(4) [rd] [… FF] will be displayed on the 7-segment display, and reclaim operation will start.
* To put the oper
ation on hold midway, turn off the power supply to all the outdoor units, or press 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) Press 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.)
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.
Header unit
(8)
Failure outdoor unit
Interface P.C. board of troubled outdoor unit
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.
(7)
Press SW05 on the interface
board to finish the reclaim
operation.
(4) Set SW01/02/03 to 2/11/1.
[rd] [... ... ...] is displayed.
↓
Press SW04 and hold for 5 seconds or more.
(5) [rd] [ FF] is displayed (reclaim operation starts).
Behavior during reclaim operation.
Outdoor unit Behavior
(6)
Approx. 20 minutes after system startup,
fully close gas pipe service value.
(1)
Connect liquid pipe check joint and low
pressure-side check joint using charge
hose, and purge hose of air
(2)
Fully close liquid pipe service value.
(Leave service valves of gas pipe
fully open.)
Troubled outdoor unit
Compressors: Turned off
Outdoor fan: On
PMV1, PMV2 ,PMV3 and
PMV4: Open
Every other outdoor unit
Operates in test cooling
operation mode
D600
SW01
1
D601
SW04CN30
D602 D603 D604
SW02
1
SW03
1
SW05 SW06CN31CN32
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