Panel Installation - Mitsubishi Heavy Industries FDT40VF Technical Manual

PANEL INSTALLATION MANUAL
Please read this manual together with the indoor unit's installation manual.
WARNING
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 supply is turned off when electric wiring work.
Otherwise, electric shock, malfunction and improper running may occur.
① Checking the indoor unit installation position
• Read this manual together with the air conditioner installation manual carefully.
• Check if the gap between the ceiling 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 you attach the panel.
Use level gauges
as reference, adjust
the bottom to the
face of the indoor
unit.
Diffuser
Level gauge
T-bar
Ceiling panel
(insulation)
② Orientation of the panel and return air grille installation
1. Take note that there is an orientation to install the panel.
• Attach the panel with the orientation shown on the below.
• Align the "PIPE SIDE" mark (on the panel) with the refrigerant pipes on the indoor unit.
2. The intake grille can also be attached in a rotated position by 90 degrees.
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 louver motor wiring.
Louver motor
connector
Drain pipe side
Control box
③ Removing a corner panel
• Unscrew the screw from the corner area, pull the corner panel toward the direction
indicated by the arrow mark.
Screw
Corner
panel
Use level gauges
as reference, adjust
the bottom to the
face of the indoor
unit.
Diffuser
Level gauge
(insulation)
T-bar
Ceiling panel
When the ceiling panel comes below
the T bar, align the bottom of the level
gauge to the lower face of the ceiling
panel.
Intake grille
Refrigerant
pipes side
④ Attaching a corner panel
• First insert the part "a" of a corner panel into the part "A" of the cover panel, engage two
hooks and tighten the screw.

⑤ Panel installation

• Install the panel on the unit after completing the electrical wiring.
Accessories
1 Hook
2 Chain
3 Screw
4 Screw
5 Screw
1. Screw in two bolts out of the four supplied with
the panel by about slightly less than 5mm.
mark ⒶⒷ) [Figure 1]
(
2. Attach the hook supplied with the panel to the
main body with the hook fixing screw (1 screw).
[Figure 2]
3. Open the intake grille.
4. Please remove the screw of a corner panel and
remove a corner panel. (four places)
5. A panel is hooked on two bolts (
[Figure 3]
Ⓐ
214
- -
'12 • PAC-T-173
PJA012D783
Hook
Screw
1 piece For fixing temporarily
2 pieces
4 pieces For hoisting the panel
1 piece For attaching a hook
2 pieces For attaching a chain
Ⓐ
Hook
mark ⒶⒷ).
[Figure 3]
a
Ⓑ
[Figure 1]
[Figure 2]
Screw
Ⓑ