69
12.2.6 Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end
down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
12.2.7 How
to
Take
Out Front Grille
Please follow the steps below to take out front grille if necessary such as when installing or servicing.
Model
TZ20***, TZ25***, TZ35***, TZ42***, TZ50***, RZ20***, RZ25***, RZ35***, RZ50***
1 Open front panel.
2 Remove the 3 mounting screws on the front grille as shown in the illustration below.
3 Slide the 3 lock knobs on the upside of front grille to unlock position.
4 Pull the front grille towards you to remove the front grille.
Model
TZ60*** , TZ71***
1 Set the vertical airflow direction louvers to the horizontal position.
2 Remove the 3 caps on the front grille as shown in the illustration below.
3 And then remove the 4 mounting screws.
4 Pull the lower section of the front grille towards you to remove the front grille.
12.2.8 Check the Drainage
Open front panel and remove air filters. (Drainage
checking can be carried out without removing the
front grille.)
Pour a glass of water into the drain tray-styrofoam.
Ensure that water flows out from drain hose of the
indoor unit.
When properly fl
a
red, the intern
a
l
su
rf
a
ce of the
fl
a
re will evenly
s
hine
a
nd
b
e of even thickne
ss
.
S
ince the fl
a
re p
a
rt come
s
into cont
a
ct with the
connection
s
, c
a
ref
u
lly check the fl
a
re fi ni
s
h.
Improper fl
a
ring
Inclined
Su
rf
a
ce
d
a
m
a
ged
Cr
a
cked Uneven
thickne
ss
1. To c
u
t
2. To remove
bu
rr
s
3
. To fl
a
re
B
a
r
Red
a
rrow m
a
rk
H
a
ndle
Core
Yoke
Cl
a
mp h
a
ndle
B
a
r
0 – 0.5 mm
Copper pipe
Re
a
mer
Point down
Pipe
When reinstalling the front grille, carry
out above steps 2 - 3 in the reverse order.
1
2
3
4
Screw
Front panel
Front grille
LOCK
Lock knob
UNLOCK
•
Use Test pen to
remove Cap
Cap
4
2
3
Screw
Screw
Test pen
Cap
Front
grille
When reinstalling the front grille, carry out
above steps 2 - 3 in the r everse orde r.
Vane
(Move the
vane to
downward)
1
Dr
a
in tr
a
y-
s
tyrofo
a
m
Содержание CS-TZ20WKEW
Страница 57: ...57 11 1 4 WIFI Module Printed Circuit Board...
Страница 164: ...164 19 2 1 4 To Remove Control Board Figure 8 19 2 1 5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 9...
Страница 165: ...165 Figure 10 Figure 11...
Страница 166: ...166 Figure 12 Precaution of Maintenance Removed all electrical parts before doing wet servicing...
