EXPRESSIONS HIGH WALL,
CONSOLE, UNDERCEILING DUCT
FREE SYSTEMS OWNERS GUIDE
USER’S INFORMATION MANUAL FOR
THE OPERATION AND MAINTENANCE
OF YOUR NEW DUCT FREE SYSTEM
NOTE TO INSTALLER:
THIS MANUAL MUST BE LEFT WITH THE
EQUIPMENT USER.
DUCT FREE SYSTEM
38BD/BE/CG/CS Series
40BD/BE/CG/CS Series
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HIGHWALL
CONSOLE / UNDERCEILING
Thank you for choosing a Carrier Duct Free System. You can feel confident in your selection because the same pride in craftsmanship
and engineering knowledge that goes into Carrier equipment cooling the Astrodome in Texas, the Sistine Chapel in Rome, the United
States Capitol’s halls of Congress, and thousands of other installations worldwide has gone into the construction of your unit.
In addition to cooling and/or heating, this Carrier unit will also filter and dehumidify the room’s air. Carrier Duct Free Systems
quietly give you maximum comfort.
This Owners Manual will supply you with all the information you need to operate and maintain your new unit. Take a few moments
to discover how to get the most in comfort and economic operation from your new Carrier Duct Free System!
Your air conditioner should be installed by authorized personnel only, using approved tubing and accessories. If you need technical
assistance, service or repair: First: Contact the installer. Second: Contact the nearest distributor (See telephone yellow pages). Third:
Call 1-800-CARRIER.
Carrier Corporation
Syracuse, NY.
OWNERS MANUAL
Dealers Name ___________________________________________________________________________
Address ________________________________________________________________________________
Telephone _________________________________ Purchase____________________________________
Indoor Model # _____________________________ Outdoor Model # _____________________________
Indoor Serial #______________________________ Outdoor Serial # ______________________________
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AIR CONDITIONER OPERATION MODE
Your Carrier Duct Free air conditioner operates in four modes:
The air conditioner cools, dries, and filters the room air
The air conditioner filters and circulates the room air, without
changing the room air temperature
The air conditioner heats and filters the room air (if so
equipped).
The air conditioner dries and filters the room air, while slightly
cooling the room air temperature. (NOTE: Dehumidification
does not take the place of a dehumidifier).
In addition, the air conditioner can operate automatically:
The air conditioner heats or cools the room according to the
temperature you select:
If the room air is cooler than the desired temperature, the air
conditioner operates in HEATING mode—(if so equipped).
If the room air is warmer than the desired temperature, the air
conditioner operates in COOLING mode.
The remote controller transmits operation commands to the air
conditioner. You can use the remote controller to perform the
following functions:
• Turns the air conditioner ON and OFF.
• Selects the operation mode (Cooling, Fan, Heating, Dehumidification, or Auto).
• Adjusts the room air temperature and the fan speed.
• Sets air conditioner operation timer periods.
• Sets additional air conditioner adjustments and operating features.
The remote controller mounting rack can be used to secure the
remote controller to a surface. When the remote controller is in
its mounting rack, make sure that there is a clear line of sight
between the remote controller and the air conditioner.
THE REMOTE CONTROLLER
The remote controller contains various buttons to operate the
air conditioner, and a window display in which the current operation status is shown.
Each time you press a button on the remote controller you can
observe the result on the display (Don’t worry about making a
mistake, anything you do can easily be changed.)
REMOTE CONTROLLER OPERATION
NOTE: To operate the air conditioner with the remote control-
ler; set the operation switch to REMOTE (See Page 9).
• The remote controller may be used at a distance of up to 23
ft from the air conditioner display panel (without obstructions).
Cooling
Fan Only
Heating
Dehumidification
A
Auto
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START
STOP
1 2 3 SLEEP
DAILY
WRELESS REMOTE CONTROLLER
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• When transmitting a command from the remote controller,
point the transmitter toward the receiver on the right side of the
air conditioner.
• The air conditioner confirms the receipt of a command by
sounding two beeps.
• Make sure that no objects block the clear line of sight between
the remote controller and the air conditioner.
• Changes entered on the remote controller must be promptly
transmitted to the air conditioner.
If no transmission is made
within 10 seconds, the remote controller reverts to its previous state.
