
SPLIT-TYPE AIR CONDITIONERS
Natural Comfort 
For
Everybody
POWER CEILING CASSETTE
WALL MOUNTED
CEILING SUSPENDED
CEILING CONCEALED
R22

PRODUCT LINE-UP
2.5hp 3hp
PKH-FAK
Wall mounted
PCH-GAK
Ceiling suspended
OUTDOOR UNIT
PLH-AAK
Power ceiling cassette
PEH-EAK
Ceiling concealed
PCH-3GAK
PLH-3AAK
PEH-3EAKPEH-2.5EAK
PUH-2.5AKA PUH-3VKA*/PUH-3YKA
PKH-3FAK
1
*PUH-3VKA is only for PEH series.

4hp 5hp
6hp
P.7
P.8
P.9
P.10
Remote controller Contents
PCH-4GAK PCH-5GAK PCH-6GAK
PLH-4AAK PLH-5AAK PLH-6AAK 
PEH-5EAK PEH-6EAKPEH-4EAK
PUH-4YKSA
PUH-5YKSA PUH-6YKSA
PKH-4FAK
2
Optional

Mitsubishi Electric Offers 
Three Important Advantages
In today’s competitive environment, simply meeting industry standards, however
stringent, is not enough. Our aim is to exceed them. That’s why when it comes to
comfort, efficiency and durability: Mitsubishi Electric offers you a distinctive advantage.
We call it MEQ — Mitsubishi Electric Quality. And it's a new benchmark that results
in leading edge products, such as air conditioners that consume minimal power and
protect your investment with a long operational lifespan. You can also enjoy superb
reliability, as they’re built to endure the punishment of extreme weather conditions
year in and year out.
True Comfort is Yours to
Enjoy with Our Line-up
We create products designed to 
ensure that you and your surrounding 
will always be in a perfect harmony. 
Whichever model from our Mr. SLIM 
line-up you may choose for commercial use in restaurants, stores, or 
offices will be your guarantee of 
exceptional comfort in every and all 
operating condition.
Comfort
Optimum Cost Performance
and Energy Savings
MEQ results in air conditioners that 
are rated among the best in the 
industry in terms of quality and energy 
efficiency. We strive for a perfect balance of performance, reliability, low 
power consumption and long operational life span. This is complemented by continuous introduction of new 
technologies and components that 
further reduce energy requirements 
and improve eco-friendliness.
Efficiency
Rugged Construction, Rigorous 
Testing, Long-lasting Operation
MEQ is behind a mindset that goes to 
extremes to ensure higher quality 
products that protect the initial 
investment over years of reliable service. We subject our indoor and 
outdoor units to rigorous durability 
testing, including harsher temperature extremes than likely found 
anywhere in the world.
Durability
3
High performance, low power consumption, 
and excellent reliability.
The MEQ Difference

Multi-language Display
Weekly Timer
The function of the weekly timer equipped can change the set 
temperature in addition to the ON/OFF control. Up to 8 patterns can be set for each calendar day.
Whatever your requirements may be, Mitsubishi Electric offers advanced 
split-type heat pumps perfect for any interior, any need. Significantly 
decreased noise levels enhance comfort while a long list of convenient 
features allow for easy installation and far less maintenance. A variety of 
system control configurations plus twin multi operation — where multiple 
indoor units can be connected to a single outdoor unit — make 
our units the first choice for the diverse applications of today.
The First Choice 
for Any and All Applications
New Remote Controller
Renovating air conditioning communication 
by advanced MA Remote Controller newly developed
4
MultiIanguage
8 languages 
can be displayed.
Display can be switched over for 8 kinds of 
language.
[English] [Spanish] [Italian] [German]
[French] [Russian] [Chinese] [Japanese]
Dot Liquid Crystal Display
Acknowledging the operation and control status at a glance. 
The large size display upgrades visual acknowledgement 
capability. The operation and control status can be understood 
promptly.
Operation Control Function 
Display example [Operation mode]
Dot liquid crystal display section
Limiting the set 
temperature range
Air conditioning operation 
always within a limited 
temperature range
Auto Off timer
Automatic turning off of 
air conditioning operation
Operation locking
Preventing the random 
modification of setting

