Mitsubishi Heavy Industries SRK20ZIX-S Service Manual page 55

 Do not processing, splice the power cord, or share a socket with other power plugs.
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.
 Do not vent R410A into the atomosphere:R410A is a fluorinated greenhouse gas, covered by the Kyoto Protocol with a Groval Warming Potential
(GWP)=1975
 Execute proper grounding. Do not connect the ground wire to a gas pipe, water pipe, lightning rod or a telephone ground wire. Improper placement
of ground wires can result in electric shock.
BEFORE INSTALLATION
 Before installation check that the power supply matches the air conditioner.
Standard accessories (Installation kit)
Accessories for indoor unit
Installation board
1
(Attached to the rear of the indoor unit)
Wireless remote control
2
3 Remote control holder
Tapping screws
4
(for installation board 4dia. by 25mm)
Wood screw
5
(for remote control switch holder 3.5(mm). by 16mm)
6 Battery [R03(AAA,Micro) 1.5V]
7
Air-cleaning filters
Filter holders
8
(Attached to the front panel of indoor unit)
9 Pipe cover (200mm)
Band
10
Option parts
Sealing plate
Sleeve
Inclination plate
Putty
Drain hose (extention 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
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.
Q'ty
 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.
 A place separated at least 1m away from the television or the radio. (To prevent interference to images and sounds.)
1
 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.
 Install the indoor unit on flat wall.
Wireless remote control
9
 A place where the air conditioner can be received the signal surely during operating the wireless remote control.
2  Places where there is no affected by the TV and radio etc.
 Do not place where exposed to direct sunlight or near heat devices such as a stove.
INSTALLATION OF INDOOR UNIT
2
2
Open and detachment of the air inlet panel
2  To open, pull the panel at both ends of upper part
and release latches, and undo the strings.
Then remove the panel.
1
CAUTION
2
When removing the air-inlet panel,
be careful not to drop it on your feet.
How to remove the front panel
Q'ty
1 Remove the air inlet panel.
1
2 Remove the 5 set screws.
3 Remove the 3 latches in the upper section.
If the latches are difficult to remove, push the latch
1
portion out using a screw driver, for example.
4 Move the lower part of the panel forward and
1
remove the 6 latches in the under section.
1
Drilling of holes and fixture of sleeve (Option parts)
1
When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use pipe hole sleeve sold separately.
1 Indoor side b
Outdoor side
5
65
 Drill a hole with whole core drill.  In case of rear piping draw out, cut off the lower
and the right side portions of the sleeve collar.
Indoor unit piping direction
Piping is possible in the rear,
left,left rear, left downward,
right or downward direction.
Right
Rear
Downward Left
Left rear
Left downward
Left rear piping
Drainage
 Arrange the drain hose in a downward angle
 Avoid the following drain piping.
Higher than specified The drain hose
tip is in water
 The equipment shall be installed in accordance with national wiring regulations.
 The connection to the fixed wiring of the mains supply must be made via a double pole isolating switch with a contact gap of at least 3mm in each pole.
 When the outdoor unit has a possibility of being overturned or being displaced and fall from its original installation position, the outdoor unit
should be fixed in its position by use of anchor bolts or wires.
Latch
Latch
c
Top b
Turn to
tighten
a
Thicknese of the wall + 1.5cm
Indoor side Outdoor side
For Right or Left rear piping For Right or Left piping
91.5
18.5
65 65
65 65
60
Right rear piping
Go through all installation steps and check if the
CAUTION
dralnage is all right. Otherwise water leak may occur.
 Pour water to the drain pan located under the heat exchanger, and ensure that the water is discharged outdoor.
 When the extended drain hose is indoor, always use a shield pipe (to be arranged by the user) and ensure it is
thermally insulated
Odor from
the gutter
Wavy The gap to the ground is The drain hose
5 cm or less tip is in the gutter
7 cm minimum from the ceiling
15 cm or below from the floor
(sold separately)
Wireless remote control
Wood screws
Installing the support of piping
In case of piping in the right rear direction
Taping of the exterior
 Tape only the portion
that goes through the
wall.
Installed state
 Always tape the wiring
with the piping.
For Right or Left bottom piping
76.3 157.2 85.3 22.7
Right/Left piping
Left bottom piping
Right bottom piping
Shield pipe
Extended drain hose
Drain hose
When it is exposed indoor.
Installation board
Sleeve
Remote control holder