Bryant 538MAC User Manual

538MAC / 619MAC, 538MAQ / 619MAQ SIZES 009--012  
538MNC / 619MNC, 538MNQ / 619MNQ SIZES 012--024  
HIGH--WALL DUCT--FREE SPLIT SYSTEM  
Owner’s Manual  
TABLE OF CONTENTS  
PAGE  
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
PART NAMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
DISPLAY PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
REMOTE CONTROL FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 -- 8  
CLEANING, MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 -- 10  
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  
DEALERSHIP CONTACT INFORMATION  
Model # ___________________________________  
Serial # ___________________________________  
Company Name: _________________________________  
Address:_________________________________________  
________________________________________________  
Phone Number:__________________________________  
Technician Name:_________________________________  
________________________________________________  
INSTALLATION INFORMATION  
Date Installed _____________________________  
PART NAMES  
INDOOR  
UNIT  
3
2
1
Air inlet  
1
2
3
4
5
6
7
Front panel frame  
Front panel  
Air filter  
Horizontal air flow grille  
Vertical air flow louver  
Room temperature sensor  
Display panel  
8
6
7
4
5
Air outlet  
9
OUTDOOR  
11  
8
9
Infrared signal receiver  
Remote control  
10  
UNIT  
Air inlet  
10  
11  
Remote control bracket  
Interconnecting tubing  
Control and power wiring to indoor unit  
Service valves  
12  
13  
12  
13  
Air outlet  
A07539A  
Indoor/Outdoor Unit  
1
2
3
MODE BUTTON  
A U T O C O O L DR Y HE AT FA N  
SET TE MP.  
ON / OFF BUTTON  
FAN SPEED BUTTON  
CL OC  
K
TIM ER ON  
TIM ER OFF  
SPEED  
AUTO L OW MED HIGH  
AIR DIRECTION BUTTON  
4
5
MO DE  
SWING BUTTON  
LED BUTTON  
1
2
3
ON  
T E MP.  
9
6
7
8
OFF  
RESET BUTTON (Recessed)  
F/C BUTTON (Recessed)  
FA N  
S
P E E D  
10  
4
5
S
L E  
E
B
P
11  
A IR D IR  
E
C T IO N  
C L O C K  
TEMP UP / TEMP DOWN BUTTONS  
SLEEP BUTTON  
9
10  
11  
12  
13  
S
W IN G  
T IME  
R
6
7
8
L E  
D
C A NC E  
L
T U R  
O
CLOCK BUTTON  
RESET  
F/C  
12 TIMER BUTTONS  
CANCEL BUTTON  
14  
13  
14 TURBO BUTTON  
A08042  
Remote Control  
3
UNIT DISPLAY PANELS  
NOTE: The display panel on the indoor unit will look like one of the following. Some of the functions will appear on the display  
panel, remote control or both.  
On the Unit:  
Infrared signal receptor  
OPERATION:  
This indicator flashes once per second after power is on and  
illuminates when the unit is in operation.  
OPERATION AUTO  
ECON  
TIMER  
PRE-DEF  
TIMER:  
A08486  
This indicator illuminates when TIMER is set ON or OFF.  
PRE.--DEF indicator (heat pump units only):  
9K  
Infrared signal receptor  
Pre--Def indicator illuminates when the coil is warming up to  
prevent cold blow or when unit goes into defrost mode.  
TIMER OPERATION  
PRE-DEF  
AUTO indicator:  
When air conditioner is set to AUTO mode, the indicator  
illuminates.  
A07544  
12K  
FAN ONLY indicator:  
TIMER  
AUTO  
PRE.-DEF* OPERATION  
When air conditioner is set to FAN ONLY mode, this indicator  
illuminates.  
A08483  
NOTE: All the pictures in this manual are for demonstration  
purposes only. The actual shape of your air conditioner may  
be slightly different, but the operation instructions are the  
same.  
18K -- 24K  
*PRE--DEF light will illuminate when the unit is running in FAN ONLY mode  
on Cooling Only units.  
Note: Cooling only units have same LED lights but without PRE--DEF print.  
Remote Control Display  
2
1
3
4
A U T O C O O L DR Y HE AT FA N  
S E T T E MP.  