The remote controller and the air conditioner constantly "exchange" information regarding adjustments and the room air
temperature.
To ensure proper system operation, avoid block-
ing of the direct line of sight between them.
beep
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11 45
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1
72
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START
STOP
1 2 3 SLEEP
DAILY
TIMER
SET
CLEAR
SENSE
ROOM
CLOCK
DELAY
Timer Start/Stop
One-time/Daily
Menu Select Button
Operation Mode - Cooling,
Fan, Heating, Dry, Auto
Fan - Low,
Medium, High, Auto
Timer Set Buttons
Clock
I.R. Transmitter Window
Temperature Sensor
Transmission Indicator
Low Battery Indicator
Up/Down Button
Desired Temperature
Sensor Active Indicator
Sweep Indicator
On/Off Button
On/Off Quick Delay Button
Local Sensing Button
Clock Set Button
Room Temperature Button
*
*
*
*
*
*Buttons located behind slide down panel.
5
INSERTING BATTERIES IN THE REMOTE
CONTROLLER
Before using the remote controller you must insert two 1.5V
AAA Alkaline batteries, as follows:
• Slide off and remove the battery compartment cover.
• Insert the batteries, making sure to follow the polarity (+,-)
markings.
• Replace the battery compartment cover
• Replace both batteries whenever the "Low Battery" indicator
appears.
OPERATING THE AIR CONDITIONER WITH
THE REMOTE CONTROLLER
Turning the Air Conditioner ON:
• Press the ON/OFF button ; the remote controller display
lights and the air conditioner starts operating using the last setting entered.
Changing the Air Conditioner’s Operation Modes
• Select the MODE by pressing .
• Choose the desired mode by pressing .
• Press the On/Off button to transmit your selections to the
air conditioner.
CHANGING THE FAN SPEED
• Select the FAN menu by pressing .
• Choose the desired fan speed by pressing .
NOTE: When the air conditioner is operating in DRY mode the
fan speed can not be changed. The fan operates at Low speed in
this mode.
• Press the ON/OFF button to transmit your selections to
the air conditioner.
CHANGING THE TEMPERATURE SETTING
You can make a change of the temperature setting by pressing
Make sure to point the remote controller toward the air conditioner. The symbol appears each time you press the button.
OR
• Select the TEMPERATURE display by pressing .
1. The degree symbol (°) flashes next to the digits when the
TEMPERATURE display is selected.
• Select the desired temperature by pressing .
1. The available temperature range is 54°F to 86°F.
• Press the On/Off button to transmit your selections to the
air conditioner.
CHANGING THE AIRFLOW DIRECTION
• Select the SWEEP menu by pressing .
• Press the top side of the Up/Down button : the airflow deflector moves up and down continuously and the airflow symbol
displays motion.
• Press the bottom side of the Up/Down button ; the airflow
deflector stops at a given angle and the airflow symbol remains
in a fixed position.
CAUTION
Do not drop the remote controller – damage to the device may result. Avoid getting the controller wet.
IMPORTANT
When making changes to the remote control settings
pay particular attention to where the selection is. If
there is no input to the control it will return to the idle
state in 10 seconds. Also remember to always point
the remote at the unit while making changes.
!
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1
MODE
FAN SWEEP
Cooling
Fan
Heating
Dry
Auto
Low
Medium
High
Auto
Sweep
Function
On/Off
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Up/Down
Button
On/Off
Button
Menu
Selection Button
1
2
3
3
1
2
3
1
2
3
2
.
1
2
3
1
2
2
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• Press the On/Off button to transmit your selections to the
air conditioner
1. If you choose to place the airflow deflector in a fixed position, the deflector stops at the angle in which it was located
when you pressed the On/Off button.
NOTE: When you have finished selecting the various menus and
choosing the desired settings, point the remote controller at the air
conditioner and press the On/Off button . Two beeps sound
and the air conditioner starts operating according to your selected
settings. The settings chosen stop flashing and remain lit.
PROGRAMMING AIR CONDITIONER
OPERATION PERIODS
Through a simple process you can program the air conditioner
to operate at your convenience. First, you must set the clock.
SETTING THE CLOCK
• Slide down the front cover of the Remote controller below the
On/Off switch.
• Press the Clock Set button with an appropriate object, such as
a ballpoint pen.
