Mitsubishi Electric EHPT17X-VM6D Service Manual page 80

DISASSEMBLY PROCEDURE
10. How to remove the plate heat exchanger (P-HEX)
(Refrigerant - Water)
<E*ST**C/D series>
(1) Pump down the refrigerant circuit and close the stop
valve at the outdoor unit side.
(Refer to 12. SUPPLEMENTARY INFORMATION.)
(2) Remove the front panel. (Refer to Procedure 1.)
Remove the left side panel. (Refer to Procedure 22.)
(3) Remove the control box. (Refer to Procedure 4.)
(4) Remove the DIV frame by cutting the band and
removing 2 screws on it. (Photo 10-1) (E*ST20/30*
series)
Remove the DIV frame by cutting the band and
removing 4 screws on it. (Photo 10-6) (ERST17D-***BD
series)
(5) Cut the bands bundling the pipes. (Photos 10-1, 10-2
and 10-6)
(6) Remove the 2 flare nuts on the refrigerant piping on top
of the cylinder unit. (Photo 10-3)
Photo 10-2
Photo 10-3
Flare nuts
OCH714E
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Photo 10-1
Screws
Bands
Photo 10-6
Screws
Top panel
P-HEX
Screws
Note: The photos shown are of the ERST17D-YM9BD model.
80
PHOTOS/FIGURES
Screw
P-HEX
Screws
Note: The photos shown are of the EHST20D-VM6D model with
optional immersion heater.
DIV frame
DIV frame
Cable
strap
Fastener
Screw
DIV frame
Bands
Cable
strap
Fastener
Screws
DIV frame
Bands
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