MULTIPOISE, CONDENSING |
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DIRECT VENT/NON-DIRECT VENT |
58MCB, 58MTB, 58MVB, 58MXB |
GAS FURNACE
USER’S INFORMATION MANUAL FOR OPERATION AND MAINTENANCE OF
YOUR GAS-FIRED FURNACE
NOTE TO INSTALLER:
THIS MANUAL MUST BE LEFT WITH THE EQUIPMENT USER.
USER: Please read all instructions in the manual and retain all manuals for future reference.
! WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in serious injury, death, or property damage.
—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
—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.
•Leave the building immediately.
•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.
—Installation and service must be performed by a qualified installer, service agency or the gas supplier.
! WARNING:
CARBON MONOXIDE POISONING HAZARD Carbon Monoxide is invisible, odorless, and toxic! Carrier Corporation recommends a carbon monoxide alarm in your home, even if you do not own a gas appliance. Locate the carbon monoxide alarm in the living area of your home and away from gas appliances and doorways to attached garages. Follow the alarm manufacturer’s instruction included with the alarm.
Do not use this furnace if any part has been under water. A flood-damaged furnace is extremely dangerous. Attempts to use the furnace can result in fire or explosion. A qualified service agency should be contacted to inspect the furnace and to replace all gas controls, control system parts, electrical parts that have been wet or the furnace if deemed necessary.
TABLE OF CONTENTS
WELCOME TO A NEW GENERATION OF COMFORT . . . . . . . 2
FURNACE COMPONENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
STARTING AND SHUTTING DOWN YOUR FURNACE . . . . . . . 5 Steps for Starting Your Furnace. . . . . . . . . . . . . . . . . . . . . . . . . .5-7 Shutting Down Your Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PERFORMING ROUTINE MAINTENANCE. . . . . . . . . . . . . . . . . . . 7
Filtering Out Trouble. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
COMBUSTION AREA AND VENT SYSTEM. . . . . . . . . . . . . . . . . . . 9 Heading South for the Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
A CHECK-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
BEFORE YOU REQUEST A SERVICE CALL . . . . . . . . . . . . . . . . .11
INSTALLATION DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
WELCOME TO A NEW GENERATION OF COMFORT
Congratulations! In light of rising energy costs, the 58MCB, 58MXB, 58MTB, and WeatherMaker Infinity, Multipoise, GasFired Condensing Furnaces are among the soundest investments today’s homeowner can make.
Your new furnace is truly a triumph of technology in home heating. A revolutionary design employs 2 heat exchangers to “squeeze” out the maximum amount of heat from the fuel consumed. In fact, your new furnace is so efficient, over 90%* of the heat generated during combustion is captured and delivered inside your home. That is more than a 33%* increase in heating efficiency over conventional furnaces.
These are among the most energy-efficient furnaces you can buy today. They also are among the safest and most dependable. We are proud of the technological advances incorporated into the design of these furnaces.With only minimal care, your new furnace will deliver many years of money-saving home comfort and enjoyment. Spend just a few minutes with this manual to learn the operation of your new furnace and the small amount of maintenance it takes to help keep it operating at peak efficiency year after year.
*The output capacity and any representations of efficiency for this furnace are based on standard U.S. Department of Energy test procedures.
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AND 58MCB FIXED-CAPACITY |
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FURNACES |
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MODEL 58MVB
VARIABLE-CAPACITY
AND MODEL 58MTB
TWO-STAGE FURNACES
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FURNACE COMPONENTS
1Combustion-air intake connection to ensure contami- nant-free air (right or left side).
2Burner sight glass for viewing burner flame.
3Burner assembly (inside). Operates with energy-saving inshot burners and hot surface igniter for safe, dependable heating.
4Redundant gas valve. Safe and efficient. Features 1 gas control with 2 internal shutoff valves. Valve appearance varies with furnace model.
5Vent outlet. Uses PVC pipe to carry flue gas from the furnace’s combustion system (right or left side).
6Inducer motor. Pulls hot flue gases through the heat exchangers, maintaining negative pressure for added safety.
