Panasonic U-72MF2U9 Service Manual page 93

9. Compressor
9. Compressor
9-3. Removing and Installing Compressors
When removing and installing compressors, use sufficient caution to ensure that moisture or other substances do
not enter the refrigerant tubing system.
9-3-1. Replacing Inverter compressors
Removal
(1) Connect a 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 in
the outdoor unit tubes.
(2) Follow the instructions in "1. Removing Panels" and remove the corresponding parts from the outdoor unit where
the compressor will be replaced.
(3) Remove the caps and insulator surrounding the compressor.
(4) Remove the terminal cap on the compressor. Then disconnect the power terminal.
(5) Remove the crankcase heater.
Type: 72, 96
Type: 120, 144
Be careful! It's breakable here.
Outdoor Unit Repair Procedures
Outdoor Unit Repair Procedures
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2WAY VRF SYSTEM
3WAY VRF SYSTEM
Fig. 17
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