Daikin GYEQ20AN Service Manual page 108

Control Overview
Fig. 3.5/ Example of connecting 20 indoor units using a refrigerant system address of
"23"
Outdoor unit
DSW2
OFF at time Refrigerant
of H-LINK2 system
connection address
Upper position
(tens position)
Binary system
Other outdoor unit
∗ For more information on indoor unit configurations, see the instruction manual that comes with
• After you have finished wiring work and outdoor unit configuration work, perform "Wiring
97
Refrigerant piping system address is set at "23"
Unit number setting
DSW6 (tens position)
Refrigerant
system
Refrigerant system setting
address
DSW5 (tens position) RSW2 (units position)
Lower position
(units position)
Binary system
Refrigerant system address
Turn ON the number corresponding
to the tens position.
the indoor units.
Wiring change
change" by pressing and holding down SW2 on the main circuit board for at least 5 seconds
with the power ON prior to test run. Without the "Wiring change," establishing the
communication may fail.
Total of 20 units
RSW1 (units position)
Refrigerant system address Refrigerant system address
Match this with the number Turn ON the number corresponding
corresponding to the units position. to the tens position.
SiAUY361411EA
Unit number setting
RSW1 (units position)
DSW6 (tens position)
Refrigerant system setting
DSW5 (tens position) RSW2 (units position)
Refrigerant system address
Match this with the number
corresponding to the units position.
022671-00E
Control and Functionality