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FAC-2
NEUTRAL-L2
SEC-2 SEC-1
FUSE 3-AMP
STATUS
CODE
COMM
LEDS
RY/Y2W/W1COM
24Y
GDHUMY1W2
1
ABCD
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