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Si30-408
Adaptors for Connection of Air Conditioners
Appendix
219
5.3.3 Field Settings
1. The contents of the various settings for unified switching of the operation mode (cool, heat,
fan) are as follows.
2. The contents of the various settings for unified switching of demand and low noise operation
are as follows.
Field setting start
Grouping the outdoor units by each operation mode.
(Herein after refer to as "operation mode group").
Each group shall be required this adaptor.
<Means of switching operation mode?>
COOL/HEAT selector
Indoor unit remote controller
Set SS2 of the adaptor to "OFF."
Designate and set outdoor units as "MASTER"
and "SLAVE" (See the outedoor
unit's CAUTION ON OPERATION.)
Set SS1 of the P board of the outdoor unit set as
"MASTER" to "IN/D UNIT" (See the outdoor
unit's CAUTION ON OPERATION.)
Note 1: Match the address of the adaptor and outdoor units for each control unit.
Set SS2 of the adaptor to "OFF".
Nominate the "MASTER" unit and "SLAVE" units
per operation mode group and set them on the
outdoor unit's P board ass'y
Setting switches cannot be
switched unless the power
is turned on. Be sure,
therefore, to turn the
power off after switching
the switches.
Setr SS1 of the P board of the oudoor unit set as
"MASTER" to "OUT/D UNIT." (See the outdoor
unit's CAUTION ON OPERATION.)
Field setting complete
Set the 5-bit COOL/HEAT address of the adaptor
and outdoor units. (See Note 1.)
Set hte service/mode for the oudoor units by operating
the switches on the P board ass'y. (See fig. 2.)
The adaptor is set by DS1, 2. (See fig. 1.)
Divide the outdoor units for demand control and low-noise
control into units to be switched together (Herein after refer to
as "demand control group"). An adaptor is required for each unit.
Field setting start
Field setting complete
Set the 5-bit demand address of the adaptor and outdoor units.
Set the service mode for the outdoor units by operating the
switches on the P board ass'y. (See fig.3.)
The adaptor is set by DS1,2. (See fig.1.)