Emerson VSG & VSSG, Software Manual

Page: 10 / 86

10
Shutdown due to
Operational
Failure
Delayed Lockout Timers
WARNING: FOR THE FOLLOWING SHUTDOWNS, A DELAYED RESTART MAY OCCUR:
High Discharge Pressure Failure
High Compressor Discharge Temp Failure
High Package Outlet Temp Failure
High Oil Injection Temp Failure
Is
Shutdown Value
Below Reset
Value?
1 min Delay
Have
There Been 3 Shutdowns of “Any
of the Above Failure Conditions”
in H2 Hours
Auto Restart if All Other Values
Are In Range
Lockout
Requires
Manual Restart
Has
It been *H1
Hours Since
Shutdown?
H1= Timer Set Between .5-6 Hours.
Default Value= .5 Hours
H2= Timer Set Between 4-100 Hours.
Minimum and Default Value= 4 Hours
H2 must be equal to or greater than 4 x H1
Yes
Yes
No
No
Yes
No
Shutdown Due
to Power Failure
1 min Delay Have
There Been 3 Shutdowns
of This Same Condition
in H4 Hours
Auto Restart if All Other Values
Are In Range
Lockout
Requires
Manual Restart
Has
It been *H3
Hours Since
Shutdown?
H3= Timer Set Between .5-6 Hours.
Default Value= .5 Hours
H4= Timer Set Between 4-100 Hours.
Minimum and Default Value= 4 Hours
H4 must be equal to or greater than 4 x H3
Yes Yes
No
Yes
Yes
No
Power Re-
establishing
WARNING: INCASE OF A POWER FAILURE A DELAYED RESTART MAY OCCUR:
Was Compressor
Running During Power
Failure?
No
No