Mitsubishi EHST20C-VM2C Service Manual page 90

From the previous page.
DISASSEMBLY PROCEDURE
10. How to remove the plate heat exchanger (P-HEX)
<E*ST20D model>
(15) R emove the pump stay by removing the 3 screws on it.
(Photo 10-8)
(16) R emove the 3 screws on the front frame (L), and 1
screw on the bottom. (Photos 10-8 and 10-9)
(17) L oosen the hooks on the plate to pull out the P-HEX with
plates from the cylinder unit by lifting them together.
(Photos 10-9 and 10-10)
(18) R emove the pipe band by removing 2 screws on it, and
remove the water coil cover by removing the 2 screws on
it. (Photo 10-10)
• R euse the pipe band, the water coil cover and the
removed 4 fixing screws.
(19) Detach the 2 quick connections, then take out the
P-HEX. (Photo 10-10)
• When reinstalling the quick connections use new O-rings.
• Refer to Procedure 23 for how to attach and detach the
quick connection.
Photo 10-9
Front
frame (L)
Hook
Screws
Photo 10-10
OCH570C
P-HEX (inside)
Screws
PHOTOS
Photo 10-8
Screws
(on the bottom)
P-HEX (inside)
O-rings Quick connections
90
Pump stay
Screws
Water coil cover
Screws Pipe band