Mitsubishi EHST20D-YM9C User Manual

DISASSEMBLY PROCEDURE
PHOTOS
92
11. How to remove the pressure relief valve/manometer/air
vent (automatic)
< Pressure relief valve (3 bar)>
(3)Removethefieldpipingfromthepressurereliefvalve(3
bar). (Photo 11-5)
(4)Removethepressurereliefvalve(3bar)withtheflare
jointusing2spanners:onetoholdtheflarejointandthe
other to turn the flare nut. (Photo 11-5)
(5)Removethepressurereliefvalve(3bar)using2
spanners:onetoholdtheflarejointandtheothertoturn
the pressure relief valve (3 bar). (Photo 11-6)
(6)Eliminateloctiteonthethreadsurfacesusingremover.
(Photo 11-6)
•
Before reinstallation, apply loctite over the thread
surface on the pressure relief valve.
•
For more details about the loctite and the remover,
refertoPage101.
< Air vent (automatic) >
(3)Removetheairvent(automatic)using2spanners:one
toholdtheflarejointandtheothertoturntheflarenut.
(Photos 11-5)
(4)Removetheairventwiththeflarejoint.(Photo11-5)
(5)Removetheflarejointfromtheairvent.(Photo11-7)
<
Pressure relief valve (10 bar) (Except for EH*T20*-MHCW
models)
>
(3)Removethefieldpipingfromthepressurereliefvalve
(10 bar). (Photo 11-8)
(4)Removethepressurereliefvalve(10bar)withtheflare
jointusing2spanners:onetoholdtheflarejointandthe
other to turn the flare nut. (Photo 11-9)
(5)Removethepressurereliefvalve(10bar)using2
spanners:onetoholdtheflarejointandtheothertoturn
the pressure relief valve (10 bar). (Photo 11-10)
(6)Eliminateloctiteonthethreadsurfacesusingremover.
(Photo 11-10)
•
Before reinstallation, apply loctite over the thread
surface on the pressure relief valve.
•
For more details about the loctite and the remover,
refertoPage101.
Photo 11-6
Photo 11-5
Photo 11-9
Photo 11-10
Photo 11-7
Air vent
Flarejoint
Pressure relief
valve (3 bar)
Flarejoint
Threads for application of loctite
Fromthepreviouspage.
Photo 11-8 (Except for EH*T20*-MHCW models)
Air vent
(automatic)
Pressure relief
valve (3 bar)
Air vent
(automatic)
Pressure relief
valve (3 bar)
Pressure relief
valve (10 bar)
Flarejoint
Flare nut
Pressure relief
valve (10 bar)
Flarejoint
Threads for application of loctite
Flarejoint
Flare nut
Flarejoint
Flare nut
Pressure relief
valve (10 bar)
OCH570C

Mitsubishi EHST20D-YM9C Specifications

General

Brand	Mitsubishi
Model	EHST20D-YM9C
Category	Heat Pump
Language	English