Laird WL 3000 Manuale utente
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WL 3000
User Manual
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CAUTION: READ MANUAL BEFORE OPERATING COOLING UNIT
– Input power must be rated for 230 VAC at 50 or 60 Hz.
– Use water or water/glycol as coolant.
– Run the cooling unit at the correct coolant level,
otherwise cooling capacity will be reduced.
–Cleanthelterperiodically,otherwisethepumpmaydegradeovertime.
– Use cooling hoses that can handle max pressure of liquid circuit and is
resistant to corrosion from coolant.
-–Never operate the unit if it is damaged or leaking.
– Before starting any service work on the cooling unit, please disconnect
from the main power source.
Page 1 / 9
WL 1000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com/thermal
Inlet: O; outlet: O
Coolant inlet and outlet are marked with symbols:
Page 2 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
TabLe of conTenTs
Pg No.
1 Description 2
2 Technical Data 3
2.1 Physical Dimensions 3
2.2 Performance Data 3
2.4 Settings 3
3 Operational Settings 4
4 Maintenance 5
4.1 Heat exchanger 5
4.2 Pump 5
5 Placing out of Operation 6
6 Spare Parts List and Illustration 6
7 Liquid and Electrical Diagram 8
DescripTion
The WL 3000 cooling unit is intended to remove heat from a liquid circuit. The coolant can be either water or a
mixture of water and water-glycol (antifreeze). Water circulates in a closed loop between the ambient cooling system
and a cold plate at the heat source. Heat is removed from water by an air-cooled heat exchanger. The capacity
ambient temperature and the water outlet temperature. The cooling unit is designed to remove 3000 W of heat at
a temperature differential of 11.5°C. The maximum forward pressure is limited by a bypass valve, which has been
rate. Cooling hoses supplied by user are connected to threaded nozzle that can accommodate a 9 mm hose ID.
Note:
Page 3 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
2 TechnicaL DaTa
2.1 physicaL DiMensions
2.2 perforMance DaTa
2.3 environMenTaL specificaTions
2.4 seTTings
Page 4 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
3 operaTionaL seTTings
1. Position the cooling unit horizontally and keep obstructions away from the air inlet to allow
2. Remove the reservoir cap.
3. Connect the external hoses supplied by the user.
4. Insert the cable and connect the cable to the terminals according to the terminal diagram;
use a 3 mm screwdriver to connect the wires to the terminal block.
5. Fill the cooling unit with approximately 3.7 L of coolant.
Note:
cooling performance, otherwise the cooling capacity will be reduced.
8. Close the reservoir cap.
User
ManUaL
Reservoir Cap
Terminal according to diagram
Page 5 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
4 MainTenance
4.1 heaT exchanger
In order to achieve maximum cooling capacity, the heat exchanger of the cooling unit must be kept clean.
Check the heat exchanger every three months for cleanliness. If cleaning is required, perform the following:
1. Disconnect the cooling unit from the main power source.
2. Remove the side cover.
3. Clean the heat exchanger with compressed air, a damp cloth or shop vacuum.
4. Mount the side cover.
4.2 pUMp
then perform the following:
Note:
1. Disconnect the cooling unit from the main power source and external hoses.
2. Drain the coolant from the reservoir.
3. Remove the side cover.
4. Close the ball cock.
Note: Some coolant may run out from the pump. Collect in a suitable container.
8. Open the ball cock.
Note: Do not operate the cooling unit when the ball cock is closed, as this can damage the pump.
9. Mount the side cover and reposition the cooling unit on its legs.
System
Pressure
Page 6 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
Cap
6 spare parTs LisT anD iLLUsTraTion
1 Cap 91729015
2 O-Ring for cap 93320812
3 Flow switch 95140538
4 Thermal switch 95160045
5 Lid 95179902
6 Motor 95205201
7 Pump 95205202
8 Flexible coupling 95205203
9 Fan 95251621
10 Capacitor for fan 95290701
11 Filter 6299012
5 pLacing oUT of operaTion
1. Disconnect the cooling unit from the main power source.
2. Remove the electrical connections.
3. Remove the hoses from the cooling unit.
4. Remove the cap and drain the coolant in a suitable container.
5. Mount the cap on the drain.
Page 7 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
6 spare parTs LisT anD iLLUsTraTion
9
8
4
11
7
6
3
10
6
5
Page 8 / 8
WL 3000
Liquid Cooling System
WL 3000
1201.38ae
Laird Technologies Liquid Cooling Systems
www.lairdtech.com
User
ManUaL
THR-UM-WL-3000 0912
Any information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird Technologies materials
rests with the end user. Laird Technologies makes no warranties as to the fitness, merchantability, suitability or non-infringement of any Laird Technologies materials or products for any specific or general uses. Laird Technologies shall
not be liable for incidental or consequential damages of any kind. All Laird Technologies products are sold pursuant to the Laird Technologies’ Terms and Conditions of sale in effect from time to time, a copy of which will be furnished
upon request. © Copyright 2012 Laird Technologies, Inc. All Rights Reserved. Laird, Laird Technologies, the Laird Technologies Logo, and other marks are trade marks or registered trade marks of Laird Technologies, Inc. or an affiliate
company thereof. Other product or service names may be the property of third parties. Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights.
7 LiqUiD anD eLecTronic scheMaTic
LiqUiD circUiT DiagraM
eLecTronic scheMaTic
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