Laird OL 4503 Operation Manual Download Page 5

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Table of Contents

Laird Technologies GmbH

Operation Manual (Translation)

Date: 06-Jul-2015

Version: 2.0

Oil-Air Cooling Unit OL 4503

1264.00

Addendum

............................................................................................................................................. 34

Performance chart

....................................................................................................................................... 34

Flow scheme

................................................................................................................................................. 35

Wiring diagram

.............................................................................................................................................. 36

History of Changes

Date

Index

Reason for Change

Name

Page

29-Nov-13

1.0

First version

Edom/Pfeiffer

06-Jul-15

2.0

Spare part numbers changed

Dany/Bitenaite

p. 33

Summary of Contents for OL 4503

Page 1: ...Operation Manual Oil Air Cooling Unit OL 4503 Version 2 0 ...

Page 2: ...ation or posting of its contents is not permitted unless formally granted Violations entail claims for compensation All copyrights including rights due to patent grant or registration of a utility model or design are reserved All product names used in this manual are trademarks of the corresponding manufacturers Technical modifications subject to change ...

Page 3: ... 3 2 Hints Regarding the Electrical Equipment 10 3 3 3 Environmental Issues 11 3 3 4 Protective Clothing 11 3 4 Safety Equipment 11 3 4 1 Safety and Signalling Equipment included in the Unit 11 3 4 2 Guards 12 3 4 3 Caution Label 13 3 5 In Case of Accidents 13 4 Product Description 14 4 1 Intended Use 14 4 2 Non Conformity with the Intended Use 14 4 3 Unit Components 15 4 4 Specifications 16 4 5 S...

Page 4: ...s for Controlling the Unit 24 7 2 Switching on the Unit 24 7 3 Switching off the Unit 24 7 4 Settings 25 7 4 1 Pressure Setting on the Angle type Safety Valve 25 7 4 2 Setting the Thermostat 26 8 Disruptions 27 8 1 Disrupt Operation 27 8 1 1 Trouble Shooting 27 9 Maintenance and Cleaning 28 9 1 Maintenance Schedule 28 9 2 Cleaning of Heat Exchanger 28 9 3 Refilling of Coolant 28 9 4 Cleaning of Un...

Page 5: ...ul 2015 Version 2 0 Oil Air Cooling Unit OL 4503 1264 00 Addendum 34 Performance chart 34 Flow scheme 35 Wiring diagram 36 History of Changes Date Index Reason for Change Name Page 29 Nov 13 1 0 First version Edom Pfeiffer 06 Jul 15 2 0 Spare part numbers changed Dany Bitenaite p 33 ...

Page 6: ...n case of one of the following situations Use of the unit in an unintended way Inaccurate installation putting into service operation repair or maintenance of the product by people that are not fully authorized Use of the product despite of defect wrongly implemented or non functional safety devices or protective gear Unauthorized or forbidden modifications by the user concerning the electrical eq...

Page 7: ...unit please use the contact information given below Always communicate the following Your name and address Name of contact at your address Product data as on identification plate Type of unit serial number and year of manufacture Company contact Mail Laird Technologies GmbH Borsigstrasse 1 D 24568 Kaltenkirchen Deutschland Internet http www lairdtech com E Mail info lcs lairdtech com Phone 49 4191...

Page 8: ...ogies GmbH Type of product Oil air cooler Type of unit OL 4503 Article number 1264 00 Table 1 Unit specifications 2 2 Identification Plate The identification plate is attached on the top of the coolant container below the unit cover Fig 1 Position of identification plate 1 Identification plate Fig 2 Unit specific identification plate 1 Unit type 2 Article number 3 Serial number 4 Electrical specif...

Page 9: ...ance may lead to reversible injuries or to damage to property 3 2 Safety Symbols In this Operation Manual concrete safety instructions are given in order to point out unpreventable residual risks when operating the unit These risks include danger for Human beings The unit and other equipment The environment The safety symbols used in this manual are indicated below The main reason for their use is...

Page 10: ...nizable change concerning the unit should be reported to the responsible person Stick to accident prevention regulations as well as any regional regulations 3 3 2 Hints Regarding the Electrical Equipment DANGER Danger to life through electrical shock when working on the electrical equipment of the unit Switch off the unit before starting your work Disconnect the unit from mains by pulling the main...

Page 11: ...r safety gloves made of PVC neoprene or nitrile rubber 3 4 Safety Equipment PLEASE NOTE The safety equipment listed below must be integrated in the local control environment by the customer unless otherwise noted These tasks must be carried out solely by trained experts All information required can be taken from the wiring diagram shown in the addendum Safety equipment must not be modified removed...

