Mitsubishi Electric PUHY-HP120TNU-A, Руководство по обслуживанию

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[8-12 Parts Replacement Instructions ]
62
- chapter 8 HWE18240_GB
8 Troubleshooting Based on Observed Symptoms
8-12-4 Compressor Replacement Procedure
1. HP72, HP96, HP120T/YNU-A
Figure 7
Explained below are the procedures for replacing the compressor. Secure sufficient work space before starting replacement
work. (See 8-12-1 Ensuring maintenance space (Preparation for the Maintenance of Refrigerant Circuit Parts).)
(1) Remove the top compressor cover by unscrewing the three screws. (See Figure 1.)
Remove the compressor cover by unhooking the hooks on the back.
(2) Remove the front compressor cover by unscrewing the four screws. (See Figure 2.)
(3) Cut the two cable ties holding TH4 and TH15, and remove the wiring from the rubber bush on the left compressor cover.
(See Figure 3.)
(4) Remove the right and left compressor covers by unscrewing the four screws. (See Figure 4.)
(5) Remove the saddle and the rubber spacers on the compressor by unscrewing the screw. (See Figure 5.)
(6) Remove the cover of the compressor terminal block box, mounting support metal, and the mounting plate by unscrewing
the two screws. (See Figure 6.)
(7) Remove thermal insulation 1 and thermal insulation 2. (See Figure 7.)
(8) Remove the duct from the S module by unscrewing one screw. (See Figure 8.)
Compressor cover (top)
Compressor cover (front)
Figure 2
Figure 1
Cable tie
TH4
TH15
Figure 3
Compressor cover (left)
Rubber bush
Figure 4
Figure 8
Suction pipe
(Figure 9)
Figure 5
Figure 6
Rubber spacers
(2 pieces)
Terminal block box
Mounting support metal
Mounting plate
Screw to be
removed
Screws to be
removed
Saddle
Injection pipe (Figure 10)
Discharge pipe (Figure 11)
Thermal insulation 2
Thermal insulation 1 Compressor
Duct (Figure 8)