Bryant Single Packaged And Gas Furnace System 577D User Manual

577D  
EVOLUTIONt 15 SEER  
SINGLE-PACKAGED AIR CONDITIONER AND GAS FURNACE SYSTEM  
WITH PURON (R-410A) REFRIGERANT SINGLE PHASE  
2 -5 NOMINAL TONS (SIZES A24-A60)  
Owner’s Information Manual  
A09032  
Fig. 1 -- Unit 577D  
NOTE TO EQUIPMENT OWNER:  
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  
INSTALLATION INFORMATION  
Model # _____________________________________  
Serial # ______________________________________  
Date Installed ________________________________  
DEALERSHIP CONTACT INFORMATION  
Company Name_______________________________  
Address______________________________________  
_____________________________________________  
Phone Number _______________________________  
Technician Name _____________________________  
_____________________________________________  
ACCESSORIES (List type and model #)  
_____________________________________________  
_____________________________________________  
_____________________________________________  
NOTE TO INSTALLER:  
This manual must be left with the equipment owner.  
1
UNIT INTRODUCTION  
This 577D unit is a small packaged gas heat/electric cooling system  
that can utilize the comfort of gas heating packaged along with effi-  
®
cient electric air conditioning. This unit uses Puron , the environ-  
mentally friendly refrigerant, for cooling.  
OPERATING YOUR UNIT  
The operation of your unit is controlled by the Evolutiont User In-  
terface (UI). You simply program the UI and it maintains the indoor  
temperature at the level you select. See UI manual for detailed in-  
structions.  
Flue Hood  
To better protect your investment and to eliminate unnecessary ser-  
vice calls, familiarize yourself with the following facts:  
Burners  
Gas Valve  
A09043  
To start unit gas heat:  
Fig. 3 -- Gas Heating/Electric Cooling Unit with Access Panel  
Removed (Standard unit shown. Actual appearance is shown  
in Fig. 2.)  
Refer to Fig. 2 for location of unit front access panel. Refer to Fig.  
3 for location of gas valve. Refer to Fig. 4 while proceeding with the  
following steps.  
1. Set the temperature selector on UI to the lowest temperature  
setting and set system switch to HEAT.  
WARNING  
FIRE AND EXPLOSION HAZARD  
!
2. Close the external manual gas shutoff valve.  
3. Turn off the electrical supply to the unit.  
Failure to follow this warning could result in personal injury,  
death, and/or property damage.  
4. Remove the front access panel with a 5/16--in. nut driver.  
1. If the main burners fail to light, or the blower fails to start,  
shut down gas heating section and call your dealer for service.  
2. Never attempt to manually light the main burners on unit  
with a match, lighter, or any other flame. If the electric  
sparking device fails to light the main burners, refer to the  
following shutdown procedures, then call your dealer as soon  
as possible.  
5. Move the selector switch onthe internalgas valveto theOFF  
position and wait 5 minutes.  
6. Move the selector switch on the internal gas valve to the ON  
position.  
7. Replace the front access panel.  
8. Turn on the electrical supply to unit.  
9. Open the external manual gas shutoff valve.  
To shut off unit gas heat:  
10. Set the temperature selector on UI slightly above room tem-  
perature to start unit. The induced--draft combustion air fan  
will start. Main gas valve will open and main burners should  
ignite within 5 seconds. If the burner does not light within 5  
seconds, the ignition module will go into a Retry Mode after  
a period of approximately 22 seconds (following the  
5--second ignition period). If the burners do not light within  
15 minutes of the initial call for heat, there is a lockout.  
WARNING  
!
FIRE,  
HAZARD  
EXPLOSION,  
ELECTRICAL  
SHOCK  
Failure to follow this warning could result in personal injury,  
death, and/or property damage.  
Do not turn off the electrical power to unit without first  
turning off the gas supply.  
11. Set the temperature selector on UI to desired setting.  
Note:If the unit is being shut down because of a malfunction, call  
your dealer as soon as possible.  
Should overheating occur or the gas supply fail to shut off, shut off  
the external manualgasvalveto theunitbeforeshutting off theelec-  
trical supply. Do not use this unit if any part has been under water.  
Immediately call a qualified service technician to inspect the unit  
and to replace any part of the control system and any gas control  
which has been under water.  
Refer to Fig. 4 while proceeding with the following steps.  
1. Set thetemperatureselectoron UI to lowest temperatureset-  
ting and set system SWITCH to OFF.  
2. Close the external manual shutoff valve.  
3. Turn off the electrical power supply to the unit.  
4. Remove the front access panel.  
5. Movetheselectorswitchontheinternalgas valveto theOFF  
position.  
To start unit electric cooling:  
Filter Access Panel  
For Accessory Filter Rack  
Refer to Fig. 5 while proceeding with the following steps.  
1. Set the temperature selector on UI to highest temperature  
setting and set system SWITCH to OFF.  
Access Panels  
2. Close the external manual shutoff valve.  
A09045  
Fig. 2 -- Accessory Filter Rack Access Panel  
3. Turn off the electrical power supply to the unit.  
3
4. Remove the front access panel.  
To shut off unit electric cooling:  
5. Move the selector switch onthe internalgas valveto theOFF  
position.  
