Page 20
Rev:
1.0
Heat Input - 250k-400k BTUH
Supersedes:
538024-01
Form No:
Model:
6)$.
Unit Heater;
6)4$
Separated Combustion Unit Heater
Voltage:
120/60/1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 1
A A
B B
C C
D D
E E
F F
6
GV
-
M
SP
A
R
K
CO
M
M
BL U
BL U
BL
U
PN
K
BRN
S1
0
4
S1
8
8
S4
7
7
S
195
9
S1
0
5
S1
8
11
GV
-
C
12
GV
-
H
2
S4
7
1
S
195
3
NO
COM
2
FA
N
1
-
N
5
F
A
N1
-
G
ND
8
FA
N
1
-
L
1
2
FA
N
2
-
N
5
F
A
N2
-
G
ND
8
FA
N
2
-
L
1
GR
N
-
Y
E
L
WH
T
BL
K
WH
T
GR
N
-
Y
E
L
BL
K
FL
A
M
E
S
EN
S
GR
Y
GN
D
G
N
D
-
G
r
ound
i
n
g
P
oi
nt
W2
L 1
G
W1
5
XF MR- COM
6
XF MR- 24VAC
3
XF MR- N
1
XF MR- L 1
HI
2
1
R
C
N
WH
T
-
R
E
D
4
CA
I
-
N
1
CA
I
-
L
1
WH
T
BL
K
BL K
WHT
BL U
YE L
CO
M
P
-
0
0
1
G
N
D
-
G
r
ound
i
n
g
P
oi
nt
4
GND- BOARD
GRN- YE L
BL K
WHT
GRN- YE L
WHT
WH
T
WH
T
GR
Y
WH
T
BRN
5 3 8 0 2 4 -0 2
1.
0
5 3 8 0 2 4 -0 2
I GN CT RL
A3
1
F I E L D PROVI DE D POWE R WI RI NG.
CONNE CT T O P366 AND GRE E N GROUND
S CRE W L OCAT E D I NS I DE UNI T .
L OW VOL T AGE T HE RMOS T AT CONNE CT I ONS
HE AT ( W2)
HE AT ( W1)
3
9
24V
A
C
-
I
N
P368
1
J 368
7
5
4
8
11
12
6
2
P364
P365
P3
6
3
L 1
P3
6
7
J3
6
7
1
3
5
6
R
24V COMMON ( C)
24V POWE R ( R)
BL OWE R ( G)
G
C
P
366
W2
W1
N
GND
F I E L D PROVI DE D
CL AS S I I
24VAC
T HE RMOS T AT WI RI NG
J
366
-O
U
T
24V
A
C
-
I
N
-O
U
T
-O
U
T
24V
A
C
-
I
N
F
A
C
R
U
N
TEST
P373
L 1
N
J3
6
3
4
1
GND WI RE
AT T ACHE D T O
XF MR MOUNT I NG
S CRE W
J 374
P374
4
HI GH VOL T AGE POWE R CONNE CT I ONS