AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 100)

HE-
111 − APPENDIX B
Rev B Mar 2013
B-4
1
0
3
1
0
4
1
1
0
1
1
1
1
1
2
1
1
4
1
0
6
1
0
4
1
0
9
S
O
L
E
N
O
ID
S
O
L
E
N
O
ID
F
E
E
D
B
A
C
K
(
T
C
-
)
O
V
E
R
-T
E
M
P
(
T
C
+
)
O
V
E
R
-T
E
M
P
(
T
C
-
)
A
C
T
U
A
T
O
R
(
4
–
2
0
m
A
)
A
C
T
U
A
T
O
R
(
+
2
4
V
D
C
)
A
C
T
U
A
T
O
R
(
C
O
M
)
F
E
E
D
B
A
C
K
(
T
C
+
)
WIRE NUMBERS
FUNCTIONS
TERMINAL BLOCK TB-1 (REAR WALL)
1
1
3
1
0
5
1
0
5
1
0
4
1
0
7
1
0
4
M
IX
E
D
I
N
L
E
T
(
T
C
+
/-
)
A
C
T
U
A
T
O
R
(
C
O
M
)
O
V
E
R
-T
E
M
P
(
+
2
4
V
D
C
)
O
V
E
R
-T
E
M
P
(
+
1
2
V
D
C
)
Figure B-2. Terminal Block TB-1 Connections
1
0
0
N
E
U
T
R
A
L
1
0
1
1
0
2
G
R
O
U
N
D
G
R
O
U
N
D
L
IN
E
TERMINAL BLOCK TB-2
(BOTTOM SURFACE )
Figure B-3. Terminal Block TB-2 Connections