Lauda UC-140SP, Operation Manual

Page 1: ...OPERATION MANUAL ultracool mini 0140 Indigo Ref MI 080 Rev 1 Date 30 04 03 50 60 Hz ...

Page 2: ... The basic maintenance as indicated in point 5 1 should be carried out by properly trained personnel and if necessary under the supervision of a person qualified for this job ultrafilter personnel or personnel authorised by ultrafilter should carry out any work in the refrigerating or electric circuit during the warranty period After the warranty period the work must be carried out by qualified pe...

Page 3: ...rt up of the ultracool unit 7 3 3 Chiller strat up 8 4 Control Panel 4 1 Components of the control panel 9 4 2 Control thermostat 10 4 2 1 Operation 10 5 Maintenance 5 1 Basic maintenance 11 6 Troubleshooting 6 1 Possible causes of defaults 12 7 Technical Features 7 1 Technical Features 14 8 Log Book 8 1 Log Book 15 9 Annexes 9 1 Water Quality 16 10 Spare Parts 10 1 Spare parts 17 11 Technical Dia...

Page 4: ...nded application in order to undertake additional safety measures if necessary 1 2 Safety regulations The operator has to observe the national working operating and safety regulations Also existing internal factory regulations must be met Maintenance and repair work must only be carried out by specially trained personnel and if necessary under supervision of a person qualified for this work Protec...

Page 5: ... compressor The ultracool unit must be transported by palet jack or forklift truck 2 3 Site The ultracool unit must be installed in an atmosphere where the range of temperatures is within the indicated margins mentioned in point 3 1 For ambient temperatures lower than 5ºC 41ºF it is necessary to add ethylene glycol to the water of the circuit as indicated in point 2 4 We recommend the installation...

Page 6: ... installation the concentration of ethylene glycol should be checked Do not use automotive antifreeze Use lab grade ethylene glycol or refrifluid only Do not use an ethylene glycol concentration above the 30 this would damage the water pump 2 5 Identification Labels on the ultracool unit You can find the following labels stuck on the ultracool unit Water inlet from the installation to the ultracoo...

Page 7: ...er outlet of the ultracool unit and a solenoid valve in the water inlet The supply of this solenoid valve will be carried out by terminals designed for that purpose see electrical diagrams 2 7 Electrical Connection The electrical design of the ultracool complies with UL 471 and EN 60204 norms The electrical supply is 400V 3 50Hz or 230V 3 60Hz depending on the version It must be checked that the s...

Page 8: ...e of the ambient air Nominal 25ºC 77ºF Minimum 15ºC 5ºF 2 Maximum 50ºC 122ºF 1 For ambient temperatures below 5ºC 40ºF it is necessary to add ethylene glycol to the water of the circuit see point 2 4 3 2 Before start up of the ultracool unit Clean the application water circuit with tap water in order to be sure that there are no free particles Otherwise the filter elements can block up during the ...

Page 9: ...tial start up To do so start and stop the ultracool unit using the On Off switch it is easier to see the turn direction when the pump is stopping In the case of the pump rotating in the opposite direction from the indicated it will be necessary to exchange two phases in the main power supply It will not be necessary to check the turn direction of the fans because they are delivered in phase with t...

Page 10: ... when the compressor is working 7 Water level alarm indicator this is lit when the water level in the tank is too low It causes the ultracool unit to stop 8 Low flow temperature control indicator This flow control can stop the compressor when there is no water circulation through the external water circuit In this case some flow still circulates inside the chiller The temperature control can also ...

Page 11: ...e probe In the 50Hz version the display shows the temperature in ºC and in the 60Hz version it shows it in ºF as depicted above Setting the temperature Follow these steps to introduce the required working temperature Hold down for 2 seconds the button SEL and the current set temperature will start flashing To increase or to decrease the value of the setpoint use the UP and DOWN buttons Press SEL a...

Page 12: ...er filter if the pressure drop exceeds 0 5 bar 8 psi change the filter element Monthly With the Unit disconnected Main power switch Off clean the condenser with a blast of compressed air from the inside towards the outside Clean the housing internally and externally eliminating the dust present especially on the water pump rack Yearly Change the filter element and refill the water circuit with cle...

Page 13: ...cation stopped Check the motor fan fuses If the problem persists contact authorised technical service Disconnect the chiller On Off and Main power switch both Off see point 4 Open the front panel of the chiller and reset the High pressure safety switch SHP by pressing its button Turn both the Main power switch and the On Off switch back on Alarm due to low pressure of the refrigerant Gas leakage C...

Page 14: ... following codes LO HI E0 Er2 EE The temperature has been below the setpoint for some minutes The temperature has been above the setpoint for some minutes Thermostat or temperature sensor is faulty If the compressor is stopped the water temperature will rise to normal eventually If the compressor is still running contact authorised technical service Check that the cold water setpoint is within the...

Page 15: ...85 kW 1 1 1 0 max flow 4000 17 6 4000 17 6 min flow l h US gal min 400 1 8 400 1 8 max pres 6 3 91 6 3 91 Water pump min pres bar psi 3 3 48 3 3 48 Water tank volume litre US gal 100 26 100 26 Water connections 1 BSP 1 NPT Front mm in 845 33 845 33 Depth mm in 990 39 990 39 Dimensions Height mm in 1235 49 1235 49 Weight kg lb 260 573 260 573 Power kW 5 8 7 3 Max Current A 16 30 Voltage V P Hz 400 ...

Page 16: ... 15 8 Log Book 8 Log Book 8 1 Log Book Date Remarks Signature UC 140 INDIGO 50 60Hz 29 01 03 rev 0 ...

Page 17: ...below 50 µS cm The product refrifluid supplied by ultrafilter includes in its composition an anticorrosive bactericide and antifreeze until 7ºC 19 4 ºF It has the following characteristics Parameter Limit values pH 7 5 Total Hardness TH 30 ppm Conductivity 50 µS cm NH3 0 ppm Total iron ions Fe 2 and Fe 3 0 2 ppm Chloride Cl 1 ppm H2S 0 ppm Solid particles 50 µm A concentration of ethylene glycol h...

Page 18: ...26003 E5326003 Sight glass 1 0107397000 0107397000 Refrigerant gas kg lb 14 31 R 134a R 134a Level control 1 E4202004 E4202004 Water by pass 1 E2301002 E2301002 Pump pressure gauge 1 E5544014 E5544022 Compressor contactor 1 E4242022S E4242024S Pump contactor 1 E4251402S E4251402S Motor fan contactor 1 E4251402S E4251402S Pump s circuit breaker 1 E4266034 E4266038 Motor fan s fuse carrier 1 E422142...

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