FAC-2
NEUTRAL-L2
SEC-2 SEC-1
FUSE 3-AMP
ST
A
TUS
CODE
COMM
LEDS
R
Y/Y2
W/W1
COM
24Y
G
DHUM
Y1
W2
1
AB
C
D
PL7
1
ACRDJ
HUM
PL4
PL9
OAT
1
1
PL8
PL3
1
CARRIER PN
PL1
1
EAC-1
L1
PL2
VS HSI HI LO
1
1-AMPS 115VAC
OAT
Sensor
Fig. 5 — HK42FZ022 Furnace Board with
Outdoor Air Temperature Connection
A03230
© 2004 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231
—4—
Printed in U.S.A.
iinim01-0-1
Catalog No. 809-60014
