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KELCO T20 Installation & Programming Instructions

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Contents
  1. Table Of Contents
  2. Important Safety Instructions
  3. Overview
  4. Installing the T20
  5. Electrical
  6. Blackout or Brownout
  7. Cable Gland Assembly
  8. Circuit Diagrams
  9. The 12VDC T20 Timer
  10. T20 Controls and Terminals
  11. Remote Flow Switch Input
  12. Suitable Flow Switches
  13. Purging the T20
  14. Programming the T20 Timer
  15. Basic Operation
  16. T20 Table of Limitations
  17. Advanced Functions
  18. Batch Control
  19. Delayed Restarting
  20. Cyclic Running
  21. Anti-Cycling
  22. Burst Pipe Detector
  23. Program Lock
  24. Warranty
KELCO T20 Installation & Programming Instructions Manual pdf 9 page image
RelaysThe T20 timer houses 2 relays. The contacts of both relays are voltage free andare normally open. The relays are marked Relay 1 and Relay 2 on the terminalblock. Relay 1 is the primary relay and is used to control the pump motor. It hasan electrical rating of 30 Amps (resistive) at 240VAC. Relay 2 is a 16 Amp (resis-tive) 240VAC rated relay and is used for actuating an external alarm. The relaysbuilt into the T20 timer are not suitable for the direct control of DC motors.7Cable Gland Assembly
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This manual is suitable for:
T20
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