Mitsubishi Electric PUHY-HP200YNW-A Service Handbook page 247

[8-12 Parts Replacement Instructions ]
8-12-4 Compressor Replacement Procedure
1. PUHY-HP200, 250YNW-A
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.)
Compressor cover (top)
Figure 1
Figure 4
(7) Remove thermal insulation 1 and thermal insulation 2. (See Figure 7.)
Injection pipe (Figure 9)
Discharge pipe (Figure 10)
Figure 7
Compressor
60
- chapter 8
Compressor cover (front)
Figure 2
Rubber spacers
(2 pieces)
Saddle
Screw to be
removed
Figure 5
Suction pipe
(Figure 8)
Thermal insulation 2
Thermal insulation 1
TH4
Rubber bush
TH15
Compressor cover (left)
Figure 3
Screws to be
removed
Figure 6
Cable tie
Terminal block box
Mounting support metal
Mounting plate
BS_08_M