User manual

The following instructs how to install the Antec KUHLER H2O liquid CPU cooler (620 / 920). For

any other CPU coolers, please consult your manufacturer’s installation guide.

Caution:

Check your motherboard’s CPU socket to ensure its compatibility with the KUHLER H2O. The

KUHLER H2O 620 / 920 is compatible with the following CPU sockets:

Intel® LGA 1155 / 1156 / 1366 / 2011*

AMD® AM2 / AM3 / AM2+ / AM3+ / FM1

*Your unit may not contain the LGA 2011 mounting bracket. To acquire this, please contact

Antec customer support (information listed at end of manual).

**Be sure to install the KUHLER H2O with the end of the tubes positioned at the bottom of the

radiator.

1. Remove the rear fan by first disconnecting

the power connector from the fan power hub

directly above the fan.

Disconnect the 3-pin power connector.

2. Remove the screws on the back of the

chassis while supporting the fan with your

other hand.

Unscrew the rear fan to remove it.