Control function System configuration Necessary parts & equipment
■ Timer adapter PAC-SE55RA-E 
(connect to CN32 on indoor circuit board)
■ Relay box (on-site)
■ MAC-397IF-E
(one for each outdoor unit)
■ Additional remote controller (option)
■ Remote controller cord (on-site)
—
■ Timer adapter PAC-SE55RA-E 
(connect to CN32 on indoor circuit board)
■ Timer adapter PAC-SE55RA-E 
(connect to CN32 on indoor circuit board)
■ Multiple remote controller adpter 
PAC-725AD 
(connect to CN51 on indoor circuit board)
■ Function setting by remote controller
1.
Group control 
with 1 remote 
controller
2.
Combined 
Remote/local 
control
3.
Operation with 
2 remote 
controllers
4.
Individual 
control from 
distant room
5. Timer 
operation
6.
Operation by 
external signal
7.
Power failure 
automatic 
recovery
8.
Connection of 
remote display
■ Multiple remote controller adpter 
PAC-725AD 
(connect to CN51 on indoor circuit board)
■ Relay OMRON made LY-1 (DC12V)
■ Sequential start adaptable
■ Same mode operation
■ Maximum no. of units connectable per 
group: 16-refrigerant (Outdoor 16 sets)
■ Simultaneous ON/OFF remote
■ Operation can be switched between 
the distant controller panel and 
handheld controller
■ 2 remote controllers can be connected 
to one group
■ Control with the latest command
(MAX. 500m)
■ Extension of remote controller cord
■ Weekly timer operation possible as
standard (7 days-8 patterns)
■ Optional adapter allows operation with 
timer sold on the market
■ Static signal receivable
■ Pulse signal receivable
■ Returns to the state before power 
failure as standard
■ Connectable to display panel in the 
field adapter 
Features
1
Remote 
Controller
Indoor Unit
Outdoor Unit
InterfaceInterface 
Distant 
Controller 
Panel
Remote 
Controller
Indoor Unit
Relay
Box
Adapter
Remote 
Controller
Indoor Unit
Remote 
Controller
Indoor Unit
Remote 
Controller
Power 
Supply
Indoor Unit
Remote 
Controller
Adapter
Distant 
Display
Indoor Unit
Relay
Box
Mr. SLIM New A/K Control System Configuration
5
PAC-SE55RA-E
Timer Adapter 
MAC-397IF-E
MA & Control Terminal Interface 
PAC-725AD
Multiple Remote Controller Adapter 
(10 units of PAC-SA88HA-E)

Stylish wireless remote controller with all the latest programming features
Wireless remote controller for PLH-AAK
Mr. SLIM Convenient Remote Controller
● FAN SPEED SELECT button
Used to change fan speed.
● VANE CONTROL button
Used to change airflow direction.
● MODE SELECTION button
Used to select operating modes — 
Cool, Dry, and Heat, and Auto.
● TIMER CONTROL buttons
STOP (OFF timer): When this function is
activated, the air conditioner will automatically stop at the preset time.
START (ON timer): When this function is
activated, the air conditioner will automatically start at the preset time.
● Fan speed indicator
Displays the fan speed setting 
(HIGH or LOW).
● HOUR and MINUTE 
buttons
Used to set the time and timer settings.
● TIMER button/ 
RESET button 
Advanced MA remote controller
Wired remote controller*
● DOT LIQUID CRYSTAL display
● MULTI-LANGUAGE display
● OPERATION CONTROL function
● WEEKLY TIMER
6
Twin Multi Operation
Note
● The capacity of both indoor units must be identical.
● Different types of indoor units with identical capacities can be 
connected.
● The height difference between both indoor units must be 1meter or 
less.
● When two units are connected, the main unit can be used to control 
the operation of all units. 
2.5HP 3HP
PEH-2.5EAK
PKH-3FAK 
PCH-3GAK 
PLH-3AAK 
PEH-3EAK
Twin-multi
Outdoor unit
50:50
PUH-5YKSA
2.5 + 2.5
PUH-6YKSA
3 + 3
Multi-distribution pipe
SDD-50S-E
Applicable indoor units
Outdoor Unit and Twin-Multi Combinations
INDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
Multi-Distribution Pipe
Two indoor units can be connected to a single outdoor unit 
and all units can be operated simultaneously from a single 
remote controller using the optional multi-distribution pipe 
(only indoor units of the same capacity and type can be 
connected).
*Please refer to page 4.

