Carrier 58MVP Service And Maintenance Instructions page 10

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
a. Leave 115-v power to furnace turned on.
b. Remove main furnace door.
c. Look into blower access panel sight glass for current LED
status code.
d. Remove blower access panel.
e. Turn setup switch SW1-1 to ON position. (See Fig. 13 or
18 for location.)
f. Manually close blower access panel door switch. Use a
piece of tape to hold switch closed.
Blower access panel door switch opens 115-v power to
furnace control. No component operation can occur unless
switch is closed. Caution must be taken when manually
closing this switch for service purposes. Failure to follow this
warning could result in personal injury or death.
→
g. The AMBER LED will flash the status codes in the order
of occurence. Record status codes until status code 11
flashes (1 short and 1 long).
→
h. After status code # flashes, the status codes will repeat until
setup switch SW1-1 is turned off.
COMMUNICATION CONTINUOUS FAN
CONNECTOR (CF) AIRFLOW
SETUP SWITCHES
(115-VAC 1.0 AMP MAX.)
PL1 – LOW VOLTAGE MAIN
HARNESS CONNECTOR
→ Fig. 13—Variable-Capacity Furnace Control
FUTURE
APPLICATIONS
EAC-1 TERMINAL
115-VAC (L1) LINE
VOLTAGE CONNECTIONS
Fig. 14—Freeze Protection
10
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
32°F MINIMUM INSTALLED
AMBIENT OR FREEZE
PROTECTION REQUIRED
FLASH
ONLY)
A02278
A93058