9
wIRINg – mODEl 8466 & 8448 SINglE
TRANSfORmER (USE jUmpER wIRE)
fOR HEAT/COOl SYSTEm
INSTAllATION
1st HEA
TING
1st COOLING
FA
N
2nd HEA
TING
2nd COOLING
OUTDOOR TEMP SENSOR
NOT USED
NOT USED
JUMPER
TRANSFORMER
C
G
Y
W
R
L
S1 S2 O/B
W2 Y2
RC
wIRINg – mODEl 8466 & 8448 TwO
TRANSfORmERS (REmOVE jUmpER wIRE)
fOR HEAT/COOl SYSTEm
1st HEA
TING
1st COOLING
FA
N
2nd HEA
TING
2nd COOLING
OUTDOOR TEMP SENSOR
NOT USED
NOT USED
HEA
TING
TRANSFORMER
COOLING
TRANSFORMER
C
G
Y
W
R
L
S1 S2 O/B
W2 Y2
RC
61000652D 8400 Tstat Install.indd 9
7/9/13 9:03 AM