Parker PFM1 Series, Инструкция по установке и эксплуатации, Страница: 14 / 24

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Communication
Checking Methods after Setting
If Address SW is set to an already selected or used number, three LED lamps will light up. This function is
effective only for address switch positions in the 50s, 60s, 70s and 80s. The flow measurement signal is not
accessible during the setting and checking of communication parameters. Outputs other than communication
will remain the same value as the previous setting.
Ultrasonic flowmeter requires minimal daily maintenance.
Checking tube joints and connections
• Check for leakage around connection points
• Check for any loose nut
• Tighten the connection parts periodically. Connections may loosen over time
Checking the piping
• Check for leakage around connection points
• Check for any loose nut
Checking the cable connections
• Check cable nuts on flow detector to ensure they are tight
Checking the flow detector
• Visually inspect the flow detector for deposits, bubbles, or foreign materials in the detector body
Daily Checks