• Press to set the current minutes
• Press ; the hours digits flash
• Press to set the current hour
• Press the Clock Set button to confirm the current time setting.
The remote controller reverts to its previous display and the
clock is displayed.
SETTING OPERATION START/STOP TIMES
You can use the Timer to pre-set air conditioner operation Start/
Stop times. You can set up to three different Timer periods within
24 hours, spaced at up to 10 hours apart.
• Slide down the front cover of the Remote below the On/Off
switch.
• Press the TIMER button. Each time you press on the TIMER
button, the next Start or Stop set time appears on the display.
• The TIMER display appears:
• Press button to set the time.
• Press the SET button to set the displayed time, or push the
timer button to get to the desired time period.
NOTES:
1. Time increments in 10 minute intervals.
2. The TIMER lamp on the air conditioner display lights
whenever a timer period is set (see Page 9 for location).
3. The remote controller displays the Timer period Start/Stop
time which is nearest the current time. If the air conditioner
is ON, the word "STOP" + the Timer period are displayed;
If the air-conditioner is OFF, the word "START" + the Timer
period are displayed.
4. If no buttons are pressed during ten seconds, the remote
controller reverts to its previous display.
5. If you make an error that you want to correct, you must
cancel the programmed Timer period settings (see Page 7).
SETTING THE SLEEP TIMER PERIOD
The fourth Timer period is marked SLEEP. When SLEEP is active, the desired temperature is updated while you sleep. The
room air temperature gradually rises (COOLING MODE) until
this Timer period is exited. At the end of the Timer period, the
desired temperature returns to its previous setting.
IMPORTANT
Make sure to point the remote controller at the air conditioner while pressing the TIMER SET button.
11:45
TIMER
SET
CLEAR
SENSE
ROOM
CLOCK
DELAY
1 2
START
1
START
2
STOP
1
STOP
2
START
3
STOP
3
START
1
MODE
FAN
SWEEP
:
TIMER
SET
CLEAR
A
A
PM
3
2
1
2
2
3
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• Scroll through the Timer periods as explained in the previous
section
• Choose the SLEEP Timer period
• Enter the desired Start/Stop times (SLEEP-START and
SLEEP-STOP).
• Press the SET button.
SETTING A DAILY TIMER PERIOD
You can set the Timer periods so that the air conditioner operates
automatically at the set times on a daily basis. This can be individually set for Timer periods 1, 2, 3 or SLEEP.
NOTE: The daily timer operates only when there is a direct
line of sight between the remote controller and the air conditioner.
• Press the TIMER button to select the Timer period that you
want to activate daily.
• Press the SET button until the word DAILY appears on the
display.
• Press the SET button to confirm DAILY operation for the selected Timer period. Make sure you point the remote controller
at the air conditioner while you press the SET button.
CANCELING A DAILY TIMER PERIOD
Follow the steps for setting a DAILY Timer Period except in the
second step; press the SET button until the work DAILY disappears from the display.
CANCELING A TIMER PERIOD
START/STOP TIME
• Press the TIMER button to select the Timer period (1,2,3, or
SLEEP) which you want to cancel
• Press the CLEAR button to cancel the selected Timer period;
the Start/Stop times disappear from the display.
• Press the SET button to confirm the cancellation. Make
sure you point the remote controller at the air conditioner
while you press the SET button.
CANCELING ALL TIMER PERIOD
START/STOP TIMES
• Press the TIMER button
• Hold the CLEAR button down until all the Timer period Start/
Stop times disappear from the display.
• Check that the TIMER lamp on the air conditioner is off. (see
page 9 for location)
ROOM AIR TEMPERATURE DISPLAY
When the remote controller is OFF: the current room temperature is displayed.
When the remote controller is ON:
• Slide down the front cover on the remote controller below the
On/Off Switch
• Press the ROOM button to display the current room air temperature. The temperature is displayed for a number of seconds.
DELAYED START/STOP OPERATION
You can quickly and easily set the required Start or Stop delay.
When the air conditioner is ON:
• Press the Delay button. The clock advances one hour, while
the word STOP and the number 3 flash.
• Each additional pressing of the DELAY button advances the
clock by one hour.
• Make sure you point the remote controller at the air conditioner while you press the DELAY button. The word STOP will
stop flashing when the command has been transmitted to the air
conditioner.
