DOMUSA DUAL CLIMA 12HT Service Manual

Aerothermal heat pump
Table of Contents

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DUAL CLIMA HT
Aerothermal Heat Pump
EN| SERVICE MANUAL

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Table of Contents
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Summarization of Contents

Safety Warnings and Precautions
Installation and Handling Safety
Essential safety measures for installation, transport, storage, and personal protection.
Refrigerant and Freeze Protection Safety
Warnings for flammable refrigerant and critical freeze protection measures.
Technical Specifications and Component Details
Technical Characteristics Table
Comparative technical specifications for Dual Clima models.
Component Identification and Diagrams
Lists parts and provides circuit diagrams for all Dual Clima models.
Component Functionality Details
Details characteristics of key components like sensors, valves, pumps, and heat exchangers.
Operation, Control, and Parameters
Wiring Diagrams and Electronic Components
Explains nomenclature, wiring, and identifies main electronic components across models.
Start-Up Procedure and Maintenance
Covers initial start-up checks, maintenance, and operational procedures.
Control Logic and System Parameters
Explains operating modes, component logic, system (P), and status (C) parameters.
Troubleshooting and Error Management
Routine Maintenance Procedures
Outlines checks for overall, hydraulic, and exterior unit power systems during maintenance.
Probe and Sensor Error Diagnosis
Troubleshooting for errors related to temperature and pressure sensors.
System Fault Diagnosis and Solutions
Addresses errors like pressure, flow, communication, IPM, voltage, and current issues.
General Troubleshooting and Considerations
Guides for issues without error codes, HMI problems, performance curves, and refrigerant checks.

Table of Contents