Mitsubishi Heavy Industries FDT200VSAWPVH Service Manual page 142

・
Panel installation
Read this manual together with the indoor unit's installation manual.
* Caution before use
①Be careful the installation height when installing the indoor unit.
Also note that the installation height of this indoor unit is different from that of current (old) unit.
Installation height from the ceiling surface to the indoor unit.
・Old unit: 30 mm ⇒ This unit: 35 mm +4
0
130
50
or more
Suspension
fixture
Ceiling
surface
moisture may frost or condensate, staining the ceiling surface.
②
Louver
•
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 draft prevention panel has the draft prevention mechanism. If the draft prevention panel is installed and the
draft prevention function is set, the draft prevention function will be oprerated and reduce the draft feeling.
⑪
(Refer to Panel setting for details.)
・Standard panel : without the draft prevention mechanism
・Draft prevention panel : with the draft prevention mechanism
①
Before installation
Follow installation manual carefully, and install the panel properly.
•
Check the following items.
•
Accessories
Accessories
4 pieces For panel installation
Bolt
Strap 4 pieces For avoiding the corner panel from falling
Grille
1 piece For avoiding the grille from falling
hook
Screw 4 pieces
Note: Accessories are laid in the position removing the corner lid.
②
Checking the indoor unit installation height
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.
<In case of other than the system ceiling>
Keep the distance
between 35 – 39 mm.
Exceeding the range of
distance may cause
failure, etc.
35 +4
0
Ceiling surface Level gauge
(Insert in the indoor unit.)
Suspension bolt
Be careful
the installation
height.
Indoor unit Suspension
fixture
Ceiling
surface
The shadowed sections (8 places),
which are movable, could be
damaged if they are moved forcibly.
Be careful handling when holding the
panel.
Air flex * The air flex will not move in case of the standard panel.
WARNING
Accessories hoding position
<In case of the system ceiling>
Keep the distance
between 35 – 39 mm.
Exceeding the range of
distance may cause
failure, etc.
T bar
35 +4
0
Ceiling board
Level gauge
(Insert in the indoor unit.)
③
Removing the inlet grille
1.
and pressing it in the direction of arrow ①, pull the
grille downward to open the grille.
Release the hooks of the inlet grille from the panel
2.
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)
•
35
+4
0
Old unit
30
Coner lid
⑤
Before installing the panel <Only Draft prevention panel>
①
Loosen screws (2 pcs.) on the control lid of the unit.
②
③
Loosen screws on the wiring cover (2 places).
④
⑤
⑥
⑦
⑧
⑨
⑩
① ,
Slide
②
⑤
141
- -
'21 • PAC-SM-383
<Removal>
Move it in the arrow direction,
and pull it up.
⑨
⑩
③
④
PJF012D503
①
Stopper
⑥
⑦
Air flex motor wiring
⑧