CL OC  
K
5
TIM ER ON  
TIM ER O FF  
6
SP EE  
D
AUTO LOW MED H IGH  
7
8
9
A08043  
1
2
5
TRANSMISSION INDICATOR: Illuminates when remote  
control transmits signals to the indoor unit.  
CLOCK DISPLAY: Indicates the current time (0 to 24  
hours).  
6
MODE DISPLAY: Indicates the current operation mode  
“AUTO”, “COOL”, “DRY”, “HEAT” (heat pumps only), or  
“FAN”.  
TIMER DISPLAY: Indicates the set times for the timer  
operation (0 to 24 hours).  
7
LOCK DISPLAY: Displays when settings are locked.  
3
4
ON/OFF INDICATOR: This symbol appears when the unit  
is turned on by the remote control, and disappear when the  
unit is turned off.  
8
FAN SPEED DISPLAY: Indicates the set fan speed. AUTO  
is displayed when unit is running in AUTO or DRY mode.  
9
SLEEP DISPLAY: Indicates unit is running in SLEEP mode.  
TEMPERATURE DISPLAY: Temperature setting from  
62_F (17_C) to 88_F (30_C) will be displayed. If FAN mode  
is selected, there will be no temperature displayed.  
NOTE: Symbols shown in this manual are for the purpose of demonstration. During actual operation, only the relevant symbols are  
displayed.  
4
REMOTE CONTROL  
A
U T  
O
C
O
O
L
DR  
Y
HE AT FA  
N
SE  
T
TE MP.  
CL OC  
K
TIM ER ON  
TIM ER OF  
L OW MED HIGH  
F
SPE ED  
AUTO  
MO DE  
ON  
OFF  
T
E
MP.  
FA  
N
C
S
P
E
E
D
S
L
E
R
E
B
P
A
IR  
D
IR  
E
T
IO  
N
C
T
L
O
C
K
E
S
W
IN  
G
IM  
E
R
L
E
D
C
A
N
C
L
T
U
O
RE SE  
T
F/C  
A08032  
Set the Clock  
!
CAUTION  
Before you start operating the air conditioner, set the clock of the  
remote control as outlined below. The clock panel on the remote  
controller will display the time regardless of whether the air  
conditioner is in use or not.  
EQUIPMENT DAMAGE HAZARD  
Failure to follow this caution may result in equipment  
damage.  
Initial Setting of the Clock:  
Handle the control with care and avoid getting the control  
wet.  
After batteries are inserted in the remote control, the clock panel  
will display ”12:00” and begin to flash.  
1. TEMP Button  
IMPORTANT: The remote control can operate the unit from a  
distance of up to 25 ft. (7.6 m) as long as there are no obstructions.  
This is one way communication only (from remote control to fan  
coil).  
S
S
S
Press these buttons to set the time:  
Y Forward  
B Backward  
When the timer function is used, the remote control should be kept  
in the vicinity of the fan coil (within 25 ft / 7.6 m)  
Each time you press the button, the time moves forward  
or backward by one minute depending on which button  
you press.  
The remote control can perform the following basic functions:  
S
S
S
S
Turn the system ON and OFF  
Select operating mode  
If you push the temperature button continuously, the  
time adjusts in increments of 10 minutes.  
Adjust room air temperature set point and fan speed  
Adjust airflow direction  
2. CLOCK Button  
When the right time is achieved, press the CLOCK button  
or release Y or the B button and wait for 3 seconds, the  
clock time stops flashing and the clock starts operating.  
Refer to the Remote Control Function section for detailed  
description of all the capabilities of the remote control.  
3. Readjusting the Clock  
Battery Installation  
Two AAA 1.5 v alkaline batteries (included) are required for  
operation of the remote control.  
Press the CLOCK button on the remote control for about  
3 seconds, the time of the clock display will start to flash.  
To set the new time, follow 1 and 2 of ”Initial Setting of  
the Clock”.  
To install or replace batteries:  
NOTE: Note: The time of the CLOCK must be set before the  
AUTO--TIMER function will operate.  
1. Slide the back cover off the control to open the battery com-  
partment.  
2. Insert batteries. Follow the polarity markings inside the  
battery compartment.  
Clock accuracy is within 15 seconds per day.  
!
