PROGRAMMING MANUAL • PH5
- Mk II AIR INTAKE EMERGENCY SHUT-OFF VALVE
L6533
ECN 1-2408
L6533_Rev1
5
5.1
For On-Highway Vehicles with Variable Engine Speed
1.
Determine desired Trip Speed
•
Pacbrake recommends 30% above Rated Engine RPM
2.
Insert fuse into F1 in Mode Selection Box. Light will exhibit constant rapid flash interrupted by single pulse*
3.
Start engine and raise engine speed to Input Speed
–
half of desired trip speed
–
hold constant
4.
Push and release switch to shut down engine
†
and save Input Speed. Light will become solidly lit.
5.
When light extinguishes, push and release switch 4 times to set Trip Speed to double Input Speed
6.
Light will indicate programming has been saved correctly by flashing 4 times.
7.
Remove fuse from F1 in Mode Selection Box to exit Programming Mode. Document Trip Speed for future
reference.
Secondary Trip Speed (If applicable):
Provide power to Secondary Trip Speed Input and repeat above procedure to Program Secondary Trip Speed.
For use as an anti-theft device, it is recommended to set the Trip speed to idle RPM + 10%. In Step 5, press the
switch 1 time to set the Trip Speed to Input Speed +10%. Light will flash 1 time as confirmation in Step 6.
5.2
For Stationary Engines with Constant Operating Speed
1.
Determine desired Trip Speed
2.
Insert fuse into F1 in Mode Selection Box. Light will exhibit constant rapid flash interrupted by single pulse*
3.
Start engine and allow it to run at constant operating speed
4.
Push and release switch to shut down engine
†
and save Input Speed. Light will become solidly lit
5.
When light extinguishes, choose desired Overspeed Margin from below to set your Trip Speed:
•
Push & release switch 1 time
–
Operating Speed + 10%
•
Push & release switch 2 times
–
Operating Speed + 20%
•
Push & release switch 3 times
–
Operating Speed + 30%
6.
Light will indicate programming has been saved correctly by flashing the same number of times the switch was
pressed
7.
Remove fuse from F1 on Mode Selection Box to exit Programming Mode. Document Trip Speed for future
reference.
Secondary Trip Speed (If applicable):
Provide power to Secondary Trip Speed Input and repeat above procedure to program Secondary Trip Speed
NOTE
: Table below demonstrates a simple example of programming your system.
Input Speed
Switch
Presses
Overspeed Margin
Trip Speed
Margin
RPM
1000
1
+ 10%
+ 100
1100
1000
2
+ 20%
+ 200
1200
1000
3
+ 30%
+ 300
1300
1000
4
Double
+ 1000
2000
*Li
ght will exhibit ‘double pulse’ if Secondary Trip Speed is active
†
Automatic overspeed protection is disabled during Programming Mode therefore engine shut down is forced on switch push as precautionary measure to
guard against possible emergency situation.
