Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 435

[8-15 Main-HBC Maintenance Instructions ]
Operation procedures
14) Remove the pipe with a protective valve
from the fixing plate.
Unclip the pipe located behind the Cool-
ing-main plate heat exchanger that con-
nects to the pipe explained above.
The pipe only needs to be laid down and
does not need to be taken out of the unit.
15) Remove the braze from the pipe in front
of the plate heat exchanger.
16) At this point, few parts are left between
the Cooling-main and Heating-main
plate heat exchangers as shown in the
figure at right.
Start by removing the Cooling-main side
plate heat exchanger as explained below.
Remove the plate heat exchanger on the
Cooling-main side first before replacing the
one on the Heating-main side (even when
the one on the Cooling-main side needs no
replacement).
17) Cut the pipe and remove the braze from
the areas where indicated in the figure
at right, and then remove the elbow.
18) Remove the Victaulic joint.
«Removing the Victaulic joint»
Remove the terminal block cover
(screwed down with two screws).
Remove the nuts from the Victaulic joint.
(x2)
Remove the separated Victaulic joint, and
push the gasket inside to the pump side.
168
- chapter 8
Illustrations
Remove the parts
holding the pipe.
Remove the elbow.
1
Remove the terminal
block cover (screwed
down with two screws).
3
Unclip the pipe
located behind the
plate heat exchanger.
Remove
Cut the pipe here.
2
Remove the nuts.
4
Lower the gasket.
Operation
location
Installation
location
BS_08_L