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Installer manual
(Translation of original
EN
instructions)
N420833A - Rev. 00 - 09/2022
3in1
5 - 7 - 9 - 12 - 15

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Summarization of Contents

General Information
About the Manual
Explains manual purpose, structure, symbols, and user/installer roles.
General Warnings
Provides overarching safety and operational warnings for all users.
Specific Warnings for R32
Details specific safety precautions related to R32 refrigerant.
Basic Rules of Security
Outlines fundamental safety rules for operation and handling.
Disposal
Instructions for proper product disposal and environmental considerations.
Product Presentation
Identification
How to identify the appliance using its rating plates.
Appliance Description
Details the features, specifications, and models of the 3in1 indoor units.
External Components
Identifies the external parts of the indoor unit with a diagram.
Internal Components
Details the internal components of the indoor unit with a diagram.
Compatible Accessories
Lists compatible accessories and their codes for the appliance.
Installation
Preparation and Handling
Warnings, reception, dimensions, handling, storage, and unpacking procedures.
Site Selection and Positioning
Criteria for installation site, minimum distances, and unit positioning.
Hydraulic Connections
Detailed instructions for making all hydraulic connections.
Refrigeration Connections
Procedures and warnings for connecting the refrigeration circuit.
Electric Connections
Guidance on making all electrical connections for the unit.
Putting It Into Service
Preliminary Warnings and Checks
Essential warnings and initial checks before starting the unit.
Water Quality and Powering Up
Procedures for water quality checks and powering up the unit.
Start-up and Adjustments
Procedures for unit start-up and parameter adjustments.
Plant Delivery and Shut-down
Explaining operation to user, long-term shutdown, and draining procedures.
Control Panel Operations
Information on the external unit control panel and address setting.
Maintenance
Preliminary Warnings and Annual Operations
Safety warnings and annual maintenance plan by qualified personnel.
Routine Maintenance Checks
Specific checks for hydraulic, electric, and mechanical circuits.
Filter Cleaning and External Cleaning
Steps for cleaning the net filter and external surfaces of the unit.
Troubleshooting
Preliminary Warnings and Normal Functions
Warnings and normal behaviors not to be interpreted as faults.
Control Panel Faults and Alarms
How faults are reported, alarm reset, and listed alarms.
Troubleshooting Table
A comprehensive table of alarms, causes, and solutions.
Configuration Accessories
Heater Kit
Information on the heater kit, its electrical connections, and failures.
Secondary Separator Kit
Details on the secondary separator kit with circulation pump PP3.
Buffer Vessel and Heated Towel Rail Kits
Information on buffer vessel and heated towel rail kits.
Solar Heating Kit
Information on the solar heating kit, its hydraulic connections, and unit connection.
Circulation Pumps Optional Kits
How to select operating modes for circulation pumps in optional kits.
Technical Information
Technical Data
Tables of heating, cooling, hydraulic, and refrigerant data.
Operating Limits
Graphs showing operating limits for domestic hot water, cooling, and heating.
Dimensions
Diagrams showing the physical dimensions of the indoor unit.
Pump Performance Graphs
Performance graphs for the PP1 circulation pump.

Table of Contents