Mitsubishi Electric PUHY-HP72 Service Handbook page 268

[8-12 Parts Replacement Instructions ]
(9) Remove the fin guards and wiring covers from the right, left, and rear of the unit casing. (24 screws as shown in Figure 7.)
Right fin guard
*2
Right wiring cover
Right wiring cover
(*1)
Right panel heater
(*1)
Figure 7 Right
*1 Sold separately. Supplied as a standard accessory with hyper-heating models.
*2 When fin guards are not attached, the number of screws to be removed is 12 in total.
(10) If a separately sold panel heater is installed, disconnect the connectors of the panel heater wiring. Bundle the excessive
disconnected panel heater wiring with adhesive tape or other materials. (4 locations as shown in Figure 8.)
Unit wiring
Panel heater wiring
(*1)
Right panel heater
(*1)
Figure 8 Right
Before removing the protective tube
*1 Sold separately. Supplied as a standard accessory with hyper-heating models.
HWE18240_GB
Rear fin guard
Rear wiring cover
Rear wiring cover
(*1)
Rear panel heater
(*1)
Figure 7 Rear
Unit wiring
Figure 8 Rear
Unit wiring
Cable tie
Protective tube
Panel heater wiring
(sold separately)
Left fin guard
Left wiring cover
*2
Left wiring cover
(*1)
Rear wiring cover
(*1)
Left panel heater
(*1)
Unit wiring
Unit wiring
Panel heater wiring
Panel heater wiring
(*1)
Rear panel heater
(*1)
Left panel heater
Unit wiring
Connector
Panel heater wiring
(sold separately)
After removing the protective tube
Left wiring cover
*2
Figure 7 Left
(*1)
Figure 8 Left
(*1)
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chapter 8 -