Mitsubishi Electric ecodan EHPT20X- VM2HB, Service Manual

Page: 78 / 90

DISASSEMBLY PROCEDURE PHOTOS
78 79
Photo 10-4
10. How to remove the plate heat exchanger
(10)
Displace the plate heat exchanger together with the
refrigerant pipes, the water pipe and the flexible hose to
the front of the cylinder unit while feeding the top ends
of the 2 refrigerant pipes though the openings in the
top panel and remove the heat exchanger unit from the
cylinder unit. (Photos 10-, 10-4, 10-5)
(11) Loosen the G1" nut on the water pipe and remove the
water pipe form the plate heat exchanger.
w
When reinstalling the nut, use a new G1" gasket.
w
When reinstalling the plate heat exchanger, reuse the
water pipe.
Photo 10-5
Nut under the strainer valve
Nut on the flexible hose
Photo 11-1
Strainer
Cover
Nut (G1")
Strainer valve handle
Strainer valve handle
11. How to remove the strainer
(1) Remove the front panel. (Refer to Procedure 1.)
(2) Close (OFF) the 2 strainer valves.
w
When either of the strainer valve handles is stiff,
remove the individual handles and turn the individual
stems 90 degree mainly by using an adjustable
spanner. (Photo 5-)
(3) Remove the two G1" nuts using two spanners: one to
hold the strainer and the other to turn the individual G1"
nuts.
w
When reinstalling the G1" nuts, use new G1" gaskets.
<Removal of the strainer cover (debris recovery)>
(3) Remove the cover using two spanners: one to hold the
strainer and the other to turn the cover.
w
Be sure to reattach the mesh after washing it.
w
When placing the strainer back into place, use a new
O-ring. (Photo11-2)
Photo 11-2
Strainer mesh
Cover
Refrigerant pipes
Flexible hose
Water pipe
Plate heat
exchanger
Nut on the water pipe
(G1")
Gasket (G1")
O-ring
Gasket (G1")
Nut (G1")
Gasket (G1")
OCH531