APPENDIX H
H-1
142
205
362
365
364
361
{
BLOWER PROOF SW.
142
WATER LEVEL PROBE
IGNITOR
351
321
FLAME ROD
GND
352
SWITCH
POSITION
IGNITION
SWITCH
POSITION
PURGE
BLK
WHT
YEL
BLU
GRN
RED
360
358
359
FROM 6 PIN
FROM I/O BOX
}
CONNECTOR
BLOCKED AIR INLET SW.
CLOSURE SWITCH
PROOF OF
LOW GAS PRESS. SW.
HIGH GAS PRESS. SW.
SAFETY
SHUTOFF VALVE
