Taco Comfort Solutions 1900e Series Instruction Sheet

Ecm high-efficiency circulator

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Instruction Sheet
302-389
1911ecm
ECM High-Efficiency Circulator
SUPERSEDES: New
Effective: January 10, 2023
Plant ID No. 001-5022
1
900

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Summary of Contents for Taco Comfort Solutions 1900e Series

  • Page 1 Instruction Sheet 302-389 1911ecm ECM High-Efficiency Circulator SUPERSEDES: New Effective: January 10, 2023 Plant ID No. 001-5022...
  • Page 2: Table Of Contents

    Table of Contents Section 1 - Installation and Operation Section 2 - Controller Operation General Use ............3 Features ..............7 Safety ..............3 19. Specifications ............7 Pump Description ..........3 Controller Layout ........... 8 Features ..............3 Connection Considerations ........8 Use ................
  • Page 3: Section 1. Installation And Operation

    All 1900e series pumps equipped with a ductile iron casing are intended Warning: The addition of petroleum based fluids or certain for circulation of solid-free fluid in pressurized, hot and chilled hydronic chemical additives to systems using TACO equipment voids systems. All 1900e series pumps equipped with a stainless steel casing the warranty. are intended for DHW and potable water applications and are NSF Com- AVERTISSEMENT: L’ajout de liquides à...
  • Page 4: Pumped Fluids

    2" NPT Stainless Steel Flange Kit 1600-032SRP Treatment with silicates should not be used. Failure to maintain media quality will void the standard Taco warranty. PERMITTED AMBIENT AND MEDIA TEMPERATURE AVERTISSEMENT: La plupart des défaillances des garnitures Fluid Temperature Ambient mécaniques sont dues à...
  • Page 5: Control Panel Ui Rotation

    Check to make sure the impeller/shaft assembly will rotate. wrench to loosen and remove the 4 body bolts. If the impeller does not spin freely, contact Taco Technical Support b. Gently rock the motor and head assembly back and forth to at 1 (401) 942-8000.
  • Page 6: Setup And Operation

    f. Connect the black wire of the pump Long Press (10 seconds) – LOCKOUT to the “Hot/ Live” wire of the • Pressing and holding the [O] Set Mode Button for 10 seconds system. Typically black, or red activates or deactivates pump LOCKOUT. In LOCKOUT, the cur- wire if no black wire is present.
  • Page 7: Specifications

    16 - Standards, Protection and Connection 14 - Specification 14.1 - Application • Insulation: Class H (180 °C) • Maximum Operating Pressure: 175 PSI (12 bar) • Enclosure: Type 2 • Integrated Motor Protection (Electronically Protected) • Water Temperature Range: 36° – 230°F (2.2° – 110°C) •...
  • Page 8: Controller Layout

    20 - Controller Layout Terminal Designation Description Used to enable alarm output, Relay is closed during normal operation and open during alarm. RELAY OUTPUT Used to enable lag pump when in 2 pump operation. The primary pump relay is used to turn on/off the lag pump through the slave enable input.
  • Page 9: Connection Examples

    21.1 - Connection Examples DEFAULT (FACTORY) Configuration REMOTE START - Analog Control 1 REMOTE START - Analog Control 2 REMOTE START - Analog Control 3 - 9 -...
  • Page 10 2-PUMP OPERATION - Lead Pump To Enable Input of Lag Pump From 0 - 10VDC Output from Lag Pump 2-PUMP OPERATION - Lag Pump From Relay Output on Lead Pump To 0 - 10VDC Input on Lead Pump - 10 -...
  • Page 11: Fault Finding & Error Codes

    Analog Control Curve 0-10v Analog Control MAX. Function Voltage Voltage Pump at > 1 V < 3 V minimum speed. Pump is at = 0 V < 2 V 1/2 speed. Speed is proportional > 3 V 3 to 10 V to voltage regulation.
  • Page 12: Replacement Parts

    * Includes Gaskets (Casing and Flange) LIMITED WARRANTY STATEMENT Taco, Inc. will repair or replace without charge (at the company’s option) any are substantially similar in design and functionally equivalent to the commercial pump product or part which is proven defective under normal defective product or part.

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