Haier AU112FYCRA(HW) User Manual

ATW Service Manual
SYJS-03-2019REV.A
Edition: 2019-03

Haier AU112FYCRA(HW) Specifications

General

Brand	Haier
Model	AU112FYCRA(HW)
Category	Heat Pump
Language	English

Summary

3. Product Features Overview

3.1 Monobloc Air-to-Water Heat Pump System

3.5 Energy Saving and High Reliability

4. Main Component Description

5. Technical Specifications

6. Unit Dimensions

7. Piping Diagrams

8. Component Details and Functions

9. Wiring Diagrams

10. Electric Characteristics

11. Capacity Tables

11.1 Cooling Capacity Data

Presents cooling capacity (kW) and EER values across different air and water temperatures.

11.2 Heating Capacity Data

Presents heating capacity (kW) and COP values across different air and water temperatures.

12. Operation Limits and Glycol Solutions

15. Installation Guide

15.1 Regulatory Compliance and Refrigerant Handling

15.2 Safety Precautions

Detailed safety warnings and instructions to prevent hazards during installation and operation.

15.3 Installation Procedures and Wiring

Step-by-step guidance on unit placement, mounting, piping, and electrical connections.

17. Dip Switch Settings

19. Startup, Running, and Maintenance

19.1 Preparing for First Start-up

Checks and procedures required before the initial operation of the heat pump.

19.2 Operating Characteristics Explained

Details control logic for cooling/heating modes, compressor, pump, fan speed, and alarms.

19.3 Routine Maintenance Procedures

Outlines regular inspection and cleaning tasks to ensure optimal performance and longevity.

19.4 Extraordinary Maintenance Tasks

20. YR-E27 Optional Wired Controller

20.3 Operation Modes and Settings Guide

Details how to navigate menus, adjust settings, and use special functions like ECO, QUIET, TURBO.

21. Error Code Reference

22. Troubleshooting Guide