Carrier 58MVP 170 Series - Furnace Control Board and Schematics; Variable Speed Furnace Control Layout; Wiring Schematics

APPENDIX A
BOARD LAYOUT AND WIRING SCHEMATICS
Fig. 2—Variable Speed Furnace Control
A02278
FLASH
UPGRADE
CONNECTOR
(FACTORY
ONLY)
ACRDJ – AIR
CONDITIONING
RELAY DISABLE
JUMPER
HUMIDIFIER
TERMINAL (24-VAC
0.5 AMP MAX.
CONTINUOUS FAN
(CF) AIRFLOW
SETUP SWITCHES
COMMUNICATION
CONNECTOR
AIR CONDITIONING
(A/C) AIRFLOW
SETUP SWITCHES
MODEL PLUG
CONNECTOR
SW1 SETUP
SWITCHES AND
BLOWER OFF-
DELAY
STATUS AND COMM
LED LIGHTS
3-AMP FUSE
TRANSFORMER 24-VAC
CONNECTIONS
PL3 – ECM BLOWER
HARNESS
CONNECTOR
PL1 – LOW VOLTAGE MAIN
HARNESS CONNECTOR
EAC-1 TERMINAL
(115-VAC 1.0 AMP MAX.)
115-VAC (L1) LINE
VOLTAGE CONNECTIONS
115-VAC (L2) NEUTRAL
CONNECTIONS
PL2 – HOT SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
24-V THERMOSTAT
TERMINALS
FUTURE
APPLICATIONS
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