Installation Diagram & Accessories - Mitsubishi Electric Mr.Slim MS24WN Installation Manual

3. INSTALLATION DIAGRAM & ACCESSORIES
FLARED CONNECTIONS
•
This unit has flared connections on both indoor and outdoor sides.
•
Remove the valve cover of the outdoor unit, then connect the pipe.
•
Refrigerant pipes are used to connect the indoor and outdoor units.
Limits
Pipe length
Height difference
No. of bends
•
Refrigerant adjustment ... If pipe length exceeds 25 ft., additional refrigerant
(R22) charge is required.
(The outdoor unit is charged with refrigerant for pipe length up to 25 ft..)
up to 25 ft.
Pipe length
exceeding 25 ft.
Refrigerant to MS type
be added MSH type
ACCESSORIES
Check the following parts before installation.
1
Installation plate
2 Installation plate fixing screw 4 × 25 mm
3
Remote controller holder
4 Fixing screw for 3 3.5 × 16 mm (Black)
5
Battery (AAA) for remote controller
6
Wireless remote controller
7
Felt tape (Used for left or left-rear piping)
PART TO BE PROVIDED AT YOUR SITE
Optional extension pipe
A
Indoor/outdoor unit connecting wire
B
Extension pipe
C
Wall hole sleeve
D
Wall hole cover
E
Pipe fixing band
F Fixing screw for E 4 × 20 mm
G
Piping tape
H
Putty
I
Drain hose
J
Refrigeration oil
K
Power supply cord
INDOOR UNIT SERVICE SPACE
Allow the service
space shown in the
following diagram to
remain open, for
maintenance etc.
Installation plate
Indoor unit
34-1/4
Air outlet
7-9/32 19-11/16
4-3/8 × 13/16 slot
50 ft. max.
25 ft. max.
10 max.
No additional charge is required.
Additional charge is required.
(Refer to the table below.)
0.81 oz each 5 ft.
3.50 oz each 5 ft.
1
7
1
2
2
1
1
1
1
1
1
2 to 5
2 to 5
1
1
1
1
1
4 in.
or more
5
Service space
(unit:inch)
PIPING PREPARATION
•
Refrigerant pipes of 10, 16, 23, 33 and 49 ft. are available as optional items.
1 Table below shows the specifications of pipes commercially available.
Outside Minimum wall
Pipe diameter
inch
For liquid 3/8
For gas 5/8
2 Ensure that the 2 refrigerant pipes are insulated to prevent condensation.
3 Refrigerant pipe bending radius must be 4 in. or more.
Minimum wall thickness is UL1995 33'S reference.
Be sure to use the insulation of specified thickness. Excessive thickness may
cause incorrect installation of the indoor unit and lack of thickness may cause
dew drippage.
1
2
D
H
C
7
Note: Do not
obstruct the
air outlet.
G
6
3
F
4
Units should be installed by licensed contractor
according to local code requirement.
Insulation thickness
thickness Insulation material
inch
0.0285 5/16
0.0315 5/16
CAUTION
Decide the installation position using mark on the installation
plate indicating the indoor unit size as reference.
Piping can be directed towards rear,
right, downward, left or left-rear
directions.
Rear side
Right
Rear
Downward
Left-rear
Lock the catch.
B
E
Separate the 2 connecting pipes and
apply insulation individually.
5/16 in. thickness thermal
insulation plastic
When the piping is to be attached to a
wall containing metals (tin plated) or
metal netting, use a chemically treated
wooden piece 13/16 in. or thicker
between the wall and the piping or
wrap 7 to 8 turns of insulation vinyl
I
tape around the piping.
Heat resisting
foam plastic 0.045
specific gravity
Be careful the
drain hose is not
raised.
Front
Left