3. Replace battery compartment cover.  
CAUTION  
NOTE:  
UNIT OPERATION HAZARD  
1. When replacing batteries, do not use old batteries or a different  
type battery. This may cause the remote control to malfunction.  
2. If the remote is not going to be used for several weeks, remove  
the batteries. Otherwise battery leakage may damage the remote  
control.  
3. The average battery life under normal use is about 6 months.  
4. Replace the batteries when there is no audible beep from the  
indoor unit or if the Transmission Indicator fails to light.  
Failure to follow this caution may result in equipment  
damage or improper operation.  
Static electricity or other factors (voltage fluctuations) can  
cause the remote control clock to reset. If your remote  
control is reset (the time of ”12:00” flashing), set the clock  
before starting the unit.  
5
Remote Control Operation - Quick Start  
REMOTE CONTROL FUNCTIONS  
NOTE: When transmitting a command from the remote control to  
the unit, be sure to point the control toward the right side of the  
unit. the unit will confirm receipt of a command by sounding an  
audible beep.  
Pressing the On/Off Button  
ON/OFF  
INDICATOR  
1. Turn the unit on by pushing the ON/OFF button.  
AUTO  
SET TEMP.  
2. If there is a preference for temperature settings to be dis-  
played in _F rather than _C (default), push the recessed F/C  
button once using a paper clip or similar object.  
C L O C K  
SPEED  
AUTO  
3. Select the desired mode by pushing the mode button.  
A08034  
AUTO  
COOL  
DRY  
FAN  
HEAT  
When the air conditioner is not in operation, the remote control  
will display the last set point, mode and time.  
NOTE: Cool only units have no heat mode.  
S
Press the On/Off button to start the unit.  
4. Select the temperature set point by pointing the control to-  
ward the unit and pressing the increase/decrease temperature  
set point buttons until the desired temperature appears on  
screen.  
-- The unit will start in the last operating mode and set  
point. The ON/OFF indicator will appear.  
S
Press button On/Off to stop the unit.  
-- All indicator lights on the unit will go out, and the remote  
control will display the set point, mode and time.  
NOTE: If the On/Off button is pressed too soon after a stop, the  
compressor will not start for 3 minutes due to the inherent  
protection against frequent compressor cycling. The unit will only  
emit an audible beep when the signals are received correctly.  
5. Select the desired fan speed by pressing the FAN SPEED  
button to select desired fan speed.  
NOTE: If unit is operating in Dry mode, AUTO fan speed will be  
displayed.  
6. Set the airflow direction. When the unit is turned on, the  
louvers default to the cooling or heating position. The user  
can adjust louver position by pushing the air direction but-  
ton or have continuous louver movement by pushing the  
swing button.  
Selecting an Operating Mode  
Use the Operating Mode button to select one of the available  
modes.  
OPERATING MODE  
Emergency Operation  
If the remote control is lost, damaged, or the batteries are  
exhausted, the MANUAL button can be used to run the unit.  
A U T O C O O L DR Y HE AT FA N  
SET TEMP.  
C L O C K  
Open the front cover panel and press the MANUAL button once  
briefly when the system is off.  
To stop emergency operation, push the MANUAL button twice or  
SPEED  
AUTO  
operate the remote control.  
If the MANUAL button is only  
pushed once, the system will enter TEST mode and run for 30  
minutes.  
AUTO  
COOL  
DRY  
FAN  
HEAT  
A08034 / A07548  
Setting the Room Temperature Set Point  
Pressing the increase temperature set point  
buttons will raise or lower the temperature.  
and decrease  
The unit will confirm signal receipt with a beep and the value of  
the set temperature on the display will change accordingly.  
Manual button  
A07364  
The temperature can be set between 62_F (17_C) and 88_F  
(31_C).  
NOTE: In Cooling mode, if the temperate selected is higher than  
the room temperature, the unit will not start. The same applies for  
the Heating mode if the selected temperature is lower than the  
room temperature.  
The set conditions of emergency operation are as follows:  
S
S
S
Preset set point: 76_F (24_C)  
Fan speed: AUTO  
Discharge air direction: Pre--set position based on operation in  
“Cool”or “Heat” mode.  
