Danfoss ECL Comfort 310, P501 Installation Guide

General Information

This guide provides installation instructions for the Danfoss ECL Comfort 310 and P501 controllers. It includes various application examples and wiring diagrams.

Warning Symbol: ⚠️

Wiring Diagrams and Examples

The document contains numerous wiring diagrams illustrating different configurations for the ECL Comfort 310 and P501 controllers with various external components and systems. These examples cover a range of applications and are denoted by 'P501.x, ex. y:', where 'x' indicates the model and 'y' indicates the specific example.

Key components and connections shown in diagrams include:

• ECL 310 controller
• ECA 32/35 modules
• Sensors (S1-S12)
• Actuators/Valves (P1-P8, V1-V4)
• Pumps (M1-M3)
• Fuses (F1-F4)
• Relays (R1-R10)
• Terminals (A1, B5, B8, etc.)
• Power supply (230 V a.c.)
• Communication interfaces (USB, Internet, Modbus, M-bus)

Specific examples of configurations include:

• P501.1, ex. a: (Pages 1-2)
• P501.2, ex. a: (Pages 1-2)
• P501.11, ex. a: (Page 3)
• P501.12, ex. a: (Page 3)
• P501.12, ex. b: (Page 4)
• P501.12, ex. c: (Page 4)
• P501.12, ex. d: (Page 5)
• P501.12, ex. e: (Page 5)
• P501.12, ex. f: (Page 6)
• P501.13, ex. a: (Page 6)
• P501.13, ex. b: (Page 7)
• P501.13, ex. e: (Page 7)
• P501.13, ex. f: (Page 8)
• P501.13, ex. i1: (Page 8)

Electrical Connections and Terminals

Detailed terminal connections for ECL 310 (230 V a.c.) are provided, showing the mapping of internal components (Tr1-Tr6, R1-R6) to external connections. Similar diagrams are shown for other configurations.

ECL 310, 230 V a.c. Terminal Connections:

• Inputs: S1-S12, P1-P8, M1-M3, F1-F4, B5, B8, A1, etc.
• Outputs: Various analog and PWM outputs for control.
• Power: L, N, PE connections for 230 V a.c.

ECA 32/35 Module Connections:

• The document details how P501.1, P501.2, P501.11, P501.12, and P501.13 connect to ECA 32 and ECA 35 modules for various functions like PWM output, analog output, and Pt 1000 sensor input.

Safety Thermostat and Pt 1000 Sensor Information

Safety Thermostat:

• Instructions for 1-step and 2-step closing safety thermostats are provided, showing connections to ECL 210/310/311 controllers.

Pt 1000 Sensor:

• A table and diagram illustrate the use of Pt 1000 sensors with different P501 models and ECA modules.
• A temperature-resistance chart for Pt 1000 sensors (IEC 751B) is included, showing resistance values from -50°C to 150°C.
• A graph illustrates the relationship between temperature (°C) and resistance (Ω) for Pt 1000 sensors.

Communication and Configuration

Modbus and M-bus:

• Wiring diagrams for Modbus and M-bus communication are shown for ECL 210/296/310/311 controllers.
• A table indicates which P501 models utilize F1, F2, F3, and F4 for M-bus communication.

Master/Slave Configuration:

• Diagrams illustrate master/slave configurations using ECA 30/31 modules and ECL 210/296/310 controllers.

Installation Steps

Visual aids demonstrate the installation process for the ECA 30 module, showing steps for mounting and connecting the device.

Further Information

For more details, visit www.danfoss.com.

YouTube resources are available for installation videos: Danfoss Heating YouTube Channel.