NOTE:
Read the entire instruction manual before starting the
installation.
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indicates a change since the last issue.
Index
Page
SAFETY CONSIDERATIONS .....................................................2
DIMENSIONAL DRAWING........................................................3
Clearances to Combustibles......................................................4
CODES AND STANDARDS........................................................5
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS........5
INTRODUCTION ..........................................................................6
APPLICATIONS............................................................................6
General ......................................................................................6
Upflow Applications.................................................................6
Downflow Applications ............................................................8
Horizontal Left (Supply-Air Discharge) Applications ..........10
Horizontal Right (Supply-Air Discharge) Applications ........12
LOCATION..................................................................................13
General ....................................................................................13
Low-Heat Only Installation ....................................................14
Furnace Location Relative to Cooling Equipment ................15
Hazardous Locations...............................................................15
INSTALLATION .........................................................................15
Leveling Legs (If Desired) .....................................................15
Installation In Upflow or Downflow Applications................15
Installation In Horizontal Applications ..................................17
Air Ducts.................................................................................18
General Requirements .......................................................18
Ductwork Acoustical Treatment .......................................18
Supply Air Connections ....................................................18
Return Air Connections.....................................................18
Filter Arrangement..................................................................18
Bottom Closure Panel.............................................................19
Gas Piping...............................................................................19
Electrical Connections ............................................................20
115-v Wiring......................................................................20
24-v Wiring........................................................................22
Accessories ........................................................................22
Direct Venting.........................................................................22
Removal of Existing Furnaces from
Common Vent Systems................................................22
Combustion-Air and Vent Piping .....................................25
Concentric Vent and Combustion-Air Termination
Kit Installation..............................................................31
Multiventing and Vent Terminations................................34
Condensate Drain....................................................................34
General...............................................................................34
Application.........................................................................34
Condensate Drain Protection.............................................35
START-UP, ADJUSTMENTS AND SAFETY CHECK......35
General...............................................................................35
Select Setup Switch Positions...........................................36
Prime Condensate Trap With Water.................................37
Purge Gas Lines ................................................................37
Sequence of Operation ......................................................37
Single-Stage Thermostat and Two-Stage Heating
(Adaptive Mode) ..........................................................37
Two-Stage Thermostat and Two-Stage Heating .........39
Cooling Mode...............................................................39
Thermidistat Mode .......................................................40
Super-Dehumidify Mode..............................................40
Continuous Blower Mode ............................................40
Heat Pump ....................................................................41
Component Test ...........................................................41
Adjustments .......................................................................41
Set Gas Input Rate .......................................................41
Set Temperature Rise...................................................48
Set Thermostat Heat Anticipator .................................49
A93040
ama
CERTIFIED
®
REGISTERED
ISO 9001:2000
As an ENERGY STAR®
Partner, Bryant Heating &
Cooling Systems has de-
termined that this product
meets
the
ENERGY
STAR® guidelines for en-
ergy efficiency.
Fig. 1—Multipoise Orientations
A93041
UPFLOW
DOWNFLOW
HORIZONTAL
LEFT
AIRFLOW
AIRFLOW
AIRFLOW
AIRFLOW
HORIZONTAL
RIGHT
installation, start-up,
and operating instructions
DELUXE 4-WAY MULTIPOISE
VARIABLE-CAPACITY DIRECT-VENT
CONDENSING GAS FURNACE
Cancels:
II 355M-40-13
II 355M-40-14
3-05
355MAV
Series I
—1—
Summary of Contents for CONDENSING GAS FURNACE 355MAV
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