Vehicle wiring installation – Kussmaul Electronics 091-9-12V-HP-VER User Manual
Page 5

COMPRESSOR OUTPUT IS 135 PSI MAXIMUM. DO
NOT EXCEED 135 PSI OR YOU WILL VOID WARRANTY.
1. Remove cover of the Pressure Switch on the Auto Pump.
2. Wire the pressure switch to the battery and a good chassis ground, use #14 AWG WIRE
MINIMUM.
3. Reinstall cover of Pressure Switch.
4. The compressor is calibrated to cut-in at 105 PSI and cut-out at 125 PSI . For higher cut-in
and cut-out, turn the range nut clockwise. To lower cut-in turn range nut counterclockwise.
Do not exceed 135 PSI
5. 091-9-12V-HP-VER AUTO PUMP can be wired to a positive or negative system vehicle.
6. Optional switch and fuse can be installed as shown (use 20 amp rated switch and 15 amp
(SLO-BLO fuse).
VEHICLE WIRING INSTALLATION
Pressure
Switch
make sure
the Auto Pump
is mounted
vertical.
Note:
RE
D
BL
AC
K
RED
+12
VOLTS
BLACK
-12 VOL
TS
Optional
Fuse
Optional
Switch
BAT
TER
Y
+
-
Range
Nut
CAUTION :
Observe Correct
polarity connections
red lead to motor
MUST be positive
15 AMP
CIRCUIT
BREAKER
15
THIS PUMP IS FOR
VERTICAL MOUNT ONLY