Mitsubishi Electric R410A Operating And Installation Instructions page 50

Installation instructions
Laying pipes backwards, rightwards
and downwards
Piping
Pipe layout
·
Put refrigerant pipe and drainage pipe together, wrap them with
band.
Take care not to raise the
drainage hose.
Cut this part when connecting
pipe rightwards.
·Insert the refrigerant pipe and drainage pipe into the wall hole sleeve
, hang the indoor unit's upper half on the mountingpanel
C
·Move the air conditioner right and left to check if it is hung on the
panel firmly.
1
·Push the unit's lower half into the mounting panel
Lay pipes leftwards or rear leftwards.
·Pipe layout
Put refrigerant pipe and drainage pipe together, wrap them with band
first and then with felt tape .
5
Take care not to raise the drainage
hose.
Felt tabe
5
(Pipe band
Wrap the pipe from pipe end with
felt tape (The folded part of
5
the felt tape shall be one third
5
of its width)
Refitting for drainage hose
The drainage hose should be refitted in the event of piping leftwards
and rear leftwards. Otherwise, water dripping may result.
Drainage house
The rubber stopper at the rear right of indoor unit.
1
Remove the rubber stopper by grasping the sharp lug.
Remove the drainage hose at the rear left side of the indoor unit.
2
Pull out the drainage hose by grasping the handle knob shown by
arrow in the direction
Cut this part when connecting
pipe downwards.
E
Cut this part when connecting
pipe downwards.
.
1
.
1
Cut this part when connecting
pipe leftwards.
Use a tape to fix the end
)
E
of the felt tape .
5
Rubber stopper
Rubber stopper
Drainage house
Slip the rubber stopper into the position in which the drainage pipe is
3
installed at the rear of indoor unit.
Use an allen key to press the stopper into the joint of the drain plate.
Connect the drainage hose to the corresponding connection position
4
at the rear right of indoor unit.
Insert the drainage hose in the joint of the drain plate. Be sure to
confirm if the hose is clamped into the prominent detent.
Connection between the refrigerant pipe and extension pipe
If extension pipes or wires have been buried into a wall, please perform
piping as described in the following key points.
① Hook the mounting plate with indoor unit's upper part. After considering
1
inclusion of the pipe and placing the unit as possible as close to the left, cut off
a piece of packing material (used as liner) to lock the rear lug, raise the indoor
unit as shown in right figure.
Connect the refrigerant pipe and extension pipe
·
Cut off a part of packing material(used as liner)
Lock the rear lug
Fix the end with masking
tape or tape adhered to
the lower part of indoor
unit
Wrap the rest of cut
material.
Installation of indoor unit
Pass the pipe through the wall,
·
hang and install the unit on the
mounting plate , then push in
1
the unit until a click is heard.
2-7 Laying drainage pipe
In order to make a smooth drainage, the drainage pipe shall be
connected tilting downwards.(figure 1)
Don't connect the pipe as shown in figure2-3.
Tilting
downwards
Leakage
The pipe end
(Figure 1)
soaked in water
(Figure 2)
If it is not long enough for the drainage hose installed at the indoor unit,
you can use the hose in accessory for connection.
F
When the hose goes through room, be sure to bind up the drainage hose
with commercially available insulated material.
49
Rubber stopper
Drainage hose
.
B
Indoor unit packing
cardboard
Cut off the cardboard with a
scissor or cutting tool.
Liner
As shown above, put the liner to a
notch of rear lug .
Indoor unit Mounting plate
Press the hook in the hole of the mounting plate
Don't lift
Drain Occlusion
Below 5cm from
Air
the ground
Wave shape
(Figure 3) (Figure 4)
1
1