Laird OL 4503, Specification And User Manual

Page 1: ...OL 4503 Oil Air Cooling Unit Specification and User Manual Version 3 5...

Page 2: ...aird All specifications are subject to change without notice Laird assumes no responsibility and disclaims all liability for losses or damages resulting from use of or reliance on this information All...

Page 3: ...gnaling Equipment included in the Unit 11 3 10 Guards 12 3 11 Caution Labels 13 3 12 In Case of Accidents 13 3 12 1 First aid at accidents with oil 13 4 Product Description 14 4 1 Intended Use 14 4 2...

Page 4: ...gle type Safety Valve 25 7 6 Setting the Thermostat 26 8 Disruptions 27 8 1 Disruption in Operation 27 8 2 Trouble Shooting 27 9 Maintenance and Cleaning 28 9 1 Maintenance Schedule 28 9 2 Cleaning of...

Page 5: ...3 0 29 jun 17 Updated format H Sharef All 3 1 24 apr 18 Updated safety valve A Wolf p 25 34 3 2 07 Jun 19 Pump capacity changed O Lundqvist p 16 3 3 04 Sep 20 Specs for Shell Diala updated to S4 from...

Page 6: ...nstallation 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 safet...

Page 7: ...on 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...

Page 8: ...mber 1264 00 Table 1 Unit specifications 2 2 Identification Plate The identification plate is attached to the front side of the unit see Fig 1 Fig 1 Position of identification plate 1 Identification p...

Page 9: ...idual 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...

Page 10: ...ell as any regional regulations 3 5 Hints Regarding the Electrical Equipment When working on electrical installations the following principles should be observed Works on the electrical installations...

Page 11: ...uipment listed below must be integrated in the local control environment by the customer unless otherwise noted These works must be carried out only by trained experts All required information can be...

Page 12: ...emoved 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 wren...

Page 13: ...r 3 12 In Case of Accidents Should you or another person be injured when working with the unit Stay calm Render first aid Call the company first aider without exception 3 12 1 First aid at accidents w...

Page 14: ...rdous situations may occur Operation of the unit is not allowed 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...

Page 15: ...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 exchang...

Page 16: ...outlet temperature and the ambient air temperature Pump capacity 20 lpm at 4 7 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 Perform...

Page 17: ...rough unsuitable environmental conditions Damage to property and corrosion damage may result and are not covered by manufacturer s liability The unit is only authorized for use in indoor environments...

Page 18: ...ice Use a forklift or jack lift for transportation to the installation location CAUTION Risk of damage by improper transportation Transport the unit in upright position Do not tilt the unit or expose...

Page 19: ...er Safety Regulations on page 9 6 2 Setting to Work 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 chap...

Page 20: ...s 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 a...

Page 21: ...mp respectively 4 Connect the hoses to the corresponding nipples of the device to be cooled NOTE When connecting the cooling hoses pay attention to flow direction Follow the documentation released by...

Page 22: ...lectrical connection as well as the integration into the safety circuit of the device to be cooled are the customer s responsibility and must be accomplished by expert staff Required information can b...

Page 23: ...y electrical shock caused by improperly mounted grounding washer Mount the grounding washer at the position of one of the four screws securing the unit cover Make sure that the screws are properly tig...

Page 24: ...it about 1 minute prior to operation of the device to be cooled using the appropriate control of that device 1 Check the compliance with the operational data according to the specifications listed on...

Page 25: ...the Angle type Safety Valve NOTE A small amount of oil may leak from the valve The unit is switched off 1 Carry out pressure adjustment with hexagonal wrench key 2 Turning clockwise increases pressur...

Page 26: ...nob 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 Th...

Page 27: ...be cooled Wiring diagram Flow scheme Trouble shooting table given below Problem Possible reason Countermeasure The unit does not start Mains cable plugged in Insert mains plug page 22 The unit is run...

Page 28: ...exchanger follow these steps 2 Switch off the unit 3 Unscrew the four screws holding the unit cover with a AF10 wrench and remove the cover 4 Clean the heat exchanger using compressed air opposite to...

Page 29: ...29 10 Repair NOTE Do not carry out any repair work on the unit Send the unit back to the LAIRD service department for contact see page 7...

Page 30: ...e 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 operation cap from the coolant container 2 Attach the transport...

Page 31: ...operating materials are disposed of or recycled according to local regulations Also the safety specifications of the coolant manufacturer must be obeyed 11 6 Return of the unit to Laird Thermal System...

Page 32: ...Laird Thermal Systems 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 numbe...

Page 33: ...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 3870...

Page 34: ...Addendum Performance Chart Cooling capacity versus difference between entering air and supplied coolant temperatures 10 15 20 25 30 2 5 3 3 5 4 4 5 5 5 5 6 6 5 Leistung KW t Temp Lufteintritt l Vorlau...

Page 35: ...35 Flow Scheme...

Page 36: ...36 Wiring Diagram...