Preparation For Piping Connection; Mounting The Indoor Unit - Mitsubishi Electric City Multi PKFY-P NAMU-E Serie Manual De Instalación E Usuario

3. Installing the indoor unit
I PKFY-P06/P08NAMU-E
A
Fig. 3-11
I PKFY-P06/P08NAMU-A
Screw
Fig. 3-12
I PKFY-P12/P15NGMU-E
Fig. 3-14
c
C
d
Fig. 3-15
I PKFY-P12/P15NGMU-E
Fig. 3-16
B
A
Fig. 3-17
C
C
B
Guide vane
Fig. 3-13
a
A
b
b
B
a
C
D
E
F
D
3.5. Mounting the indoor unit (Fig. 3-11)
1. Securely place the hanging fixtures for the indoor unit over the catches on the
mount board.
A Indoor unit
B Mount board ¡
C Catch
2. When piping has been completed, install the indoor unit and mount board with
fixing screws.
3.6. Remove the front panel (Fig. 3-12)
2 (Remove the front panel to check the electrical wiring connections and the drain for
proper drainage.)
• Before removing the front panel, open the guide vane 13/16 to 1-3/16 in. (2-3 cm).
1. Remove the screw caps, then the screws.
2. Pull the left side of the front panel from the air conditioner, then the right side.
3. Pull the bottom of the front panel out, then the top of the front panel to remove the
1, 3
panel.
* Be sure not to remove the nozzle assembly when removing the front panel.
3.7. Installing the front panel (Fig. 3-13)
1. Insert the bottom of the front panel into the air conditioner under the guide vane.
2. Set the top of the front panel.
3. Set the bottom of the front panel, and then install the screws.
4. Push the front panel at the arrow marks to fix it to the air conditioner.
Install the screw caps.

3.8. Preparation for piping connection

Rear, right and lower piping (Fig. 3-14)
1. Bind the refrigerant pipe and drain pipe together.
• Bind the refrigerant pipes and drain pipe with vinyl tape at three or more points. This
will facilitate passing the pipes through the wall.
2. Remove the corner box and knock out the knockout holes as necessary.
• Remove the corner box by pushing in a downward direction b, while at the same
time, pressing in the upper side part of the corner box a.
A Right corner box
Left and left rear piping (Fig. 3-15)
1. Remove the under cover.
• Remove the under cover by sliding it towards the rear of the unit b, while at the
same time, pressing the two points marked by arrow heads a.
2. Remove the corner box and knock out the knockout holes as necessary.
• Remove the corner box by pushing in a downward direction d, while at the same
time, pressing in the upper side part of the corner box c.
B Under cover
C Left corner box
* The drain hose can be connected at two different positions. Use the most conven-
ient position and, if necessary, exchange the position of the drain pan, rubber plug
and the drain hose. (For connecting instructions, refer to page 11,12)

3.9. Mounting the indoor unit

in.(mm)
1. Affix the mount board to the wall.
2. Hang the indoor unit on the two hooks positioned on the upper part of the mount
board.
A Square hole
B Hooks
C Catch
Rear, right and lower piping (Fig. 3-16)
3. Affix the indoor unit.
4. After connecting the pipes, put the corner box back to where it was (follow the
removal steps backwards).
Left and left rear piping (Fig. 3-17)
3. Cut out a mounting piece from the packaging material.
4. Pull the indoor unit up towards yourself as shown in the figure below and slide the
mounting piece in to the mount board using the mounting piece setting marks as
reference.
5. After connecting the pipes and wiring, put the under cover back to where it was,
and remove the mounting piece and affix the indoor unit as shown in the left
figure.
6. Put the corner box back to where it was.
D Mounting piece §
E Ceiling
F Rib
7