Page 1
Owner’s Manual
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Portable Room Air Conditioner
Owner’s Manual for:
PS-81B
PS-101B
517.787.2100 • www.marsdelivers.com • www.heatcontroller.com
Page 2
Owner’s Manual - PS-81B / PS-101B
SOCIABLE REMARK
Sociable remark..................................................................................................................................2
SAFETY PRECAUTIONS
Safety rules .......................................................................................................................................3
Operating condition ................................
Electrical information .........................................................................................................................4
Accessories .......................................................................................................................................4
Names of parts......
Electronic control operating instructions ...........................................................................................6
Operating instructions .......................................................................................................................7
Loc
ation ............................................................................................................................................9
Window kit installation ......................................................................................................................9
Exhaust hose installation ...........................................................................................
Water drainage ................................................................................................................................13
AIR CONDITIONER FEATURES
OPERATING INSTRUCTIONS
INSTALLATION INSTRUCTIONS
IDENTIFICATION OF PARTS
Read This Manual
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.
!
CAUTION
Contact the 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 infirm persons 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.
When there are wide differences between USER S MANUAL and Remote controller
Illustration on function description, the description on USER S MANUAL shall prevail.
Page 3
Owner’s Manual - PS-81B / PS-101B
SOCIABLE REMARK
Sociable remark..................................................................................................................................2
SAFETY PRECAUTIONS
Safety rules .......................................................................................................................................3
Operating condition ........................................
Electrical information .........................................................................................................................4
IDENTIFICATION OF PARTS
Accessories .......................................................................................................................................4
Names of parts..............
.....................................................................................................................5
AIR CONDITIONER FEATURES
Electronic control operating instructions ...........................................................................................6
OPERATING INSTRUCTIONS
Operating instructions .......................................................................................................................7
CONTENTS
...................................................................................3
INSTALLATION INSTRUCTIONS
Location ...
Window kit installation ......................................................................................................................9
Exhaust hose installation ...................................................................................................
Water drainage ................................................................................................................................13
.........................................................................................................................................9
.............12
CARE AND MAINTENANCE
Care and cleaning ....................................................................................................................14
TROUBLESHOOTING TIPS
Trouble shooting ..............................................................................................
................................14
NOTE
The rating data indicated on the energy label is based
on the testing condition of installing the un-extended
air exhaust duct without adaptor A & B (The duct and
the adaptor A & B are listed in the accessories chart
of the Instruction Manual). See the right figure. At the
same time, the unit must be operate on the COOL
MODE and HIGH FAN SPEED by remote controller.
1
Page 4
Owner’s Manual - PS-81B / PS-101B
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.
Your air conditioner should be used in such a way
that it is protected from moisture. e.g. condensation,
splashed water, etc. Do not place or store your air
conditioner where it can fall or be pulled into water
or any other liquid. Unplug immediately if it occurs.
Always transport your air conditioner in a vertical
position and stand on a stable, level surface during
use.
Turn off the product when not in use.
Always contact a qualified person to carry out
repairs. If damaged power supply cord must be
replaced with a new power supply cord obtained
from the product manufacturer and not repaired.
Keep an air path of at least 30cm all around the
unit from walls, furniture and curtains.
If the air conditioner is knocked over during use,
turn off the unit and unplug from the main supply
immediately.
Always use the switch on the control panel.
Use the unit in the recommended room size.
Locate the unit where furniture cannot obstruct the air flow.
Keep blinds/curtains closed during the sunniest part of the day.
Keep the filters clean.
Keep doors and windows closed to keep cool air in and warm air out
(cooling mode) or keep warm air in and cool air out(heating mode)..
The air conditioner must be operated within the temperature range indicated below:
Operating c ondition
Safety r ules
MODE ROOM TEMPERATURE
COOL
SOCIABLE REMARK
When using this air conditioner in the European countries, the following 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 at least free of charge to the user.
B) When buying a new product, the retailer may take back the old product free
of charge.
C) The manufacture may take back the old appliance for disposal free of charge
to the user.
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.
2
Page 5
Owner’s Manual - PS-81B / PS-101B
SAFETY PRECAUTIONS
Safet y r ules
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.
Always do this
!
Do not operate your air conditioner in a wet room
Your air conditioner should be used in such a way
that it is protected from moisture. e.g. condensation,
splashed water, etc. Do not place or store your air
conditioner where it can fall or be pulled into water
or any other liquid. Unplug immediately if it occurs.
