
Owner's Manual
TABLE OF CONTENTS
A NOTE ABOUT SAFETY .................................................................................. 2
MODEL NUMBER NOMEN( LATURE ...................................................................... 2
ENVIRONMENTAL N()TI(E ............................................................................... 4
SAFETY PRE(AUTIONS .................................................................................. 5
OPERATING INSTRU(TIONS ............................................................................. 7
(ARE AND MAINTENAN( E ............................................................................... 24
OPERATION TIPS ........................................................................................ 30
TROUBLESHOOTING TIPS ................................................................................ 32
PAGE
NOTE TO EQUIPMENT OWNER:
Please read this Owner's Information Manual carefully before installing and using this appliance
and keep this manual for future reference.
For your convenience, please record the model and serial numbers of your new equipment in the
spaces provided. This information, along with the installation data and dealer contact information,
will be helpful should your system require maintenance or service.
UNIT INFORMATION
Model #
Serial #
INSTALLATION INFORMATION
Date Installed
DEALERSHIP CONTACT INFORMATION
Company Name:
Address:
Phone Number:
Technician Name:

A NOTE ABOUT SAFETY
Any time you see this symbol /_ in manuals, instructions and on
the unit, be aware of the potential for personal injury. There are
three levels of precaution:
DANGER identifies the most serious hazards which will result in
severe personal injury or death.
WARNING signifies hazards that could result in personal injury or
death.
CAUTION is used to identify unsafe practices which could result
in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result in
enhanced installation, reliability, or operation.
PERSONAL INJURY, DEATH AND / OR PROPERTY
DAMAGE HAZARD
Failure to follow this warning could result in personal iniury,
death or property damage.
Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical shock,
or other conditions which may cause personal iniury or
property damage. Consult a qualified installer, service agency,
or your distributor or branch for information or assistance. The
qualified installer or service agency must use
factory-authorized kits or accessories when modifying this
product.
Read and follow all instructions and warnings, including labels
shipped with or attached to unit before operating your new air
conditioner.
Model Numbers
1.5
2.25
3
4
18,000
27,000
36,000
48,000
208/230-1
208/230-1
208/230-1
208/230-1
38MGQC18--3
38MGQD27--3
38MGQF36--3
38MGQF48--3
Model number Nomenclature
40 MA Q B 09 3
i _ Digit 12 indicates voltage
Digits 7, 8 indicate the system's capacity in 1000
BTU/Hr
Example: 09 = 9000 BTU/Hr
Maximum Number of fan coil units connected to the outdoor unit
B=1:I
Digit 5 indicates the system*s type:
C = Cooling only;
Q = Heat pump
1 = 115/I/60
3 = 208-230-!-60Hz
Digits 10,11 -blank
Digit 9- Indoor Fan Coil Unit Type
B = High-Wall
C = Cassette
D = Ducted
F = Console
G = Underceiiing
H = High Wall Color Variation
- = Outdoor
Digits 3 and 4 represent the model
The first two digits indicate the equipment type,
40 = Indoor unit;
38 = Outdoor uni
2

CAUTION
• Contact an authorized service technician for repair or maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young children or invalids without supervision.
• Young children should be supervised to ensure that they do not play with the air conditioner.
• If the power cord is to be replaced, replacement work shall be performed by authorized personnel only.
• Installation work must be performed in accordance with the national wiring standards by authorized
personnel only.
3

i
ENVIRONMENTAL NOTICE
When using this air conditioner in the European countries, the follow information must be
followed:
DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste
separately for special treatment is necessary.
It is prohibited to dispose of this appliance in domestic household waste.
For disposal, there are several possibilities:
A) The municipality has established collection systems, where electronic waste can be disposed of
B) When buying a new product, the retailer will take back the old product free of charge.
C) The manufacturer will take back the old appliance for disposal.
D) As old products contain valuable resources, they can be sold to scrap metal dealers.
Wild disposal of waste in forests and landscapes endangers your health when hazardous substances
leak into the ground-water and find their way into the food chain.
4