MODE
FAN
SWEEP
:
TIMER
SET
CLEAR
A
A
START
STOP
SLEEP
MODE
FAN
SWEEP
TIMER
SET
CLEAR
A
A
START
DA LY
1
:
TIMER
SET
CLEAR
DELAY
SENSE
R
OOM
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When the air conditioner is OFF:
• Press DELAY button. The clock advances one hour, while the
word START and the number 3 flash.
• Each additional pressing of the DELAY button advances the
clock by one hour.
• Make sure you point the remote controller at the air conditioner while you press the DELAY button. The word START will
stop flashing when the command has been transmitted to the air
conditioner.
• TO CANCEL THE DELAY, FOLLOW THE INSTRUCTIONS IN THE "CANCELING A TIMER PERIOD START/
STOP TIME" SECTION. THE DELAY SETTING IS STORED
IN TIMER PERIOD NO. 3.
USING THE LOCAL SENSE FUNCTION (2 WAY REMOTE)
The remote controller can operate so that it transmits the room
air temperature to the air conditioner at regular intervals from
wherever it is located in the room.
The air conditioner operates so that the room air near the remote
controller reaches the desired temperature.
• Press the SENSE button. The house symbol next to the temperature display flashes.
• Place the remote controller in the desired room location.
• Make sure that there is a direct line of sight between the
remote controller and the air conditioner.
• To cancel the Local Sensor, press the SENSE button; the house
symbol disappears from the display.
OPERATING THE AIR CONDITIONER
FROM THE DISPLAY PANEL
(OR IF REMOTE CONTROLLER IS LOST)
Turning the Air Conditioner ON:
• Move the Operation Switch to the AUTO position. The air
conditioner operates at a temperature setting of 74°F, automatically selecting the required operation mode and fan speed.
Turning the Air Conditioner OFF:
• Move the Operation Switch to the OFF position.
Returning to Remote Controller Operation:
• Move the Operation Switch to the REMOTE position.
• The remote controller operates the air conditioner.
ENERGY-SAVING TIPS
Your Carrier unit is designed to be highly efficient in energy
savings. Follow the below recommendations for even greater
efficiency.
1. Select thermostat setting that suits your comfort needs and
leave thermostat at that chosen setting.
2. Keep unit filter clean. The filter is very efficient in removing
TIMER
SET
CLEAR
SENSE
MODE
FAN
SWEEP
A
A
ROOM
DELA
Y
WARNING
Do not place remote controller in a drawer or near a
warm/hot appliance as the air conditioner will attempt to cool the remotes environment.
!
FLTER
AR CON
TMER
POWER
COMP
IMPED
PRESS
AUTO
OFF
REMOTE
PRESS
AUTO
OFF
REMOTE
AUTO
OFF
REMOTE
(Console shown)
ON
OFF
REMOTE
FLTER AR ON TMER POWER
ON
OFF
REMOTE
FLTER AR ON TMER POWER
FILTER AIR
AUTO
OFF
E
(High wall shown)
COMPRESSOR IMPEDANCE PRESSURE
OFF
AUTO
(High wall shown)
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airborne particles. More frequent cleaning may be necessary depending on indoor air quality.
3. Use drapes, curtains, or shades to keep direct sunlight from
heating room.
4. Do not obstruct front grille air intake section.
5. Start your air conditioner before outdoor temperature, cooking heat, or gatherings of people make room hot and uncom-
fortable. This avoids initial period of discomfort while unit
is cooling off room.
NOTE: If a circuit breaker is tripped repeatedly, or fuse is blown
more than once, contact a qualified electrician.
FILTER
AIR CON
T MER
POWER
COMP
IMPED
PRESS
ON
OFF
REMOTE
FILTER AIR CON T MER POWER
REMOTE
PRESSURE COMPRESS IMPEDANCE
ABCDE
IHGF
COMPRESSOR IMPEDANCE PRESSURE
OFF
AUTO REMOTE
G
F
H
I
B
D
C
E
A
FILTER
A R CON
T MER
POWER
B
C
D
E
B
C
D
E
G
F
H
AUTO
OFF
REMOTE
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Console
Highwall
Highwall
Cover closed
Cover open
THE DISPLAY PANEL
The lamps on the display panel indicate various operation modes and conditions.
