EdgeStar AP550Z User Manual

Troubleshooting and reconnecting wires to the “compressor capacitor” on the
AP550Z
Tools required:
Phillips screwdriver
The problem:
If the AP550Z was recently shipped or roughly moved, it may have one of two problems:
The fan to the interior of the room turns on, but the air blown out of it is room temperature. Or,
The unit blows the circuit breaker it is run on
Warnings:
Make sure the unit is disconnected from the power supply prior to working on it
Do not attempt this repair if you do not feel comfortable with any procedures
If you require any assistance, please call EdgeStar Service at 866-319-5473
The repair:
1. Make sure the unit is unplugged
2. Face the rear of the unit
3. Remove the filter frame:
Pull up on the filter frame, then pull down and away from the un to remove
it
it
4. Once the filter frame has been removed, remove the lower portion of the
g
back of the unit:
Remove these four screws
Once the screws have been removed, this portion comes ri
ht off
5. Now remove the left side of the unit (left, assuming you are facing the rear of the unit)
Step A. Remove these two screws from the rear of the unit
Step B. Remove these two screws.
6. Locate the “compressor capacitor”. It is a silver cylinder that is about 4” long.
Make sure that the unit is not plugged in prior to touching any wires
Step C. Pull the panel down and off the unit
Compressor capacitor
7. Look at the wires going into this capacitor- there should be four wires and one bare terminal.
A view of the capacitor from below
A close-up of the capacitor
8. If any wires are not connected, connect them. The three blue wires all
g
connect to one terminal, and the one red wire connects to a terminal all by itself.
This image shows the capacitor removed (not a required step) in order to show
Blue wires all connect here
Red wire connects here
Bare terminal
reater detail
9. Finally, put the unit back together by reversing the above instructions.
10. Once the unit is completely reassembled, plug it in. Select the cool mode, and lower the thermostat settings all the way. The compressor should kick on after no more than 3 minutes. If so, congratulations on the repair! If not, call EdgeStar service at 866-319-5473 for further assistance.
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