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Diagrams and labels identifying the various parts of the indoor unit.
Diagrams and labels identifying the various parts of the outdoor unit.
Detailed measurements and dimensions for the indoor unit of KFR-25, 28, 35 models.
Detailed measurements and dimensions for the KFR-50 outdoor unit.
Detailed measurements and dimensions for the indoor unit of KFR-55 models.
Detailed measurements and dimensions for the KFR-60 outdoor unit.
Overview of the remote controller's buttons, their labels, and functions.
Technical specifications and performance data for the KFR-50 model.
Technical specifications and performance data for the KFR-55 model.
Technical specifications and performance data for the KFR-60 model.
Specifies maximum allowed length and diameter for connecting pipes.
Indicates the maximum permissible height difference between units.
Details on when and how to replenish refrigerant based on pipe length.
Explanation of how the wireless remote controller interacts with the unit.
Details on the automatic temperature control mode and its operation.
Details on dehumidifying operation and temperature setting adjustments.
Control method and antifrosting protection for refrigerating mode.
Protection mechanism for the outdoor heat exchanger at high temperatures.
How the indoor fan speed is regulated in automatic mode.
Specifics of compressor and fan control during dehumidifying operation.
Measures to prevent cold air blow during heating operation.
Protection mechanism for the indoor heat exchanger at high temperatures.
Steps and conditions for initiating and terminating defrosting operation.
Diagram and explanation of four-way valve operation in different modes.
Procedure for starting and operating the unit in refrigerating mode.
Procedure for starting and operating the unit in dehumidifying mode.
Procedure for starting and operating the unit in heating mode.
How the indoor fan motor speed is controlled via feedback.
Mechanism for controlling the direction and angle of air supply.
How the air guide vane positions and operates automatically.
Measures to prevent condensation and how the swing function works.
Conditions that trigger automatic vane adjustment to prevent cold air.
Steps for setting automatic startup and shutdown times.
How to cancel previously set timer operations.
Combining automatic startup and stop functions for sequential operation.
How to start and operate the unit in emergency mode.
Procedure to manually initiate defrosting for maintenance purposes.
Shortcircuiting J1 to compress timed operations for maintenance.
Steps for reconditioning circuit boards to control multiple units separately.
Visual guide for determining indoor unit mounting location and clearances.
Visual guide for positioning and connecting the outdoor unit.
Shows how the connecting pipe can be routed from different sides.
List of all supplied accessories and their quantities for installation.
Criteria for choosing an optimal and safe location for the indoor unit.
Criteria for choosing an optimal and safe location for the outdoor unit.
Procedure for securely attaching the indoor unit's mounting plate to the wall.
Instructions for drilling holes in the wall for unit installation.
Requirements for power cords and connecting cables used for the unit.
Step-by-step guide for connecting electrical wires between units.
Critical safety precautions for electrical wiring to prevent hazards.
Guidelines for installing fitting pipes and managing the drain hose.
Steps for hoisting and mounting the indoor unit onto the plate.
Recommendations for optimal placement of the remote controller.
Procedure for connecting pipelines to the outdoor unit, including torque values.
Ensuring proper drainage for condensed water from the outdoor unit.
Methods for sealing wall penetrations and securing the pipeline.
How to connect the drain joint for proper water drainage.
Steps for releasing air from the system during installation.
Proper method for processing flared pipes to prevent gas leaks.
Detailed steps for charging the system with the correct amount of refrigerant.
Steps for conducting the initial test run of the air conditioner.
Safety guidelines and checks to perform before troubleshooting.
Step-by-step guide to diagnose and identify common unit malfunctions.
Table listing indoor unit error codes indicated by operation lamp flickers.
Table listing outdoor unit error codes indicated by LED indicators.
Meaning of the LED101 indicator on the outdoor unit's circuit board.
Testing resistance values for key components like thermistors and motors.
Procedure for testing transistors for short circuits using a multimeter.
Flowchart for inspecting the outdoor unit and identifying faulty components.
Diagnostic steps for heating system failures in the outdoor unit.
Procedure to check the indoor fan motor's condition and wiring.
Troubleshooting steps when the remote controller is not functional.
General| Brand | Hualing |
|---|---|
| Model | KFR-25G/J01 |
| Category | Air Conditioner |
| Language | English |
