H6 Hybrid Inverter - Installation & Operation Guide
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10.5.2 - Fan
The SolarCity H6 inverter includes an internal fan for stabilizing hot air within the inverter.
This fan is secured inside the wiring box with four (4) screws. This fan must be replaced as
soon as reasonably practical if it is not working properly in order to prevent possible inverter
overheating. To replace the fan:
1. Turn the DC Disconnect Switch to the OFF position. If the battery pack includes a DC
disconnect, then turn that switch OFF as well.
2. Move the external AC disconnect / back-feed breaker in the main electrical panel to the
OFF position.
3. Remove the wiring box cover as described in
“Remove Wiring Box Cover” on page 59
.
4. Unplug the fan power cable from the fan connector (#3 in
Figure 10-3
).
5. Use a Torx head screwdriver to remove the two fan screws (4).
6. Remove the old fan (5) and bracket.
7. Remove the screws securing the old fan to the bracket.
8. Secure the new fan to the bracket using the screws you removed in Step 8.
9. Hold the fan and bracket in position inside the wiring box, and then use a Torx head
screwdriver to replace the two fan screws (#4). Do not over-tighten.
10. Pug the fan power cable into the fan connector.
11. Replace the wiring box cover as described in
“Refit Wiring Box Cover” on page 60
.
12. Close the wiring box cover by tightening the four (4) screws
13. Move the external AC disconnect / back-feed breaker in the main electrical panel to the
ON position.
14. Turn the DC Disconnect Switch to the ON position. If the battery pack includes a DC
disconnect, then turn that switch ON as well.
15. Verify that the SolarCity H6 inverter and battery pack are functioning normally.
10.5.3 - PLC Transmitter
The SolarCity H6 inverter may include a separate PLC Transmitter box (as shown below) or a
PLC Transmitter that is integrated in the inverter. The PLC Transmitter sends shutdown
commands to the Remote Shutdown Slaves (RSS) when the Fireman Switch is activated.
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