6
Selecting the Fan Speed  
Timer Function  
TIMER ON (to start the unit) and TIMER OFF (to stop the unit)  
can be used separately or together.  
A U T O  
Timer ON only  
SET TEMP.  
C L O C K  
AUTO  
SET TEMP.  
SPEED  
AUTO LOW MED HIGH  
C L O C K  
TIMER ON  
A08036  
SPEED  
The fan speed can be selected by pressing the FAN SPEED button.  
NOTE: When the unit is on, the fan will run continuously in  
cooling or heating. When in heating, there might be situations  
where the fan will slow down or shut off to prevent cold blow.  
AUTO  
A08037  
This function will allow the unit to start automatically at the set  
time. The TIMER ON can be set while the unit is on or off.  
Selecting the Horizontal Direction Louver Position  
In order to optimize comfort, the horizontal louver will operate in  
a preset range as shown in the figure below.  
UNIT ON  
-- Press the TIMER button once. The current time flashes next  
to the TIMER ON display on screen. Press the temp Y button  
or temp B button to set the desired “TIME ON”. Every time  
the Y or B button is pushed, the time increases or decreases  
by 10 minutes.  
-- When the TIMER ON is set, the TIMER light on unit  
illuminates. The unit will shut off and will start again at the  
set time.  
COOLING  
UNIT OFF  
HEATING  
-- Set the timer described in the UNIT ON section.  
-- The unit will start at the set time.  
To cancel TIMER setting, press the CANCEL button.  
Timer OFF only  
A08044  
The horizontal louvers can be adjusted using the remote control  
and can be set to be stationary or moving continuously.  
Air Direction  
Press the AIR DIRECTION button repeatedly to choose one of the  
louver positions.  
Every time the air direction button is pushed, the louver will swing  
by 6 degrees.  
AUTO  
SET TEMP.  
C L O C K  
In the Cooling, Dehumidification, and Fan Only mode, the louver  
will swing in the cooling range. In the Heating mode, the louver  
will swing in the heating range.  
TIMER OFF  
SPEED  
AUTO  
NOTE: Always use the remote control to adjust the louver  
position, otherwise abnormal operation may occur. If the louver is  
manually adjusted out of its range, turn the unit off and then on  
again.  
A08040  
This function will allow the unit to stop automatically at the set  
time. The timer can be set while the unit is on or while it is off.  
Auto Swing  
UNIT ON  
To have the louver moving continuously, push the SWING button.  
-- Press the TIMER button twice. The current time flashes next  
to the TIMER OFF display on screen. Press the temp Y  
button or temp B button to set the desired “TIME OFF”.  
Every time the Y or B button is pushed, the time increases  
or decreases by 10 minutes.  
Push again to stop the louver.  
Selecting Vertical Direction of the Louver  
The vertical louvers can be adjusted manually to direct the airflow  
to achieve the optimal comfort in the space.  
-- When the TIMER OFF is set, the timer light on the unit  
illuminates and the unit turns off automatically at the set  
time.  
UNIT OFF  
-- Set the TIMER off as described in the UNIT ON section.  
-- The unit will turn on and will turn off at the set time.  
-- If TIMER OFF is canceled (by pushing the cancel button),  
before the set time elapses, the unit will continue running.  
A07543  
7
Timer ON and Timer OFF  
Turbo Mode  
This function is available in COOL mode on 9k and 12k cooling  
only units. Use the TURBO mode to cool the room rapidly.  
AUTO  
-- Press the TURBO button. An audible “beep” will be heard.  
-- The fan will run on high speed.  
SET TEMP.  
C L O C K  
TIMER ON  
TIMER OFF  
-- The TURBO mode terminates automatically after 20 minutes  
from pushing the Turbo mode button once. It can be  
terminated immediately by pushing the Turbo mode again.  
When the Turbo mode is terminated, the unit will go back to  
the original setting.  
SPEED  
AUTO  
A08041  
Lock  
Use both functions to program the unit to turn on and shut off at  
specified times.  
Use this function to lock the settings on the remote control and to  
prevent the settings being changed.  
UNIT OFF  
-- Set TIMER ON as previously described.  
-- Set TIMER OFF as previously described.  
COOL  
SET TEMP.  
C L O C K  
-- The unit will start automatically at the set TIME ON and will  
turn off at the set TIME OFF.  
