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Prozeda Primos 250 SR - User Manual

Prozeda Primos 250 SR
52 pages
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Controller unit for solar thermal systems
primos 250 SR
Installation and operating instructions
English version of original German installation and operating instructions
Version: 1.2
July 2016

Table of Contents

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Summary

Safety and Precautions

Proper Use

Defines the intended and appropriate applications for the controller, including environmental and usage constraints.

Basic Safety Information

Covers fundamental safety practices, including explosion risk prevention, for operating the controller.

Safety Precautions

Details precautions against electric shock, fire, burns, and property damage during controller installation and operation.

Controller Overview and Components

Overview

Provides a visual overview of the controller's components, including interfaces, display, and buttons.

Controller Installation and Mounting

Installation Location Requirements

Specifies the necessary conditions and requirements for selecting a suitable installation location for the controller.

Removing Terminal Cover

Step-by-step guide on how to safely remove the controller's terminal cover using the locking screw.

Fastening the Controller

Instructions for securely mounting the controller, including cable routing considerations and proper screw tightening.

Controller Wiring and Connections

Connecting Cables

Details the procedure for connecting various cables to the controller, emphasizing safety and proper disconnection from voltage.

Connection Terminals and Cable Management

Illustrates controller terminals and describes their functions, including cable entry points and securing methods.

Power Supply and Sensor Connections

Guides on connecting the controller to the power supply and temperature sensors, including cable specifications and safety notes.

Terminal Assignment to System Components

Details the specific terminal assignments for various system components, like sensors and pumps, in hydraulic layouts.

Hydraulic Layout 110.00 Terminal Assignment

Maps terminals to system components for a specific hydraulic layout (110.00), including pump and sensor connections.

Hydraulic Layout 000.00 Terminal Assignment

Outlines terminal assignments for layout 000.00, specifying multi-function controller usage for outputs like R1 and R0.

Operating the Controller Interface

Display Elements Overview

Introduces the controller's display elements and the main menu structure, including Info, Program, Manual, and Basic settings menus.

Display Screen Elements

Explains individual symbols and elements on the controller's display screen, such as active menu, values, and status indicators.

Operating Buttons Functions

Details the functions of each operating button for navigating menus and changing values, including menu navigation steps.

Navigating and Changing Menu Values

Displaying Values in Info Menu

Describes how to display measurement and output values within the "Info" menu, noting that not all values may be displayed.

Info Menu Value Table

Lists specific measurement and output values available in the "Info" menu, along with their symbols and reset options.

Program Menu: Value Adjustment

Explains how to display and change parameters in the "Program" menu, with warnings about incorrect settings.

Program Menu Parameters

Details various parameters within the "Program" menu, including storage tank settings, pump control, and time windows.

Program Menu Further Parameters

Lists remaining "Program" menu parameters, such as time windows for specific functions and data logging settings.

Manual Mode Operations

Controlling Switching Outputs

Describes how to manually control switching outputs (R1, HE1, R0) for testing purposes in "Manual mode".

Basic Settings Configuration

Overview of Basic Settings

Introduces the "Basic settings" menu for configuring fundamental controller parameters, with warnings for specialist personnel.

Basic Settings Menu Parameters (Part 1)

Details "Basic settings" parameters like hydraulic layout, charging principle, and collector protection functions.

Basic Settings Menu Parameters (Part 2)

Lists more "Basic settings" parameters including recooling, tube collector, energy output measurement, and anti-freeze protection functions.

Basic Settings Menu Parameters (Part 3)

Covers remaining "Basic settings" for MFC functions, pump types, parameter management, firmware updates, and controller ID.

Control Function Settings

Setting the Charging Principle

Explains how to set the charging principle for storage tanks, choosing between "Temperature difference" and "Target temperature".

Pump Control System Configuration

Details pump control system types (standard, HE pumps) and setting minimum/maximum pump output with speed control.

HE Pump Control Methods

Illustrates power curves for controlling HE pumps using analog signals and non-inverted PWM signals.

Tube Collector Function Settings

Guides on activating and configuring "Tube collector" functions, including time windows and pump runtime settings.

Multi-function Controller (MFC) Setup

Setting the Cooling Function

Explains how to configure the "Cooling" function for MFCs, including switch-on temperature and hysteresis.

Setting the Heating Function

Details the configuration for the "Heating" function of MFCs, covering switch-on temperature, hysteresis, and time windows.

Temperature Difference Controller Function

Describes setting the "Temperature difference controller" function for MFCs, including source/sink temperatures and differences.

Protective Function Settings

Collector Protection Function

Explains the "Collector protection" function to prevent overheating, detailing switch-on/off temperatures and pump operation.

Storage Tank and System Protection

Covers "Storage tank protection" against overheating and the always-active "System protection" function.

Recooling Function

Details the "Recooling" function, used to cool storage tanks during periods of low usage or high collector temperature.

Drain-Back Function

Explains the "Drain-back" function for protecting the system against overheating and frost, requiring a collection tank.

Anti-Freeze Protection Function

Describes the "Anti-freeze protection" function, activated when heat transfer fluid temperature drops, to prevent freezing.

Energy Output Measurement

Flow Indicator Measurement Principle

Explains the "Flow indicator" method for measuring flow rate to calculate energy output, noting the measurement value entry.

Energy Output Measurement Settings

Details settings for energy output measurement, including principle, flow rate, and glycol concentration in the "Basic settings" menu.

Factory Settings Restoration

Restoring Factory Settings

Provides instructions and warnings for restoring the controller to its original factory settings.

Controller Networking

Networking Capabilities

Explains how to connect the controller to other devices via the RS-485 interface for monitoring and remote control.

Troubleshooting Faults

Faults with Message Display

Explains how the controller indicates faults with a flashing symbol and acoustic warning, and how to silence the warning.

Fault Message Identification and Causes

Lists specific fault messages, their possible causes, and recommended actions, such as checking sensor lines or pump wiring.

Troubleshooting Without Fault Messages

Covers common faults that occur without explicit fault messages, like no display indication or pump failure, and their remedies.

Additional Troubleshooting Scenarios

Addresses further faults like pump symbol rotation without operation and fluctuating temperature displays, suggesting cable and shielding checks.

Technical Specifications

Controller Specifications

Details the technical specifications of the controller, including housing, dimensions, operating voltage, interfaces, and protection class.

Sensor Resistance Table

Temperature Sensor Resistance Chart

Provides a table correlating temperature values with resistance in ohms for checking temperature sensor functionality.

Available Accessories

Controller and System Accessories

Lists optional accessories like microSD cards, software, web modules, and system-specific components like temperature sensors.

Controller Disposal

Environmentally Friendly Disposal

Provides guidance on environmentally-friendly disposal of the controller and its components according to regulations.

Prozeda Primos 250 SR Specifications

General IconGeneral
BrandProzeda
ModelPrimos 250 SR
CategoryController
LanguageEnglish

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