Display panel features and their use/description appear below:
Diagram Callout Feature Use/Description
A I.R. Receiver • Receives transmissions from the remote controller
B FILTER Lamp • Lights when the air filters require cleaning
C AIR CON. Lamp • Lights when the air conditioner operates
• Flashes when defrosting
D TIMER Lamp • Lights when TIMER Start or Stop time is set
E POWER Lamp • Lights when the air conditioner is connected to the electrical supply of
the proper line voltage
F IMPEDANCE Lamp • Lights when a voltage problem exists
G COMPRESSOR Lamp • Lights when compressor operates
• Flashes when the air conditioner is on standby
H PRESSURE Lamp • Lights as low pressure warning
• Flashes as a high pressure warning
I Operation Switch • Turns the air conditioner ON, OFF, or puts it in AUTO operation
TROUBLESHOOTING GUIDE
Your air conditioner is built to meet Carrier’s stringent product quality requirements; if you have a problem with your Carrier Duct Free System,
check this convenient guide before contacting your Carrier service representative. Frequently, a problem is minor and a service call is not necessary.
PROBLEM
Air Conditioner does not work.
POWER Lamp is not lit.
FILTER Lamp is lit.
Air conditioner is working, but does not perform the required operation.
POSSIBLE CAUSE
• No command transmitted to air conditioner.
• Air conditioner did not receive transmitted
command.
• Air conditioner is not properly connected.
• Automatic circuit breaker switched to OFF.
• Fuse burned.
• Filters require cleaning.
• Desired temperature setting is higher than
room air temperature when operating in
the COOLING mode.
• Desired temperature setting is lower that
room air temperature when operating in
the HEATING mode.
• The control system is malfunctioning.
• There is no direct line of sight between the
remote controller and the air conditioner.
SOLUTION
• Press the On/Off button.
• Make sure that remote controller is pointed
at air conditioner during command transmission .
• Check electrical connection.
• Reset breaker.
• Replace fuse.
• Remove and clean filters.
• Move the operation switch to OFF, then
REMOTE.
• Lower the desired temperature setting.
• Raise the desired temperature setting.
• Move the operation switch to OFF, then
REMOTE.
• Place the remote controller where there is
a direct line of sight to the air conditioner.
Various indicator lamps behave other than
listed in previous table.
Air conditioner does not operate with the remote controller.
The remote controller of another air conditioner interferes with your air conditioner’s
operation.
• Incorrect operation or malfunction.
• The operation switch on the Display Panel
is in the AUTO or OFF position.
• The remote controller batteries are weak.
• The remote controller is malfunctioning.
• Both remote controllers are transmitting on
the same wavelength.
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• Move the operation switch to OFF, then to
REMOTE. Restart the air conditioner. If
the problem persists, call service personnel.
• Move the operation switch to the REMOTE position.
• Replace the batteries.
• Turn the air conditioner ON and OFF using the operation switch.
• Call Service Personnel.
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CLEANING AND MAINTENANCE
When the filter lamp on the display panel is lit remove the filter
and clean.
TO REMOVE AIR FILTERS:
1. Open fan coil unit front panel (lift).
2. Pull the filters down to remove.
TO CLEAN OR REPLACE FILTERS
Filters should be vacuumed and washed with warm water.
Shake filter to remove any excess water, dry thoroughly, and
replace by sliding filter behind front grill until filter snaps
in place.
If filter has begun to break down or is torn, it needs to be replaced. Replacement filters are available through your Carrier
distributor.
• Move the Operation Switch on the display panel to the OFF
position to cancel the FILTER lamp.
• Return the switch to the REMOTE position to operate the air
conditioner with the remote controller.
• When the filter lamp on the display panel is lit remove the
filters to clean.
TO CLEAN INDOOR UNIT FRONT PANEL
If the front panel of the unit becomes dirty or smudged, wipe the
outside of the front panel with a soft dry cloth. If necessary, use
CAUTION
To avoid the possibility of electric shock, before performing any cleaning and maintenance operations, always turn off power to the system by pressing the ON/
OFF button on the remote controller. Turn off the outdoor disconnect switch located near the outdoor unit.
If the indoor unit is on a separate switch, be sure it is
also disconnected.
