Bryant 350MAV ユーザーズマニュアル

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WELCOME TO A NEW 
GENERATION OF 
COMFORT
 
Congratulations! In light of rising 
energy costs, the Plus 90
 
TM
 
, 340MAV, 
Plus90t™ and Plus 90i
 
TM
 
 Multipoise, 
Gas-Fired, 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 maxi-
mum amount of heat from the fuel con-
sumed. In fact, your new furnace is so 
efficient, over 90%* of the heat gener-
ated 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-effi-
cient furnaces you can buy today. They 
also are among the safest and most 
dependable. We are proud of the tech-
nological 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 fur-
nace and the small amount of mainte-
nance 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.
 
1
 
MODELS 340MAV 
(SHOWN) AND 350MAV 
FIXED-CAPACITY 
FURNACES
 
2
 
MODEL 355MAV
VARIABLE-CAPACITY 
AND MODEL 352MAV 
TWO-STAGE 
FURNACES
CERTIFIED
As an ENERGY STAR® 
Partner, Bryant Heating & 
Cooling Systems has 
determined that this product 
meets the ENERGY STAR® 
guidelines for energy 
efficiency.
 
2
 
TABLE OF CONTENTS
 
WELCOME TO A NEW GENERATION OF COMFORT
 
. . . . . . . . .2
 
GENERAL FURNACE SAFETY
 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
 
FURNACE COMPONENTS
 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
 
SAFETY CONSIDERATIONS
 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
 
BEFORE STARTING YOUR FURNACE
 
 . . . . . . . . . . . . . . . . . . . . . . . .4
 
STARTING AND SHUTTING DOWN YOUR FURNACE
 
. . . . . . . . .4
Steps for Starting Your Furnace  . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5
Shutting Down Your Furnace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
 
PERFORMING ROUTINE MAINTENANCE
 
. . . . . . . . . . . . . . . . . . . . 6
Filtering Out Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
 
COMBUSTION AREA AND VENT SYSTEM
 
 . . . . . . . . . . . . . . . 8
Heading South For the Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
 
A CHECK-UP CHECKLIST
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9,10
 
BEFORE YOU REQUEST A SERVICE CALL
 
. . . . . . . . . . . . . . . . . .10
 
INSTALLATION DATA
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
 
GENERAL FURNACE SAFETY
 
  1.
Combustible Materials, Gasoline Warning
 
 . . . . . . . . . . . . . . . . . 1,4
 
  2.
Furnace Must be Kept Free and Clear of Insulating 
Material Warning
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
 
  3.
Furnace Needs Air for Combustion and Ventilation Warning
 
 . . .4
 
  4.
Starting (Lighting) and Shutting Down the Furnace Warning
 
. . .7
 
  5.
Proper Furnace Shutdown Procedures
 
. . . . . . . . . . . . . . . . . . . . . . .5
 
  6.
Flood Damage Warning
 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
 
  7.
Fire or Explosion Hazard Warning
 
. . . . . . . . . . . . . . . . . . . . . . . . . . 1
 
  8.
Carbon Monoxide Warning
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
 
  9.
Service and Maintenance Electrical Hazard Warning
 
 . . . . . . . . . 6
 
10.
Improper Vent Warning
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
 
11.
Sharp Edges Caution
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
 
12.
No Filter Caution
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
 
13.
Filter Rod Modification Caution
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
 
14.
Dirt, Rust, or Accumulation Caution
 
 . . . . . . . . . . . . . . . . . . . . . . . . 7