SAFETY PRECAUTIONS
To prevent injury to the user or other people and property damage, the following instructions must be
followed. Incorrect operation due to ignoring of instructions may cause harm or damage.
i
f
• The seriousness is classified by the following indications.
_ WARNING This symbol indicates the possibility of death or serious injury. -'_
CAUTION This symbol indicates the possibility of injury or damage to property. J
j.
Meanings of symbols used in this manual are as shown below.
Never do this.
Always do this.
WARNING1
• Otherwise, it may cause electric • It may cause electric shock or fire • It may cause electric shock or fire.
shock or fire due to excess heat due to heat generation.
generation.
• It may cause electric shock or
fire due to heat generation.
• It may cause electric shock. •
• No grounding may cause electric • It may cause machine failure
shock, or electric shock.
• It may cause fire and electric
shock.
• Otherwise risk of fire or
electric shock.
This could damage your health.
• Failure to install may cause fire
and electric shock.
• It contains contaminants and
could make you sick.
• It may cause electric shock.
• It may cause fire and electric
shock.
• It may cause explosion, fire and, burns.
• It may cause an explosion or fire.
• Doing so may result in unit failure and electric shock.
/
5

SAFETY PRECAUTIONS
i
f
CAUTION I
• Doingsomay cause an injury. • Watermayentertheunitanddegrade
the insulation. It may cause an electric
shock.
• An oxygen shortage
may occur.
Do not clean unit when power is on
as it may cause fir,electric shock,
or it may cause an injury.
This could injure the pet or
plant.
Do not use this air cond-
itioner to preserve preci-
sion devices food pets
plants, and art objects.
It may cause deterioration
of quality, etc.
Operation with windows opened may
allow water to enter the interior
space and soak or damage interior
items.
• It may cause failure of teh
appliance or accident.
• It may cause failure of
proauct or Tire.
• Appearance may be deteriorated due • If bracket is damaged, there is
to change of product color or risk of damage due to falling of
scratching of its surface, unit.
• Operation without filters
may cause failure.
Do not operate your air conditioner
in awet room such asa bathroom
or laundry room.
• Children should be supervised to
ensure they do not play with
the appliance.
• There is danger of fire or
electric shock.
J
6

OPERATING INSTRUCTIONS
identification of parts
Indoor unit
-- One-five
-- One-four
-- One-thr ee__
--One-tw_n_
l_°°r unlt _I_ Airinlet _b _._
Air outlet
Outdoor unit
Indoor unit
1. Panel frame
2. Rear air intake grille
3. Front panel
4. Air Purifying filter and Air filter(behind)
5. Horizontal louver
6. LCD display window
7. Vertical louver
8. Manual control button(behind)
9. Remote controller holder
Outdoor unit
10. Drain hose, refrigerant connecting pipe
11. Connective cable
12. Stop valve
13. Fan hood
Display window
NOTE: The display window on the air
conditioneryou purchased may look like
one of the following:
(A)
(B)
7

OPERATING INSTRUCTIONS
Signal receptor
(2)
(3)
run auto timer ion defrost
c,',_ (_ e :!:!:
Temperature
I....='"'"'ssl
(4)
(5)
/
i
auto
O © ©x
timer defrost iii°n '
NDD_ NDD_
[] [][] [] _
[] [][] []
[] B[] B_
(6)
_c_X
(7)
©
_U_U_
@
®
0
®
@
OPERATION display
Displays when the air conditioner is in
operation.
AUTO operation display
Displayed during the Auto operation.
DEFROST operation display
(For Heating and Cooling model only):
Displays when the air conditioner starts
defrosting automatically or when the warm
air control feature is activated in the heating
operation.
TIMER display
Displays during the Timer operation.
CLEAN AIR display(optional)
Displays when the CLEAN AIR feature
is activated.
TURBO operation display
Displays when a user selectstheTURBO
function on the cooling operation oron the
heating operation.
DIGITAL DISPLAY
Displays the current setting temper-
ature when the air conditioner is in
operation.
_ _FAN SPEED display
Displays the selected fan speed:
LOW(_), MED(@d_) and
HIG H(_d_d._).
E_
[2
D
o
u
i=III
Frequency indication lamp
This display is separated into five zones.
The zones illuminate based on the
compressor current frequency. For example,
higher frequency illuminates more zones.
g