Bryant 987MA Installation, Start-Up, Operating And Service And Maintenance Instructions page 35

MODEL PLUG
CONNECTOR
SW1 SETUP
SWITCHES AND
BLOWER OFF-
DELAY
AIR CONDITIONING
(A/C) AIRFLOW
SETUP SWITCHES
24-V THERMOSTAT
TERMINALS
STATUS AND COMM
LED LIGHTS
3-AMP FUSE
TRANSFORMER 24-VAC
CONNECTIONS
115-VAC (L2) NEUTRAL
CONNECTIONS
PL1 – LOW VOLTAGE MAIN
HARNESS CONNECTOR
COMMUNICATION CONTINUOUS FAN
CONNECTOR (CF) AIRFLOW
SETUP SWITCHES
PART NUMBER AND
DATE CODE WWYY
SOFTWARE
(115-VAC 1.0 AMP MAX.)
VERSION
Fig. 34 - - Modulating Furnace Control
OUTDOOR
AIR TEMP
CONNECTOR
115-VAC (L1) LINE
EAC-1 TERMINAL
VOLTAGE CONNECTIONS
35
SW4 SETUP
SWITCHES
PL8 - MODULATING
GAS VALVE
CONNECTOR
HUMIDIFIER
TERMINAL (24-VAC
0.5 AMP MAX.
ACRDJ – AIR
CONDITIONING
RELAY DISABLE
JUMPER
UPGRADE
CONNECTOR
(FACTORY
PL3 – ECM BLOWER
HARNESS
CONNECTOR
PL2 – HOT SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
FLASH
ONLY)
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