Mitsubishi Electric PUHY-HP120TNU-A, Service Handbook, Page: 273 / 324

[8-12 Parts Replacement Instructions ]
76
- chapter 8 HWE18240_GB
8 Troubleshooting Based on Observed Symptoms
(25) After removing the heat exchangers, dispose of the front and the rear heat exchanger supports. (See Figures 22 and 23.)
The front and the rear heat exchanger supports do not need to be installed. (The front and the rear heat exchanger
supports are for suppressing vibration during transportation.)
Figure 22
Figure 23
Front heat exchanger
Front heat exchanger support
Unscrew the screws.
Rear heat exchanger support
Center pillar
Unscrew the screws.
(26) Re-place the front and the rear heat exchangers in the reverse order as they were removed.
Re-place the components that were removed as they were.
Re-place each unit wiring according to the wiring color and identification label (attached to the wiring protective tube)
shown in the table below.
(Figure 24)
L
L
R
R
BR BL
BR BL
Yellow Blue Red White
L-L L-R L-BL L-BR
Wiring color
Identification
label
Right frame
Left frame
Rear frame
Unit wiring specification