Troubleshooting guide

APPENDIX H
H-7
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CONTROL BOX CONNECTORS
BLOWER PROOF SW.
OVER TEMPERATURE SWITCHES
IGNITOR
TRANSFORMER
WATER LEVEL PROBE
FLAME ROD
16-PIN CONNECTOR
19-PIN CONNECTOR
MANUAL RESET
STEPPING
MOTOR
PURGE
POSITION
IGNITION
POSITION
SWITCH
SWITCH
AIR/FUEL VALVE
BLK
YEL
WHT
53
5K
C
B
A 3
RED
GRN
BLU
2
10K
1
1819 17 16
141516 13
154
AUTO RESET
IGNITION
XFMR
24 VAC
206
FUSE
FUSE
191
141
136
137
209
L3
L2
L1
GND
200 203
314
315
POWER BOX
MOTOR
BLOWER
460VAC
3O
60 HZ
330
331
333
332
CONTROL TRANSFORMER
H2
316
H1
317
H4
460VAC
H3
X2
X1
4 AMPS
XF
FUSE
120 VAC
260
263
262
261
260
GND BLOCK
GND
321
TO CONTROL BOX
{
321
320
319
206
316
319
330
317
141
194 137
193
155 154
136 135
192
138
140 195
190
171
170172
169
168
167
166
165
164
163
162
161
SOLENOID
351
350
352
362 360
365
6 PIN CONNECTOR
TO TEMP. TRANSMITTER
TO TEMP. TRANSMITTER
TO VFD
L3 L2 L1
T1 T2 T4T3 T6T5
366
U W V
303
302
301
300
360
359
6 PIN CONNECTOR
FROM
358
}
FROM I/O BOX
VFD
201
2
0
2
2
0
4
2
0
3
2
0
9
2
0
8
1
9
0
1
9
1
1
9
2
1
9
3
1
9
4
1
9
5
2
0
9
2
0
7
2
0
8
2
0
1
2
0
0
2
0
2
2
0
4
3
1
5
3
1
4
142
142
PEPE
173
E
N
C
L
O
S
U
R
E
VFD
F
R
O
M
V
F
D
G
SSOV
G
CLOSURE SWITCH
PROOF OF
SSOV
NAT. GAS LOW
GAS PRESS. SW.
PROPANE HIGH GAS PRESS. SW.
4
0
8
PROPANE LOW
GAS PRESS. SW.
T
R
A
N
S
M
I
T
T
E
R
T
E
M
P
E
R
A
T
U
R
E
4
0
7
1
5
0
407
4
0
8
4
0
5
S
E
N
S
O
R
4
0
3
T
E
M
P
.
A
I
R
1
4
8
CLOSURE SWITCH
PROOF OF
GAS PRESS. SW.
NAT. GAS HIGH
2
0
2
2
0
3
2
0
1
SSOV
G
N
H
N
H
CNC
1
K
4
0
5
4
0
8
1
5
2
4
0
5
4
0
5
4
0
1
4
0
0
2
0
3
H
N
2
0
1
2
0
2
H
N
1
4
7
1
4
6
SSOV
G
4
0
2
4
0
5
4
0
2
4
0
4
4
0
3
4
0
7
4
0
8
S
E
N
S
O
R
T
E
M
P
.
S
H
E
L
L
7
7-PIN CONNECTOR
148
1
5
2
1
5
1
C
NC
1
K
4
0
4
150152
153 151 149
SELECTOR SWITCH
3 POSITION FUEL
4
1
0
}
4
0
9
4
0
1
4
1
0
1
4
5
146
147 145
1
5
1
1
5
3
98 7
9-PIN CONNECTOR
654231
133 134
564231
{
6
P
I
N
C
O
N
N
E
C
T
O
R
F
R
O
M
1
2
3
4
5
6
7
3
6
3
365
362
361
364
1
2
3
4
4
P
I
N
C
O
N
N
E
C
T
O
R
4
0
9
4
1
0
}
S
E
L
E
C
T
O
R
S
W
I
T
C
H
F
R
O
M
F
U
E
L
B3B2 B5B4 B6 B7
BLOCKED AIR INLET SW.
S
O
L
E
N
O
I
D
N
G
V
A
L
V
E
H
S
O
L
E
N
O
I
D
N
G
V
A
L
V
E
H
68027
A
TITLE
S
H
E
E
T
1
O
F
2
WIRING SCHEMATIC BMK 3.0 DF
460 VAC, 3 PHASE IRI
INTERNATIONAL INC.
159 PARIS AVE, NORTHVALE, N.J.
MAT'L SPEC.:
REVDWG. NO.:
F
U
S
E
B
L
O
C
K
1
5
A
M
P
1
5
A
M
P
1
5
A
M
P
L
1
L
2
L
3
2
6
1
2
6
2
2
6
3