– 240 –
9-2. Compressor Backup Operation Setting
<Outline>
If a fault occurs to one of the compressors installed in outdoor unit, follow the procedure described below to back
up the faulty compressor by using the remaining, normal compressor(s).
<Work Procedure>
(1) Turn off the power supply to all the outdoor units connected to the system.
(2) Set the DIP switches of SW06, provided on the interface P.C. board of the outdoor unit with the faulty
compressor, as shown in the table below.
(3) Turn on the power supply to all the units connected to the system.
This is the end of compressor backup operation setting.
Three-compressor model
SW06
Bit 1Bit 2Bit 3Bit 4
FFOFFOFFOFFOgnittes tluafed yrotcaF
When compressor No. 1 (front left) is faulty ON OFF OFF OFF
When compressor No. 2 (front center) is faulty OFF ON OFF OFF
When compressor No. 3 (front right) is faulty OFF OFF ON OFF
Two-compressor model
SW06
Bit 1Bit 2Bit 3Bit 4
FFOFFOFFOFFOgnittes tluafed yrotcaF
When compressor No.1 (front left) is faulty ON OFF OFF OFF
When compressor No.2 (front right) is faulty OFF ON OFF OFF
1234 1234 1234 1234
1234 1234 1234 1234
SW06 SW07 SW09 SW10
SW11 SW12
1234 1234
SW16 SW17
SW13 SW14
To Next Page
Loading...
Need help?
General
