PLUS 95S - MODEL 355CAV DIRECT VENT 4-WAY MULTIPOISE
MODULATING CONDENSING GAS FURNACE WITH PERFECT SENSET PERFECT HUMIDITYT
Owner’s Manual
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 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
Failure to follow this warning could result in personal injury and/or death.
Carbon Monoxide is invisible, odorless, and toxic! Bryant Heating and Cooling Systems 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.
CERTIFIED
As an ENERGY STAR→ Partner,
Bryant Heating & Cooling Systems has determined that
this product meets the ENERGY STAR→ guidelines for energy efficiency.
A05085
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.
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TABLE OF CONTENTS
WELCOME TO A NEW GENERATION OF COMFORT . . . 2 FURNACE COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . 4 BEFORE STARTING YOUR FURNACE . . . . . . . . . . . . . . . . 4 STARTING AND SHUTTING DOWN YOUR FURNACE . . 5
Steps for Starting Your Furnace . . . . . . . . . . . . . . . . . . 5 Shutting Down Your Furnace . . . . . . . . . . . . . . . . . . . . 7
PERFORMING ROUTINE MAINTENANCE . . . . . . . . . . . . 7
Filtering Out Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
COMBUSTION AREA AND VENT SYSTEM . . . . . . . . . . 10
Heading South for the Winter . . . . . . . . . . . . . . . . . . . 11
A CHECK-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . 12 BEFORE YOU REQUEST A SERVICE CALL . . . . . . . . . . 13 INSTALLATION DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
WELCOME TO A NEW GENERATION OF COMFORT
Congratulations! In light of rising energy costs, the Plus95s Gas-Fired, Modulating Condensing Furnace is among the wisest investment today’s homeowner can make.
Your new furnace is truly a triumph of technology in home heating. A revolutionary design employs two heat exchangers to maximize the amount of heat from the fuel consumed. In fact, your new furnace is so efficient, up to95%* 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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A05085
Fig. 1 - Plus95s Variable Capacity Furnace
FURNACE COMPONENTS
2 |
17 |
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12 |
3 |
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4 |
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1 |
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5 |
18 |
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6 |
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11 |
5 |
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15 |
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16 |
14 |
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13 |
7
9
19
8
10
A07609
Fig. 2 - Model 355CAV Furnace
1.Combustion-air intake connection to ensure contaminantfree air (right or left side).
2.Burner sight glass for viewing burner flame.
3.Burner assembly (inside). Operates with energy-saving inshot burners and hot surface igniter for safe, dependable heating.
4.Redundant gas valve. Safe and efficient. Features 1 gas control with 2 internal shutoff valves and one throttling valve.
5.Vent outlet. Uses PVC pipe to carry flue gas from the furnace’s combustion system (right or left side).
6.Inducer motor. Pulls hot flue gases through the heat exchangers, maintaining negative pressure for added safety.
7.Blower access panel safety interlock switch.
8.Air filter and retainer (location in furnace may vary).
9.Condensate drain connection. Collects moisture condensed from burned gases for disposal into home drain system. (Location in furnace varies.)
10.Heavy-duty blower. Circulates air across the heat exchangers to transfer heat into the home.
11.Everlastict Secondary condensing heat exchanger (inside). Wrings out more heat through condensation. Constructed with polypropylene-laminated steel to ensure durability.
12.Primary serpentine heat exchanger (inside). Stretches fuel dollars with the S-shaped heat-flow design. Solid construction of corrosion-resistant aluminized steel means reliability.
13.Furnace control board.
14.3-amp fuse provides electrical and component protection.
15.Light emitting diode (LED) on furnace control board. Status code light is for diagnosing furnace operation and service requirements.
16.Pressure switches ensure adequate flow of flue gas through furnace and out vent system.
17.Rollout switch (manual reset) to prevent overtemperature.