Refer to Fig. 6 while proceeding with the following steps.  
1. Set the temperatureselector onUI tohighest temperatureset-  
ting and set system SWITCH to OFF.  
6. Replace the front access panel  
7. Restore electrical power to the unit and set system switch to  
COOL.  
2. Close the external manual shutoff valve.  
8. Set the temperature selector on UI slightly below the room  
temperature to start unit.  
3. Turn off the electrical power supply to the unit.  
MAIN  
ON  
55  
OFF  
STEP 1  
STEP 2  
STEP 3  
STEP 5  
STEP 4  
STEP 6  
STEP 7  
MAIN  
ON  
72  
OFF  
STEP 8  
STEP 9  
STEP 10  
A09133  
Fig. 4 - To Start Unit Gas Heat  
4
MAIN  
ON  
55  
OFF  
STEP 1  
STEP 2  
STEP 3  
STEP 4  
STEP 5  
STEP 6  
A09134  
Fig. 5 - To Shut-off Unit Gas Heat  
Cooling Mode  
MAINTENANCE AND SERVICE  
This section discusses maintenance that should be performed on  
your system. Most maintenance should be performed by your deal-  
er. You, as the owner, may wish to handle some minor maintenance  
for your new unit.  
With the SYSTEM or MODE control set to COOL, your unit will  
run in cooling mode until the indoor temperature is lowered to the  
level you have selected. On extremely hot days, your unit will run  
for longer periods at a time and have shorter “off” periods than on  
moderate days.  
Routine Maintenance  
All routine maintenance should be handled by skilled, experienced  
personnel. Your dealer can help you establish a standard procedure.  
Gas Heating Mode  
With the SYSTEM or MODE control set to HEAT, your unit will  
run in heating mode until the room temperature is raised to the level  
you have selected. Of course, your unit will run for longer periods  
to maintain a comfortable environment on cooler days and nights  
than on moderate ones.  
To assure proper functioning of the unit, flow of condenser air must  
not be obstructed from reaching the unit. Clearance from the top of  
the unit is 48 in. (1219 mm) Clearance of at least 36 in. (914 mm)  
is required on sides except the power entry side (42 in. [1067 mm]  
clearance) and the duct side (12 in. [305 mm] minimum clearance).  
5
MAIN  
ON  
90  
OFF  
STEP 1  
STEP 2  
STEP 3  
STEP 4  
STEP 5  
MAIN  
ON  
OFF  
STEP 6  
STEP 7  
72  
STEP 8  
A09135  
Fig. 6 - To Start Unit Electric Cooling  
6
MAIN  
ON  
90  
OFF  
STEP 1  
STEP 2  
STEP 3  
A07797  
Fig. 7 - To Shut-off Unit Electric Cooling  
BURNER FLAME  
Table 1—Air Filters Located Inside Unit  
(For Replacement Purposes)  
BURNER  
Unit Size  
Quantity  
Filter Size in. (mm)  
12x20x1  
(305x508x25)  
A24---A30  
2
12x24x1  
(305x610x25)  
A36---A60  
3
MANIFOLD  
To replace or inspect filters in accessory filter rack (See Fig. 2):  
1. Remove the filter access panel using a 5/16--in. nut driver.  
C99021  
Fig. 8 - Monoport Burner  
2. Removethefilter(s)by pulling itoutoftheunit.If thefilter(s)  
is dirty, clean or replace with a new one.  
Maintenance and Care for the Equipment Owner  
Before proceeding with those things you might want to maintain  
yourself, please carefully consider the following:  
When installing the new filter(s), note the direction of the airflow  
arrows on the filter frame.  
If you have difficulty locating your air filter(s) or have questions  
concerning proper filter maintenance, contact your dealer for in-  
structions. When replacing filters, always use the same size and type  
of filter that was supplied originally by the installer.  
!
WARNING  
FIRE, EXPLOSION, ELECTRICAL SHOCK AND  
CUT HAZARD  
Failure to follow this warning could result in personal injury,  
death or property damage.  
!
WARNING  
1. TURN OFF ELECTRICAL POWER TO YOUR UNIT  
FIRE AND UNIT OPERATION HAZARD  
BEFORE  
SERVICING  
OR  
PERFORMING  
Failure to follow this warning could result in personal injury,  
death or property damage.  
MAINTENANCE.  
2. When removing access panels or performing maintenance  
functions inside your unit, be aware of sharp sheet metal  
parts and screws. Although special care is taken to reduce  
sharp edges to a minimum, be extremely careful when  
handling parts or reaching into the unit.  
Never operate your unit without filters in place. An  
accumulation of dust and lint on internal parts of your unit can  
cause loss of efficiency.  
Fans and Fan Motors  
Air Filters  
Periodically check the condition of fan wheels and housings and  
fan--motor shaft bearings. Contact your dealer for the required  
annual maintenance.  
The air filter(s) should be checked every 3 or 4 weeks and changed  
or cleaned whenever it becomes dirty. Dirty filters produce exces-  
sive stress on the blower motor and can cause the motor to overheat  
and shut down.  
