Hydrogen Generator NM Series 2 User’s Manual
15
Diagnostic display
Item Description
Production Tot. Total production of hydrogen
Operating time (h) Total number of hours the unit has been in operation
Wat. quality (S)
Actual water conductivity
Int. Press.: Actual internal pressure of the unit
Cell voltage (V) Actual cell voltage
Cell current (A) Actual cell current
PS. temp. Actual temperature of the power supply
Cell voltage peak (V) The maximum cell voltage since last power up
PS. temp. peak The max. temp. of the power supply since last power up
Special functions
Item Description
Dryer status Shows the temperatures of the drying columns and the position of the
cycle
System test This offers several test functions see below
Important: this function will only work if the generator is in
standby
Internal leak test The outlet valve is closed, the pressure is set to the max. When the
pressure reaches the max., production is stopped and the pressure
drop is measured over 2 minutes. The pressure drop should be below
0.7 bars or 10 PSI
External leak test Works similar to the leak “ internal leak test” except the outlet valve is
open and the test pressure is equal to the set pressure
This function can be used to test the external gas lines
Flow test
This function sets the outlet valve to provide a certain flow
Adjustable from 0 to 100% of maximum flow.
Note: It will take approx. 2 minutes to get a stable flow!
Heater test This test checks if there is a reaction of the heaters when power is
applied.
Rinse flow test This test checks the amount of gas flow, for the dryer regeneration
Complete system test Combination of all tests above
Toggle Valve
Used to switch the valves manually ( for advanced diagnostics only)
Important : after exiting this window, the valves will return to the
status prior to entering this test
Hardware options not available for user (password protected)
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