Page 12: ...itch 3 Angle type safety valve 4 Inspection glass level indicator 3 4 2 Guards Direct access to hazardous parts or areas of the unit is restricted by the unit cover The cover may only be removed for the purpose of maintenance or repair works and shall be replaced prior to taking the unit back to operation The cover is fixed by four screws which can be unscrewed using a metric AF10 wrench Fig 4 Gua...

Page 13: ...delay Fig 5 Caution labels on the unit 1 Hint for using the correct cap on oil filler 3 5 In Case of Accidents Should you or an other person be injured when working with the unit Stay calm Give first aid Call the company s first aider without exception First aid at accidents with oil The unit employs oil as a coolant in a closed loop configuration In case of damage oil can leak from the circuit an...

Page 14: ...t compliant with the intended use hazardous situations may occur Operation of the unit is not permitted under the following conditions The unit is used for a purpose other than the one it is intended for The unit or parts of it are damaged the electrical installation is not correct or the insulation is broken Protective or safety equipment is not functional or defect improperly installed or missin...

Page 15: ...ooling circuit 2 Coolant container 3 Sheet metal hood Cooling Circuit In the cooling circuit the coolant i e the oil is driven by the pump to the device that is to be cooled and back via the return flow The heat is dissipated into the ambient air by an air cooled heat exchanger Exceedance of the maximum pump pressure is prevented by a bypass circuit The oil temperature is controlled by an electron...

Page 16: ...formance data Cooling capacity 4500 Watts at 22 8 K difference between the oil outlet temperature and the ambient air temperature Pump capacity 22 lpm at 3 5 bar Mains voltage 230 VAC 10 50 60 Hz Power input 785 Watts Pmax 230 V 50 Hz 1058 Watts Pmax 230 V 60 Hz Table 5 Performance data Environmental conditions Operating temperature 10 C 40 C Storage temperature 25 C 70 C Relative humidity 20 90 T...

Page 17: ...nstalled without sharp bends 4 5 2 Environmental Conditions CAUTION Risk of damage through unsuitable environmental conditions Damage to the unit and corrosion damage may result and are not covered by manufacturer s liability The unit is only authorized for use in indoor environments The unit must not be stored or operated in agressive humid environments The unit must not be stored or operated out...

Page 18: ...e unit in upright position Do not tilt the unit or expose it to impacts 5 2 Transportation of the unit The unit is delivered shrinked in foil on a transportable pallet Leave the unit on the pallet until bringing it into service Use a forklift or jacklift for transportation to the installation location 5 3 Unpacking Remove the foil before setting up the unit Inspect the unit with regard to Damage c...

Page 19: ...made Nobody is endangered by the start up of the unit Please follow the rules in chapter Safety Regulations on page 9 6 2 Setting to Work 6 2 1 Placement Fig 8 Minimum clearance for air entrance and air exit 1 Ventilation grid 1 Move the unit to its installation location as mentioned in chapter 5 2 2 Place the unit in a way that air entrance and air exit are not obstructed Wall clearance must not ...

Page 20: ...ficient burst strength and compatibility with coolant Only use cooling hoses without any signs of damage The cooling hoses are connected to the unit by means of screwed hose nipples Oil inlet and oil outlet are indicated with respective symbols Fig 9 Labelling of oil inlet and oil outlet PLEASE NOTE When operating the unit make sure only to use the operation coolant container cap This cap allows f...

Page 21: ...he hose nipples for oil inlet and oil outlet and secure it with a hose clamp respectively 4 Connect the hoses to the corresponding nipples of the device to be cooled PLEASE NOTE When connecting the cooling hoses pay attention to flow direction Follow the documentation released by the manufacturer of the device to be cooled 5 Remove the transportation cap on the coolant container using an appropria...

Page 22: ...it of the device to be cooled will lead to the inoperativeness of the safety equipment listed in chapter 3 4 All required connections must be incorporated according to the wiring diagram shown in the addendum Ensure that all connected safety equipment is properly functioning All tasks should be carried out only by expert staff PLEASE NOTE The unit is delivered without a mains cable The electrical ...

Page 23: ...eck the filling level using the inspection glass Fill up oil if required until a liquid level in the center of the inspection glass Use a funnel in order not to moisten any current carrying components with oil 8 Remount the unit cover DANGER Danger to life by electrical shock caused by improperly mounted grounding washer Mount the grounding washer at the position of one of the four screws securing...

