Mitsubishi Electric PURY-HP144, Service Handbook

Page: 317 / 398

[8-13 Parts Replacement Instructions ]
76
- chapter 8 HWE18220_GB
8 Troubleshooting Based on Observed Symptoms
Figure 13-1
Figure 13-2
(13) Cut the pipe below four-way valves (21S4a and 21S4b) with a pipe cutter as shown in the figure.
Remove the braze at the areas circled in the figure to remove 21S4a and 21S4b assemblies. (2 areas to be cut. 5 areas to
remove braze from. See Figure 13-2.)
Four-way valve (21S4a and
21S4b) assemblies
Remove the braze here.
Four-way valve (21S4b)
LEV2d
Four-way valve (21S4a)
Remove the braze here.
Cut the pipe here.
Cut the pipe here.
Remove the braze here.
Remove the
braze here.
Remove the braze here.
Remove the braze here.
Cut the pipe here.
Cut the pipe here.
Four-way valve
(21S4b)
Four-way valve (21S4b)
The replacement parts for this part is included
with the replacement kit that contains check
valve block assembly. Use the pipe included
with the check valve.
Check valve
block
Gas-liquid separator
Four-way valve
(21S4a)
Four-way valve (21S4a)
LEV2d
LEV2d