22
3-90-233R24_11/13
Connection with a 2-wire hot air system
EXISTING BURNER / FAN SYSTEM
( GAS, OIL, ELECTRIC)
EXISTING B
URNER / F
AN SY
STEM
( GAS,
OIL,
ELECTRIC)
Existing T'sta
t
N
ew T'sta
t
120 V
A
C
FAN WIRING
EXISTING HEA
T C
ONTR
OL
WIRING
Neut
Hot
to fan c
on
tr
ol
to fan mot
or
input
120 V
A
C
N
eut
Retur
n
H
ot
G
C
R
24 V
A
C
120 V
A
C
WHITE R
OGERS # 90-113
HONE
Y
WELL # R8285A1048
J BO
X MOUNTED REL
AY
H
ot
N
eut
R
etur
n
N.O
. C
ONT
A
CT
Hot
Retur
n
ENL
AR
GED VIE
W
( b
y installer )
SPLICE
HIGH
V
OL
TA
GE ( OR
ANGE)
HIGH
V
OL
TA
GE ( N )
to circulator outlet
R1 REL
AY
R2 REL
AY
factory wiring
6
4
8
5
3
1
7
( b
y installer )
( b
y installer )
( b
y installer )
HIGH
V
OL
TA
GE ( L1 )
LO
W V
OL
TA
GE
24 V
A
C
C
OIL
( b
y installer )
N
ew T'sta
t W
ir
e
8
6
4
7
5
1
3
L
N
( b
y installer )
N
ew T'sta
t W
ir
e
Existing T'sta
t W
ir
e
thr
ough gr
ommet
INSIDE the C
ONTR
OL
fr
om the c
on
tr
ol
W
ith this wir
ing schema
tic
, the o
ver
hea
t
con
tr
ol will ener
giz
e the cir
cula
tor but
will p
o
w
er the fan on t
emp
er
atur
e r
ise
.
not the fan r
ela
y.
T
he e
xisting fan c
on
tr
ol
OVERHEA
T SAFET
Y Z
ONE
G
rainger#2X
C02
Omr
on L
Y2F 120V
G
rainger#2X
C01
Omr
on L
Y2F 24V
