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HIdRos LHA P4U Series User Manual

HIdRos LHA P4U Series
84 pages
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TECHNICAL MANUAL
4 PIPE SYSTEMS HIGH EFFICIENCY AIR TO WATER HEAT PUMPS
LHA P4U/P4S
SERIES
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HIdRos LHA P4U Series Specifications

General IconGeneral
RefrigerantR410A
Max. Water Temperature55°C
TypeAir to Water Heat Pump
Heating Capacity4.0 - 16.0 kW
Power Supply220-240V, 50Hz
COP (Heating)4.0
Noise Level50 dB(A)

Summary

1. INTRODUCTION

1.1 Preliminary information

General information about the manual, its purpose, and reproduction policy.

1.5 How to use this manual

Highlights the importance of consulting the manual before any operation for safety.

1.6 Potential Risks

Details potential risks associated with unit components and methods of injury.

1.10 Unit identification

Explains the purpose of the rating plate and where to find unit identification details.

2. SAFETY

2.1 Warning re potentially hazardous toxic substances

Identifies refrigerant type, lubricant, and main ecological information regarding refrigerants.

2.2 Refrigerant handling

Provides warnings and guidelines for handling refrigerants safely to prevent damage or injury.

2.6 First Aid Measures

Provides first aid procedures for exposure to refrigerants, including inhalation and contact.

3. TECHNICAL CHARACTERISTICS

3.1 Unit description

Describes the high efficiency air/water heat pump series and its core capabilities.

3.4 Technical data

Presents performance data, energy efficiency, and sound levels for various models.

3.5 Operation limits

Shows graphical representations of operating limits based on ambient and water temperatures.

3.9 Sound data

Tabulated sound power and pressure levels for various unit models and octave bands.

4. INSTALLATION

4.1 General safety guidelines and use of symbols

Emphasizes safety precautions and the use of warning symbols during installation.

4.3 Personal protective equipment

Lists essential PPE like footwear, eye protection, gloves, and respiratory gear.

4.8 Location and minimum technical clearances

Specifies installation site requirements and minimum clearances for air and maintenance.

4.20 Electric connections: preliminary safety information

Crucial safety warnings and guidelines for electrical connections.

4.25 Refrigerant circuit layout

Provides schematic diagrams of the refrigerant circuit for P4S and P4U versions.

5. UNIT START UP

5.1 Preliminary checks

Lists essential checks before starting the unit to prevent damage and ensure correct operation.

5.1.1 Before start-up

Details critical checks and pre-heating requirements before initial unit operation.

6. USE

6.1 Switch the unit on

Explains how to start the unit using the keyboard or remote ON/OFF input.

6.3 Set point

Details how to change set points for heating, cooling, and hot water modes.

6.7 SERVICE key

Accessing service menus and entering passwords for different security levels.

7. UNIT MAINTENANCE

7.1 General warnings

Outlines regulatory obligations and general safety precautions for maintenance.

7.3 Scheduled maintenance

Details periodic inspection and maintenance requirements based on regulations.

7.4 Periodical and start up checks

Lists essential checks performed by trained personnel before and during service.

8. DECOMMISSIONING

8.1 Disconnect the unit

Procedures for safely disconnecting the unit by authorized personnel.

8.2 Disposal, recovery and recycling

Guidelines for dismantling, sorting, and disposing of unit components responsibly.

9. DIAGNOSIS & TROUBLESHOOTING

9.1 Fault finding

Provides a table of unit alarms, their causes, and recommended solutions.

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