Mitsubishi Electric EHSD-MED Service Manual page 68

DISASSEMBLY PROCEDURE
8. How to remove the plate heat exchanger (continued)
<E*SC series>
(11) Remove the G1" nut on the water outlet side of the
strainer valve using 2 spanners: one to hold the strainer
valve and the other to turn the G1" nut. (Photos 8-1 and
8-4)
• When reinstalling the G1" nut, use a new G1" gasket.
(12) <Only EHSC series>
Remove the 2 screws on the strainer valve stay. (Photo
8-4)
(13) <ERSC series>
Remove the pipe (STR-W.C.) by detaching the quick
connection from the plate heat exchanger. (Photo 8-4)
<EHSC series>
Remove the strainer valve by detaching the quick
connection from the plate heat exchanger. (Photo 8-1)
• When reinstalling the quick connections, use a new O-ring.
• Refer to Procedure 16 for how to attach and detach the
quick connection.
(14) Remove the TH2 thermistor from the thermistor holder.
(Refer to Procedure 14. Photos 14-2 and 14-3)
(15) Remove the water coil cover by removing the 2 screws.
(Photo 8-1)
(16) Pull out the plate heat exchanger from the hydrobox by
lifting it upward. (Photos 8-2 and 8-3)
Photo 8-4 (ERSC series)
Plate heat
exchanger
(inside)
O-ring
Quick
connection
TH2 thermistor
Strainer valve
OCH712C
Pipe
(STR-W.C.)
Gasket (G1") Nut (G1")
PHOTOS/ FIGURES
Photo 8-2 (EHSC series)
Plate heat
exchanger
O-ring
Strainer
Quick con-
valve stay
nection
Photo 8-3
68
Screws Strainer valve
Plate heat exchanger