Design uniformity improves installation flexibility
From the smallest 3HP unit to the largest 6HP model, the new highpower ceiling cassettes offer a uniformly square 950 x 950mm width 
and depth design. Thanks to the uniformity of the panel size, planning 
for unit positioning in any room is enhanced and the installation of different capacity models within the same floor space is made possible.
Unit height of only 258mm [PLH-3]
The new high-power ceiling cassette models 
boast slim body height for smooth 
and aesthetic installation 
even in limited 
ceiling plenum 
applications.
PLH-3AAK
258mm
PLH-4/5/6AAK
298mm
(40mm less than 
conventional models)
Automatic vane shutter
When the air conditioner is not operating, the vane shutter* closes automatically to conceal the air outlet and 
create an aesthetically appealing flat 
surface.
* This feature will not activate when the vane is set at 
fixed position.
Wide-flow air outlet
The new high-power ceiling 
cassettes offer a wide-flow air 
outlet that enables effective air conditioning of atrium-type ceilings up 
to 4.2 meters in height. 
The demands of highceiling applications such 
as halls, showrooms or 
shopping malls can now 
be fully answered thanks to this powerful yet highly 
efficient airflow. 
Vane shutter closes automatically
During operation When turned off
Ideal for high-
ceiling applications 
as high as
4.2m
(PLH-4/5/6)
■ 4-way high ceiling 2
■ 3-way standard
■ 4-way standard
3.2m
4.2m
3.6m
* Optional air outlet shutter plate (PAC-SG06SP-E) is necessary for two- or three-way airflow settings.
Specifications according to ceiling height and number of vents
POWER CEILING CASSETTE
PLH-3AAK   PLH-4AAK   PLH-5AAK   PLH-6AAK
INDEX
Specifications .........................................p.11 
Option ......................................................p.13
PLH
-AAK
SERIES
7
Features at-a-glance
Installation & Maintenance Comfort Others
• Chargeless system • Auto-angle airflow • System control
• Compact 
• Drain
design • Versatile airflow • Twin-multi operation
• 72 airflow patterns •  Auto vane shutter
• Smudge/draft free • Auto restart
• Long-life filter (2500 hrs.) • High ceiling application  
• Self-diagnostic function
• Quiet 
• Bacteria- and mold-resistant fiter
operation
• Fresh air intake
• Outdoor unit operating
range up to 46ºC 
Handy corner-pocket•
• Computerized dehumidifier
• Filter indicator
(For wired remote controller)
•
Flockless vanes
PLH-3 PLH-4/5/6
dradnatS hgiH1gniliec hgiH2gniliec dradnatS hgiH1gniliec hgiH2gniliec
yaw-4 7.2 0.3 5.3 2.3 6.3 2.4
yaw-3 0.3 3.3 5.3 6.3 0.4 2.4
yaw-2 3.3 5.3 — 0.4 2.4 —
 water lift-up (850mm)

8
INDEX
Specifications .........................................p.11 
Option ......................................................p.13
PKH
-FAK
SERIES
PKH-3FAK  PKH-4FAK
Auto-flap shutter
When the unit is turned off, the 
shutter closes automatically over 
the air outlet to enhance the stylish 
design. The shutter also functions 
as a flap to adjust airflow angle to 
ensure that comforting air reaches every corner of the room. 
Enhanced noise suppression
Low-noise operation has been 
achieved through the introduction 
of a “near-silent” fan and a 
design which minimises airflow 
resistance.
Multi-directional piping
To reduce installation time, drain piping can be connected from left 
and right. Refrigerant piping can also be connected from the rear, left, 
right and base of the unit. 
Easy removable filter
Convenient thumbscrews on the filters 
enable the filters to be quickly removed for 
easier cleaning.
Back plate installation guide
To save time and effort, the back plate installation guide provides clear 
instructions on installation positions. The enlarged back plate secures 
the unit firmly to the wall, while the support piece which lifts the unit 
makes the left-side piping work much easier.
Drain lift-up mechanism (optional)
For greater installation flexibility, the drain water pipe lift-up mechanism has been raised 800mm from the base of the unit. 
Model Sound pressure level (Lo/Hi)
PKH-3 39/45
PKH-4 41/46
ures at-a-glance
Installation & Maintenance Comfort Others
• Chargeless system • Auto-angle airflow • System control
• Easy removable filter
• Drain water lift-up (800mm)*
• 4-way multi directional piping 
• Self-diagnostic function
• Computerized dehumidifier •  Twin-multi operation 
• Quiet operation • Auto-flap shutter 
• Outdoor unit operating
range up to 46ºC 

