Installation Manual and Owner’s Guide WHO-321064-NG, WHO-321064-LP
ECOHOT
TM
26 of 27
Figure 5: Wiring Diagram
R
em
ot
e
Con
troll
e
r
Flame
Pi
n
Ga
s Va
lve
s
(M
ain
)
(3B)
(
4
B)
(
1
2
B)
Blue White Yellow Red
Fan( 36
V
DC
)
Blue
White
Brown
Red
AC11
0V
Tra
nsf
or
m
e
r
Power
Co
rd
Ignition(
AC
11
0V
)
Black
X0
X2
X1
N
Y1
Y0
AC
36
V
Y3
Y2
Y4
Y5
Wind Pres
su
re
S
W
Water Flow
Se
n
so
r
Wate
r
Prop
or
ti
o
n
a
l
Va
lve
Inlet
Tem
p
(1
0
K)
Ou
tl
et
Tem
p
(1
0
K)
Red
White
The
rm
ost
a
t
(Hi-Lim
it
)
Ga
s
P
ro
po
rt
io
n
a
l
Va
lve
L
Gr
ound
