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W-2WAY ECO-i SYSTEM
Outdoor Unit Repair Procedures
10. Compressor
(C) Replacing constant-speed compressor 2 (Compressor 3 on the remote controller alarm display)
Removal
(1)
Connect the manifold gauge to the high- and low-pressure outlet ports at the outdoor unit where the compressor
will be replaced. Connect the manifold gauge to a nitrogen cylinder and perform nitrogen gas replacement.
(2)
Follow the instructions in “1. Removing Panels” and “2. Removing Electrical Component Box and Duct” and
remove the corresponding parts from the outdoor unit where the compressor will be replaced.
(3)
Remove the cap at the compressor terminal plate. Disconnect the power terminal.
(4)
Remove the crankcase heater.
(5)
Remove the bolts, washers, and rubber washers (1 each at 3 locations).
* The compressor right inner leg is not anchored.
(6)
Prepare to disconnect the 3 brazed locations shown in the figure 29.
Protect the sensors, and the plates, rubber, lead wires, clamps, and other items
located around the sensors.
Pay particular attention to protection of the check valve shown in the figure, and to
removal of the discharge sensor.
(7)
Disconnect the 3 brazed locations shown in the figure 29.
* First disconnect the ø6.35 tube, then disconnect the ø12.7 and ø22.22 tubes.
(8)
Cut clamps as shown in the figure 29, and then pull the compressor toward you.
CAUTION
Fig. 29
Discharge sensor outlet
Brazed
locations (3)
Front view
Crankcase
heater
Cut clamps
Bolts
Washer: 1
Rubber washer: 1
(1 each at 3 locations)
Constant-speed
compressor (right)
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