Extra slim, extra stylish
Sleek and slim with stylishly curved lines, the PCH-GAK Series blends 
right into any interior. It also features a single air outlet with an auto 
vane that closes like a shutter when the unit is turned off to enhance 
overall appearance.
Innovative auto vane system
The auto vane system swings up and down 
automatically to distribute air more evenly 
throughout the room. 
Quiet and comfortable 
Smoother airflow, an improved air vent design, and a slimmer fan 
combine to provide exceptionally quiet operation — a mere 43dB on 
high and 37dB on low (PCH-3GAK). 
New direct suspension system
For easier installation, the PCH-GAK Series features a new direct suspension system that makes it unnecessary to remove nuts and bolts 
from the main body. A one-touch suspension system is also available. 
Piping flexibility simplifies installation
All piping, including those related to drainage, can be connected from 
the right, rear and top of the unit. This provides greater flexibility in 
selecting piping layout and installation locations.
Flockless vanes
With the adoption of new flockless vanes, dirt and other impurities can 
be cleaned off easily with mild household detergent. 
Fan phase control plus microprocessor control allow 
airflow settings to match ceiling height.
Drain water lift-up mechanism can be pre-installed 
(optional).
Features at-a-glance
Installation & Maintenance Comfort Others
• Chargeless system • Auto swing • System control
• New direct suspension
system
• High ceiling application • Twin-multi operation 
• Drain water lift-up (500mm)*
• Computerized dehumidifier
 Flexible piping
• Quiet operation
• Auto restart
• Long-life filter (2500 hrs.)
• Auto vane shutter
• Self-diagnostic function
• Outdoor unit operating
range up to 46ºC 
• Washable filter*
*Optional
CEILING SUSPENDED
INDEX
Specifications .........................................p.12 
Option ......................................................p.13
PCH
-GAK
SERIES
PCH-3GAK  PCH-4GAK
PCH-5GAK  PCH-6GAK  
9
Direct suspension with attachment fixture attached
1. Leave attachment fixture attached to main unit.
2. Suspend the attachment fixture from the suspension bolts.
3. Simply tighten the nuts to secure the unit.
Ceiling surface
Air outlet
Suspension bolts
Attachment fixture

10
CEILING CONCEALED
Limitless installation possibilities
Offering all the benefits of split-type models plus other important 
advantages, the PEH-EAK Series is not only easy to install but also very 
versatile. For example, the distance between the air-intake and air-outlet vents can be varied to allow airflow to be positioned in the optimum location.
Computerized dehumidification  
The computerized dehumidifier mode — where fan speed is controlled 
precisely — increases dehumidification volume while improving dehumidifying efficiency.
PEH-2.5EAK  PEH-3EAK
PEH-4EAK   PEH-5EAK   PEH-6EAK  
INDEX
Specifications .........................................p.12
Option ......................................................p.13
Features at-a-glance
Installation & Maintenance Comfort Others
• Chargeless system • Computerized dehumidifier • System control
• Smooth instllation • Quiet operation • Twin-multi operation 
• Self-diagnostic function • Auto restart
• Outdoor unit operating
range up to 46ºC 
Long-rectangular room
L-shaped room
Room with 
fixed ceiling 
fixtures
PEH-EAK
SERIES
PEH-2.5EAK   
PEH-3EAK 
PEH-4EAK
PEH-5EAK 
PEH-6EAK  

