Bryant 355M-40-4 Furnace User Manual


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Index Page
DIMENSIONAL DRAWING........................................................2
SAFETY CONSIDERATIONS.....................................................3
Clearances to Combustibles......................................................3
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ....3-4
INTRODUCTION..........................................................................4
APPLICATIONS ......................................................................4-11
General......................................................................................4
Upflow Applications..............................................................4-6
Downflow Applications.........................................................7-8
Horizontal Left (Supply-Air Discharge) Applications.........8-9
Horizontal Right (Supply-Air Discharge) Applications.....9-11
LOCATION ............................................................................11-13
General...............................................................................11-12
Low-Fire Only Installation.....................................................12
Furnace Location Relative to Cooling Equipment ................12
Hazardous Locations...............................................................13
INSTALLATION....................................................................13-17
Leveling Legs (If Desired).....................................................13
Installation In Upflow or Downflow Applications ..........13-15
Installation In Horizontal Applications..................................15
Filter Arrangement..................................................................16
Bottom Closure Panel.............................................................16
Gas Piping...............................................................................17
ELECTRICAL CONNECTIONS...........................................17-21
115-v Wiring......................................................................17-18
24-v Wiring........................................................................18-20
Accessories ........................................................................20-21
DIRECT VENTING ...............................................................21-29
Removal of Existing Furnaces from
Common Vent Systems.....................................................21
Combustion-Air and Vent Piping .....................................21-26
Concentric Vent and Combustion-Air Termination
Kit Installation..............................................................26-29
Multiventing and Vent Terminations.....................................29
CONDENSATE DRAIN..............................................................29
General....................................................................................29
Application..............................................................................29
Condensate Drain Protection..................................................29
SEQUENCE OF OPERATION..............................................31-34
Self-Test Mode........................................................................31
Heating Mode....................................................................31-32
Heating Mode—Two Stage....................................................32
Emergency Heat Mode...........................................................32
Cooling Mode .........................................................................32
Heat Pump Mode...............................................................32-33
Continuous Fan Mode ............................................................33
Component Test......................................................................34
Bypass Humidifier Mode........................................................34
Dehumidification Mode..........................................................34
Zone Mode..............................................................................34
START-UP PROCEDURES ..................................................34-42
General....................................................................................34
Select Setup Switch Positions...........................................34-35
Prime Condensate Trap With Water.................................35-36
Purge Gas Lines......................................................................37
Adjustments .......................................................................37-42
Set Gas Input Rate ............................................................37-41
Set Temperature Rise ........................................................41-42
Set Thermostat Heat Anticipator............................................42
CHECK SAFETY CONTROLS ............................................42-43
Check Primary Limit Control.................................................42
Check Pressure Switch......................................................42-43
CHECKLIST...........................................................................43-44
A93040
®
ama
CANADIAN GAS ASSOCIATION
APPROVED
R
As an ENERGY STAR
SM
Partner, Bryant Heating &
Cooling Systems Com-
pany has determined that
this product meets theEN-
ERGY STAR guidelines
for energy efficiency.
CERTIFICATION OF MANUFACTURING SITE
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-40-4 II 355M-40-5
7-97
355MAV
Series D
—1—
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