6
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Unit installation
Installer reference guide
31
C FVXM25~50A
Split system air conditioners
4P625991-1C – 2021.09
a
c
d
d
b
a
Bottom frame
b
Slit portion for side piping on the front grille (same on the other side)
c
Slit portion for side piping on the bottom frame (same of the other side)
d
Slit portion for the bottom piping
1
Cut off the slit portion using nippers.
2
Remove an burrs along the cut section using a half round needle file.
6.3.4 To provide drainage
Make sure condensation water can be evacuated properly. This involves:
▪
General guidelines
▪
Connecting the drain piping to the indoor unit
▪
Checking for water leaks
General guidelines
▪
Pipe length.
Keep drain piping as short as possible.
▪
Pipe size.
Use rigid polyvinyl chloride pipe with 20 mm nominal diameter and
26 mm outer diameter.
NOTICE
▪
Install the drain hose with a downward slope.
▪
Traps are NOT permitted.
▪
Do NOT put the end of the hose in water.
Summary of Contents for Perfera CVXM20A3V1B
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