PLH-AAK POWER CEILING CASSETTE
SPECIFICATIONS
11
Models PLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAK
Function Heating
7,700 16,100
Capacity 
Total input
3.32 4.51 4.46 5.07 4.92
COP
2.32 2.75 3.14 2.76 3.27
Model name
PLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAK
External finish Galvanized sheets with gray heat insulation 
Power supply
Airflow ( Lo-Hi)
250 – 333 333 – 467 367 – 500
External static pressure
0 (direct blow)
Sound pressure level ( Lo-Hi)
28 – 34 33 – 41 35 – 43 37 – 45
258 298 
Indoor unit
Weight
24 30 30 32
External finish Munsell 0.70Y 8.59/0.97
5
Model name PUH-3YKA PUH-4YKSA PUH-5YKSA PUH-6YKSA
External finish
Single phase, 50Hz, 240V
Munsell 5Y 7/1
Power supply 3-phase 50Hz, 415V (4 wires)
Refrigerant (R-22) control Capillary tube 
Compressor output
2.4 2.7 3.5 4.0
Protection devices
Internal thermostat, HP
switch / 
thermal relay,
thermal switch, 
anti- phase protector
Thermal relay, thermal switch, HP switch, anti-phase protector
Airflow
833 1,584 1,667
Crankcase heater
52 54 55 56
Sound power level
295 + 24  345 + 24 
Dimensions
850 1,258 
Outdoor unit
Weight
75 94 114 117 
Heating 
14,000
Cooling 
14,000
Cooling
12,400
Heating 
10,400
3.45
3.01
Cooling
9,700
3.46
2.80
Heating
8,400
3.11
2.70
Cooling
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12
SPECIFICATIONS
PEH-EAK CEILING CONCEALED
PCH-GAK CEILING SUSPENDED
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333
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450
– 567
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13
GENERAL SPECIFICACIONS FOR ALL MODELS
■ Main Optional Parts
ledoM noitpircseDsledomelbacilppA
DA527-CAP )stes01(retpadArellortnoCetomeRelpitluM New A/K control
PAC-SE55RA-E Timer Adapter New A/K control
MAC-397IF-E MA & Control Terminal Interface New A/K control
New A/K control
PAC-SE41TS-E rosneSetomeR
E-SD64AS
-CAPtekcoSniarD 2.5~4-HUP 
E-SD74AS-CAPtekcoSniarD6/5-HUP
D-GS292-CAPediuGteltuOriA 2.5~6-HUP
E-S05-DDSesUniwTrofepiPnoitubirtsiD 5/6-HUP
E-MD58ES-CAPmsinahceMpU-tfiLniarD3-HCP
E-MAAD68ES-CAPmsinahceMpU-tfiLniarD6~4-HCP 
E-FK18ES-CAPretliFycneiciffEhgiH 3/4-HCP 
E-FK28ES-CAPretliFycneiciffEhgiH 5/6-HCP
PAR-SL99B-E Wireless Remote Controller PCH series 
PAR-SL97A-E Wireless Remote Controller PLH series
tnemelEretliFycneiciffEhgiH
PAC-SG01KF PLH series
etalPrettuhSteltuOriA
PAC-SG06SP-E PLH series
tnemesaCnoitcnuF-itluM
PAC-SG03TM-E PLH series
■ Refrigerant Piping
Between indoor & outdoor units Pipe size O.D., mm
Models
Max. piping length, m
Max. number of bends
Liquid Gas
PLH-3AAK, PKH-3FAK, 
PCH-3GAK, PEH-2.5EAK, PEH-3EAK 
50 50 15 Ø 9.52 Ø 15.88
PKH-4FAK PLH-4/5/6AAK, 
PCH-4/5/6GAK, PEH-4/5/6EAK
50 50 15 Ø 9.52 Ø 19.05
■ Optional Refrigerant Pipes
Pipe length
Part number
5m (16ft) PAC-05FFS-E PAC-SC51PI-E 
7m (23ft) PAC-07FFS-E PAC-SC52PI-E 
10m (33ft) PAC-10FFS-E PAC-SC53PI-E 
15m (49ft) PAC-15FFS-E PAC-SC54PI-E 
Connection method Flared-flared Flared-flared 
Pipe size OD, mm (ft) Liquid: Ø 9.52 (3/8) Gas: Ø 15.88 (5/8) Liquid: Ø 9.52 (3/8) Gas: Ø 19.05 (3/4) 
Applicable models PKH-3FAK, PLH-3AAK, PCH-3GAK, PEH-2.5EAK, PEH-3EAK PKH-4FAK, PLH-4/5/6AAK, PCH-4/5/6GAK, PEH-4/5/6EAK
■ Additional Refrigerant Charge [R-22: kg]
Piping length (one-way)
Models
5m 10m 15m 20m 25m 30m 35m 40m 45m 50m
PUH-2.5AKA 0 0 0 0 0 0 0.2 0.2 0.5 0.5 
PUH-3VKA/PUH-3YKA 0 0 0 0 0 0 0.2 0.2 0.5 0.5 
PUH-4YKSA 0 0 0 0 0 0 0.3 0.3 0.6 0.6 
PUH-5YKSA 0 0 0 0 0 0 0.3 0.3 0.6 0.6 
PUH-6YKSA 0 0 0 0 0 0 0.3 0.3 0.6 0.6
■ Guaranteed Operating Range
Limits Indoors Outdoors
Lower 21ºC DB, 15.5ºC WB -5ºC DB 
Cooling
Upper 35ºC DB, 22.5ºC WB 46ºC DB 
Lower 20ºC DB  -8.5ºC DB, -9.5ºC WB
Heating
Upper 27ºC DB  21ºC DB, 15.5ºC WB 
■ Notes for All Specifications
● Rating conditions:
Cooling - Indoor 27ºCDB, 19ºCWB; Outdoor 35ºCDB 
Heating - Indoor 20ºCD B ; Outdoor 7ºCDB,6ºCWB
● Data based on indicated voltage
Indoor unit : 1-ph, 240V, 50Hz 
Outdoor unit : 1-ph, 240V, 50Hz/3-ph, 415V, 50Hz
● Refrigerant piping length (one-way): 5m (16ft)
● Refrigerant charge is suitable for 5m piping length.
■ Cooling Capacity Correction Factors
Models Correction factors (Cooling / Heating) 
One-way piping length, m 5 10 15 20 25 30 35 40 45 50
PEH-2.5EAK
1.00/1.00 0.989/1.00 0.980/1.00
0.970/1.00
0.960/1.00 0.950/1.00
0 . 9 4 0 / 0 . 9 9 8 0 . 9 3 0 / 0 . 9 9 5 0 . 9 2 0 / 0 . 9 9 3 0 . 9 1 0 / 0 . 9 9 0 
PKH-3FAK, PCH-3GAK, 
PLH-3AAK, PEH-3EAK
1.00/1.00
PKH-4FAK PCH-4GAK, 
PLH-4AAK, PEH-4EAK
1.00/1.00
PCH-5GAK PLH-5AAK, 
PEH-5EAK
1.00/1.00
PCH-6GAK, PLH-6AAK 
PEH-6EAK
1.00/1.00
Max. height difference, m
0. 981/1. 00 0. 96 8/1.0 0 0.952/1.00 0.940/1.00 0.925/1.00
0.989/1.00 0.980/1.00 0.970/1.00 0.960/1.00 0.950/1.00
0. 981/1. 00 0. 96 8/1.0 0 0.952/1.00 0.940/1.00 0.925/1.00
0.975/1.00 0.955/1.00 0.935/1.00 0.918/1.00 0.900/1.00
0 . 9 1 3 / 0 . 9 9 8 0 . 9 0 0 / 0 . 9 9 5 0 . 8 8 6 / 0 . 9 9 3 0 . 8 7 4 / 0 . 9 9 0
0 . 9 4 0 / 0 . 9 9 8 0 . 9 3 0 / 0 . 9 9 5 0 . 9 2 0 / 0 . 9 9 3 0 . 9 1 0 / 0 . 9 9 0
0 . 9 1 3 / 0 . 9 9 8 0 . 9 0 0 / 0 . 9 9 5 0 . 8 8 6 / 0 . 9 9 3 0 . 8 7 4 / 0 . 9 9 0
0 . 8 8 4 / 0 . 9 9 8 0 . 8 6 9 / 0 . 9 9 5 0 . 8 5 5 / 0 . 9 9 3 0 . 8 4 0 / 0 . 9 9 0