Always transport your air conditioner in a vertical
position and stand on a stable, level surface during
use.
Turn off the product when not in use.
Always contact a qualified person to carry out
repairs. If damaged power supply cord must be
replaced with a new power supply cord obtained
from the product manufacturer and not repaired.
Keep an air path of at least 30cm all around the
unit from walls, furniture and curtains.
If the air conditioner is knocked over during use,
turn off the unit and unplug from the main supply
immediately.
Always use the switch on the control panel.
Use the unit in the recommended room size.
Energy Save
such as a bathroom or laundry room.
Do not touch the unit with wet or damp hands or
when barefoot.
Do not press the buttons on the control panel with
anything other than your fingers.
Do not remove any fixed covers. Never use this
appliance if it is not working properly, or if it has
been dropped or damaged.
Never use the plug to start and stop the unit.
Do not cover or obstruct the inlet or outlet grilles.
Do not use hazardous chemicals to clean or come
into contact with the unit. Do not use the unit in the
presence of flammable substances or vapour such
as alcohol, insecticides, petrol, etc.
Do not allow children to operate the unit
unsupervised.
Do not use this product for functions other than
those described in this instruction manual.
Locate the unit where furniture cannot obstruct the air flow.
Keep blinds/curtains closed during the sunniest part of the day.
Keep the filters clean.
Keep doors and windows closed to keep cool air in and warm air out
(cooling mode) or keep warm air in and cool air out(heating mode)..
Never do this
Operating conditi on
The air conditioner must be operated within the temperature range indicated below:
MODE ROOM TEMPERATURE
COOL
DRY
HEAT(heat pump type)
HEAT(electrical heat type)
O O
17 C(62 F)~35
O O
13 C(55 F)~35
O O
5 C(41 F)~
O O
<30 C/86 F
O O
C(95 F)
O O
C(95 F)
O O
30 C(86 F)
Suggested tools for window kit installation
1. Screwdriver(medium s ize Phillips)
2. Tape measure or rule r
3. Knife or scissors
4. Saw(In the event that the window kit needs to be cut down in si ze because
the window is too narrow for di rect installation)
3
Page 6
Owner’s Manual - PS-81B / PS-101B
6
13
14
IDENTIFICATION OF PARTS
For your sa fety
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
Avoid fire hazard or electric shock. Do not use an extension cord or an adaptor plug. Do not remove
any prong from the power cord.
WARNING
Electrical Information
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 cabinet and behind the grille.
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.
Accessories
PARTS :
or
PARTS NAME :
Exhaust hose(supplied), adapter B(round
mouth or flat month:depending on models)
and
Window Slider Kit and bolt
Adaptor B(round mouth)
(? )
(? )
QUANTITY :
1 set
1 set
Wall Exhaust Adaptor A( ? )
Expansion Plug and wooden screw(? )
Foam seal
AUTO
COOL
DRY
HEAT
SET TEMPERA
MODE
SWING
ION
FOLLOW
ME
RESET LOCK
TEMP
ECONOMY
ON/OFF
LED
DISPLAY
TURBO
TURE( C)
FAN SPEED
TIMER OFF
TIMER ON
FAN
HIGH
MED
LOW
Remote Controller and Battery
(For remote control models only)
(? )
Drain hose
1 pc
4/ pc
3/pc
1set
1pc
NOTE: Optional pa rts( ), some models wit hout.
Check that all the accessories are included in the package and please refer to the installation instructions for
their usage.
NOTE:
All the illustratio ns in this manual are for e xplanation purpos e only. Your air conditioner
may be slightly diffe rent. The actual shap e shall prevail.
4
Page 7
Owner’s Manual - PS-81B / PS-101B
IDENTIFICATION OF PARTS
NAMES OF PARTS
1
Front
2
Operation Panel
6
3
4
1
2
Remote Signal Receptor
5
Horizontal Louver Control Lever
3
(adjust
4
Vertical Louver Control Lever
manually)
(adjust manually)
5
Fig.1
Panel
6
Carrying Handle
(both sides)
Rear
14
13
12
Fig.2
7
8
9
10
11
Upper Air Filter
7
(Behind the grille)
8
Air Intake
Air Outlet
9
Lower Air Filter
10
(Behind the grille)
11
Air Intake
Bottom tray drain outlet
12
13
Wheel
Drain Outlet
14
5
Page 8
Owner’s Manual - PS-81B / PS-101B
Selects the appropriate operating mode.
