1-176 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
Replacing cooling unit NTRX91AA
(end)
Replacing cooling unit NTRX91AA
At your current location
1
To make sure that the cooling unit fans are off, remove the two fuses on the
faceplate of the modular supervisory panel (MSP).
2
Turn the two knobs on the front panel of the cooling unit counter-clockwise.
Slide the cooling unit out.
3
Slide in the new cooling unit (NTRX91AA) until both sides lock into place.
4
Replace the two fuses that you removed in step 1.
5
The procedure is complete.
DANGER
To prevent overheating
Do not turn off the cooling unit for longer than 30 mins.