Troubleshooting guide

APPENDIX H
H-5
142
359
360
358
FROM I/O BOX
FROM
6 PIN CONNECTOR
}
362
365
364
361
{
BLOWER PROOF SW.
142
WATER LEVEL PROBE
IGNITOR
351
321
FLAME ROD
352
SWITCH
POSITION
IGNITION
SWITCH
POSITION
PURGE
BLK
WHT
YEL
BLU
GRN
RED
CLOSURE SWITCH
PROOF OF
GAS PRESS. SW.
GAS PRESS. SW.
SSOV
SSOV
PROOF OF
CLOSURE SWITCH
SSOV
SSOV
3 POSITION FUEL
SELECTOR SWITCH
PROPANE HIGH GAS PRESS. SW.
GAS PRESS. SW.
NAT. GAS LOW
PROPANE LOW
NAT. GAS HIGH
}
BLOCKED AIR INLET SW.