18.Junction box for 115-v electrical power supply. (May be located on right or left side)
19.Transformer (24v) behind furnace control board provides low-voltage power to furnace control board and thermostat.
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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, and CAUTION. 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:
SYour gas furnace uses air from outside the home for combustion and vents flue gas to the outdoors. It is not to be installed using indoor air for combustion. The vent pipe must terminate outside the structure and must not be obstructed in any way. The air-intake pipe must terminate outside the structure or in a well ventilated area that is isolated from the living space and the garage (e.g. well ventilated attic or crawlspace). Do not block or obstruct air openings on furnace or spaces around furnace.
A05089
Fig. 3 - Venting
SKeep the area around your furnace clear and free of combustible materials, gasoline, and other flammable liquids and vapors.
A92182
Fig. 4 - Combustible Materials
SDo not cover the furnace, store trash or debris near it, or in any way block the flow of fresh air to the unit.
SA 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.
SThis 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.
!WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury/death or property damage.
Do not keep combustible materials, gasoline, and other flammable liquids or vapors around your furnace.
!WARNING
FIRE AND UNIT OPERATION HAZARD
Failure to follow this warning could result in personal injury/death or property damage.
For proper and safe operation the furnace needs air for combustion and ventilation. Do not block or obstruct the openings on the furnace, air openings to the area in which the furnace is installed, and the space around the furnace.
BEFORE STARTING YOUR FURNACE
Examine the furnace installation monthly to determine that:
1.All flue gas carrying areas external to the furnace (i.e. chimney, vent connector) are clear and free of obstructions.
2.The vent connector is in place, slopes upward and is physically sound without holes or excessive corrosion.
3.The return-air duct connection(s) is physically sound, is sealed to the furnace casing, and terminates outside the space containing the furnace.
4.The physical support of the furnace is sound without sagging cracks, gaps, etc. around the base.
5.There are no obvious signs of deterioration of the furnace.
6.The burner flames are in good adjustment. (See Fig. 5.)
A92330
Fig. 5 - Burner Flame
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STARTING AND SHUTTING DOWN YOUR FURNACE
Instead of a continuously burning pilot flame which wastes valuable energy, your furnace uses an automatic, hot surface ignition system to light the burners each time the thermostat starts your furnace. Follow these important safeguards:
SNever attempt to manually light the burners with a match or other source of flame.
A92319
Fig. 6 - Do Not Light Burner with Match
SRead and follow the operating instructions on inside of main furnace door, especially the item that reads as follows:
Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information above on this furnace label. If you don’t smell gas, go to the next step.
SIf a suspected malfunction occurs with your gas control system, such as the burners do not light when they should, refer to the shutdown procedures on inside of main furnace door, or in the “Shutting Down Your Furnace” section and call your dealer as soon as possible.
!WARNING
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal injury/death or property damage.
Should the gas supply fail to shut off or if overheating occurs, turn off the manual gas valve to the furnace BEFORE turning off the electrical supply. (See Fig. 8.)
SCHECK AIR FILTER: Before attempting to start your furnace, be sure the furnace filter is clean and in place. See “Performing Routine Maintenance” section in this manual. Then proceed as follows:
Steps For Starting Your Furnace
1.Set your room thermostat to the lowest temperature setting. (See Fig. 7.)
2.Close the external manual gas valve. (See Fig. 8.)
A08013
Fig. 7 - Lowest Temperature Setting
CL
O
S
E
A06188
Fig. 8 - Close Valve
3.Turn OFF electrical supply to the furnace. (See Fig. 9.)
4.Remove main furnace door. (See Fig. 10.)
5.The gas valve will have a control switch to turn off and on. Turn the control switch on the gas control to the OFF position and wait 5 minutes. (See Fig. 11.) Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” on furnace label. If you don’t smell gas, go to next step.
6.After waiting 5 minutes, turn the control switch on the gas control to the ON position. (See Fig. 12.)
A92185
Fig. 9 - Turn Off Electrical Supply
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