Mitsubishi KXZ Series Technical Manual page 102

• Panel installation
Read this manual together with the indoor unit's installation manual.
•
Fasten the wiring to the terminal securely and hold the cable securely so as not to apply
unexpected stress on the terminal.
Loose connection or hold will cause abnormal heat generation or fire.
•
Make sure the power source is turned off when electric wiring work.
Otherwise, electric shock, malfunction and improper running may occur.
Function
The Anti draft panel has the anti draft mechanism. If the Anti draft panel is installed and the anti draft function is
set, the anti draft function will be oprerated and reduce the draft feeling. (Refer to
・Standard panel : without the anti draft mechanism
・Anti draft panel : with the anti draft mechanism
① Before installation
Follow installation manual carefully, and install the panel properly.
•
Check the following items.
•
Accessories
Accessories
Bolt 4 pieces For panel installation
Strap 4 pieces For avoiding the corner panel from falling
Screw 4 pieces For xing the corner panel
Note: Accessories are laid in the position removing the corner lid.
② Checking the indoor unit installation position
Read this manual together with the air-conditioner installation manual carefully.
•
Check if the opening size for the indoor unit is correct with the level gauge supplied in the indoor unit.
•
Check if the gap between the plane and the indoor unit is correct by inserting the level gauge into the air outlet
•
port of the indoor unit. (See below drawing)
Adjust the installation elevation if necessary.
•
Remove the level gauge before installing the panel.
•
Caution
If there is a height difference beyond the design limit
between the installation level of the indoor unit and the
panel, the panel may be subject to excessive stress
during installation and it may cause distortion and
damage.
The installation level of the indoor unit can be adjusted nely
•
from the opening provided on the corner, even after panel is Installed.
(Refer to ⑥ Installing the panel
for details.)
③ Removing the inlet grille
1. Hold the stoppers on the inlet grille (2 places) toward
OPEN direction, open the inlet grille.
2. Remove the hooks of the inlet grille from the panel while it
is in the open position.
④ Removing the corner lid
Pull the corner lid toward the direction indicated by the arrow and remove it. (Same way for all 4 corner lids)
•
Pull up around this part as shown in the picture.
Coner lid
WARNING
⑩ Panel setting
for details.)
Accessories holding position
Keep the distance between 10-14mm.
Exceeding the range of the distance
may cause failure etc.
Indoor Unit
10 4
+
0
Ceiling surface
Ceiling opening
dimensions
Level gauge
(Accessary of the indoor unit)
(inserted into the unit)
<Removal>
Stopper
⑤ Orientation of the panel installation
Take note that there is an orientation to install the panel.
Install the panel with the orientation shown on the right.
•
Align the "PIPE SIDE" mark (on the panel) with the
•
refrigerant pipes on the indoor unit.
Align the "DRAIN" mark (on the panel) with the drain
•
pipe on the indoor unit.
CAUTION
In case the orientation of the panel is
not correct, it will lead to air leakage
and also it is not possible to connect
the ap motor wiring.
⑥ Installing the panel
1. Temporary hanging
Lift up the hanger (2 places) on the panel for temporary support.
•
Hang the panel on the hook on the indoor unit.
•
Unit's hook
Panel's fixing hanger
Caution
The parts (shaded area), of the anti draft mechanism around the air outlet, are separate parts.
•
Handle the panel with care.
Especialy, the shaded area of the Anti draft panel move. Note that they may break if they are
moved forcibly by hand.
2. Fix the panel on the indoor unit
Fasten the panel on the indoor unit with the 4 bolts supplied with the panel.
•
Caution
Improperly tightened xing bolts cause the
•
problems listed below, so make sure that bolts
are securely tightened.
Air leakage
Air leakage along
the ceiling
Fouling
Dew condensation or dripping
It is possible to adjust the installation height of the indoor unit with the panel installed as long
•
as there is no in uence on the drain pipe inclination and/or the indoor unit levelness.
Caution
Do not give any stress on the panel when adjusting the height of the indoor unit to
avoid unexpected distortion. It may cause the distortion of panel or failing to close the
inlet grille, and the parts of the anti draft mechanism.
99
- -
'20 • KX-T-373
PJF012D037
Control box
Drain pipe
DRAIN
PIPE SIDE Refrigerant pipes
Hook
hanger
The Anti draft panel moves the parts of the anti draft
mechanism (shaded area,4 places).Note that they
may break if they are moved forcibly by hand.
Although the parts (shaded area) of the Standard
panel are separate parts from the body, they do not
move.
If there is a gap between the ceiling and the
•
panel even after the xing bolts are
tightened, adjust the installation level of the
indoor unit again.
Make sure no gap is left here.
To adjust finely, please turn a nut fastening
the indoor unit using a spanner or similar tool
from the opening on the corner.
Bolt for installing the panel
B
⑦ Ele
The wiring
The connec
Re
<For t
1. Loos
2. Pass
3. Fix t
<For the A
1. Loosen 2
2. Pass the
3. Pass the
4. Fix the c
P
⑧ Ins
1. To avoid
2. Then ha
3. First inse
4. Fix with