Daikin RXS50J2V1B User Manual

SiBE041101 Troubleshooting
Service Diagnosis 98
4.14 Discharge Pipe Temperature Control
Remote
Controller
Display
F3
Method of
Malfunction
Detection
An error is determined with the temperature detected by the discharge pipe thermistor.
Malfunction
Decision
Conditions

If the temperature detected by the discharge pipe thermistor rises above A °C, the
compressor stops.

The error is cleared when the discharge pipe temperature has dropped below B °C.
<20/25/35 class>
<42 class>
<50 class>

If the error repeats, the system is shut down.

Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes

Defective discharge pipe thermistor
(Defective outdoor heat exchanger thermistor or outdoor temperature thermistor)

Defective electronic expansion valve or coil

Refrigerant shortage

Defective four way valve

Water mixed in refrigerant

Defective stop valve

Defective outdoor unit PCB
Stop temperatures
A (°C) B (°C)
(1) above 45 Hz (rising), above 40 Hz (dropping) 110 97
(2) 30 ~ 45 Hz (rising), 25 ~ 40 Hz (dropping) 105 92
(3) below 30 Hz (rising), below 25 Hz (dropping) 99 86
Stop temperatures
A (°C) B (°C)
(1) above 30Hz (rising), above 25Hz (dropping) 110 95
(2) below 30Hz (rising), below 25Hz (dropping) 108 93
A (°C) B (°C)
110 95

Daikin RXS50J2V1B Specifications

General

Outdoor unit weight	48000 g
Outdoor units quantity	1
Outdoor unit noise level	48 dB
Outdoor unit dimensions (WxDxH)	825 x 300 x 735 mm
Type	Air conditioner outdoor unit
Compressor type	Rotary
Thermostat range	- °C
Hose length (max)	20 m
Refrigerating medium	R410A
Cooling capacity (max)	- BTU/h
Air conditioner functions	cooling, heating
Cooling capacity in watts (max)	5000 W
Heating capacity in watts (max)	6000 W
Cooling energy efficiency (EER, W/W)	3.55
Heating energy efficiency (COP, W/W)	3.7
Cooling airflow (indoor unit)	2934 m³/h
Heating airflow (indoor unit)	2586 m³/h
Power requirements	220-240V, 50Hz
Annual energy consumption	705 kWh