Carrier 59MN7B Installation, Start-Up, Operating And Service And Maintenance Instructions page 38

COMMUNICATION
CONNECTOR
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
Fig. 36 - - Example of Modulating Furnace Control
To Humidifier Leads
To Humidifier Leads
Fig. 37 - - Field- -supplied Isolation Relay for Humidifiers with Internal Power Supply
CONTINUOUS FAN OUTDOOR
(CF) AIRFLOW AIR TEMP
SETUP SWITCHES CONNECTOR
PART NUMBER AND
DATE CODE WWYY
EAC-1 TERMINAL
SOFTWARE
(115-VAC 1.0 AMP MAX.)
VERSION
24 V
Coil
38
SW4 SETUP
SWITCHES
PL8 - MODULATING
GAS VALVE
CONNECTOR
TERMINAL (24-VAC
0.5 AMP MAX.
ACRDJ – AIR
CONDITIONING
RELAY DISABLE
CONNECTOR
PL3 – ECM BLOWER
CONNECTOR
PL2 – HOT SURFACE
IGNITER & INDUCER
115-VAC (L1) LINE
MOTOR CONNECTOR
VOLTAGE CONNECTIONS
To HUM Terminal On
Furnace Control Board
To Com/24V Screw Terminal
on Thermostat Strip
HUMIDIFIER
JUMPER
FLASH
UPGRADE
(FACTORY
ONLY)
HARNESS
A11616
A11157