PowerHalt is a registered trademark of Pacbrake Co.
12
PH2 - AUTO MANUAL / ELECTRIC WITH PULL CABLE(S)
L6372
TEST MODE
The test mode ensures that the system’s automatic function is working as intended.
1.
Hold the SET and TEST buttons simultaneously until both lights begin to fl ash (approximately 5 seconds), then
release both buttons.
2.
Press then release the TEST button on the controller, the green light will start fl ashing rapidly and the red light will
turn off.
3.
Raise the engine speed to HALF of the emergency engine shut-off speed.
4.
The emergency shut-off valve will actuate to shut down the engine.
5.
The green light will continue fl ashing and the red light will illuminate for 5 seconds before returning to Programmed
State.
NOTE: If the valve activated but the engine failed to shut down, check for leaks in the piping and consult a
PowerHalt representative.
ERASING THE EXISTING EMERGENCY ENGINE SHUTOFF SPEED
1.
Hold both SET and TEST buttons simultaneously until both lights begin to fl ash (approximately 5 seconds) before
releasing.
2.
Press and hold the SET button until the red and green lights begin fl ashing in an alternating order, indicating that
memory has been cleared.
3.
Repeat SETUP PROCEDURES to program a new emergency engine shut-off speed.
UNPROGRAMMED
STATE
SETTING EMERGENCY
ENGINE SHUT-OFF
SPEED
ERASING SAVED
EMERGENCY ENGINE
SHUT-OFF SPEED
PROGRAMMED STATE
TEST MODE
SYSTEM FUNCTION FLOW CHART
EXAMPLE:
SETUP RPM
PRESS "SET"
BUTTON
OVERSPEED MARGIN
EMERGENCY ENGINE SHUTOFF SPEED
(SETUP RPM) + (OVERSPEED MARGIN)
%
RPM
1800
1 time
10
1800 x 0.10 =
180
1800 + 180 =
1980
1800
2 times
20
1800 x 0.20 =
360
1800 + 360 =
2160
1800
3 times
30
1800 x 0.30 =
540
1800 + 540 =
2340
1800
4 times
100
1800 x 1.00 =
1800
1800 + 1800 =
3600