!
CAUTION
Operating your system with dirty air filters may damage the indoor unit and can also cause reduced cooling performance, intermittent system operation, frost
build up on the indoor coil, and blown fuses. Inspect
and clean or replace the air filters monthly.
!
FILTER AIR
AUTO
OFF
REMOTE
COMPRESSOR MPEDANCE PRESSURE
OFF
AUTO REMOTE
AUTO
OFF
REMOTE
AUTO
OFF
REMOTE
COMPRESSOR MPEDANCE PRESSURE
OFF
AUTO REMOTE
FILTER AIR
AUTO
OFF
TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or the classified section of your local telephone directory under the
“Heating Equipment’’ or “Air Conditioning Contractors & Systems’’ heading for dealer listing by brand name.
Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part.
Due to Carrier’s commitment to continuous improvement, manufacturer reserves the right to discontinue, or change at any time,
specifications or designs without notice and without incurring obligations .
Copyright 2001 Carrier Corporation Form: OM38\40-1 Replaces: NEW Printed in the U.S.A.
7-01 PC 101 Catalog No. 533-80018
a mild liquid detergent and wipe off carefully with a dry cloth.
TO CLEAN INDOOR COIL
To clean the coil, remove indoor unit front panel, and vacuum
the coil fins. Use care not to bend or damage fins.
TO CLEAN OUTDOOR COIL (OUTDOOR
UNIT)
1. Remove any dirt or obstruction from discharge opening.
2. Use a garden hose to spray water on coil. Debris that collects
between coil fins inhibits heat transfer – direct the water
spray between the coil fins and flush out debris.
CLEANING CONDENSATE DRAINS
Clean all drains at the start of each cooling season. Check the
flow by pouring water into the drain.
Do’s and Don’ts For Proper Air Conditioner Operation
Do’s
• Make sure that the air conditioner is connected directly to the
electrical supply.
• Replace both the remote controller batteries when the Low
Battery symbol appears.
• Point the remote controller toward the air conditioner display
panel when transmitting a command.
• Place the remote controller in a location from which there is a
clear line of sight to the display panel.
• Select a moderate temperature setting. Extreme temperature
settings waste electricity.
• Keep doors and windows closed.
• Close air vents in unoccupied rooms to save electricity.
• If a problem arises which you cannot solve, call an authorized
service representative.
• Please read this manual carefully.
Don’ts
• Do not perform cleaning or maintenance activities with the air
conditioner on.
• Do not expose the remote controller to direct sunlight or heat.
• Do not expose the display panel to direct sunlight, or other
sources of strong lighting, as this may interfere with the reception with of commands from the remote controller.
• Do not block air intakes and outlets on the indoor and outdoor
units.
TECHNICIAN/CUSTOMER
The remote controller contains seven DIP switches, located in
the battery compartment, two of which (Sw. No.3 & Sw. No. 4)
control special system characteristics. The DIP switches default
positions are set according to the model air conditioner installed,
as per the following table.
Model 1 2 3 4 5 6 7
40GC, 40GS, 40BD, 40BE ON OFF OFF OFF OFF ON OFF
Switch No. 3 should be set as follows:
OFF (default) – when only one air conditioner is installed in the
room.
ON – when there are two air conditioners with remote controllers
installed in the room, in one of the remote controllers this switch
must be in the ON position. To activate the new switch setting,
simultaneously press the MENU SELECT and ROOM buttons.
Switch No. 4 should be set as follows:
OFF – displays temperature in °C with a 24-hour clock format
ON – displays temperature in °F, with a 12-hour clock (PM indicator) format.
To operate the special systems characteristics:
1. Remove the batteries
2. Set the DIP switches to the required positions.
3. Wait approximately 2 minutes and return batteries to proper
position.
The following drawing illustrates the default DIP switch positions.
CAUTION
When cleaning the front panel, NEVER use water
hotter than 105°F and DO NOT pour water onto the
fan coil unit. Do not use abrasive or petroleumbased cleaners — damage to unit appearance will
result.
WARNING
Some metal parts and sharp fins of outdoor unit coil
can cause personal injury during cleaning. Clean coil
carefully.
!
!
1 2 3 4 5 6 7
ECE
ON
ON
1 2 3 4 5 6 7
ECE
ON
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