Grant Aerona3 Series User Manual

Grant Aerona³
Air to Water High Efficiency
Heat Pump Range
Installation and Servicing Instructions
R32
IRL| DOC 0017| REV 00.00| FEBRUARY 2021

Grant Aerona3 Series Specifications

General

Brand	Grant
Model	Aerona3 Series
Category	Heat Pump
Language	English

Summary

2 TECHNICAL DATA

Technical Specifications

3 INSTALLATION INFORMATION

Installation Introduction and Design Criteria

General intro, design criteria, emitter sizing.

Regulations and Location Selection

Installation Preparation and Clearances

Base Requirements and Clearances

3.6 Installing the Heat Pump

System Connections and Insulation

Connecting the heating system, insulation, system connections.

3.10 Before you Commission

Flushing and Corrosion Protection

System flushing and protection steps.

Anti-freeze Function Setting

3.11 Completion and Checklist

Sealed System Procedures

Filling and Checking Sealed Systems

Procedure for filling and checking the system.

Legionella Protection and DHW Boost Kit

Legionella Protection Measures

Automatic DHW Boost Kit Installation

5.4.2 Setting the DHW Boost Kit

6 ELECTRICAL

Main PCB and Terminal Connections

Details on the main PCB and terminal connections.

Electrical Connections and Power

Terminal PCB Input/Output

Details on terminal PCB inputs and outputs.

Power Supply Requirements

Information on power supply connection.

6.4 Wiring first fix options

6.10 Wiring first fix options

6.11 SECOND FIX WIRING

7 DISPLAY PAD

Display Pad Installation Requirements

Requirements and steps for installing the display pad.

7.4 Connecting the display pad to the Heat Pump

7.5 Buttons

7.6 Display Panel

8 OPERATION

Heat Pump Operation Modes

Weather Compensation Control

Water Pump Management

Pump Operation and Detect Cycles

Pump Unblock and Output Adjustment

8.4 Frost Protection

Frost Protection Modes

Protection based on outdoor, flow water, or room air temperature.

8.5 ON/OFF DHW Production Remote Contact

8.6 ON/OFF Heating Remote Contact

8.7 Night Mode

8.8 Low Tariff

9 COMMISSIONING

System Setup and Time Setting

Initial setup and time configuration.

Parameter Access and DHW Control

Accessing Parameter Settings (User/Installer)

Procedures for accessing parameter menus.

DHW Temperature Control Setting

Commissioning Checks

Weather Compensation and Pump Settings

Frost Protection and Air Bleeding

10 SERVICING

General Servicing Checks

Visual checks, air inlets, condensate, system connections, controls, refrigerant.

11 FAULT FINDING

Error Code Display and History

Displaying, history, and resetting error codes.

Resetting Error Codes

Procedures for resetting error codes.

11.4 Error Codes Reference

11.5 Controller and Terminal PCB Alarms

11.6 Error Code Figures

17 GUARANTEE

Guarantee Terms and Conditions

APPENDIX A PARAMETERS LIST

APPENDIX B WIRING DIAGRAMS

APPENDIX C COMMISSIONING PARAMETERS RECORD