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Summary of Contents for Seametrics FT400 Series
- Page 1 FT400-Series FLOW COMPUTER inSTRUCTiOnS • FT415 • FT420 The Leader in Flow Meter Value...
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Page 2: Table Of Contents
TabLE OF COnTEnTS General information General Information, Features, Specifications ................Page 1 installation Wall Mount, Meter Mount, Panel Mount ..................Page 2 Connections, FT420 Option 98, -98 Relay Board Specifications ............. Page 3 Connection Diagrams FT415, FT420, FT420-65 ......................Page 4 FT420-98, FT420/EX Magmeter .................... -
Page 3: General Information
GEnERaL inFORMaTiOn The FT400-Series flow computers are microcontroller-based mechanical meters, or with a built-in 115 Vac/12-24 Vdc indicator/transmitters that display flow rate and total and dual power supply for magmeters. provide output signals. The FT415 is battery-powered and provides a scalable pulse output. The FT420 is powered Both the FT415 and the FT420 can be factory-mounted on by external DC voltage and has both pulse and 4-20 mA the meter (-M) or remotely wall mounted with the brackets... -
Page 4: Wall Mount, Meter Mount, Panel Mount
inSTaLLaTiOn Wall Mount. To mount an FT400-Series indicator to the Meter Mount wall, hold the unit in the desired position, mark the holes in the mounting feet, drill and mount with screws. With the Sensor Wires FT420W-65 option, first remove the front cover to gain ac- cess to the mounting screw holes. -
Page 5: Connections, Ft420 Option 98, -98 Relay Board Specifications
inSTaLLaTiOn Connections. To connect the FT400-Series flow computer Caution: If output is being used to to a flow sensor or an external device such as a chemical control an external device, such as a metering pump, follow the Standard Connections diagrams metering pump, do not connect the de- vice until programming is completed. -
Page 6: Connection Diagrams
COnnECTiOn DiaGRaMS FT415 Standard Connections Caution: Do not apply external power to the FT415. (Passes flow sensor pulse on to another control without scaling) Connections for FT420/3-Wire Mechanical Meter BASIC CONNECTIONS Electronic Metering Pump White Black 3-Wire Flow Sensor Current sinking Mechanical polarity-sensitive Meter... -
Page 7: Ft420-98, Ft420/Ex Magmeter
COnnECTiOn DiaGRaMS Connections for FT420-98 (Dual Relay Output Option) Electronic Metering Pumps Dry Contact Dry Contact White Black Flow Sensor Relay Board white wire wire 4-20 mA Device (Passes flow sensor pulse on to another control without scaling) Connections for FT420/EX Magmeter FT420 24 Vdc Power Sensor... -
Page 8: Ft420/Ex Magmeter/Dual Power Supply (-27 Option)
COnnECTiOn DiaGRaMS Connections for FT420/EX Magmeter/Dual Power Supply A dual power supply is required when a 4-20 mA output is needed. Caution 1: Important! Do not connect power to the power supply until all connections have been made and confirmed correct, and the cover has been put back into place. Caution 2: It is essential for safety and proper operation to use a ground connection for the 115 Vac power. -
Page 9: (Quick) Settings
Find it on the fitting 00001.000 (80-Series) or chart (100/200-Series) or on the SeaMetrics website. SET K P is the number of gallons per pulse desired on the scalable pulse output. (Example: P=1 is one pulse 0000010.0... -
Page 10: Settings
"locked" to prevent tampering. Please contact your Distributor for assistance.) The K-factor on any SeaMetrics flow sensor fitting or Set P/Flow alarm. At this screen you may select between in-line meter can be found on the model-serial label. -
Page 11: Resettable Totalizer; 4-20 Ma Output, Pulse Output, Ft415 Battery Change
(see Troubleshooting, back page). In the rare instance that the 4-20 signal fluctu- ates excessively (“paints”) it may need to be damped by additional averaging. Contact Seametrics for information on how to increase filtering. Page 9... - Page 12 S eaM et r i c s in c o r p o ra t e d • 1 9 02 6 72nd avenue So uth • Kent, Washington 98032 • US a ( P ) 2 5 3 .87 2 .0 28 4 • (F ) 2 5 3 .8 72.0285 • 1.800.975.8153 • ww w.seametrics.com...
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