This document is an instruction manual for Haier air conditioners, mainly introducing the installation, use, and maintenance precautions of air conditioners. It also provides technical data and operating parameters of the air conditioner.
This manual provides safety warnings, installation preparation, and step‑by‑step instructions for mounting the indoor and outdoor units of the Haier KF-50LW/02RA1‑S2 air conditioner. It also covers wiring, refrigerant charging, and required tools.
Additional sections describe operation of the remote control, cleaning and maintenance procedures, troubleshooting tips, and warranty information. The guide is written in Chinese and includes tables of technical specifications and wiring diagrams.
| Cooling capacity | 5200 W |
|---|---|
| Heating capacity | 1600 W |
| Power supply | 220 V / 50 Hz |
| Maximum current | 7.5 A |
| Maximum cooling power (72 kW model) | 7200 W |
Open the battery compartment, insert two new R‑03 (7号) batteries of the same type, and close the cover. Replace when the display becomes dim.
In sleep mode the unit runs for a set period, then gradually adjusts the temperature by ±1 °C each hour to prevent over‑cooling or over‑heating while you rest.
The air conditioner must be connected to a grounded outlet; the ground wire must be separate from the neutral to prevent electric shock or fire.