10
STEAM WIRING W/MM #67 MECHANICAL LWCO
NOTE:
Not all components listed are used in all control systems.
CO
M
P
O
N
E
N
T
CO
D
ING
TH
-1
T
h
e
rm
o
s
ta
t (
M
illi
vo
lt
)
MR
-P
S
M
a
n
u
a
l R
e
se
t P
re
s
su
re
S
w
it
ch
CI
R
C
ir
c
ul
a
tor
TH
-2
T
h
er
m
o
s
tat
(
2
4 V
o
lt
)
C
o
n
tr
ol
T
e
rm
in
a
l
EC
O
En
e
rg
y
C
u
t-
O
ff
TH
-3
T
h
er
m
o
s
tat
(
L
ine V
o
lt
ag
e)
1K
Re
la
y
Co
il
PS
C
Pi
lo
t Sa
fe
ty
C
o
il
TR
-1
T
ra
n
s
fo
rm
e
r (
120V
/2
4V
/40V
A
)
1K
1
Re
la
y
Co
nt
ac
ts
W
ir
e
C
onn
ec
ti
on
TR
-2
T
ra
n
s
fo
rm
e
r (
120V
/2
4V
/50V
A
)
1K
2
Re
la
y
Co
nt
ac
ts
LW
C
O
Lo
w W
a
te
r Cut
O
ff
LG
V
2
4
V
o
lt
G
a
s
V
a
lv
e
LS
Li
m
it
S
w
it
c
h
EW
F
El
e
c
tr
ic
W
a
te
r F
e
e
d
e
r
PS
Pr
e
s
s
u
re
Sw
it
c
h
MS
M
a
n
ual
S
w
it
c
h
PG
P
o
w
e
r G
e
ner
a
tor
W
IRI
NG
CO
DE
Li
n
e
V
o
lt
a
ge B
y
F
a
c
tor
y
L
o
w
V
o
lt
ag
e B
y
F
a
c
tory
Li
n
e
V
o
lt
a
ge B
y
I
n
s
ta
ll
e
r
L
o
w
V
o
lt
ag
e B
y
I
n
s
tal
le
r
