Compressor Backup Operation Setting - Toshiba MMY-MAP0806FT8P-TR Service Manual

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.
<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.
F a c
When compressor No.1 (front left) is faulty
When compressor No.2 (front right) is faulty
Two-compressor model
o t y r d e a f u t l s e t t n i g
SW06 SW07 SW09
1 2 3 4 1 2 3 4 1 2 3 4
SW11 SW12 SW13
1 2 3 4 1 2 3 4 1 2 3 4
SW16 SW17
1 2 3 4 1 2 3 4
SW06
Bit 1 Bit 2 Bit 3
O F F O F F O F
ON OFF OFF
OFF ON OFF
− 244 −
SW10
1 2 3 4
SW14
1 2 3 4
Bit 4
F O F F
OFF
OFF