28
NOT
E: All
wiring m
u
st be
done in accordance
with a
p
plicable state, lo
cal
and national c
o
des. Use
only c
o
ppe
r c
o
nductors
.
The 3
W
O
O
D
m
u
st
be
in
st
al
le
d wi
th
o
u
t
ch
angi
ng
t
h
e f
unct
ion o
f
th
e
co
nt
ro
ls
or re
wi
ri
n
g
t
h
e
o
ri
g
in
al
b
o
il
er.
A wi
ri
n
g
i
n
te
rc
on
ne
ction
is p
erm
itted
. Th
e electrical sy
ste
m
o
f
b
o
th
bo
ilers sh
all b
e
p
o
wered fro
m
a sing
le bran
ch circu
it
with
ou
t ex
cep
tio
n.
