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Field Setting from Outdoor Unit PCB
Setting of Refrigerant Recovery Mode
When a refrigerant recovery unit is connected onsite to recover refrigerant, fully open the electronic
expansion valve of the outdoor unit to help the recovery.
[Work procedure]
(1) Stop operation.
(2) Turn ON refrigerant recovery mode by performing the following steps.
Operating procedure
Press and hold the MODE (BS1) button of "Setting mode 1"
for 5 seconds or more and set to "Setting mode 2."
Press the SET (BS2) button 28 times to set the LED display
as shown in the table on the right. (1)
Press the RETURN (BS3) button once. (Present settings
are displayed.)
Press the SET (BS2) button once to set the LED display as
shown in the table on the right.
Press the RETURN (BS3) button once to make a decision. k
When the RETURN (BS3) button is pressed once again, the
electronic expansion valve opens fully.
(3) Connect a refrigerant recovery unit to perform refrigerant recovery. (For a refrigerant recovery port, refer
to the installation manual.)
(4) Upon completion of refrigerant recovery, turn OFF refrigerant recovery mode by taking the following steps
or turning OFF the power of outdoor unit.
Operating procedure
Press the SET (BS2) button 28 times to set the LED display
as shown in the table on the right. (1)
Press the RETURN (BS3) button once. (Present settings
are displayed.)
Press the SET (BS2) button once to set the LED display as
shown in the table on the right.
Press the RETURN (BS3) button once to make a decision. k
When the RETURN (BS3) button is pressed once again, the
electronic expansion valve fully opens.
1: If you become unsure how many times you have pressed the button, press the MODE (BS1) button once
to return to "Setting mode 1" and start the operating procedure all over again.
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Field Setting
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