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(4) [rd] [... FF] will be displayed on the 7-segment display, and reclaim operation will start.
* To put the operation on hold midway, turn off the power supply to all the outdoor units, or push SW05 on
the interface P.C. board.
(5) Approx. 20 minutes after the system starts up , fully close the gas pipe service value of the troubled outdoor unit.
(6) Push SW05 on the interface board to finish the reclaim operation.
(7) Turn off the power supply to all the outdoor units , and recover the residual refrigerant in the outdoor unit
using a refrigerant re device. Be sure to measure the amount of recovered refrigerant. (This is necessary to
determine how much additional refrigerant will be needed after the completion of the repair.)
Header unit
(8)
Turn off the power supply to all the outdoor
units , and recover the residual refrigerant
in the outdoor unit using a refrigerant
recovery device. Be sure to measure
the amount of recovered refrigerant.
Push SW05 on the interface board
to finish the reclaim operation.
Approx 20 minutes after system startup
fully close gas pipe service value.
(4) Set SW01/02/03 to 2/11/1.
[rd] [... ... ...] is displayed.
↓
Push SW04 and hold for 5 seconds or more.
(5) [rd] [ FF] is displayed (reclaim operation starts).
Behavior during reclaim operation.
Outdoor unit
Troubled outdoor unit
Every other outdoor unit
This is the end of the refrigerant recovery operation.
Set SW01/02/03 of the troubled outdoor unit and the outdoor unit for pressure adjustment back to 1/1/1.
Failure outdoor unit
(7)
(6)
Behavior
Compressors: Turned off
Outdoor fan: On
PMV1, PMV2 ,PMV3 and
PMV4: Open
Operates in test cooling
operation mode
Connect liquid pipe check joint and low
pressure-side check joint using charge
hose, and purge hose of air
Interface P.C. board of troubled outdoor unit
CN30
CN31 CN32
D600
- 261 -
(1)
(2)
Fully close liquid pipe service value.
(Leave service valves of gas pipe fully open.)
SW04
SW05 SW06
D601
D602 D603 D604
SW01
SW02
SW03
1
1
1
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Table of Contents
Troubleshooting