Each time you press the button, a mode
is selected in a sequence that goes from
COOL, FAN and DRY .The mode indicator
light illuminates under the different mode
setting.
NOTE: On above modes, the unit operates the
auto fan speed automatically. You can
set fan speed only by the remote controller on
COOL and FAN modes.
UP( ) and DOWN( ) button
2
1
MODE select button
Power switch on/off.
ON-OFF button
4
Shows the set temperature while on cool mode.
While on DRY and FAN modes, it s hows the room
temperature.
LED Display
Error codes:
Used to adjust (increasing/decreasing)
temperatures ettings in 1 C/2 F(or 1 F) inc rements
in a range of 17 C/62 F to 30 C/88 F (or 86 F).
NOTE: The control is capable of displaying
temperature in degrees Fahrenheit or degrees
Celsius. To convert from one to the other, press
and hold the Up and Down buttons at the same
time, for 3 seconds.
3
AIR CONDITIONER FEATURES
ELECTRONIC CONTROL O PERATI NG INSTRUCTIONS
Before you begin, thoroughly familiarize yourself with the control panel and remote con tr oller
and all its functions, then follow the symbol for the functions you desire.
The unit can be controlled by the unit control panel alone or with the remote controller .
NOTE: This manual does not include Remote Controller Oper ations, see the <<Remote
Controller Instruction>> packed with the unit for details.
OPERATION PANEL OF THE AIR CONDITIONER
4
1
Fig.3
Power indicator
2
light
2
Timer mode indicator
light (set only by remote
controller)
3
6
Page 9
Owner’s Manual - PS-81B / PS-101B
MODE select button
1
Selects the appropriate operating mode.
Each time you press the button, a mode
is selected in a sequence that goes from
COOL, FAN and DRY .The mode indicator
light illuminates under the different mode
setting.
NOTE: On above modes, the unit operates the
auto fan speed automatically. You can
set fan speed only by the remote controller on
COOL and FAN modes.
2
UP( ) and DOWN( ) button
Used to adjust (increasing/decreasing)
temperatures ettings in 1 C/2 F(or 1 F) inc rements
in a range of 17 C/62 F to 30 C/88 F (or 86 F).
NOTE: The control is capable of displaying
temperature in degrees Fahrenheit or degrees
O O O O O
O O O
Celsius. To convert from one to the other, press
and hold the Up and Down buttons at the same
time, for 3 seconds.
3
ON-OFF button
Power switch on/off.
LED Display
4
Shows the set temperature while on cool mode .
While on DRY and FAN modes, it shows the room
temperature.
Error codes:
E1- Room temperature sensor error -
Unplug the unit and plug it back in.
If error repeats, call for servic e.
E2- Evaporator temperature sens or error Unplug the unit and plug it back in.
If error repeats, call for servic e.
E4- Display panel communication e rror-
Unplug the unit and plug it back in.
If error repeats, call for servic e.
Protection codes:
P1- Bottom tray is full - Connect the
drain hose and drain the collected
water away. If error rep eats, call
for service.
OPERATING INSTRUCTIONS
Operating Instructions
COOL operation
- Press the "MODE" button until the "COOL"
indicator light comes on. The unit will operate
the auto fan speed automatically.
- Press the ADJUST buttons "▲" or " " to
select your desired room temperature. The
temperature can be set within a range of
O O O O O
17 C-30 C/62 F-88 F(or 86 F).
- Press the "FAN" button on the remote cotroller
t o c hoose t he f an s peed.
DRY operation
- Press the "MODE" button until the "DRY"
indicator light comes on.
- Under this mode, you cannot select a fan
speed or adjust the temperature.
- Keep windows and doors closed for the best
dehumidifying effect.
- Do not put the duct to window.
FAN operation
- Press the "MODE" button until the "FAN "
indicator light comes on. The unit will operate
the auto fan speed automatically. The
temperature cannot be adjusted on fan mode.
- Press the "FAN" b utton on the remote cotroller
t o c hoose t he f an s peed.
- Do not put the duct to window.
SLEEP operation
This feature can be activated from the
remote control ONLY.
To activate SLEEP feature, the set temperature
will increase by 1 C/2 F(or 1 F) in 30 minutes.
