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rada DRV40 User Manual

rada DRV40
72 pages
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DRV40 Digital Recirculation Valve
Important! This Manual is the property of the customer and must be
retained with the product for maintenance and operational purposes.
Product Manual
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rada DRV40 Specifications

General IconGeneral
Brandrada
ModelDRV40
CategoryControl Unit
LanguageEnglish

Summary

Safety Warnings

Installation Guide

General Installation Requirements

Provides general instructions for installation by qualified personnel.

Plumbing Schematic

Recirculation Circuit Diagram and Key

Illustrates the plumbing layout and explains schematic symbols.

Commissioning Procedure

Operation - Temperature Adjustment

Using PC Software for Temperature Control

Explains how to adjust temperature via PC software and USB.

DRV Programming Software Interface

Temperature Monitoring and Setpoint Adjustment

Setting the Adjusted Setpoint

Input and set the adjusted setpoint temperature for the DRV40.

Setpoint Configuration Options

Max, Min, and Default Setpoint Settings

Adjust Max, Min, and Default setpoint values for the DRV40.

Thermal Disinfection Safety Warnings

Critical Process Hazards and Precautions

Critical warnings about high temperatures and process hazards.

Thermal Disinfection Supervisor Responsibilities

Disinfection Cycle Activation and Control

Triggering Disinfection and Emergency Stop

Activates disinfection via 'Trigger' and provides 'Abort' for emergency stop.

Disinfection Step by Step - 1 (Parameter Setup)

Disinfection Step by Step - 2 (Routine Cycle)

Device Options Configuration

Valve Calibration Procedure

Procedure for calibrating the valve after replacing parts.

Maintenance and Spare Parts

Disassembly Procedure

Safety Precautions and Initial Steps

Critical safety warnings and initial steps for disassembly.

DRV Unit Disassembly Guide

Provides detailed steps for disassembling the DRV40 unit.

Electronics Module Disassembly Steps

Accessing Module Components

Guides on removing the front cover and accessing internal parts.

Module Component Removal

Details the process of removing screws and components from the module.

Electronics Module Reassembly Steps

Cable Connection and PCB Securing

Guides on connecting cables and securing the PCB with screws.

DRV Unit Disassembly Steps

Initial Unit Disassembly and Casing Removal

Provides initial steps for disassembling the DRV unit and removing the casing.

DRV Unit Component Removal Steps

Valve Body Component Removal

Details removing components from the main valve body.

Securing Valve Body Parts

Guides on removing screws from the valve body.

DRV Unit Seal Replacement Steps

Seal Fitting Procedures

Details the correct fitting of seals for the DRV unit.

DRV Unit Cartridge Removal Steps

Cartridge Removal Assistance and Caution

Uses a hex screw to assist cartridge removal, with caution.

DRV Unit Reassembly Steps

Cartridge Refitting Procedure

Guides on refitting the cartridge and removing the assistance screw.

Valve Calibration Procedure

Calibration Warning and Confirmation

Displays a warning about calibration and prompts for confirmation.

Valve Calibration Process

Executing Calibration and Awaiting Reset

Proceeds with calibration and waits for the DRV40 to reset.

Fault Diagnosis Overview

DRV40 Display Errors List

Lists and explains specific error messages displayed by the DRV40.

Common Operational Faults

Addresses common problems and their potential causes.

DRV40 Display Error Details

Emergency Mode, PCB, Motor, and Thermistor Errors

Explains errors related to emergency mode, PCB, motor, and thermistor failures.

DRV40 Display Error Details Continued

Error Temp, Battery, Display, and Power Errors

Explains 'Error Temp', battery, display readability, and power errors.

Common Fault: Temperature Rise in Zero Demand

Troubleshooting Temperature Rise in Zero Demand

Common Fault: Outlet Temperature Fluctuations

Diagnosing Fluctuations and Mechanism Checks

Addresses fluctuating temperatures and suggests mechanism checks.

Common Fault: LCD Display Alerts

Common Fault: Blend Circuit Temperature Issues

Common Fault: Temperature Reading Discrepancies

Common Fault: Inability to Adjust Outlet Temperature

Troubleshooting Temperature Adjustment Issues

Common Fault: No Display or Control

Common Fault: LCD Display Readability Issues

Common Fault: High Pitched Noise from DRV40

Common Fault: Water Leaking from DRV40

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