerous voltages (above 50

V AC or above 100 V DC)

Behind the control cabinet doors.

●

On the power supply in the unit housing.

●

The unit has to be fused according to the type plate and the wiring diagram, and must be protected

externally from overloading and electrical faults via suitable protective devices such as ground fault

protection breakers.

Danger through incorrect work on the unit

The unit can only be installed and maintained by technical competent and

qualified personnel, using only supplied material according to the supplied

instructions.

󰾬

Danger from electrical voltage

Only specialised personnel are allowed to maintain and clean the unit. The

personnel must ensure that for the duration of the maintenance and cleaning, the

unit is disconnected from the electrical supply.

Attention

Damage to the unit through the use of inappropriate cleaning materials. Please do

not use aggressive cleaning material.

Instruction

Damage to the environment through unauthorised disposal. All spare parts and

associated material must be disposed according to the environmental laws.

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4. Technical information

The cooling unit is intended to be used as a complementary accessory to larger industrial

equipment. The unit is used where heat needs to be dissipated from electrical control cabinets or

similar enclosures in order to protect heat sensitive components. The unit has two completely separate

air circuits which ensure that the clean cabinet air does not come into contact with the ambient air

which may well be dirty or polluted. Control cabinet cooling units can dissipate large quantities of heat

from sealed enclosures such as electrical enclosures into the ambient air and at the same time reduce

the cabinet internal temperature to below that of the ambient air.

The unit can function without problems in extreme ambient conditions (e.g. dusty and oily air) with

a standard operating temperature ranging between -20°C and +55°C. Units can be ordered with an

additional electrical cabinet heater. For the cooling capacities and evironmental ratings please refer to

the type plate data.

Controller

The unit is equipped with a temperature controller which regulates the function of the air-conditioning

cycle. At normal working conditions the display shows the temperature inside the enclosure. The

cooling set point for the interior of the enclosure (parameter St / St1) is pre-set at 35°C and can be

adjusted between +20°C and +50°C. For units equipped with an internal heater the heating set point

(parameter St2) is pre-set at 5°C and can be adjusted between -20°C and +19°C.

To change the cooling set point St/St1:

1. Press ‘Set’ till St/St1 appears on the display.

2. Press the Up/Down buttons to adjust the temperature setting.

3. Press ‘Set’ to save the new setting.

To change the heating set point St2 (Units with internal heater only):

1. Press ‘Set’ till St1 appears on the display and release the button.

2. Press again ‘Set’ till St2 appears on the display.

3. Press the Up/Down buttons to adjust the temperature.

4. Press set to save the new setting.

Important Note: when changing settings ensure that: (St2 + 5K) < St1

The unit also has a potential free high temperature alarm relay (normally closed configuration) that is

pre-set to switch when the enclosure temperature exceeds 55°C. If necessary the alarm relay

configuration and the set point can be changed via the controller’s parameters. Kindly contact your

nearest service / sales partner for further details on how to change these parameters.

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5. Functional principle

The unit functions on the principle of the compression refrigerator. The main components are:

refrigerant compressor, condenser, choke and evaporator. these four components of the refrigerant

plant are connected with each other by pipes to form a hermetically sealed system in which the

refrigerant (R134a) circulates. R134a is chlorine free and has an Ozone Destruction Potential [ODP] of

0 and a Global Warning Potential [GWP] of 1430.

1. Air intake, cabinet side 7. Radial fan, ambient side

2. Radial fan, cabinet side 8. Condenser

3. Evaporator 9. Air outlet, ambient side

4. Air outlet, cabinet side 10. Filter dryer

5. Compressor 11. Capillary pipe

6. Air intake, ambient side

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6. Technical data

Order Number 571000001

Cooling capacity L35L35 1.00 kW @ 50 Hz

1.08 kW @ 60 Hz

Cooling capacity L35L50 660 W @ 50 Hz

720 W @ 60 Hz

Heating capacity 1,000 W (optional)

Compressor Reciprocating compressor

Refrigerant / GWP R134a / 1430

Refrigerant charge 280 g / 10 oz

High / low pressure 30.5 / 6 bar

445 / 88 psig

Temperature range -20°C - +55°C

Air volume flow Ambient air circuit: 320 m³/h

Cabinet air circuit: 375 m³/h

Mounting External

Material housing Mild steel, powder coated

Dimension HxWxD 900 x 304 x 270 mm

Weight 38 kg

Voltage / Frequency 230 V ~ 50/60 Hz

Current L35L35 3.2 A

Starting current 15 A

Max. current 4.7 A

Nominal power L35L35 550 W @ 50 Hz

640 W @ 60 Hz

Max. power 700 W

Fuse 6 A (T)

Connection Connection terminal block

IP 56 (TYPE 12, 3, 3R, 4)

CE, cURus, RoHS

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7. Performance Graph

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8. Mounting

Always disconnect the power supply before opening the unit.

Heat load to be dissipated from enclosure should not exceed specific cooling output of the unit at any

condition. At cooling unit selection always cater for a safety margin of at least 15% extra cooling

output in the worst conditions. Air inlets and outlets must be completely free from obstruction.

Ensure that flows of air leaving and entering the cooling unit, internal and external, are not obstructed.

Cooling unit enclosure air suction hole must be installed in the highest possible point. When installing

the unit on a door ensure it can take the weight.

Before drilling the enclosure ensure the fixing elements and couplings will not interfere with the

equipment inside the enclosure itself. Disconnect power before starting any work inside the enclosure.

Following this 1:1 Scale Drilling Template drill the holes and make the required cuts on the enclosure.

This template may have been affected by storage conditions, please check this template by verifying

values of the largest dimensions before drilling. Fit the sealing strip on the cooling unit on the side

connected to the enclosure and follow the installation diagram.

9. Mounting Principle

1 M6 bolts

2 M6 toothed washers

3 M6 Flat washers

4 Enclosure

5 Mounting gasket

6 Cooling unit

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10. Cut out dimensions

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11. Dimensions (H x W x D)

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