Mars Comfort-Aire Century REG-81R01 User manual

Owner’s Manual - REG81-R01, REG123-R01
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517.787.2100 • www.marsdelivers.com
OWNER’S MANUAL
Window Type Room Air
Conditioner with Electric Heat
Model
REG-81R01 REG-123R01
WINDOW TYPE ROOM AIR CONDITIONER
Owner’s Manual
IMPORTANT NOTE:
Before using your air conditioner, please read
this manual carefully and keep it for future reference.
OPP/MSII/COMPII Series
EN

Owner’s Manual - REG81-R01, REG123-R01
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CONTENTS
Safety precautions
Installation instructions
What is in the box
Before you get started
Install your product.
Operation instructions
Get to know your AC.
Get to know the features.
Cleaning & Maintenance
Troubleshooting

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01
Inside you will find many helpful hints on how to use and maintain
your air conditioner properly. Just a little preventive care on your
part can save you a great deal of time and money over the life of
your air conditioner. You'll find many answers to common problems
in the chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call for service at all.
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. The seriousness is classified by the
following indications.
Safety Precautions
Warning
The signal word indicates a hazard with a medium level of risk which, if not avoided, may result in death or serious injury.
Caution
The signal word indicates a hazard with a low degree of risk which, if not avoided, may result in minor or moderate injury.
Explanation of Symbols

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02
Plug in power plug properly. Otherwise, it may cause electric shock
or fire due to excess heat generation. Do not operate or stop the unit
by inserting or pulling out the power plug.It may cause electric shock
or fire due to heat generation. Do not damage or use an unspecified
power cord.It may cause electric shock or fire. If the power cord is
damaged, it must be replaced by the manufacturer or an authorised
service centre or a similarly qualified person in order to avoid a hazard.
Always install circuit breaker and a dedicated power circuit. Incorrect
installation may cause fire and electric shock. Do not operate with wet
hands or in damp environment. It may cause electric shock . Do not
direct airflow at room occupants only. This could damage your health.
Always ensure eective grounding.Incorrect grounding may cause
electric shock. Do not allow water to run into electric parts.It may
cause failure of machine of electric shock. Do not modify power cord
length or share the outlet with other appliances. It may cause electric
shock or fire due to heat generation.
WARNING
Unplug the unit if strange sounds, smell, or smoke
comes from it. It may cause fire and electric shock.
Do not use the socket if it is loose or damaged. It
may cause fire and electric shock. Do not open the
unit during operation. It may cause electric shock.
Keep firearms away. It may cause fire. Do not use
the power cord close to heating appliances.It may
cause fire and electric shock. Do not use the power
cord near flammable gas or combustibles, such as
gasoline, benzene, thinner, etc. It may cause an
explosion or fire.
Ventilate room before operating air conditioner if
there is a gas leakage from another appliance. It may
cause explosion, fire and, burns. Do not disassemble
or modify unit. It may cause failure and electric shock.
When the air filter is to be removed, do not touch the metal parts of
the unit. It may cause an injury.
Ventilate the room well when used together with a stove, etc. An
oxygen shortage may occur.
Do not use strong detergent such as wax or thinner but use a soft cloth.
Appearance may be deteriorated due to change of product color or
scratching of its surface. Do not clean the air conditioner with water.
Water may enter the unit and degrade the insulation. It may cause an
electric shock. Do not use for special purposes. Do not use this air
conditioner to preserve precision devices, food, pets, plants, and art
objects.lt may cause deterioration of quality, etc.
CAUTION
Stop operation and close the window in storm or
hurricane. Operation with windows opened may cause
wetting of indoor and soaking of household furniture.
When the unit is to be cleaned, switch o, and turn o
the circuit breaker.
Do not clean unit when power is on as it may cause fire
and electric shock, it may cause an injury.
Always insert the filters securely. It can be caused
failure if operated without filters. Please clean filter
once every two weeks.

