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Haier MRV 5-RC AS092MNERA User Manual

Haier MRV 5-RC AS092MNERA
243 pages
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MRV 5-RC Service Manual
SYJS-03-2019REV.A
Edition: 2019-03

Questions and Answers:

Haier MRV 5-RC AS092MNERA Specifications

General IconGeneral
CategoryHeat Pump
ModelMRV 5-RC AS092MNERA
Cooling Capacity9.2 kW
RefrigerantR410A
Power Supply220-240V, 50Hz

Summary

MRV 5-RC Service Manual

Part 1 . Outdoor Unit

1.2. Products lineup

Lists the available outdoor units with their respective models, capacities, and specifications.

2. Specification

5. Piping diagram

6. Wiring diagram

7. Capacity calculation due to capacity modification coefficient

8. Operation range

10. Installation

10.1. Safety

Outlines critical safety warnings and precautions to prevent accidents and ensure proper installation of the unit.

10.2. Installation instruction

Provides step-by-step guidance and checks required before and during the installation process.

10.3. Installation procedure

Pipe specification

Pipe installation

B. Leakage test

Outlines the procedure for conducting a leakage test on the refrigerant system using nitrogen.

C. Evacuation

Details the process for evacuating the refrigerant system to remove air and moisture before charging.

E. Additional refrigerant charging

10.4. Electric wiring and the application

Power line installation instructions

Provides detailed instructions and safety guidelines for connecting power lines to the unit and ensuring proper grounding.

Communication wiring figure (Wired)

11. Branch pipe dimension

2-pipe system

Details the dimensions for branch pipes used in 2-pipe systems, essential for proper installation.

Part 2 . One by one valve box

Warning

Attention

Prohibitions

Outlines actions and conditions to avoid to prevent accidents, such as using incorrect components or improper placement.

Selection of piping dimensions

Part 3 . One by four valve box

Do not install at such places

2. Preparation before installation

4. Refrigerant pipe Installation

Covers crucial aspects of refrigerant pipe installation, including insulation, connections, and material selection.

Part 4.

1. Outdoor PCB photo and dip switch setting

Shows a photo of the outdoor PCB and explains the dip switch settings for various functions.

Outdoor dip switch introduction

Outdoor unit digital tube display settings

2. Valve box PCB photo and dip switch setting

SW03 is used for valve box address setting

Details the use of SW03 dip switches for setting the valve box communication address.

One by four valve box PCB code

SW1 sets the communication address...

Explains how SW1, SW2, SW3, SW4 set communication addresses for indoor units connected to the valve box.

3. Control function

3.1 Compressor control

Details compressor operations like cycle start, number changes, start delay, and protection controls.

3.16 Automatic back-up operation

Outlines the system's automatic back-up operation in case of unit or compressor failure.

4. Failure code

5. Troubleshooting

6. Sensor resistance table

7. Smartlink

7.4 The installation requirement of Smartlink

Details the installation requirements for wireless communication systems, including connection methods, antenna placement, and repeater usage.

7.5 The debugging guidance of Smartlink

Provides a step-by-step guide for debugging the Smartlink wireless communication system, including ODU searching and error checking.

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