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O P E R A T I N G I N S T R U C T I O N S
CPU Water Cooling
"Thermaltake PW850i"
Item-No. 87 12 66
Intended Use
The product is intended to cool a CPU with CPU of the Intel LGA775/478 or AMD AM2/AM2+/K8
socket type.
This product complies with the applicable National and European requirements. All names of
companies and products are the trademarks of the respective owner. All rights reserved.
Included in the package
• Pump with expansion tank
• Radiator with fan
• Installation material
• Thermally conductive paste
• Cooling agent
• Original manufacturer instructions with many illustrations
• Short instructions
Safety Instructions
If in doubt about how to install the CPU cooler correctly, please contact an
expert or a specialist workshop and let them do the installation! This is a
much cheaper alternative than a damaged CPU and a faulty motherboard!
Damaged CPUs or motherboards (broken pins, deep scratches next to the
CPU socket or similar) are not covered by the guarantee!
In the event the CPU cooler is incorrectly installed, the cooling effect will not
be sufficient and the CPU will be damaged after a short time due to over-
heating. This is not covered by the guarantee!
Caution, lethal hazard!
Switch off your PC and disconnect it from the mains voltage. Unplug the
mains plug! Just switching off at the mains switch is not sufficient!
The product is not a toy. Keep away from children.
In the case of improper handling of the thermally conductive paste, there is a health
risk (mouth/eye contact with heat transfer compound!).
If the skin comes into contact with the heat transfer compound, it can be wiped off
with a dry cloth. Then thoroughly clean the spot with warm water and soap.
If there is any contact with the eyes, the affected eye has to be cleaned instantly
with warm water. Then consult a doctor immediately!
Installation
The manufacturer "Thermaltake" recommends the whole cooling system is assem-
bled outside of the computer (cooling hoses) first before filling; afterwards it has to
be examined for leakages.
This prevents the cooling fluid from entering the computer if it is faulty assembled
(e.g. leakage from the hoses).
There is not only the risk here of destroying the PC components, but an electric
shock could also occur (metal shavings, for example, entering the PC power unit).
For safety reasons, therefore, we recommend the product is only installed in
computer housings where the power unit is located above the cooling system.
The procedure depends on whether you would like to use the CPU cooler to replace an "older"
CPU cooler or whether you want to assemble a new PC.
To replace an old CPU cooler, open the PC housing and remove the motherboard and the old
CPU cooler.
Thoroughly clean the CPU surface by removing residues from heat transfer compounds or heat
transfer foil. Please, only use a soft material (e.g. a clean, soft cloth), but be very carefully, oth-
erwise the CPU may be destroyed!
When assembling a new PC, position the lever of the CPU socket vertically, insert the CPU cor-
rectly (and carefully) and close the CPU socket again. Never touch any contacts on the
CPU/socket!
All manuals and user guides at all-guides.com
Position the motherboard on a smooth, flat and level service. Place a sheet of cardboard
www.conrad.com
between the motherboard and the surface, to protect the surface (e.g. writing table).
The installation varies, depending on the CPU you use. You will find clear appropriate illustra-
tions in the manufacturer's instructions.
Version 05/09
As a matter of principle, the right installation material has to be used, depending on CPU.
°
Otherwise the CPU cooler cannot be installed or you may damage the motherboard as well as
the CPU!
Apply a thin layer of heat transfer compound on to the CPU, about 0.1 mm to 0.2 mm is suffi-
cient. Spread the heat transfer compound over the entire top metal surface of the CPU, e.g. with
a small piece of cardboard.
Now, install the CPU cooler as described in the manufacturer's manual.
Insert the motherboard into the computer casing and fasten it with screws at the places pro-
vided.
Mount the radiator with fan at an appropriate location within the computer casing. The same
applies for the pump with the expansion tank.
Connect the power lines for the fan and pump to the appropriate connections on the mother-
board or the PC power unit; see original manufacturer documentation.
Lay all cables in a way so that they cannot get into a fan on the PC (use cable fasteners).
Make sure the hoses are not bent or squeezed since this can cause overheating of the CPU due
to a lack of coolant!
When assembling a new computer, install the other computer components such as graphics
card, hard disks etc.
Tips and Instructions
• Should the CPU cooler ever be removed from your PC, all residues of old heat transfer com-
• There should only be a thin coat of heat transfer compound between the CPU and the cooling
• Never place, for example, a temperature sensor between the CPU and the heat sink! Poor heat
• When transporting the computer, keep it in the same position as during normal operation.
• Check the fluid level in the cooling system regularly.
Disposal
© Copyright 2009 by Conrad Electronic SE.
Too much or too little heat transfer compound reduces the cooling effect. The CPU
might overheat and be destroyed!
Do not fasten the motherboard on the CPU cooler, this will cause the cooler to
loosen from the motherboard or the CPU socket may be damaged.
pound should be completely removed, before the new CPU cooler and CPU are installed.
The heat transfer compound is only suitable for one-off use! The material
changes due to the effect of heat. This is why you always need to be apply
new heat transfer compound when reinstalling the CPU cooler.
element, approx. 0.1-0.2 mm suffices. The heat transfer compound must be applied on the
entire top metal surface.
conduction due to the large distance between the CPU and heat sink will result in the destruc-
tion of the CPU! The warranty will be void!
Always attach a temperature sensor on the side of the CPU cooler, so it is not positioned
between the CPU and the heat sink.
Cooling fluid may leak from the system if it is placed in another operating position. When ship-
ping the computer, the cooling circuit must be emptied for safety reasons!
Please dispose of the product, when it is no longer of use, according to the current
statutory requirements.
The heat transfer compound must not be disposed of in the domestic waste, dis-
pose of the residues as hazardous waste (e.g. appropriate collection stations in
your municipality).
These operating instructions are a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240
Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or
the capture in electronic data processing systems require the prior written approval by the editor.
Reprinting, also in part, is prohibited.
These operating instructions represent the technical status at the time of printing. Changes in
technology and equipment reserved.
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