User Manuals: Taco VR25M ECM High-Efficiency Circulator

Manuals and User Guides for Taco VR25M ECM High-Efficiency Circulator. We have 1 Taco VR25M ECM High-Efficiency Circulator manual available for free PDF download: Installation/Operation Instruction Manual

Taco VR25M Installation/Operation Instruction Manual

Taco VR25M Installation/Operation Instruction Manual (56 pages)

ECM High-Efficiency Circulators

Brand: Taco | Category: Water System | Size: 5 MB

Table of Contents

Table of Contents
2
1 Symbols & Conventions Used in this Document

3
- Abbreviations and Conventions
  3
2 Introduction

3
- Section 1 - Installation and Operation
  4
3 General Uses

4
4 Safety

4
5 Pump Description

5
6 Use

5
7 Pumped Fluids

5
8 Pump Installation

5
- Motor Rotation Procedure
  6
- After Installation into Piping
  7
9 Electrical Connections

8
10 Setup and Operation

9
- Control Panel Layout
  9
- Switching the Pump on and off
  9
- Pump Functions
  9
- Operation and Mode Selection
  10
- Mode Description
  10
- Restoring Factory Settings
  11
- Minimum Speed Adjustment
  11
- Parallel Pumping
  12
- Application
  13
11 Specifications

14
12 Features

16
- Specifications
  16
- Bacnet Specifications • 12.2
  17
- Modbus Specifications • 12.3
  17
- Ethernet Specifications • 12.4
  17
- Mode Selection Switch
  17
- Analogue Signals
  18
- Relay Specifications • 12.6
  18
- 13 Controller Layout
  
  18
  - Connection Considerations
    19
  - Connection Examples
    19
- 14 Control Modes and Priorities
  
  20
  - Priority of Settings
    20
  - Control Variables
    21
  - Module Mode Selection
    22
  - Mode 1
    23
  - Mode 2
    27
  - Mode 3 & 4
    28
- 15 Relay Output
  
  31
- 16 Network
  
  31
- 17 Bacnet
  
  39
  - Bacnet MS/TP Communication
    39
  - Data Link LAYER Option
    39
  - Device Address Binding
    40
  - Network Options
    40
  - Network Security Options
    40
  - Character Sets Supported
    40
  - Supported Bacnet Interoperability
    40
  - Analog Inputs
    41
  - Analog Outputs
    41
  - Binary Inputs
    42
  - Binary Outputs
    42
18 Modbus

43
- Modbus Related Interface
  43
- Modbus Topology
  43
- Connection to Modbus
  44
- 19 Fault Finding
  
  51
  - Error Codes
    51
Performance Curves

53
Hydronic Institute Energy Ratings

55
Limited Warranty Statement

56

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