Page 24: ...nly when the oil filling indication on the coolant container is correct Check the oil filling indication regularly Also pay attention to the hints given in the chapter Safety indications on page 9 7 2 Switching on the Unit The unit is ready for switching on 1 Switch on the unit about 1 minute prior to operation of the device to be cooled using the appropriate control of that device 2 Check the com...

Page 25: ... Safety Valve PLEASE NOTE A small amount of oil may leak from the valve The unit is switched off 1 Loosen cover nut using a metric AF36 wrench and dismount Use second wrench of the same size at point 4 in Fig 10 for holding the valve in place 2 Loosen counter nut by turning it anticlockwise use a AF36 wrench 3 Set adjusting screw to the pressure value required Screwing in will increase the pressur...

Page 26: ...oling Unit OL 4503 1264 00 7 4 2 Setting the Thermostat Fig 12 Thermostat 1 Knob of thermostat Increase the temperature setpoint 1 Turn the knob clockwise The switch off temperature is set to a higher value Decrease the temperature setpoint 1 Turn the knob counter clockwise The switch off temperature is set to a lower value 1 ...

Page 27: ...ng Alarm and error signalling within the safety circuit of the device to be cooled Wiring diagram Flow scheme Trouble shooting table see below Problem Possible reason Countermeasure The unit does not start Mains cable plugged in Insert mains plug page 22 The unit is running but cooling capacity is not available or too low External hoses sharply bent Pay attention to smooth bends when hoses are con...

Page 28: ...udiness or floating particles Inspection glass on coolant container Operating personnel Table 10 Maintenance schedule 9 2 Cleaning of Heat Exchanger Cooling capacity is reduced to a large extend if the heat exchanger is polluted The heat exchanger must be checked for pollution regularly and be cleaned if required For cleaning the heat exchanger follow these steps 1 Switch off the unit 2 Unscrew th...

Page 29: ...rosion may occur as result of a damaged paint film For cleaning the device casing only use mild cleaning agents e g dish washing detergents Use clean and lintless cloth for cleaning Regularly remove dirt from the casing of the unit to prevent corrosion damage and clogging of the air grids Pay attention that all the labels at the unit are always clean and legible 10 Repair PLEASE NOTE Do not carry ...

Page 30: ...lected and disposed of according to applicable regulations 7 Re attach the drain screw and clean the unit The unit is placed out of operation 11 2 Re packaging the Unit In order to prevent spilling of residual coolant from the coolant container during transport the transport cap must be attached The unit has been switched off emptied see chaper 11 1 and the unit cover has been removed 1 Remove the...

Page 31: ...of end of life units see company contact on page 7 or ask a company destined for disposal and recycling 11 5 Disposal of Operating Materials The operating materials of the unit can be hazardous to the environment and to health Make sure the operating materials are disposed of or recycled according to local regulations Also the safety specifications of the coolant manufacturer must be obeyed 11 6 R...

Page 32: ... of damages caused by the use of spare parts made by manufacturers other than LAIRD PLEASE NOTE Identification data concerning the unit and spare parts The type of unit and the article number can be found on the identification plate of the unit The corresponding numbers shown in drawings 12 and 13 as well as the part description are listed in the spare part list table 11 Please direct your inquiri...

Page 33: ...ription Article No 1 1 Motor pump unit KA1 26 230 2 95205237 00 2 1 Thermostat AMFS 13 95160001 00 3 1 Axial fan S4E 330 AP 18 31 95251655 00 4 1 Starter capacitor for fan 95290709 00 5 1 Starter capacitor for pump 95290735 00 6 1 Stop valve 96521001 00 7 1 Angle type safety valve 96121014 00 8 1 Inspection glass 93300201 00 9 1 Flow switch 95140572 00 10 1 Control head for flow switch 95140567 00...

Page 34: ... Jul 2015 Version 2 0 Oil Air Cooling Unit OL 4503 1264 00 Addendum Performance chart Cooling capacity versus difference between entering air and supplied coolant temperatures Leistungsdiagramm OL 4503 10 15 20 25 30 2 5 3 3 5 4 4 5 5 5 5 6 6 5 Leistung KW D t Temp Lufteintritt Öl Vorlauf C ...

Page 35: ...Addendum Flow scheme 35 Laird Technologies GmbH Operation Manual Translation Date 06 Jul 2015 Version 2 0 Oil Air Cooling Unit OL 4503 1264 00 Flow scheme ...

Page 36: ...Addendum Wiring diagram 36 Laird Technologies GmbH Operation Manual Translation Date 06 Jul 2015 Version 2 0 Oil Air Cooling Unit OL 4503 1264 00 Wiring diagram ...

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