SPEED  
AUTO  
LOCK SYMBOL  
UNIT ON  
-- Set TIME OFF as previously described.  
-- Set TIME ON as previously described.  
A08039  
To lock and unlock the remote control, press the Y and B temp  
-- The unit will turn off automatically at the set TIME OFF  
and will turn on at the set TIME ON.  
buttons simultaneously for about 3 seconds.  
Resetting the Remote Control  
Sleep Mode  
If the remote control is not functioning properly, it can be reset by  
pressing the reset button with a paper clip or tip of a pen. Current  
settings will be cancelled and the control will return to the initial  
settings and will be in standby mode. Push the ON/OFF button  
to activate it.  
This mode is used to conserve energy and can be used when the  
unit is in the COOL, HEAT or AUTO mode only.  
Cool Mode  
-- Push the SLEEP button. The SLEEP display will appear on  
the remote control.  
Time Delay  
If the On/Off button is pressed too soon after a stop, the  
compressor will not start for 3 minutes due to the inherent  
protection against frequent compressor cycling. The unit will only  
emit an audible beep when the signals are received correctly.  
COOL  
SET TEMP.  
C L O C K  
Heating Features  
If the unit is in the heating mode, there will be a delay when the  
fan starts. The fan will start only after the coil is warmed up to  
prevent cold blow.  
SPEED  
AUTO  
A08038  
Defrost Operation  
In heating mode, if the outdoor coil is frosted, the indoor fan and  
outdoor fan will turn off while system removes the frost on the  
outdoor coil.  
-- After 1 hour the set point will be raised by 1.8_F (1_C).  
-- After another hour, the set point will be raised by another  
1.8_F (1_C) and the fan will run in low speed.  
-- The unit will shut off 7 hours after setting the SLEEP mode.  
The system will automatically revert to normal operation when  
frost is removed from the outdoor unit.  
-- The SLEEP mode will be cancelled if any button on the  
remote control is pressed.  
Auto Start  
Heat Mode  
If the power fails while the unit is operating, the unit stores the  
operating condition, and it will start operation automatically under  
those conditions when the power is restored.  
-- Same as cooling mode but set points will be lowered by  
1.8_F (1_C).  
8
CLEANING, MAINTENANCE AND TROUBLESHOOTING  
!
!
CAUTION  
CAUTION  
EQUIPMENT DAMAGE HAZARD  
ELECTRICAL SHOCK HAZARD  
Failure to follow this caution may result in equipment  
damage.  
When cleaning the front panel, do not use water hotter than  
105_F (40.56_C) and do not pour water onto the fan coil.  
Do not use abrasive or petroleum based cleaners as they  
may damage the front panel.  
Failure to follow this caution may result in personal injury  
or death.  
Always turn off power to the system before performing any  
cleaning or maintenance to the system. Turn off the outdoor  
disconnect switch located near outdoor unit. Be sure to  
disconnect indoor unit if on a separate switch  
Indoor Unit Front Panel  
To clean the front panel on the indoor unit, wipe the outside with  
a soft, dry cloth. If necessary, a mild liquid detergent can be applied  
and wiped off with a dry cloth.  
!
CAUTION  
EQUIPMENT DAMAGE/OPERATION HAZARD  
Failure to follow this caution may result in equipment  
damage or improper unit operation.  
Operating the system with dirty air filters may damage the  
indoor unit and could cause reduced cooling performance,  
intermittent system operation, frost build--up on indoor coil  
or blown fuses.  
Preparing for Extended Shutdown Period  
Clean the filters and reposition them in the unit. Operate the unit  
in Fan only mode for 12 hours to dry all internal parts.  
Turn main power supply off and remove batteries from the remote  
control.  
System Operation Recommendations  
The items outlined in the following list will help to assure proper  
system operation:  
Periodic Maintenance  
Periodic maintenance is recommended to ensure proper operation  
of the unit. Recommended maintenance intervals may vary  
depending on the installation environment, e.g., dusty zones, etc.  
Refer to Table 1.  
S
Replace both remote control batteries at the same time.  
S
Point the remote control toward the unit display panel when  
transmitting a command.  
S
S
Keep doors and windows closed while unit is operating.  