14
■ When used in rooms with high ceilings, it is recommended that a ceiling fan or 
circulator be installed to improve air circulation and temperature variations within 
the room.
■ The remote-control circuits under microprocessor control remain on at all 
times whether the air conditioner is or is not in operation. For more economical 
operation, it is recommended that the main power switch be turned off when the 
air conditioner(s) is not used for long periods.
■ Avoid using air conditioning units in areas where they are exposed to oil or oily 
smoke (cooking areas or machine shops). Oil which adheres to the heat 
exchangers will cause reduced efficiency, generate mist and may damage plastic 
components.
■ Avoid exposure to high-frequency waves as this may cause the microprocessor 
to malfunction.
■ Rated noise levels were derived from tests in an anechoic test room. Noise 
levels may therefore be greater depending on the surroundings, application, 
and/or manner of installation.
■ Avoid using air conditioners in rooms with high humidity because excessive 
condensation will occur as the air cools.
■ To avoid fire hazards, do not use air conditioners in areas where inflammable 
gases are present.
■ Odours for buildings, cosmetics, perspiration, cigarette smoke, etc., may 
accumulate in the heat exchanger and emanate from the air conditioner. This is 
not indicative of mechanical trouble.
Obstacle at rear only Service space Top obstacles Obstacles at the right, left
and rear
Obstacles at the front and 
rear only
Obstacle at the front and 
rear only
■ Outdoor Unit Installation Location
• When installing a single outdoor unit:
• When installing many outdoor units:
PUH-2.5, 3 PUH-4,5,6 
100mm or more 150mm or more 
10mm or more 10mm or more 
500mm or more 500mm or more 
500mm or more 
Service space
500mm or more
100mm or more 150mm or more 
500mm or more 500mm or more 
10mm or more 10mm or more 
200mm or more 300mm or more
A 
B 
C 
D
E
F 
G 
H
I
PUH-2.5, 3 PUH-4,5,6 
10mm or more 10mm or more 
Obstruction width: 1.5 times the width of 
outdoor unit or smaller 
Obstruction height: Unit height or lower 
Air outlet guide 
500mm or more 500mm or more 
100mm or more 150mm or more 
3000mm or more 3800mm or more 
100mm or more 150mm or more
J
K
L 
M 
N 
O
P 
Q
Face-to-face arrangement 
(with air outlet guides)
Face-to-face arrangement 
(without air outlet guides)
Parallel arrangement 
(with air outlet guides)
Parallel arrangement 
(without air outlet guides)
Side-by-side arrangement
10mm or more 10mm or more 
200mm or more 300mm or more 
Up to 10 units (When the optional air outlet 
guides are used, no more than five units should 
be arranged side by side.) 
1000mm or more 1000mm or more
PUH-2.5, 3 PUH-4,5,6 
200mm or more 300mm or more 
500mm or more 500mm or more 
200mm or more 300mm or more 
1200mm or more 1500mm or more 
1000mm or more 1500mm or more 
2000mm or more 2500mm or more 
100mm or more 150mm or more
A 
B 
C 
D
E
F 
G 
H
I
J
K
Precautions/recommendations concerning the installation and operation of Mitsubishi Electric Mr. Slim air conditioners.

