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Ground Fault Protection
975-0289-01-01
3–25
To replace the ground fault protection fuse:
1. Remove the five Phillips screws on the top of the inverter and lift off
the panel to expose the terminals, as shown in Figure 3-22.
2. Locate the PV ground fault protection fuse.
3. Using a slot blade screwdriver, carefully remove the blown fuse by
pushing the fuse cap, turning it counter clockwise (a quarter turn
only), and pulling out the fuse holder from the receptacle.
4. Replace the fuse with a new Littelfuse 5mm×20mm fuse rated 1A
250 Vac slow blow (or equivalent).
5. Return the fuse holder with the new fuse back into the receptacle and
using a slot blade screwdriver, carefully push the fuse cap while
turning it clockwise (a quarter turn only).
6. Replace the panel on the top of the inverter and tighten all five screws
securely.
Figure 3-22
Replacing Ground Fault Protection Fuse
Remove the 5 #6-32
Phillips screws on
the top of the
inverter. Lift off the
panel to expose the
terminals.
PV Ground Fault
Protection Fuse
BEFORE REMOVING INVERTER COVER:
Check to ensure the AC Indicator LED is NOT
illuminated and that there are absolutely no
sources of power connected to the PowerHub.
AC Indicator LED
975-0289-01-01(PowerHub_1800_IG).book Page 25 Thursday, June 4, 2015 9:49 AM
Summary of Contents for PH1800-GFP
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