Brand: DAIKIN
Category: Refrigeration Unit
Document Type: Manual
Language: EN
Manual for LRLEQ5AY1(E)
Uploaded: Sept. 12, 2025, 4:24 a.m.
Manual Publish Date: 2009-09-01T00:00:00Z
Warranty Information
Any secondary damage is not covered by the manufacturer's warranty.
Safety Precautions
Before performing design, construction, or maintenance, thoroughly read the "Safety Precautions" and also the "Installation Manual" and "Operation Manual" that come with this product.
WARNING
- To overhaul the equipment, be sure to turn OFF all power supplies.
- If a refrigerant gas belches during work, do not touch the refrigerant gas.
- To remove a welded part from the suction or discharge pipe of compressor, remove it in a well-ventilated area after thoroughly discharging a refrigerant gas.
- If a refrigerant gas leaks during work, ventilate the working area.
- The electrical parts of outdoor unit carry a high voltage.
CAUTION
- Do not start or stop the air conditioner using the POWER SUPPLY switch.
- Do not repair electrical parts with wet hand.
- Do not wash the air conditioner in water.
- Be sure to establish a ground for the equipment.
- To clean the equipment, be sure to set the POWER SUPPLY switch to "OFF" to turn OFF all power supplies.
- To dismount the equipment, pay careful attention not to tilt it.
- Check whether or not the refrigerating cycle part gets hot, and then repair the equipment.
- Use a welder in well-ventilated areas.
Troubleshooting and error codes
| Applicable parts | Compressors (M1C, M2C and M3C) Solenoid valves (STD1 and STD2) INV electronic expansion valve Four way valve High pressure switch |
|---|---|
| 2 compressors | Compressors (M1C, M2C and M3C) Solenoid valves (STD1 and STD2) INV electronic expansion valve Four way valve High pressure switch |
| 3 compressors | Compressors (M1C, M2C and M3C) Solenoid valves (STD1 and STD2) INV electronic expansion valve Four way valve High pressure switch |