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®
CHEM-PRO C2F/C3F
9.0
DFD (Diaphragm Failure Detection)
Chem-Pro® is equipped with a Diaphragm Failure Detection System which is designed to stop pump and provide
an output alarm in event diaphragm should rupture and chemical enters pump head. Pump will detect a chemical
with a conductivity reading greater than 500 microsiemens. Chemicals with a conductivity of less than 500
microsiemens will not be detected.
This system is capable of detecting presence of a large number of chemicals including Sodium Hypochlorite
(Chlorine), Hydrochloric (muriatic) Acid, Sodium Hydroxide, and many others. System will not be triggered by
water (rain, condensation, etc.) or lubricants.
If system has detected chemical, pump diaphragm must be replaced and pump head must be thoroughly cleaned.
Failure to clean pump head will void warranty.
If DFD alarm occurs, pump will stop, close an alarm output, and screen will flash DFD with an alarm icon.
Outlet
(discharge)
Pump
Head
Inlet
(suction)
DFD
DFD Sensors
Diaphragm
Page 15
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