Pump relay switch kit installation guide.


warning¡ always disconnect from A/C power source while working with electrical devices !
damage to computer components and possible bodily harm can occur if this products is used improperly !

find a suitable placement for the pump's A/C socket. leave sufficient room under or above the hole to install the pump switch circuit board . a 1/4 minium clearance will be required beteween the circuit board and the edge of the hole .

make a 1.25 (32mm ) diameter hole in the cause , using a 1 1/4 . bi-metal hole saw . deburr the edges of he hole with sand paper .

position and center the mounting plate over he hola as a template to mark the location of the plate's mounting screws . drill 2 holes of . 125 diameter for the mounting screws . install the mounting plate using the screws provided with your kit .

insert the A/C socket inside the mounting plate

proceed with electrical conections as described in the diagram to the right . for normal operation , the L wire from the socket is connected to the N/O ( normally open ) position of the switch . this means that when the computer is off , there is no current from the power supply to the switch , and the relay is opened , disallowing A/C to the pump .
conversely , as soon as you turn the computer on , the switch become energized by the power supply , and the relay closes , allowing A/C current to the pass to the pump .
for maintenance operations , if you want to turn the pump on without operations , if you want to turn the pump on without operating the rest of the computer , you may temporarily connect the L wire to the N/C ( normally closed position . this is particulary useful for filling and bleeding the circuit , as you wouldn't want the computer running while th cooling circuit is not completely operational .

WARning : do not forget to reconnetc to N/O once you are ready to run the computer :if you leave the L wire connect to N/C , the pump will shut off as the relay is energized by the power supply




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espero vuestras respuestas con muxo agradecimiento
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