Mitsubishi Heavy Industries SRK63ZR-WF Technical Manual page 28

2. SELECTING INSTALLATION LOCATION
After getting customer's approval, select installation location according to following guidelines.
1. Indoor unit
• Where there is no obstruction to the air fl ow 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 on the right side
can be secured.)
• Where it is easy to conduct wiring and piping work.
• A place where unit is not directly exposed to sunlight or street light.
• A place where it can be easily drained.
• A place separated at least 1 m away from the television or the radio. (To prevent interference to im-
ages and sounds.)
• A place where this unit is not aff ected by the high frequency equipment or electric equipment.
• Avoid installing this unit in place where there is much oil mist.
• A place where there is no electric equipment or household.
• Install the indoor unit on the wall where the height from the fl oor to the bottom of the unit is more than
180 cm.
• A place where the radio waves can reach when using the wireless LAN communication.
2. Remote control
• A place where the air-conditioner can receive the signal surely during operating the remote control.
• A place where it is not aff ected by the TV, radio etc.
• Do not place where it is exposed to direct sunlight or near heat devices such as a stove.
3. INSTALLING INSTALLATION BOARD
• Installation board should be installed on the wall which can support the weight of the indoor unit.
• Adjustment of the installation board in the horizontal direction is to be conducted with 8 screws in a
temporary tightened state.
• With the standard hole as a center, adjust the board and level it.
768
470
Mating mark for level surface
4. DRILLING HOLE AND FIXTURE OF SLEEVE
When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use sealing plate, sleeve and inclination plate (Locally procured parts).
(a) Sleeve
Top
5
ø65
Thickness of the wall + 1.5 cm
Indoor side Outdoor side
(1) Drill a hole with hole (2) Cut sleeve to adjust to wall
core drill. thickness. In case of rear
piping draw out, cut off the
lower and the right side
portions of the sleeve collar.
5. ELECTRICAL WIRING WORK
• Before installation, make sure that the power source complies with the air-conditioner's power speci-
fi cation.
• Carry out electrical wiring work according to following guidelines.
1. Preparing cable
(1) Selecting cable
Select the connecting cable in accordance with the specifi cations mentioned below.
4 cores* 1.5mm conformed with 60245 IEC57
2
* 1 Earth wire is included (Yellow/Green).
(2) Arrange each wire length as shown below.
Make sure that each wire is stripped 10mm from the end.
<Connecting cable>
30mm or more
10mm
40mm or more
Earth wire
(3) Attach round crimp-type terminal to each wire as shown in the below.
Select the size of round crimp-type terminal after considering the specifi cations of terminal block
and wire diameter.
Round crimp-type terminal
10mm
Bolt
(M6 X 12)
In case of fixing the unit on
concrete wall, use nut anchor.
Standard
hole
(c) Inclination plate
(a) Sleeve
Turn to
tighten
Cut
(b) Sealing plate
Indoor side Outdoor side
(3) Fix sealing plate, sleeve
and inclination plate.
<Wire end>
Sleeve
10cm minimum from the ceiling
Remote control
Remote control holder
Wood screws
Space
for service
50 157
214.5
363.5
568.5
53.5
Piping hole (ø65)
For bolt anchor
and nut anchor
CAUTION
Improper adjustment of the installation board can cause water leakage.
(d) Putty
(d) Putty
Installed state Indoor side Outdoor side
(4) After piping work,
seal the hole in the wall
with putty.
2. Connecting cable
(1) Open the air inlet panel.
(2) Remove the lid.
(3) Remove the cable clamp.
(4) Connect the connecting wires to the terminal block.
(5) Fix the connecting cable by cable clamp.
(6) Fix the lid.
(7) Close the air inlet panel.
NOTE
Take care not to confuse the terminal numbers for indoor and outdoor connections.
Terminal block
Cable
clamp
• Earth wire shall be Yellow/Green (Y/G) in color and longer than other AC wires for safety reason.
WARNING
Incorrect wiring connection can cause malfunction or fi re.
27
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'22 • SRK-T-362
Installation example
Installation board
Indoor
unit
(a) Sleeve
Be sure that the flap
of outlet should not
touch any obstacles.
Obstacle such
as curtain
Indoor unit
Installation board
Space
for service
883 157 150
768 214.5
470 363.5
60 568.5
77
Piping for Gas 715
Drain hose 759 (ø16)
Piping for Liquid 780
Piping hole (ø65)
(Unit : mm)
WARNING
Completely seal the hole in the wall with putty.
If not sealed properly, dust, insects, small animals,
and highly humid air may enter the room from out-
side, which could result in fi re or other hazards.
CAUTION
Completely seal the hole in the wall with putty.
If not sealed properly, furniture and other fi xtures may
be damaged by water leakage or condensation.
The screw of the lid is
tightened securely
Lid
Connecting cable
13
8
cm
cm