Process Technology LUFRAN Instruction page 60

Remote Interface (Continued):
Pin Signal
Number
System
7,9
Operating
System @
10,11
Setpoint
System
10,12
Fault
M-43-01
Revision - Date: 08 – 04/06/15
Signal type
This output will apply closed contacts
across these pins when the SSRs are
firing, and heat is generated.
Open
operation has stopped due to any one of
the following reasons:
Reduction in flow rate
Output,
Reduction in water pressure
Dry Contacts
The HEATER DIABLE button on the
command panel has been pressed
The HEATER OFF pushbutton on the
front of the unit has been pressed.
The EMO button has been pressed.
One of the alarms has been tripped.
This output will apply closed contacts
across these pins when the outlet
temperature is within the PROCESS +/-
Output, DEVIATION
SETPOINT.
Dry Contacts
Open
temperature is not within the PROCESS
+/- DEVIATION setting.
This output will apply open contacts
across these pins when any alarm
condition has been tripped.
Output, alarm condition has been corrected, the
unit will require a manual reset at the unit.
Dry Contacts
The unit can not be reset remotely.
Closed contacts indicate all of the safety
devices are in normal operating mode.
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Description
contacts indicate
from the
contacts indicate
Lufran Single Outlet Manual
the heater
PROCESS
the outlet
Once the