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General| Power consumption | 2.5 VA |
|---|---|
| Housing material | Plastic |
| Operating voltage | 24 V AC |
| Relative humidity | <95% r.H., non-condensing |
| Weight | 0.2 kg |
| Input voltage | 24 V AC |
Provides an overview of the Sauter heating controller and its capabilities.
Outlines essential safety precautions for operating the heating controller.
Identifies the main controls and indicators on the front panel of the EQJW 145.
Explains the functions of the top rotary switches for heating circuit operation.
Details the operation of the bottom rotary switch for DHW and pilot timer functions.
Describes the interaction methods using the input knob and ESC key.
Explains the various symbols and data shown on the controller's LC display.
Guide for initial setup, including setting the date and time for the controller.
Access and configuration of basic system settings by a specialist.
Procedures for accessing and modifying SERVice parameters for system adaptation.
Comprehensive list of configurable SERVice parameters, their ranges, and values.
Configuration of communication interfaces such as device bus and Modbus.
Details of parameters for configuring communication interfaces and protocols.
Detailed explanation of each communication parameter's function and settings.
Explanation of different operational modes: Manual, Back-up, Reduced, Normal, Automatic.
Describes the information shown on the display during automatic mode operation.
Details the display indicators for back-up, reduced, and normal operating modes.
Instructions for setting normal and reduced mode setpoint temperatures for heating.
Guide to programming weekly heating schedules with commands and modes.
Setting up date-specific programs for longer-term control adjustments.
How to implement a temporary, time-limited change to the heating circuit temperature.
Procedure for setting normal and boosted domestic hot water temperatures.
Programming weekly schedules for domestic hot water preparation.
Setting up weekly schedules for pilot timer or circulating pump functions.
Initiating a single tank heating cycle for domestic hot water.
Steps to enable manual control for heating and DHW outputs.
Manually adjusting valve positions and output states for pumps and configurable outputs.
How to view system parameters while operating in manual mode.
Guidelines for RS-485 bus wiring and the device bus for interconnecting devices.
Procedures for assigning unique bus addresses to connected devices.
Details on using Modbus RTU protocol for communication with a control station.
Lists and explains Modbus data points accessible via holding registers and coils.
Setup and use of a modem for Modbus communication or SMS fault messages.
Configuring the controller to send SMS alerts for installation faults.
Using PC software and a USB adapter for configuration and parameterization.
How to view fault messages, error lists, and device status codes.
Information on recording malfunctions, control offsets, and limit violations.
Procedures for resetting SERVice, communication, and switching command parameters.
Actions taken by the controller when temperature sensors fail or are faulty.
Overview of the EQJW 145's capabilities for weather-compensated control and hot water preparation.
Demonstrates typical applications and control models for various heating scenarios.
Detailed descriptions of the three available control models and their configurations.
Practical advice for optimizing energy consumption in heating and hot water systems.
Table showing resistance values of Ni1000 sensors at different temperatures.
Information on additional components available for the system.
Visual representation of electrical connections for the EQJW 145 and related modules.
Diagram showing the physical size and mounting details of the controller unit.
Summary of electrical, environmental, and performance specifications for the controller.
Description of key functions like room temperature connection, anti-frost, and flow limitation.
A table listing all SERVice parameters and their factory settings for easy reference.
A table detailing all communication parameters and their default values.
Template for programming weekly heating schedules, including day, time, and mode.
Template for setting up date-specific switching commands for heating.
Template for programming weekly schedules for domestic hot water preparation.
Template for programming weekly schedules for pilot timer or circulating pump functions.
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