Homa TP Series Manuel d'utilisateur Page 10

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TP Series
Installation, Operation & Maintenance Manual
Capacitor Sizing Chart
Model Volts Capacitor Part # Model Volts Capacitor Part #
TP28 115V 80µf @ 370V 8856080 TP49/24 115V 80µf @ 370V 8856080
TP28 230V 25µf @ 370V 8856025 TP49/24 230V 25µf @ 370V 8856025
TP30/16 115V 80µf @ 370V 8856080 TP50-53/16 115V 80µf @ 370V 8856080
TP30/16 230V 20µf @ 370V 8856020 TP50-53/16 230V 20µf @ 370V 8856020
TP30/24 115V 80µf @ 370V 8856080 TP50-53/24 115V 80µf @ 370V 8856080
TP30/24 230V 25µf @ 370V 8856025 TP50-53/24 230V 25µf @ 370V 8856025
TP50-53/38/2/1 40µf @ 370V Run Capacitor - 80µf @ 330V Start Capacitor PN#8857010
TP50-53/54/2/1 50µf @ 370V Run Capacitor - 150µf @ 330V Start Capacitor PN#8857015
TP70/24/1 40µf @ 370V Run Capacitor - 80µf @ 330V Start Capacitor PN#8857010
Note: See Three Phase Wiring Diagram for Seal Probe wiring
Single Phase Pump Start-Up Procedure
Run Capacitor sizing can vary depending on the incoming supply voltage provided. HOMA Single
Phase pumps are provided with Start and Run Capacitor(s) sized for 220-230V under load.
Frequently, the available line voltage is considerably different than indicated, and the Run capacitor(s)
may need to be resized to match the available field voltage. The following procedure will allow you to
verify proper operation of your single phase pump, and/or make necessary changes to your
capacitors to correct for your power supply.
After verifying wiring is in accordance with your pump requirements, start pump and record the
following readings from each of the (3) pump cable leads.
Current under load
:
U1 _________
Amps
,
>
U2 __________
Amps
,
>
Z2 __________
Amps
Should be (highest reading) (middle reading) (lowest reading)
Lead U1 (common) should have the highest current reading. Lead Z2 (start) should have the lowest
reading.
If Z2 current draw is greater than the current draw of either U1 or U2, a smaller size Run capacitor
(lower microfarad rating) is required to correct the condition. Example: If a 60 µf Run capacitor was
supplied, change to a 50 µf Run capacitor and check current readings. Typically, only one step down
in capacitor size is required, but in certain instances 2 steps may be required.
( ) The standard capacitor kit provided includes: ____________µf start capacitor
____________µf run capacitor
( ) Additional run capacitors have been included for use in tuning the pump to match available line
voltages for optimum performance.
___________µf run capacitor
___________µf run capacitor
___________µf run capacitor
This form is provided for your use in optimizing the performance and service life of your single phase
pumps, and is applicable to most Capacitor Start and Run motors. Please contact our Technical
Service Dept. @ (203)-736-8890 with any questions, additional information, or assistance
.
Pg. 10
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