49-5000400 Rev. 5
13
Wiring Diagrams
Table 1: terminals for three wires 1-stage heat / 1-stage
cool system.
Comp.
Relay
+12V
CO
MMS
GN
D
BK
4 DIP
Switches
OFF
ON
A/
C
ON
LY
HE
AT-P
UM
P
N/A
N/A
N/A
N/A
FURNAC
E
NO
FURNA
C
E
2.
3.
4.
5.
6.
Co
mp
.
Fan 3
Fan 1
Ne
ut
ra
l
Gr
o
u
n
d
Fan 2
/
HP RV
Neu
tral
Gro
u
n
d
5A
FUSE
WH
GR
1.
OR
YE
RD WH
BL
GR
L i n e
In
d
o
o
r Co
il
Fr
ee
ze
Sens
or
Heat-Pump
Only
Out
d
oor Ambien
t
Sens
or
0 V from Supply
black / white
+12V from Supply
red
Out
d
oor Coil
Sens
or
RV
-C
Ro
o
m
S
e
n
so
r
(R
A
R
ES
1A
)
RAREC_ _
DIP Switches
RV
-C
B
u
s
(12v
d
c O
p
Ɵ
onal)
RV
-C
B
u
s
(12v
d
c O
p
Ɵ
onal)
RV-C Control
Only (RAREC1A)
GH
Y
W
Ex
tr
a
GN
D
HP
GL
+12V
T.
St
at
S
ig
n
al
ye
llo
w
w
ire
0 V
t
o
T
.S
ta
t
b
lac
k/wh
it
e wir
e
1
2
3
4
5
6
7
8
Direct Wire Control
Only (RAREC2A)
Smart Wall Thermostat
(RARWT_ _)
Furnace
Relay
Auto Gen
Relay
Fan 3
Relay
Fan 1
Relay
Fan 2 /
HP RV
+1
2
V
t
o
T
.S
ta
t
re
d
/w
h
it
e
w
ire
RV-C Pin-Out
Only (RAREC1A)
RARWT_ _ DIP Switches
#1 select between Cool Only
and Heat-Pump
#2 is not used
#3 is not used
#4 used to disable Furnace
Mode selection.
This is for installs where a
furnace is not connected to
the RVAC control.
