Bryant 4-WAY MULTIPOISE FIXED-CAPACITY CONDENSING GAS FUR Manual de usuario

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NOTE: Read the entire instruction manual before performing any
service or maintenance.
Index Page
SAFETY CONSIDERATIONS..................................................1-2
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS........2
GENERAL......................................................................................2
CARE AND MAINTENANCE................................................2-10
Cleaning and/or Replacing Air Filter ...................................2-3
Blower Motor and Wheel Maintenance................................3-4
Cleaning Burners ......................................................................4
Cleaning Heat Exchangers ....................................................4-5
Primary Heat Exchangers ................................................4-5
Secondary Heat Exchangers................................................5
Flushing Collector Box and Drainage System.....................5-7
Servicing Hot Surface Ignitor ..................................................7
Electrical Controls and Wiring.................................................7
Troubleshooting.....................................................................7-9
Checking Heat Tape Operation (If Applicable) ......................9
Winterizing..............................................................................10
WIRING DIAGRAM...................................................................11
SERVICE LABEL .......................................................................12
TROUBLESHOOTING GUIDE ............................................13-14
SAFETY CONSIDERATIONS
Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning and replacing air filters. All other operations must
be performed by trained service personnel. When working on
heating equipment, observe precautions in the literature, on tags,
and on labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. In the United States, follow all safety
codes including the National Fuel Gas Code (NFGC) NFPA
54-1996/ANSI Z223.1-1996 and the Installation Standards, Warm
Air Heating and Air Conditioning Systems (NFPA 90B)
ANSI/NFPA 90B. In Canada, refer to the CAN/CGA-B149.1- and
.2-M95 National Standard of Canada, Natural Gas and Propane
Installation Codes (NSCNGPIC). Wear safety glasses and work
gloves. Have a fire extinguisher available during start-up and
adjustment procedures and service calls.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
WARNING: The ability to properly perform mainte-
nance on this equipment requires certain expertise, me-
chanical skills, tools, and equipment. If you do not
possess these, do not attempt to perform any maintenance
on this equipment other than those procedures recom-
mended in the User’s Manual. FAILURE TO FOLLOW
THIS WARNING COULD RESULT IN POSSIBLE
DAMAGE TO THIS EQUIPMENT, SERIOUS PER-
SONAL INJURY, OR DEATH.
A93040
®
ama
CANADIAN GAS ASSOCIATION
APPROVED
R
As an ENERGY STAR®
Partner, BRYANT has deter-
mined that this product meets
the ENERGY STAR® guide-
lines for energy efficiency.
A98187
REGISTERED QUALITY SYSTEM
Fig. 1—Multipoise Furnace in Upflow Orientation
service and
maintenance procedures
4-WAY MULTIPOISE
FIXED-CAPACITY
CONDENSING GAS FURNACE
Cancels: SP05-36 SP05-42
5-99
345MAV
Series B
—1—
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1 2 3 4 5 6 ... 15 16

Indice de contenidos

Pagina 1 - Series B

NOTE: Read the entire instruction manual before performing anyservice or maintenance.Index PageSAFETY CONSIDERATIONS...

Pagina 2

2. Check for discolored heat tape insulation. If any damage ordiscolored insulation is evident, replace heat tape.3. Check that heat tape power supply

Pagina 3

PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2WHTPL1321654987LEDTEST/TWINBLOWEROFFDELAYGRYWCHUMHSIR IDR BLWRBLOW

Pagina 4

→ Fig. 16—Service LabelA99107SERVICECOMPONENT TESTTo initiate the component test sequence,shut OFF the room thermostat ordisconnect the "R"

Pagina 5 - INLET OPENINGS

Is circuit breaker closed?Close door switch and go to start.Is red LED status light on? Is door switch closed?Is red LED status light blinkingrapidly

Pagina 6 - TUBE ROUTING

11 NO PREVIOUS FAULT - Faultsare erased after 48 hrs orwhenever power (115v or 24v) isinterrupted. Run system througha heating or cooling cycle toche

Pagina 7

—15—

Pagina 8 - Fig. 12—Control Center

A94328SERVICE TRAININGPackaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, in

Pagina 9 - PROTECTION REQUIRED

WARNING: Never store anything on, near, or in contactwith the furnace, such as:1. Spray or aerosol cans, rags, brooms, dust mops,vacuum cleaners, or o

Pagina 10

7. Place filter in furnace.8. Replace blower access panel and main furnace door.9. Turn on electrical supply to furnace.NOTE: If the filter has cross-

Pagina 11 - → Fig. 15—Wiring Diagram

CAUTION: Heating speed selection MUST be adjustedto provide proper temperature rise as specified on therating plate. Failure to adjust the heating spe

Pagina 12 - LED CODE

1. Turn off gas and electrical supplies to furnace.2. Remove main furnace door.3. Disconnect wires or connectors to rollout switch, gas valve,ignitor,

Pagina 13 - → Troubleshooting Guide

8. Flush inside of collector box with water until dischargefrom condensate trap is clean and runs freely.NOTE: Ensure the drain tube disconnected from

Pagina 14

hydrocarbons or inadequate seal may occur) to inducer housing.(See Fig. 10.) Apply a small bead of G.E. RTV 162, G.E. RTV6702, or Dow-Corning RTV 738

Pagina 15

Fig. 11—Field WiringA98209115-VFIELD-SUPPLIEDDISCONNECTAUXILIARYJ-BOX CONTROLBOX24-VTERMINALBLOCK THREE-WIREHEATING-ONLYFIVEWIRE NOTE 1NOTE 2FIEL

Pagina 16 - SERVICE TRAINING

The control center stores 1 fault code (the last fault to occur) for aperiod of 48 hrs or until the 115- or 24-v power is interrupted.NOTE: Removing b

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