Brand: DAIKIN
Category: Air Conditioning
Document Type: Installation Guide
Language: EN
Available Languages: EN , ES
Installation Guide for RZQ200MY1
Uploaded: Sept. 12, 2025, 4:22 a.m.
Warranty Information
Refer to separate warranty documentation for specific coverage details.
Installation Manual for DAIKIN Split System Air Conditioner (RZQ180MY1, RZQ200MY1)
This manual provides detailed instructions for the installation of DAIKIN RZQ180MY1 and RZQ200MY1 split system air conditioners. It covers essential sections including safety precautions, product specifications, installation location selection, electrical wiring, refrigerant piping connection, charging of refrigerant, and test run procedures. The manual emphasizes the importance of following safety warnings and cautions to prevent injury and property damage. It details the correct methods for piping, wiring, and system checks to ensure proper operation and longevity of the unit. A crucial aspect is the strict adherence to procedures for handling R410A refrigerant to maintain system integrity and safety. The manual also includes troubleshooting guidance for potential issues that may arise during or after installation.
This manual provides detailed instructions for the installation of DAIKIN RZQ180MY1 and RZQ200MY1 split system air conditioners. It covers essential sections including safety precautions, product specifications, installation location selection, electrical wiring, refrigerant piping connection, charging of refrigerant, and test run procedures. The manual emphasizes the importance of following safety warnings and cautions to prevent injury and property damage. It details the correct methods for piping, wiring, and system checks to ensure proper operation and longevity of the unit. A crucial aspect is the strict adherence to procedures for handling R410A refrigerant to maintain system integrity and safety. The manual also includes troubleshooting guidance for potential issues that may arise during or after installation.
Troubleshooting and error codes
| Malfunction code | Installation error | Solution |
|---|---|---|
| E3 | The outdoor unit stop valve is left closed | Open the gas side and liquid side stop valves. |
| F6 | The refrigerant is overcharged | Recalculate the piping length and refrigerant charge, and recover the excessive refrigerant with a refrigerant recovery device, to bring the refrigerant amount to a normal level. |
| E4 | The outdoor unit stop valve is left closed | Open the gas side and liquid side stop valves. |
| F3 | The refrigerant is insufficient | Check if the refrigerant has been charged. Recalculate the additional refrigerant charge based on the piping length and refill to the adequate amount. |
| 02 | The refrigerant is overcharged | Recalculate the piping length and refrigerant charge, and recover the excessive refrigerant with a refrigerant recovery device, to bring the refrigerant amount to a normal level. |
| 03 | The outdoor unit stop valve is left closed | Open the gas side and liquid side stop valves. |
| 04 | The refrigerant is insufficient | Check if the refrigerant has been charged. Recalculate the additional refrigerant charge based on the piping length and refill to the adequate amount. |
| UA | Undervoltage power supply | Check if the power voltage is normal while powering on. |
| UF | Not performing test run | Perform test run. |
| UH | No power is supplied to outdoor unit | Properly connect the power cord of the outdoor unit. |
| Not using dedicated indoor unit | Check if the indoor unit is special. If not, replace it. Only 1 indoor unit which forms a matched pair can be connected to this model. The indoor units able to be paired are listed below. 180 Class: FDYQN180LCV1 200 Class: FDYQN200LCV1 | |
| Multiple indoor units are connected. | ||
| The outdoor unit stop valve is left closed | Open the gas side and liquid side stop valves. | |
| Not properly connecting the designated indoor unit's piping and wiring to the outdoor unit. | Check if the designated indoor unit's piping and wiring have been properly connected to the outdoor unit. | |
| No wiring connected between units Wiring between units short-circuit | Properly connect the wiring between units to the terminal F1 F2 (TO IN/D UNIT) on the outdoor unit's terminal board. |