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Cooling
operation
Outdoor temp:
Indoor temp:
Heating
operation
Outdoor temp:
O
O
23-76 F/ C-5-24
Indoor temp:
O
32-80 F/
O
0-27 C
O O O O
64-109 F/18-43 C (64-125 F/18-52 C
for special tropical models)
O
62-90 F/
O
17-32 C
NOTE
Note:Performance may be
reduced outside of these
operating temperatures.
This air conditioner is designed to be operated under the following conditions:
Do not place obstacles around air-inlets or inside of air-outlet.
It may cause failure of appliance or accident. Do not place
heavy object on the power cord and ensure that the cord is
not compressed. There is danger of fire or electric shock. Don’t
drink water drained from air conditioner. It contains
contaminants and could make you sick.
Use caution when unpacking and installing. Sharp edges could
cause injury.
If water enters the unit, turn the unit o at the power outlet
and switch o the circuit breaker. Isolate supply by taking the
power-plug out and contact a qualified service technician.
This appliance is not intended for use by persons(including
children) with reduced physical ,sensory or mental capabilities
or lack of experience and knowledge,
CAUTION
Hold the plug by the head of the power plug when taking
it out. It may cause electric shock and damage. Turn o the
main power switch when not using the unit for a long time.
It may cause failure of product or fire.
Installation must be performed in accordance with the
requirement of NEC and CEC by authorized personnel only.
Do not operate your air conditioner in a wet room such as a
bathroom or laundry room.
The appliance with electric heater shall have at least 1 meter
space to the combustible materials.
Contact the authorised service technician for repair or
maintenance of this unit.
Contact the authorised installer for installation of this unit.
unless they have been given super vision or instruction
concerning use of the appliance by a person responsible for
their safety.
Children should be supervised to ensure that they do not play
with the appliance.
If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent or similarly qualified persons
in order to avoid a hazard.
The appliance shall be installed in accordance with national
wiring regulations.

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NOTE
Operation of Current Device
The power supply cord contains a current device that senses damage to the power cord. To test your power supply cord do
the following:
Plug in the Air Conditioner.
The power supply cord will have TWO buttons on the plug head. Press the TEST button, you will notice a click as the
RESET button pops out.
Press the RESET button again, you will notice a click as the button engages.
The power supply cord is now supplying electricity to the unit. (On some products this is also indicated by a light on the plug head).
Do not, under any
circumstances, cut,
remove, or bypass
the grounding prongs.
Grounding type wall receptacle
Power supply cord with
3-prong grounding plug
and current detection
device.
Do not use this device to turn the unit on or o.
Always make sure the RESET button is pushed in for
correct operation.
The power supply cord must be replaced if it fails to
reset when either the TEST button is pushed or if it
cannot be reset. A new one can be obtained from the
product manufacturer.
The power supply cord with this air conditioner
contains a current detection device designed to reduce
the risk of fire.
In the event that the power cord is damaged, it cannot
be repaired – it must be replaced with a cord from the
product manufacturer.

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Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
To reduce the risk of fire, electrical shock, or injury to persons
when using your air conditioner, follow basic precautions,
including the following:
Be sure the electrical service is adequate for the model you
have chosen. This information can be found on the serial
plate, which is located on the side of the the cabinet and
behind the grille.
For Your Safety
Prevent Accidents
If the air conditioner is to be installed in a window,you will
probably want to clean both sides of the glass first. If the
window is a triple-trackty pew it has creen panel included,
remove the screen completely before installation.
Be sure the air conditioner has been securely and correctly in
stalled according to the installation instructions in this manual.
Save this manual for possible future use in removing or
installing this unit. When handling the air conditioner, be
careful to avoid cuts from sharp metal fins on front and rear
coils.
WARNING
The complete electical rating of your new room air conditioner
is stated on the serial plate. Refer to the rating when checking
the electrical requirements.
Be sure the air conditioner is properly grounded. To minimize
shock and fire hazards, proper grounding is important. The
power cord is equipped with a three-prong grounding plug
for protection against shock hazards.
Your air conditioner must be used in a properly grounded
wall receptacle. If the wall receptacle you intend to use is not
adequately grounded or protected by a time delay fuse or
circuit breaker, have a qualified electrician install the proper
receptacle. Ensure the receptacle is accessible after the unit
installation.
Do not run air conditioner without side protective cover in
place.This could result in mechanical damage within the air
conditioner.
Do not use an extension cord or an adapter plug.
Electrical Information
Avoid fire hazard or electric shock. Do not use an extension
cord or an adapter plug. Do not remove any prongs from
the power cord.
Electronic Work
NOTE: The cographs are for
explanation purpose only. Your
machine may be slightly dierent.
The actual shape shall prevail.
WARNING:
BEFORE PERFORMING ANY ELECTRICAL OR WIRING
WORK, TURN OFF THE MAIN POWER TO THE SYSTEM.
DISPLAY
MAIN
CONTROL
POWER
SUPPLY
CORD

