Mitsubishi Electric EHSC-MEC Service Manual page 82

DISASSEMBLY PROCEDURE
<EHSC series>
Procedure (1) to (6) is the same as <ERSC series>.
(7) Remove the G1" nut on the water inlet side of the
strainer valve using 2 spanners: one to hold the strainer
valve and the other to turn the G1" nut. (Photo 8-5)
• When reinstalling the G1" nut, use a new G1" gasket.
(8) Remove the TH2 thermistor from the thermistor holder.
(Photo 13-2)
(9) Remove the flare nuts on the gas and liquid pipes under
the hydrobox using 2 spanners: one to hold each flare
joint and the other to turn each flare nut.
(10) Remove the water coil cover by removing the 3 screws.
(Photo 8-5)
(11) Remove the 2 screws on the strainer valve stay. (Photo
8-6)
(12) Pull out the plate heat exchanger assembly with the
strainer valve from the hydrobox by lifting it upward.
(Photo 8-6)
(13) Remove the strainer valve from the plate heat
exchanger assembly by detaching the quick connection.
(Photos 8-4 and 8-6)
• When reinstalling the quick connection, use new O-ring.
• Refer to page 90 for how to attach and detach the
quick connection.
Photo 8-5(EHSC series)
Screws
Water coil
cover
Plate heat exchanger
(inside)
Pump valve
Screw
Strainer
valve
OCH571D
PHOTOS/ FIGURES
Photo 8-6(EHSC series)
Plate heat
exchanger
O-ring
Strainer
Quick con-
valve stay
nection
Water pump
Nut (G1")
Gasket (G1")
82
Screws Strainer valve