Indoor and Outdoor Coils  
Cleaning of the coils should only be done by qualified service per-  
sonnel. Contact your dealer for the required annual maintenance.  
This unit must have air filters in place before it can be operated.  
These filters can be located in one of at least two places. In many ap-  
plications, the installer will provide return air filter grilles mounted  
on the wall or ceiling of the conditioned structure. In the instance of  
filter grilles, the filters can simply be removed from the grille and re-  
placed.  
Condensate Drain  
The drain pan and condensate drain line should be checked and  
cleaned at the same time the cooling coils are checked by your deal-  
er.  
The other typical application is an accessory filter rack installed in-  
side the unit itself. The following information is given to assist in  
changing filters used in these internal filter racks.  
Compressor  
All compressors arefactory shippedwith anormal chargeof thecor-  
rect type of refrigeration grade oil. A compressor should rarely re-  
quire additional oil.  
Table 1 indicates the correct filter size for your unit. Refer to Fig. 2  
to access filters installed in the accessory filter rack.  
7
Condenser Fan  
3. Inspection and cleaning of blower wheelhousing andmotor.  
4. Inspection of all supply--air and return--air ducts for leaks,  
obstructions, and insulation integrity. Any problems found  
should be resolved at this time.  
!
WARNING  
PERSONAL INJURY AND UNIT DAMAGE HAZARD  
5. Inspectionof theunit baseto ensurethat nocracks, gaps,etc.,  
exist which may cause a hazardous condition.  
Failure to follow this warning could result in personal injury,  
death or property damage.  
6. Inspection of the unit casing for signs of deterioration.  
Do not poke sticks, screwdrivers, or any other object into  
revolving fan blades.  
7. Inspection of all electrical wiring and components to assure  
proper connection.  
The fan must be kept free of all obstructions to ensure proper cool-  
ing. Contact your dealer for any required service.  
8. Inspection for leaks in the refrigerant circuit. Pressure check  
to determine appropriate refrigerant charge.  
Electrical Controls and Wiring  
9. Operational check of the unit to determine working  
conditions.Repairoradjustmentshouldbe madeat thistime.  
Electrical controlsare difficultto checkwithout properinstrumenta-  
tion. If there are any discrepancies in the operating cycle, contact  
your local dealer and request service.  
Your servicing dealer may offer an economical service contract that  
covers seasonal inspections. Ask for further details.  
Refrigerant Circuit  
Complete service instructions can be found in the unit Installation,  
Start--up and Service Instructions.  
Therefrigerantcircuitisdifficulttocheckforleakswithout theprop-  
er equipment. If inadequate cooling is suspected, contact your local  
dealer for service.  
Warranty Certificate  
Your 577D unit has a limited warranty. Be sure to read the warranty  
carefully to determine the coverage for your unit.  
!
WARNING  
Before you call for service...  
EXPLOSION, BURN AND ENVIRONMENTAL  
HAZARD  
...check for several easily--solved problems.  
If insufficient heating or cooling is suspected:  
Failure to follow this warning could result in personal injury,  
death or property damage.  
( ) Check for sufficient airflow. Check the air filter for dirt. Check  
for blocked return--air or supply--air grilles. Be sure they are open  
and unobstructed. If these checks do not reveal the cause, call your  
servicing dealer.  
System under pressure. Relieve pressure and recover all  
refrigerant before system repair or final unit disposal. Use all  
service ports and open all flow--control devices, including  
solenoid valves.  
If your unit is not operating at all, check the following list for  
easy solutions:  
Unit Panels  
After performing any maintenance or service on the unit, be sure all  
panels are fastened securely in place to prevent rain from entering  
unit cabinet and to prevent disruption of the correct unit airflow pat-  
tern.  
( ) Check to be sure that the temperature specified by your UI is set  
below the indoor temperature during the cooling season or above  
the indoor temperature during heating season. Be sure the UI is set  
to COOL or HEAT and not OFF.  
Regular Dealer Maintenance  
(
) If your unit still fails to operate, call your servicing dealer for  
troubleshooting and repairs. Specify the model and serial numbers  
of your unit. (Record them in this manual in the space provided.) If  
the dealer knows exactly which unit you have, he may be able to  
offer suggestions over the phone, or save valuable time through  
knowledgeable preparation for the service call.  
In addition to the type of routine maintenance you might be willing  
to perform, your unit should be inspected regularly by a properly  
trained service technician. An inspection (preferably each year, but  
at least every other year) should include the following:  
1. Inspection and, if required, cleaning of the outdoor and  
indoor coils.  
In Case of Trouble  
2. Inspection and, if required, cleaning of the indoor coil drain  
pan.  
If you perform the steps above and unit performance is still unsatis-  
factory, shut off the unit and call your dealer.  
Heating & Cooling Systems  
TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or 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.  
Edition Date: 03/09  
Catalog No:OM577D---01  
Copyright 2009 Bryant Heating & Cooling Systems, 7310 W. Morris St. Indianapolis, IN 46231 Printed in the U.S.A.  
R e p l a ce s: OM 1 0 --- 2 4  
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.  
8

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