The set temperature will then increase by
another 1 C/2 F(or 1 F) after an additional 30
O O O
minutes. This new temperature will be maintained
for 7 hours before it returns to the originally
selected temperature. This ends the Sleep mode
and the unit will continue to operate as originally
programmed.
NOTE: This feature is unavailabe under FAN or
DRY mode.
O O O
▲
7
Page 10
OPERATING INSTRUCTIONS
Horizontal
window
30cm
Horizontal
window
Horizontal
window
Window Slider Kit
Minimum:67.5cm (2.22ft ).
Maxmum:123cm(4 .04ft).
Window Slider Kit
Minimum:67.5cm (2.22ft ).
Maximum:123cm( 4.04ft) .
Window Slider Kit
12”
Adjust
manually
Adjust
manually
Owner’s Manual - PS-81B / PS-101B
Other features
Auto-Restart
If the unit breaks off unexpectedly due to a power
outage, it will restart with the previous function
setting automatically when the power resumes.
Wait 3 minutes before resuming operation
After the unit has stopped, it can not be restarted
for 3 minutes. This is to protect the unit. Operation
will automatically start after 3 minutes.
POWER MANAGEMENT feature
When the ambient temperature is lower than the
setting temperature for a period of time, the unit
will automatically operate power management
feature. T
When the ambient temperature is higher than the
setting temperature, the unit will automatically
quit the power management feature. T
compressor and (or) fan motor will run.
Air flow direction adjustment
Adjust the air flow direction manually
(Fig.4):
The louver can be set to the desired position
manually.
Do not place any heavy objects or other loads
on the louver, doing so will cause damage to
the unit.
Ensure the louver is fully opened under
heating operation.
Keep the louver fully opened during
operation.
he compressor and fan motor will stop.
he
Fig.4
8
Page 11
Owner’s Manual - PS-81B / PS-101B
or
30cm
30cm
12”
Horiz ontal
windo w
Windo w Slide r Kit
Minim um:67 .5cm( 2.22ft).
Maxmu m:123 cm(4. 04ft).
12”
30cm
12”
or
Horiz ontal
windo w
Windo w Slide r Kit
Minim um:67 .5cm( 2.22ft).
Maxim um:12 3cm(4 .04ft).
INSTALLATION INSTRUCTIONS (optional)
INSTALLATION INSTRUCTIONS
Location
The air conditioner should be placed on a firm
foundation to minimize noise and virbration. For
12”
30cm
safe and secure positioning, place the unit on a
smooth, level floor strong enough to support the unit.
The unit has casters to aid placement, but it should
only be rolled on smooth, flat surfaces. Use caution
Fig.5
when rolling on carpet surfaces. Do not attempt to
roll the unit over objects.
The unit must be placed within reach of a properly
rated grounded socket.
Never place any obstacles around the air inlet or
outlet of the unit.
Allow at least 30cm of space from the wall for
efficient air-conditioning.
Window Slider kit Installation
Your window slider kit has been designed to fit most
standard "Vertical" and "horizontal"window
applications, However, it may be necessary for you to
improvise/modify some aspects of the installation
procedures for certain types of window. Please refer
to Fig. 6 & Fig.7 for minimum and maximum window
openings. Window slider kit can be fixed with a bolt
(see Fig.7a).
Note: If the window opening is less than the mentioned
Fig.6
minimum length of the window slider kit, cut the side
with a hole in it short to fit for the window opening.
Never cut out the hole in window slider kit.
Horiz ontal
windo w
Windo w Slide r Kit
Minim um:67 .5cm( 2.22ft).
Maxmu m:123 cm(4. 04ft).
Horiz ontal
windo w
Windo w Slide r Kit
Minim um:67 .5cm( 2.22ft).
Maxmu m:123 cm(4. 04ft).
or
Fig.7
bolt
9
or
Windo w slide r kit
Fig.7a
bolt
Windo w
slide r kit
Page 12
INSTALLATION INSTRUCTIONS (optional)
Foam seal
Window
panel
Window
panel
or
Owner’s Manual - PS-81B / PS-101B
26.5 ~ 48.0
26.5 ~ 48.0
or
Foam seal A
(adhesive type)
Window kit
Window stool
Window kit
Window stool
Fig.9
Fig.8
Installation in a double-hung sash
window
1. Cut the foam seal(adhesive type) to the proper
length and attach it to the window stool. Fig.8
2. Attach the window slider kit to the window stool.
Adjust the length of the window slider kit according
to the width of window, shorten the adjustable window
kit if the width of window is less than 26.5 inches. Open
the window sash and place the window slider kit on the
window stool. See Fig.9.