!
CAUTION  
Contact an authorized service representative if a problem arises  
that cannot be easily resolved.  
CUT HAZARD  
S
S
S
Do not perform cleaning or maintenance activities while unit  
is on.  
Failure to follow this caution may result in personal injury.  
The coil fins are very sharp. Use caution when cleaning.  
Always wear safety protection.  
Keep display panel on unit away from direct sunlight and heat  
as this may interfere with remote control transmissions.  
Cleaning the Coil  
Clean the coil at the beginning of each cooling season, or when  
necessary. Use a vacuum cleaner or a long--bristle brush to avoid  
damage to the coil fins.  
Do not block air intakes and outlets on the indoor or outdoor  
units.  
Energy Saving Recommendations  
The following recommendations will add greater efficiency to the  
ductfree system:  
Air Filters  
Remove and clean the air filters once a month.  
NOTE: If air filters show signs of excessive wear or are torn, they  
must be replaced. Contact your local dealer for replacement filters.  
S
S
S
Select a comfortable thermostat setting and leave it at chosen  
setting. Avoid continually raising and lowering the setting.  
Keep unit filter clean. Frequent cleaning may be necessary de-  
pending on indoor air quality.  
1. Open front panel on unit.  
Use drapes, curtains or shades to keep direct sunlight from  
heating room on very hot days.  
Do not obstruct air intake on front panel.  
2. Pull filters down to remove.  
3. Vacuum filters.  
S
S
4. Clean with warm water.  
Turn on air conditioning before indoor air becomes too un-  
comfortable.  
5. Shake filter to remove excess water and dry thoroughly.  
6. Replace filter by sliding into rack until filter snaps in place.  
7. Close front panel on unit.  
Troubleshooting  
Refer to Table 2 before contacting your local dealer.  
9
Table 1—Periodic Maintenance  
INDOOR UNIT  
EVERY MONTH  
EVERY 6 MONTHS  
EVERY YEAR  
Clean Air Filter*  
Change Remote Control Batteries  
S
S
S
OUTDOOR UNIT  
EVERY MONTH  
EVERY 6 MONTHS  
EVERY YEAR  
Clean Outdoor Coil from Outside  
Clean Outdoor Coil from Inside†  
Blow Air Over Electric Parts†  
Check Electric Connection Tightening†  
Clean Fan Wheel†  
S
S
S
S
S
S
S
Check Fan Tightening†  
Clean Drain Pans†  
Increase frequency in dusty zones.  
*
{
Maintenance to be carried out by qualified service personnel. Refer to the Installation Manual  
Table 2—Troubleshooting  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
Unit/System Does Not Work  
The circuit breaker has tripped or a fuse  
Reset the circuit breaker or replace the fuse with  
has blown.  
the specified replacement fuse.  
Power failure.  
Diagnostic lights illuminate.*  
Voltage is too low.  
Restart operation when the power is restored.  
Call your service representative.  
Call your service representative.  
Cooling is Not Working  
Properly  
The filter is blocked with dust.  
Temperature is not set properly.  
A window or door is open.  
The outdoor unit is obstructed.  
The fan speed is too low.  
The operation mode is in Fan instead of  
Cool.  
Clean the air filter.  
Check the temperature and reset if necessary.  
Close the window or door.  
Remove the obstruction.  
Change the fan speed selection.  
Change the operating mode to Cool or reset the  
unit.  
Heating is Not Working  
Properly  
The filter is blocked with dust.  
Temperature is set too low.  
A window or door is open.  
The outdoor unit is obstructed.  
Clean the air filter.  
Check the temperature and reset if necessary.  
Close the window or door.  
Remove the obstruction.  
Unit Stops During Operation  
The Off timer is not operating correctly.  
Diagnostic lights illuminate.*  
Restart the operating mode.  
Call your service representative.  
*
Diagnostic lights are a combination of lights that will illuminate in the display area on the unit. They are a combination of the lights you see during normal  
operation.  
Printed in U.S.A.  
Edition Date: 11/08  
Catalog No: OM538---619M---01  
Replaces: New  
Copyright 2008 Bryant Heating & Cooling Systems S 7310 W. Morris St. S Indianapolis, IN 46231  
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.  
10  

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