Mitsubishi Electric PURY-HP144, Service Handbook

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[8-13 Parts Replacement Instructions ]
90
- chapter 8 HWE18220_GB
8 Troubleshooting Based on Observed Symptoms
(11) Remove the fan guard by unscrewing the 12 screws. (See Figure 9.)
(12) Insert a spacer between the control box and the heat exchanger.
(13) Remove the cable tie that is holding the motor ASSY and the unit wiring.
Remove the motor ASSY by unscrewing the 16 screws, using caution not to disconnect the motor wiring or not to damage
the fan. (See Figure 10.)
(14) Remove the unit wiring from the left frame (See Figure 11).
Bundle all excess unit wirings including those that have been removed so that they do not interfere with the replacement
of the heat exchanger.
(15) Remove the front pillar by unscrewing the 7 screws. (See Figure 12.)
(16) Disconnect the TH7 sensor holder from the front pillar. (See Figure 12 Rear.)
(17) Remove the TH7 wiring from the heat exchanger by cutting the cable tie. (See Figure 13.)
*Use the supplied spacers.
Use the spacers 60 (D) x 250 (W) x 60 (H) when replacing the heat
exchangers for the maintenance of the accumulator and the pipes.
Motor ASSY
Motor ASSY
Fan
Figure 10
Rear
Front pillar
TH7
Connector
Front pillar
Control box
Front heat
exchanger
Fan guard
Figure 9
Spacer *
Spacer *
Figure 12
Figure 11
Figure 13
Spacer *
TH7
Cable tie
Cable tie
Remove the TH7 wiring from
the front heat exchanger.
Front heat
exchanger
Left frame
Left frame
Protective wire rubber
Unit wiring