Crystal Vision
Installation
Indigo 4 CoolFlow front panel hardware settings – cooling mode
The two modes are normal (auto) and maximum cooling.
Switch 1 of the four-position DIL switch controls the two cooling modes as follows:
Levers 1
Function
Notes
1 up
Normal (auto)
cooling
Both fans in each section run continuously increasing in
speed as the temperature inside the frame goes up. When the
frame temperature is below approximately 30°C the panel
fans run at minimum speed. If the frame temperature goes
above 30°C the fan speed will increase to maintain adequate
cooling.
1 down
Max cooling
mode
In Maximum cooling mode both front panel fans in each
section run at maximum speed. This mode is ideal for
equipment bays where noise is not a concern.
Note:
Auto mode is dependent on PSUs and PSU fans not being in an alarm state.
If one of the fans should fail, the closed frame can still operate indefinitely with an
ambient temperature of up to 40°C.
Although only one of the fans is essential in each of the upper and lower sections for
normal operation, a faulty fan should be replaced as soon as practical to prevent the
long-term stressing of the modules
Warning:
Although it is possible to operate the frame with the front panel open, the frame may not
meet electromagnetic compatibility (EMC) requirements in this condition.
Indigo 4 CoolFlow User Manual R1.7
32
03/12/2012