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What is in the Box. Package content
06
The unit you purchased may look like
something dierent, please refer to the
material in kind.
ＬＥＦＴ ＲＩＧＨＴ
X4
X2 X2 X7
Top Rail 3/8in Screws
5/8in Screws and
Safety Lock(3 Types)
Frame Assembly(Left) Frame Assembly(Right)
Foam insert(E-Star model only)
Window Sash Seal
Foam (with glue)
Window Sash Seal
Foam (non glue)
Window Type Room
Air Conditioner unit
NOTE
Level
Ruler or tape measureDrill
*Not Included
PencilGloves Screwdriver Scissors
Prepare the following tools

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Before you get started.
NOTE
Installing your AC should take about
60 minutes.
The installation must be carried out
in strict accordance with the instructions
in this manual.
Manual
We recommend doing this with a helper. We’re here if you need us, please contact
your local distributor for assistance.
Save Carton and these Installation
Instructions for future reference.
The carton is the best way to
store unit during winter, or when
not in use.
Preparations before installation
07
WINDOW REQUIREMENTS
23in to 36in
(584mm to 914mm)
H
Your air conditioner is designed to install in standard double hung windows with opening widths of
23 to 36 inches (584mm to 914mm).
13in(330mm) 14in(356mm) 15-1/2in(394mm)
Window opening height 5000~6000Btu/h 6000~8000Btu/h 10000~14500Btu/h
H
CAUTION
Do not, under any circumstances, cut or remove the third (ground) prong from the power cord.
Do not change the plug on the power cord of the air conditioner. Aluminum house wiring may
present special problems- consult a qualified electircian.When handling unit, be careful to avoid
cuts from sharp metal edges and aluminum fins on front and rear coils.
The rear of the unit must be outdoors, not inside a building or garage.

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Installation overview.
ＲＩＧＨＴ
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8
Top Rail and 3/8in Screws
Air Conditioner unit
1
2
3
4
5
6
7
8
Safety Lock and 5/8in Screws
Safety Lock and 5/8in Screw
Frame Assembly(Left)
Frame Assembly(Right)
Window Sash Seal Foam
Remote controller
Illustrations in this manual are for
explanatory purposes. The actual
shape of your indoor unit may be
slightly dierent. The actual shape
shall prevail.
NOTE
Installation Completion Display

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1Step
Install
your AC unit.
What you need.
ＲＩＧＨＴ
ＬＥＦＴ

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Install you AC.
*The top rail must be assembled on
the unit for <10000Btu/h models only.
Install the top rail
on the AC.
Install the Top Rail on the AC with 4
Screws(3/8in), For safety reasons, all
4 screws MUST be securely fastened.
1
Ｒ ＩＧ Ｈ Ｔ
Pull the panels
out around.
2
Install the
accordion panels.
3
Pull the Left&Right Panels
out half way around.
Insert the card slot on the side
of the AC, pay attention to the
left and right dierences of
the Panel.
Ｒ ＩＧ Ｈ Ｔ
NOTE: Top rail and Sliding
Panels at each side are
oset to provide the proper
pitch to the rear of (5/16 ").
This is necessary for proper
condensed water utilization
and drainage. If you are not
using the Side Panels for
any reason, this pitch to the
rear must be maintained.

