104 Maintenance
External fan replacement
The unit has two external fans (one on each side) which blow air into the main heat
sink.
To replace an external fan:
1. Open the main disconnector and circuit breaker(s) at the AC distribution board.
2. On the -S and -SX models, set the DC switch to the OFF position.
3. If present, open the circuit breakers or external DC switches between the inverter and PV
array(s).
4. Loosen the 2 captive screws which lock the
fan grill.
5. Remove the fan grill.
6. Loosen the locking screw.
7. Remove the fan assembly.
8. Disconnect the fan cable with a flat screw
driver.
9. Connect the fan cable of the new fan.
Make sure that the fan power connector is
correctly in the clip.
10. Align and push the fan assembly into the fan
duct.
Summary of Contents for PRO-33.0-TL Series
Page 1: ...ABB solar inverters Product manual PRO 33 0 TL string inverters ...
Page 4: ......
Page 10: ...10 Table of contents ...
Page 32: ...32 Hardware description ...
Page 40: ...40 Installation requirements ...
Page 70: ...70 Electrical installation ...
Page 74: ...74 Installation checklist ...
Page 110: ...110 Maintenance ...
Page 134: ...134 Navigation map The navigation map ...
Page 136: ...Contact us www abb com solarinverters 3AUA0000123261 Rev B EN 2015 06 18 ...