Non-Resettable
Totalizer
Reset CRC Reset CRC
If the NVRAM CRC check fails (Error Code 36), the programmed settings values will
need to be verified and corrected before clearing the error. Call ONICON Customer
Service if you need assistance.
F1 F2 F3 F4
Press YES (F1) ONLY if you want to reset the CRC and generate a new CRC value.
Non-Resettable Totalizer Activation
Regulations in some geographic locations require that flow totalizers be non-resettable.
The F-5500 can conform to these regulations.
WARNING! Once the non-resettable totalizer (NRT) has been activated on an F-5500
flow meter, the change cannot be undone. The non-resettable totalizer is only
recommended for applications that require it.
After it has been enabled, your F-5500’s totalizer and elapsed time counters will be
non-resettable.
F1 F2 F3 F4
Press YES (F1) ONLY if you want to set the NRT.
F1 F2 F3 F4
If you are certain you want to activate the Non-resettable totalizer, select YES (F1).
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 • sales@onicon.com
F-5500 Thermal Mass Flow Meter Manual 06/17 - 2030 / 107023 Page 55
Model F-5500
OPERATION
Operation: Programming
SET NRT?
YES NO
RESET CRC?
YES NO
ARE YOU SURE?
YES NO
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