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Bryant 580F User Manual

Bryant 580F
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Cancels: New OM11-18
10/15/00
NOTE TO INSTALLER
This manual should be left with the equipment owner.
Your rooftop combination heating/cooling unit is equipped
with an automatic direct spark ignition and induced draft
combustion blower.
TO LIGHT UNIT
See Fig. 1A and 1B for location of gas valve. Refer to Fig. 2
while proceeding with the following steps.
I. Step 1
Set room thermostat to the lowest temperature setting and
set SYSTEM switch to HEAT or AUTO. position.
II. Step 2
Close the manual gas valve.
III. Step 3
Turn off the electrical supply to the unit and install lockout
tag.
IV. Step 4
Remove the burner access panel.
V. Step 5
Move the control on the gas valve to the OFF position and
wait 5 minutes.
VI. Step 6
Move control on gas valve to ON position.
VII. Step 7
Replace the burner access panel.
VIII. Step 8
Turn on the electrical supply to unit.
IX. Step 9
Open the manual gas valve.
X. Step 10
Set room thermostat selector slightly above room tempera-
ture 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 burners do not light, there is a
22-second delay before another 5-second try. If the burner
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors
and liquid in the vicinity of this or any other appliance.
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause injury
or property damage. Refer to this manual. For assis-
tance or additional information consult a qualified
installer, service agency, or the gas supplier.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any
phone in your building.
Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire
department.
WARNING: Before performing recommended
maintenance, be sure main power switch to unit is
turned off and lockout tag is installed. Electrical shock
could cause personal injury.
WARNING: Do not attempt to ignite gas by hand;
personal injury may result.
DANGER:
1. Do not turn off the electrical power to unit without
first turning off the gas supply.
2. Before attempting to start the gas heating section,
familiarize yourself with all the procedures that
must be followed.
3. 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 proce-
dures, then call your dealer as soon as possible.
If you do not follow these instructions exactly, a fire or
explosion may result. Property damage, injury, or loss
of life could occur.
user’s information manual
SINGLE PACKAGE ROOFTOP
GAS HEATING/ELECTRIC COOLING
UNITS
580F
Sizes 036-150
3 to 12
1
/
2
Tons
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Bryant 580F Specifications

General IconGeneral
Model580F
Compressor TypeSingle-Stage
RefrigerantR-410A
TypeAir Conditioner
Cooling Capacity2 to 5 tons

Summary

TO LIGHT UNIT

DANGER: Critical Safety Warnings

Highlights severe risks like fire, explosion, or loss of life if instructions are not followed precisely.

Step 1-3: Initial Setup and Valve Closure

Initial steps involve setting thermostat, closing manual gas valve, and disconnecting electrical power before proceeding.

Step 4-7: Burner Access and Gas Valve Operation

Includes removing burner access panel, setting gas valve to OFF, waiting, and turning it ON again.

Step 8-10: Power Restoration and Ignition

Restores electrical power and sets thermostat to initiate unit startup and burner ignition.

Step 11: Final Thermostat Setting

Final step involves setting the room thermostat to the desired temperature for normal operation.

Troubleshooting: Burner Ignition Failure

Provides guidance on what actions to take if the main burners fail to ignite or the blower does not operate.

TO SHUT UNIT OFF

Step 1-3: Thermostat, Gas Valve, and Power Shutdown

Procedure to shut down the unit begins with setting the thermostat to OFF, closing the external gas valve, and turning off electrical power.

Step 4-6: Panel Removal and Gas Valve Closure

Involves removing the burner access panel and moving the gas valve control to the OFF position.

Post-Shutdown Procedures and Safety

Covers actions for malfunctions, end-of-season shutdown, and warnings regarding water damage to the unit.

MAINTAINING YOUR UNIT

Qualified Personnel and Area Safety

Stresses that maintenance should be handled by qualified personnel and the unit area kept clear of combustibles.

Airflow Requirements and Clearances

Ensures proper functioning by maintaining clear airflow and required clearances around the unit for ventilation.

ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER

Pre-Service Safety Precautions

Before servicing, turn off gas and electrical power, use lockout tags, and be aware of sharp edges inside the unit.

Air Filters

Filter Inspection and Replacement Procedure

Detailed steps for inspecting and replacing air filters, including thermostat and power settings.

Filter Specifications and Warnings

Provides table for correct filter sizes and warns against operating the unit without filters in place.

Heat Exchanger

Heat Exchanger Inspection and Cleaning

Recommends inspection and cleaning by a qualified maintenance person before each heating season.

Fans, Belts and Fan Motor

Fan Component Checks

Periodic checks of fan wheels, housings, belt tension, and fan motor bearings are recommended.

Evaporator and Condenser Coils

Coil Cleaning by Service Personnel

Cleaning of the evaporator and condenser coils should be performed by qualified service personnel.

Condensate Drain

Drain Pan and Line Maintenance

The drain pan and condensate drain line should be checked and cleaned concurrently with cooling coil checks.

Compressor

Compressor Oil Charge

Compressors are factory supplied with the correct type and charge of refrigeration-grade oil.

Condenser Fan

Condenser Fan Safety and Maintenance

Warns against inserting objects into the fan and emphasizes keeping the fan free of obstructions.

Electrical Controls and Wiring

Electrical Control Diagnostics

If discrepancies are found in the operating cycle, contact your dealer for service due to complexity.

Refrigerant Circuit

Refrigerant Leak Detection

Checking refrigerant circuits for leaks requires proper equipment; contact dealer for suspected issues.

Combustion Area and Vent System

Combustion System Inspection

Visual inspection of combustion area and vent system before heating season to check for dirt, soot, rust, or scale.

Burner Flame Observation

Observe burner flame for bright blue color; call dealer if malfunction is suspected or flame is not blue.

Unit Panels

Panel Fastening After Service

Ensure all unit panels are securely fastened after maintenance to prevent rain entry and airflow disruption.

REGULAR DEALER MAINTENANCE

Dealer Inspection Checklist

Checklist for professional service including flue products, combustion passages, gas pipes, coils, drains, ducts, base, casing, wiring, and refrigerant.

BEFORE YOU CALL FOR SERVICE, CHECK FOR PROBLEMS THAT CAN BE EASILY SOLVED

Heating/Cooling Insufficient Airflow Checks

Check air filter, return/supply grilles for obstructions when heating or cooling is insufficient.

Unit Not Operating Troubleshooting

Troubleshoot unit not operating by checking thermostat settings, electrical supply, fuses, breaker, and gas valve position.

IN CASE OF TROUBLE

Contacting Dealer for Service

If performance remains unsatisfactory, shut off unit and contact dealer with model and serial numbers.

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