NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRA
Y TERMINAL LETTERS ARE BRAND SPECIFIC
X
F
G
W1
4
W
B*
W2
RH
V
R
W1
A
Y2
O
BW
2
C
G
Y1
RC
RH
1-ST
AGE OR 2-ST
AGE, HEA
TING ONL
Y
(INCLUDING MILLIVOL
T
)
(2-WIRE HEA
T USE “RH” & “W1”)
Factor
y RH-RC Jumper Wire Installed
#1
2, 3, 4, 5 WIRES
C
HEA
T
ER
ST
A
G
E
1
ST
A
G
E
2
FA
N
SY
STEM 24V
TR
ANSFORMER
SYSTEM COMMON
FA
N WIRE
MA
Y NOT BE
PRESENT IN
ALL SYSTEMS
O
P
T
I
O
N
A
L
9
