
[
IX
Troubleshooting ]
- 334 -
HWE09130
GB
3. Leak spot: In the case of extension pipe for indoor unit (Heating season)
(1) Run all the indoor units in heating test run mode.
1) To run the indoor unit in test run mode, turn SW3-2 from ON to OFF when SW3-1 on the outdoor control board is ON.
2) Change the setting of the remote controller for all the indoor units to the heating mode.
3) Check that all the indoor units are performing a heating operation.
(2) Stop all the indoor units, and stop the compressor.
1) To stop all the indoor units and the compressors, turn SW3-2 from ON to OFF when SW3-1 on the outdoor control board is ON.
2) Check that all the indoor units are stopped.
(3) Close the ball valves (BV1 and BV2).
(4) Collect the refrigerant that remains inside the indoor unit. Do not discharge refrigerant into air into the atmosphere
when it is collected.
(5) Repair the leak.
(6) After repairing the leak, perform evacuation of the extension pipe
*1
for the indoor unit, and open the ball valves (BV1
and BV2) to adjust refrigerant.
4. Leak spot: In the case of outdoor unit (Heating season)
1) Collect the refrigerant in the entire system (outdoor unit, extended pipe and indoor unit).Do not discharge refrigerant into the
atmosphere when it is collected.
2) Repair the leak.
3) Repair the leak, and evacuate the air from the entire system
*1
. Then, calculate the proper amount of refrigerant to be added
(outdoor unit + extension pipe + indoor unit), and charge the system with that amount. Refer to Chapter VIII [4] 3. for the proper
amount of refrigerant charge.
*1. Refer to Chapter I [8] Vacuum Drying (Evacuation) for detailed procedure.
Содержание PURY-P120
Страница 1: ...Models PURY P72 P96 P120 P144T Y JMU A PURY P168 P192 P216 P240 P264 P288T Y SJMU A ...
Страница 11: ... 2 ...
Страница 25: ... 16 ...
Страница 36: ... II Restrictions 27 HWE09130 GB ...
Страница 50: ... II Restrictions 41 41 HWE09130 GB ...
Страница 67: ... 58 II Restrictions GB HWE09130 ...
Страница 69: ... 60 ...
Страница 94: ... III Outdoor Unit Components 85 HWE09130 GB 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...
Страница 95: ... 86 III Outdoor Unit Components GB HWE09130 ...
Страница 97: ... 88 ...
Страница 105: ... 96 IV Remote Controller GB HWE09130 ...
Страница 107: ... 98 ...
Страница 124: ... 115 HWE09130 GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 117 2 Principal Parts and Functions 126 ...
Страница 125: ... 116 ...
Страница 145: ... 136 ...
Страница 175: ... 166 VII Control GB HWE09130 ...
Страница 177: ... 168 ...
Страница 203: ... 194 ...
Страница 363: ... 354 IX Troubleshooting GB HWE09130 ...
Страница 364: ... 355 HWE09130 GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 357 ...
Страница 365: ... 356 ...