7Blower access panel safety interlock switch.
8Air filter and retainer (location in furnace may vary).
9Condensate drain connection. Collects moisture condensed from burned gases for disposal into home drain system. (Location in furnace varies.)
10Heavy-duty blower. Circulates air across the heat exchangers to transfer heat into the home.
11Secondary condensing heat exchanger (inside). Wrings out more heat through condensation. Constructed with polypropylene-laminated steel to ensure durability.
12Primary serpentine heat exchanger (inside). Stretches fuel dollars with the S-shaped heat-flow design. Solid construction of corrosion-resistant aluminized steel means reliability.
13Furnace control board.
143-amp fuse provides electrical and component protection.
15Light emitting diode (LED) on furnace control board. Status code light is for diagnosing furnace operation and service requirements.
16Pressure switch(es) ensure adequate flow of flue gas through furnace and out vent system.
17Rollout switch (manual reset) to prevent overtemperature.
18Junction box for 115-v electrical power supply. (May be located on right or left side)
19Transformer (24v) behind furnace control board provides low-voltage power to furnace control board and thermostat.
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MODELS 58MCB, 58MXB, AND 58MTB FURNACES (UPFLOW POSITION)
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MODEL 58MVB
FURNACE (UPFLOW POSITION)
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SAFETY CONSIDERATIONS
Recognize safety information. This is the safety-alert symbol ! . When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury.
Understand the signal words—DANGER, WARNING, CAUTION and NOTE. DANGER, WARNING and CAUTION are used with the safety-alert symbol. DANGER 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 may 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.
To minimize the possibility of serious personal injury, fire, furnace damage, or improper operation; carefully follow these safety rules:
•Your new gas furnace may have been installed in 1 of 2 ways, as a direct-vent (2-pipe) application or as a non-direct vent (1-pipe) application.
•In a direct-vent (2-pipe) application, your furnace uses air from outside the home for combustion and vents flue gas to the outdoors. This type of application will have 2 pipes running from the furnace to the outdoors. (See Fig. 5.) In this application, the vent and air-intake pipes must terminate outside the structure and must not be obstructed in any way. Do not block or obstruct air openings on furnace or spaces around furnace.
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• Keep the area around your furnace clear and free of combustible materials, gasoline, and other flammable liquids and vapors.
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• In a non-direct vent (1-pipe) application, your furnace uses air from adjacent to the furnace for combustion and vents flue gas to the outdoors. This type of application will have only 1 pipe running from the furnace to the outdoors. (See Fig. 6) The other pipe will terminate in the same space as the furnace and is the source of combustion air for your furnace. Therefore, the furnace must not be enclosed in an airtight room or be sealed behind solid doors. It must have adequate airflow for efficient combustion and safe ventilation. Do not obstruct the combustion-air pipe in any way. The vent pipe must terminate outside the structure and must not be obstructed in any way. Do not block or obstruct air openings or space around furnace.
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• Do not cover the furnace, store trash or debris near it, or in any way block the flow of fresh air to the unit.
In addition to the safety rules above, make sure that the following combustion-air requirements are met for non-direct vent applications.
•Combustion air must be clean and uncontaminated with chlorine or fluorine. These compounds are present in many products around the home, such as water softener salts, laundry bleaches, detergents, adhesives, paints, varnishes, paint strippers, and plastics.
•Make sure the combustion air for your furnace does not contain any of these compounds. During remodeling be sure the combustion air is fresh and uncontaminated. If these compounds are burned in your furnace, the heat exchangers may deteriorate.
•A furnace installed in an attic or other insulated space must be kept free and clear of insulating material. Examine the furnace area when the furnace is installed or when insulation is added. Some materials may be combustible.
•Should the gas supply fail to shut off or if overheating occurs, shut off the gas valve to the furnace before shutting off electrical supply.
This furnace contains SAFETY DEVICES which must be MANUALLY RESET. If the furnace is left unattended for an extended period of time, have it checked periodically for proper operation. This precaution will prevent problems associated with no heat, such as frozen water pipes, etc. See “Before You Request a Service Call’’ section in this manual.
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