NOTE: Read the entire instruction manual before starting the
installation.
This symbol
indicates a change since the last issue.
Index
INTRODUCTION ..........................................................................6
APPLICATIONS ......................................................................6-12
General ......................................................................................6
LOCATION ............................................................................12-14
General...............................................................................12-13
INSTALLATION .........................................................................14
AIR DUCTS............................................................................14-19
Gas Piping..........................................................................18-19
115-v Wiring...........................................................................20
24-v Wiring.............................................................................20
Wiring Diagram ......................................................................21
Accessories ........................................................................20-22
DIRECT VENTING ...............................................................22-34
Kit Installation..............................................................30-31
CONDENSATE DRAIN..............................................................34
General ....................................................................................34
installation, start-up,
and operating instructions
4-WAY MULTIPOISE
FIXED-CAPACITY DIRECT-VENT
CONDENSING GAS FURNACE
A93040
Page
-1-
Cancels: II 340M-40-10
Application ..............................................................................34
Heating Mode...............................................................................35
Cooling Mode...............................................................................35
Heat Pump Mode ....................................................................35-36
Component Test ...........................................................................36
General ....................................................................................36
Purge Gas Lines......................................................................36
Adjustments .......................................................................36-44
CHECKLIST ................................................................................45
As an ENERGY STAR®
Partner, Bryant Heating &
Cooling Systems Com-
pany has determined that
REGISTERED QUALITY SYSTEM
this product meets the EN-
ERGY STAR® guidelines
for energy efficiency.
SAFETY CONSIDERATIONS
CAUTION: Application of this furnace should be in-
doors with special attention given to vent sizing and
material, gas input rate, air temperature rise, unit leveling,
and unit sizing. Improper installation or misapplication of
furnace can require excessive servicing or cause prema-
ture component failure.
340MAV
Series J
II 340M-40-11
10-03
ama
CERTIFIED