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
Mitsubishi Electric Shizuoka Works acquired ISO 
9001 certification under Series 9000 of the 
International Standard Organization (ISO) based on 
a review of Quality warranties for the production of 
refrigeration and air conditioning equipment.
Mitsubishi Electric Shizuoka Works acquired environmental management system standard ISO 
14001 certification.
Certificate Number EC97J1132
Certificate Number 49385
L-179-0-C3085-F SI-0608 Printed in Japan(NLP)
NATIONAL
ACCREDITATION
OF CERTIFICATION
BOOIS
ISO 9001
BLACK DIAMOND TECHNOLOGIES
Wellington:
1 Parliament Street 
Po Box 30-772 
Lower Hutt 
Wellington 
Ph: (04) 560 9147 
Fax: (04) 560 9133
Auckland:
Unit 1, 
4 Walls Road 
Po Box 12-726, 
Penrose 
Ph: (09) 526 9347 
Fax: (09) 526 9369
Christchurch:
Suite 2, Level 1, 
37 Mandeville Street 
Po Box 1604 
Ph: (03) 341 2837 
Fax: (03) 341 2838
www.bdt.co.nz
MITSUBISHI ELECTRIC AUSTRALIA PTY LTD.
New South Wales:
348 Victoria Road, 
Rydalmere 2116 
Ph: (02) 9684 7555 
Fax: (02) 9898 1043
Victoria/Tasmania:
Unit 4, 
303 Burwood Highway, 
East Burwood 3151 
Ph: (03) 9262 9855
Fax: (03) 9262 9844
Queensland
Unit 12, 
469 Nudgee Rd., 
Hendra 4011 
Ph: (07) 3623 2000
Fax: (07) 3630 1888
South Australia/ 
Northern Territory:
77 Port Road, 
Hindmarsh 5007 
Ph: (08) 8340 2000 
Fax: (08) 8340 0555
Western Australia:
Unit 5, 
329 Collier Road, 
Bassendean 6054 
Ph: (08) 9377 3400 
Fax: (08) 9377 3499
Far North 
Queensland:
Capricorn Air, 
13 Mackley st, 
Garbutt 4814 
Ph: (07) 4775 5222
Fax: (07) 4775 5305
www.mitsubishielectric.com.au (Incorporated in New South Wales)ABN 58 001 215 792
Revised publication, effective August 2006
Superseding publication of L-179-0-C3085-E November 2005
Specifications subject to change without notice.