Re-installing your computer power-supply, Filling-up the circuit, Post-installation note: draining the system – Swiftech H20 220 T User Manual

Page 31: Electrical connection: tec to s320-12 power-supply

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Reservoir discharge to pump
inlet

Pump discharge to
Radiator inlet

Radiator discharge to
CPU Water-block
inlet

CPU Water-block
discharge to reservoir
inlet

Loop completed


Connect the tube segments to the components, and secure them with the provided hose-clamps.

E. Re-installing your computer power-supply


Prior to fill-up the circuit, you will need to re-install your power-supply in order to start-up the pump during the fill procedure. You
must be able to start the PSU without it being connected to the motherboard. While the Internet contains numerous references on how
to use a paper-clip to short-out pin 13 and 14 of the 20 pin ATX connector as shown below, we nonetheless recommend instead using
a power-supply tester. A wide variety of these common devices are available on the Internet (Google key word: “PSU tester”), and
among Swiftech resellers (www.frozencpu.com, www.Directron.com, www.newegg.com, etc.).

13

14

F. Filling-up the circuit

• Simply pour the coolant that you prepared into the reservoir – carefully to avoid spills, allowing

the circuit to fill-up by simple gravity. Note: for the gravity to take effect the reservoir should be
placed or held at the highest point of the cooling circuit.

Allow the fluid to fill-up the tubes by gravity AT LEAST past the pump. In effect, the pump
inlet and outlet must be full of fluid in order for the pump to operate properly.

• Once the reservoir is full, seal the fill port back with its cap in order to avoid any spills, and start-

up the pump: the reservoir will quickly (within 1 second) empty itself. Immediately turn off the
pump
as you do not want the pump to run dry (without fluid) which will damage it rapidly;

• Top-off the fluid in the reservoir to the maximum level, and restart the pump. You need to repeat

this operation 3 to 4 times, until the circuit is finally full of coolant.

• Then, allow the system to run 20 to 30 minutes uninterrupted to clear all the micro-bubbles and

foam, and finally top-off the level one last time.

• Your liquid cooling circuit is now ready, and you may permanently install the reservoir.

Allow the system to run for 3 to 6 hours and frequently inspect all your connections for

possible leaks before you electrically reconnect your PC components (motherboard, hard
drives, etc.)

G. Post-installation note: Draining the system


You will need to disconnect a line from one of the lowermost components. Procure a bucket large enough to receive approximately 1
liter of fluid, and place the bucket underneath the connection that you intend to “break”. Disconnect the line, and place both ends into
the bucket.

Do not forget to open up the fill-cap from the MCRES-MICRO to allow the fluid to completely escape.

7. ELECTRICAL CONNECTION: TEC TO S320-12 POWER-SUPPLY


Now that your liquid cooling circuit has been leak proofed, you can safely proceed with the connection of the TEC device to the S320-
12 meanwell power supply.

Copyright Swiftech 2005 – All rights reserved – Last revision date: 12-27-05 - Information subject to change without notice – URL:

http://www.swiftnets.com

Rouchon Industries, Inc., dba Swiftech – 1703 E. 28

th

Street, Signal Hill, CA 90755 – Tel. 562-595-8009 – Fax 562-595-8769 - E Mail: [email protected]

PAGE 31 of 32

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Your TEC module has been measured to draw 18 amps at 12 volts, whereas the S320-12 is rated for 25 amps. If you need to, you
can thus connect other devices to this power supply, drawing up to 6 amps (~70 Watts at 12 volts). Note that the more current you
draw on this unit, the more heat it will develop. Proper ventilation is therefore of the utmost importance to guarantee a long life to
your component.

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