Selection Of Installation Location - Mitsubishi Heavy Industries SRK20ZJ-S Data Book

Poisonous gases will flow into the room through drainage pipe and
seriously affect the user's health and safety.
• Ensure that no air enters in the refrigerant circuit when the unit is
installed and removed.
If air enters in the refrigerant circuit, the pressure in the refrigerant circuit
becomes too high, which can cause burst and personal injury.
BEFORE INSTALLATION
Before installation check that the power supply matches the air conditioner.
Standard accessories (Installation kit)
Q'ty
Accessories for indoor unit
Installation board
1
(Attached to the rear of the indoor unit)
Wireless remote control
2
Remote control holder
3
Tapping screws
4
(for installation board ø4 X 25mm)
Wood screws
5
(for remote control switch holder ø3.5 X 16mm)
Battery [R03 (AAA, Micro) 1.5V]
6
7 Air-cleaning filters
Filter holders
8
(Attached to the front panel of indoor unit)
Insulation (#486 50 x 100 t3)
9
Option parts
Q'ty
Sealing plate
Sleeve
Inclination plate
Putty
Drain hose (extension hose)
Piping cover
(for insulation of connection piping)
Necessary tools for the installation work
1 Plus headed driver
2
Knife
3 Saw
4
Tape measure
5
Hammer
6
Spanner wrench
( )
14.0 ~ 61.0N·m
7
Torque wrench
(1.4 ~ 6.1kgf·m)
8
Hole core drill (65mm in diameter)
9
Wrench key (Hexagon) [4m/m]
( )
Designed specifically
Flaring tool set
10
for R410A
( )
Designed specifically
11 Gas leak detector
for R410A
Gauge for projection adjustment
( )
12 Used when flare is made by using
conventional flare tool
13 Pipe bender
This may cause fire or electric shock due to defecting contact, defecting
insulation and over-current etc.
• Do not bundling, winding or processing for the power cord. Or, do
not deforming the power plug due to tread it.
This may cause fire or heating.

SELECTION OF INSTALLATION LOCATION

(Install at location that meets the following conditions, after getting approval from the customer)
Indoor unit
Where there is no obstructions to the air flow and where the cooled and heated air can be evenly distributed.
A solid place where the unit or the wall will not vibrate.
A place where there will be enough space for servicing. (Where space mentioned below can be secured)
Where wiring and the piping work will be easy to conduct.
1
The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting.
A place where it can be easily drained.
1
A place separated at least 1m away from the television or the radio. (To prevent interference to images and sounds.)
Places where this unit is not affected by the high frequency equipment or electric equipment.
Avoid installing this unit in place where there is much oil mist.
1
Places where there is no electric equipment or household under the installing unit.
Wireless remote control
5
A place where the air conditioner can be received the signal surely during operating the wireless remote control.
Places where there is no affected by the TV and radio etc.
2
Do not place where exposed to direct sunlight or near heat devices such as a stove.
INSTALLATION OF INDOOR UNIT
2
Installation of Installation board
2
2
Look for the inside wall structures (Intermediats support or pillar
and firmly install the unit after level surface has been checked.)
1
450
Level position (2 locations)
Mating mark for
1
level surface
1
Adjustment of the installation board in the horizontal direction is to
1
be conducted with four screws in a temporary tightened state.
Adjust so the board will be
level by turning the board
1 Standard
with the standard hole as
hole
the center.
1
1
Drilling of holes and fixture of sleeve (Option parts)
When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use pipe hole sleeve sold separately.
b Top
5
ø 6 5
Indoor side Outdoor side
In case of rear piping draw out, cut off the lower
Drill a hole with whole core drill.
and the right side portions of the sleeve collar.
Installing the support of piping
In case of piping in the right rear direction
Shaping of pipings Taping of the exterior
Pipings
Drain hose
Hold the bottom of the Tape only the portion
piping and fix direction that goes through the
before stretching it and wall.
shaping it. Always tape the wiring
with the piping.
Sufficient care must be taken not to damage
the panel when connecting pipes.
set or radio receiver is placed within 1m).
• Locations where drainage cannot run off safely.
It can affect performance or function and etc.
• Do not install the unit near the location where leakage of
combustible gases can occur.
If leaked gases accumulate around the unit, it can cause fire.
Fixing on concrete wall
Use of nut anchor Use of bolt anchor
Bolt
Nut
(M6 12)
(M6)
Mounting
board
Mounting
Max.10
board
b c
Turn to
tighten
a
Thickness of the wall + 1.5cm
Indoor side Outdoor side Installed state
• Matters of special notice when piping from left or central/rear of the unit.
[Top view]
Left-hand-side piping Right-hand-side piping
Piping in the left rear direction Piping in the right rear direction
Piping in the left direction
Piping in the right direction
Piping is possible in the rear, left, left rear, left downward, right or downward direction.
Right
Rear
Left
Downward
rear
Left
Left downward
system is in operation.
During operation the refrigerant pipes become extremely hot or extremely
cold depending the operating condition, and it can cause burn injury or
frost injury.
6.5 cm minimum from the ceiling
CAUTION
Indoor side Outdoor side
Completely seal the hole on
Sleeve
putty
the wall with putty. Otherwise,
(sold separately)
furniture, or other, may be
wetted by leaked water or
putty
dewing.
Wireless remote control
Remote control holder
Wood screws
Relation between setting plate and indoor unit
INSTALLATION SPACE (INDOOR UNIT)
(FRONT VIEW)
Indoor unit
Installation board
Space for service Space for service
50
139 450
106.5 585
55
Piping for Gas
Piping for Liquid
Piping for Liquid (20 to 50 type) : ø 6 .35
Drain hose (ø 1 6)
Piping for Gas (20 to 35 type) : ø 9 .52
Piping hole (ø 6 5)
(50 type) : ø 1 2.7
[Drain hose changing procedures]
1. Remove the drain hose 2. Remove the drain cap.
Remove the screw and drain hose, Remove it with hand or pliers.
making it rotate.
3. Insert the drain cap. 4. Connect the drain hose.
Insert the drain cap which was removed Insert the drain hose securely, making
at procedure "2" securely using a rotate. And install the screw.
hexagonal wrench etc. Note: Be careful that If it is not Inserted
Note: Be careful that If it is not Inserted securely, water leakage may
securely, water leakage may occur. occur.
Installation board
100
209
106.5
55
403.6
471.6
531.8
Piping hole (ø 6 5)