PROGRAMMING MANUAL • PH3 Mk II AIR INTAKE EMERGENCY SHUT-OFF VALVE
L6493
ECN 1-2212
L6493_Rev1
4
5
Trip Speed Programming Procedure
Set-up is required for emergency shut-off system to function. Controller uses input engine speed and user defined
safety margin to program system trip speed.
Before Programming:
o
IF valve is synchronized with shut-off system on same engine:
Leave all controllers connected to ensure engine shuts down
o
IF valve is synchronized with shut-off system on secondary engine:
Disconnect secondary controller to prevent accidental shut-down of secondary engine
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 on 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 & 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 on fuse box and document Trip Speed for future reference
5.2
For Stationary Engines with Constant Operating Speed:
1.
Determine desired Trip Speed
2.
Insert fuse into F1 on 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 that the switch
was pressed
7.
Remove fuse from F1 on Mode Selection Box to exit Programming Mode. Document Trip Speed for future
reference
NOTE
: Table below demonstrates a simple example of programming set points for your system:
Input Speed
Switch Pushes
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
*Light 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.
Содержание POWERHALT PH3
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