®
035-14511-000 REV B (1299)
10
Unitary Products Group
FIGURE 9: TYPICAL FIELD WIRING: H*TS WITH SINGLE STAGE FURNACE
FIGURE 10: TYPICAL FIELD WIRING: H*TS WITH P*DU/P*DD/P*XU 2-STAGE FURNACE
G R D .
L U G
H 4 T S
O U T D O O R
U N I T
T Y P I C A L
T W O S T A G E
C O O L I N G
T H E R M O S T A T
M U S T B E U S E D
W I R E N U T
B R N
Y E L
B L K
O R G
R E D
W 1
G
W 2
C
R
Y
G
C
R
Y 2
Y 1
C
R
Y 2
Y 1
Y 2 O U T
W
X / L
P U R
X / L
1
1
C O N N E C T F O R T H E R M O S T A T W I T H F A U L T
L I G H T I N D I C A T O R O N L Y , C A P T H I S W I R E
I F N O T U S E D .
T H E R M O S T A T
D E H U M I D I S T A T
( O P T I O N A L )
2
T S C O N T R O L
C O O L T A P
S I N G L E
S T A G E
F U R N A C E
F U R N
M O T O R
S P D T 2 4 V A C C O I L ,
1 2 A M P A T 1 1 5 V R A T E D M I N .
P O W E R W I R I N G
2 0 8 / 2 3 0 - 1 - 6 0
C O N T A C T O R
M 1
T 1
L 1
L 2
T 2
P O W E R
C O N T R O L
F A C T O R Y
( C L A S S 2
W I R I N G )
( C L A S S 1
W I R I N G )
H I G H
L O W
2
D E H U M I D I S T A T M A K E S C I R C U I T
O N H U M I D I T Y R I S E
G R D .
L U G
P * D U , P * X U
2 - S T A G E
F U R N A C E
T Y P I C A L
T W O S T A G E
C O O L I N G
T H E R M O S T A T
M U S T B E
U S E D
W I R E N U T
B R N
Y E L
B L K
O R G
R E D
W 1
G
W 2
C
R
Y
G
W 2
C
R
Y 2
Y 1
C
R
Y 2
Y 1
Y 2 O U T
W 1
X / L
P U R
X / L
1
1
C O N N E C T F O R T H E R M O S T A T W I T H F A U L T
L I G H T I N D I C A T O R O N L Y , C A P T H I S W I R E
I F N O T U S E D .
T H E R M O S T A T
D E H U M I D I S T A T
( O P T I O N A L )
2
T S C O N T R O L
P O W E R W I R I N G
2 0 8 / 2 3 0 - 1 - 6 0
H 4 T S O U T D O O R U N I T
C O N T A C T O R
M 1
T 1
L 1
L 2
T 2
P O W E R
C O N T R O L
F A C T O R Y
( C L A S S 2 W I R I N G )
( C L A S S 1 W I R I N G )
2
D E H U M I D I S T A T M A K E S C I R C U I T
O N H U M I D I T Y R I S E