3. Cut the foam seal(adhesive type) to the proper
length and attach it on the top of the window. Shown
as in Fig.10.
4. Close the window sash securely against the
window.
5. Cut the foam seal to an appropriate length and
seal the open gap between the top window sash
and outer window sash. Shown as in Fig.11.
or
Foam seal
Window kit
Window stool
Window kit
Window stool
Fig.10
Fig.11
10
Page 13
Owner’s Manual - PS-81B / PS-101B
Foam seal A
(adhesive type)
Fig.12
Window
panel
26.5 ~ 48.0
INSTALLATION INSTRUCTIONS (optional)
Installation in a sliding sash
window
1. Cut the foam seal(adhesive type) to the proper
length and attach it to the window frame,Fig.12.
2. Attach the window slider kit to the window stool.
Adjust the length of the window slider kit according
to the width of window, shorten the adjustable window
kit if the width of window is less than 26.5 inches. Open
the window sash and place the window slider kit on
the window stool. See Fig.13.
Window
panel
or
3. Cut the foam seal(adhesive type) to the proper
length and attach it on the top of the window.
Shown as in Fig.14.
4. Close the sliding sash securely against the window.
26.5 ~ 48.0
5. Cut the foam seal to an appropriate length and
seal the open gap between the top window sash
and outer window sash. Shown as in Fig.15.
Fig.13
or
Fig.14
Foam seal
Fig.15
11
Page 14
Fig.21
Continuous
drain hose
INSTALLATION INSTRUCTIONS (optional)
Exhaust hose installation:
The exhaust hose and adaptor must be installed or removed
Fig.16
Fig.17
in accordance with the usage mode.
COOL, AUTO mode
Owner’s Manual - PS-81B / PS-101B
Install
Expansion plug
position
Adaptor A
Adaptor
cap
Fig.18
FAN,DEHUMIDIIFY mode
Remove
1. Install the window Exhaust adaptor B onto the exhaust
hose as shown in Fig.16. or Fig.17. Refer to the previous
pages for window kit installation.
2. Push the Exhaust hose into the air outlet opening along the
the arrow direction(See Fig.18).
The exhaust hose can be installed into the wall
(Not applicable to units without adaptor A, expansion
plugs and wooden screws of Accessories ).
1. Prepare a hole in the wall. Install the wall Exhaust adaptor A
onto the wall(outside) by using 4 expansion plugs and
wooden screws, be sure to fix thoroughly. (See Fig.19)
2. Attach the Exhaust hose adaptor B(round mouth)
to wall Exhaust adaptor A.
Note:
Cover the hole using the adaptor cap when not in use.
The duct can be compressed or ex tended moderately
according to the installation requirement, but it is
desirable to keep the duct length to a minimum.
IMPORTANT:
DO NOT OVER BEND THE DUCT (SEE Fig.20)
max 120CM
min 30CM
Fig.19
Fig.20
CAUTION:
Make sure that there is no obstacle around the air outlet of
the exhaust hose (in the range of 500mm) so that the
exhaust system works properly.
12
Page 15
Owner’s Manual - PS-81B / PS-101B
INSTALLATION INSTRUCTIONS
Water drainage:
Fig.21
Continuous
drain hose
Remove the
drain plug
Fig.22
- During dehumidifying modes, remove the drain
plug from the back of the unit, install the drain
connector (5/8 universal female mender) with
3 4 hose(locally purchased). For the models
without drain connector, just attach the drain
hose to the hole. Place the open end of the
hose directly over the drain area in your
basement floor. Please refer to Fig.21 & 22.
-
a predetermined level,
the digital display area shows "P1". At this time
the air conditioning/dehumidification process will
immediately stop. However, the fan motor will
continue to operate(this is normal).
Carefully move the unit to a drain location,
remove the bottom drain plug and let the
water drain away (Fig.23). Re-install the bottom
drain plug and Restart the machine until the "P1"
symbol disappears. If the error repeats, call for
service.
NOTE: Be sure to reinstall the bottom drain plug
before using the unit.