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ＲＩＧＨＴ
ＬＥＦＴ
4 5
Fasten the panels to the AC.
Stretch the wind screen outward and insert the upper
and lower frame strips of the Panels into the AC
card slot.
ＲＩＧＨＴ
ＬＥＦＴ
A
A
C C
BA
A
The AC unit is done.
Before you rush to the
next installation phase,
please first confirm the
following installation is
in place.
A. the upper and lower frame strips of the
Panels into the AC card slot.
B. Top Rail on the AC with 4 Screws.
C. Insert the card slot on the side of the AC.
Install you AC.

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2Step
Insulate
your window.
What you need.

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1 2
Cut the seal foam to the
width of your window,
and stick it of the underside.
You should cut the foam to be the width of your window
from the left to the right side. Make sure you’re cutting the
foam with the adhesive, and stick it of the underside.
In order to improve the operation of the equipment and
reduce the noise generated during operation, you need
to foam seal the gaps.
Insert the foam to the gaps.
*If your window already has a liner or insulation strip,
you can skip the above steps.
Insulate your window.

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ＲＩＧＨＴ
ＬＥＦＴ
3Step
Lift the AC into
the window.
What you need.

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ＲＩＧＨＴ
ＬＥＦＴ
1
Together with your helper,
lift the assembled AC into
the window frame.
Make sure you do this step with a helper. Very carefully, lift
the assembled AC into the window frame. Make sure someone
is holding the back of the unit securely.
*It’s helpful to rest the unit on the inside window sill until you’re
ready to reposition it correctly. Injury (to you and others) and
property damage can occur if not done correctly.
*Check that air conditioner is tilted back about 3°to 4°downward to the
outside. After proper installation, condensate should not drain from the
overflow drain hole during normalu se,correct the slope otherwise.
2
Properly position the bottom bar
BEHIND the inside window sill.
Properly position the bottom bar behind the inside window sill and into the
bottom horizontal channel of the window frame. The front of the bottom bar
should be pressing up against the back edge of the sill.
Wooden Windows
Angle：3-4°
Outside Outside Inside Inside
Vinyl-Clad Windows
Angle：3-4°
Lift the AC into the window.

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ＲＩＧＨＴ
ＬＥＦＴ
Storm window
frame or other
obstruction.
SASH
1-1/2"min
(38 mm)
Board
thickness
as required,
for proper
pitch to rear,
along entire
sill. Fasten
with nails or
screws.
CAUTION: If storm window blocks AC,
Please install according to the figure above. 3
Once the AC is centered and the bottom bar is successfully
positioned, close the window down onto the AC, behind
the top bar. See diagram above. Pull the panels to the side
of the window.
Close the window down onto
the AC, and pull the panels to
the side of the window.
Lift the AC into the window.

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ＲＩＧＨＴ
ＬＥＦＴ
4Step
What you need.
Secure the AC.

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Follow the above instructions
and drive the screws.
ＲＩＧＨＴ
ＬＥＦＴ
Secure the AC.
or
DRIVE LOCKING
SCREWS.
1
Drive 1/ 2" (12.7 mm) locking
screws through the frame lock
and into the sill(Only wooden
windows).
NOTE:To prevent window sill
from splitting, drill 1/8 " (3mm)
pilot holes before driving
screws.
1/8 " (3mm) pilot holes before
driving screws. Drive 1/ 2" (12.7mm)
locking screws through frame holes
into window sash(Only wooden
windows:).
Drive 1/ 2" (12.7 mm) locking screws
through the frame lock and into the
window sashl(Only Vinyl-Clad windows).
NOTE: Before driving the screws, use
a drill to drill 5 holes through the holes
in the frame lock and frame extensions
into the windows sash as
shown.