HWH 680 Series Operator's Manual page 34

SCHEMATIC FOR WATER TRAP TO AIR COMPRESSOR
(WITH AUXILIARY SYSTEM PRESSURE SWITCH)
AUXILIARY SWITCH ( WITH +12V
CONTROL WIRE PROVIDED BY
VEHICLE MANUFACTURER )
+ 12 VOLT
WATER TRAP ASSEMBLY
PRESSURE SWITCH
+12 VOLT
NORMALLY
OPEN
SOLENOID
6230
9700
SEE ELECTRICAL CONNECTION
DIAGRAM 680 SERIES CONNECTIONS
AT CONTROL BOX POWER - WARNING
INDICATORS - AIR LEVELING -
HYDRAULIC MANIFOLD
ELECTRICAL CONNECTION DIAGRAM
110 VOLT
LINE
+12 VOLT
ACTIVATED
RELAY
+12 VOLT
12 - VOLT
GROUND
HOT
GROUND
NEUTRAL
110 VOLT
GROUND
110 VOLT - AIR
COMPRESSOR
MP85.484K
24JAN00