Bottom drain plug
When the water level of the bottom tray reaches
the unit beeps 8 times,
Fig.23
13
Page 16
CARE AND CLEANING
Owner’s Manual - PS-81B / PS-101B
Air Filter Cleaning
Push the vent handle to the Vent Closed position
(where applicable). Open the front panel.
Take the filter by the center and pull up and out.
Wash the filter u sing l iquid d ishwashing d etergent a nd w arm
water. Rinse filter thoroughly. Gently shake excess water
from the filter. Be sure the filter is thoroughly dry before
replacing. Or, instead of washing you may vacuum the filter
clean.
Note: Never use hot water over 40C(104F) to cl ean th e
a i r fil ter. Never attempt to operate the unit without the air
filter.
¡ ¡
Cabinet Cleaning
Be sure to unplug the air conditioner to prevent shock or fire
hazard. The cabinet and front may be dusted with an oil-free
cloth or washed with a cloth dampened in a solution of warm
water and mild liquid dishwashing detergent. Rinse thoroughly
and wipe dry.
Never use harsh cleaners, wax or polish on the cabinet front.
Be sure to wring excess water from the cloth before wiping
around the controls. Excess water in or around the controls
may cause damage to the air conditioner.
Plug in air conditioner.
Winter Storage
If you plan to store the air conditioner during the winter,
remove it carefully from the window according to the
installation instructions. Cover it with plastic or return it to
the original carton.
TROUBLESHOOTING TIPS
Before calling for service, review this list. It may save your time and expense. This list includes common
occurrences that are not the result of defective workman-ship or materials in this appliance.
Problem
Air conditioner
does not start
Air from unit does
not feel cold
enough
Air conditioner
cooling, but room
is too warm- ice
forming on cooling
coil behind
decorative front.
Solution
Wall plug disconnected. Push plug firmly into wall outlet.
House fuse blown or circuit breaker tripped. Replace fuse with time delay type or
reset circuit breaker.
Plug Current Device Tripped. Press the RESET button.
Power is OFF. Turn power ON.
Room temperature below 62 F(17 C ). Cooling may not occur until room temperature
rises above 62 F(17 C).
O O
O O
Temperature sensing behind air filter element touching cold coil. Keep it from the cold
coil.
Set to a Lower temperature.
Compressor stopped when changing modes. Wait for 3 minutes after set to the COOL
mode.
Outdoor temperature below 64 F(18 C). To defrost the coil, set FAN ONLY mode.
O O
Air filter may be dirty. Clean filter. Refer to Care and Cleaning section. To defrost,
set to FAN ONLY mode.
Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN ONLY
mode. Then, set temperature to a Higher setting.
14
Page 17
Owner’s Manual - PS-81B / PS-101B
TROUBLESHOOTING TIPS
Problem
Air conditioner
cooling, but room
is too warm- NO
ice forming on
cooling coil behind
decorative front.
Air conditioner turns on
and off rapidly
Noise when unit is
cooling
Water dripping
INSIDE when
unit is cooling.
Solution
Dirty air filter- air restricted. Clean air filter. Refer to Care and Cleaning section.
Temperature is set too High, set temperature to a Lower setting.
Air directional louvers positioned improperly. Position louvers for better air distribution.
Front of units is blocked by drapes, blinds, furniture, etc. - restricts air distribution.
Clear blockage in front of unit.
Doors, windows, registers, etc. Open- cold air escapes. Close doors, windows, registers.
Unit recently turned on in hot room. Allow additional time to remove Stored heat from
walls, ceiling, floor and furniture.
Dirty air filter- air restricted. Clean air filter.
Outside temperature extremely hot. Set FAN speed to a Higher setting to bring air past
cooling coils more frequently.
Air movement sound. This is normal . If too loud, set to a slower FAN setting.
Window vibration - poor installation. Refer to installation instructions or check with installer.
Improper installation. Tilt air conditioner slightly to the outside to allow water drainage.
Refer to installation instructions - check with installer.
Water dripping
OUTSIDE when
unit is cooling.
Remote Sensing
Deactivating
Prematurely
(some models)
Room too cold
Unit removing large quantity of moisture from humid room. This is normal during
excessively humid days.
Remote control not located within range. Place remote control within 20 feet & 180 ,
radius of the front of the unit.
Remote control signal obstructed. Remove obstruction.
Set temperature too low. Increase set temperature.
15
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1900 Wellworth Ave. • Jackson, MI 49203
517.787.2100 • www.marsdelivers.com • www.heatcontroller.com
11/2015
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