System Basic Configuration Si30-408
12 Introduction
3.1.2 Type B
z BL 2 ~ 3K (A) : Functional unit
RXY ~ K (A) : Inverter unit
RNY ~ K (A) : STD unit
Functional unit
STD unit
Inverter unit
Enter to functional unit
from each outdoor unit.
Among outdoor units: three pieces of piping for liquid,
gas, and oil equalizer
To indoor units : Two pieces of piping for liquid and gas
Cooling Mode
Cooling Mode
Normal motorized valve (SH) control
Normal motorized valve (SH) control
Master Slave
Slave
R22 R22
• Selection for cooling / heating is possible only by master remote
controller (not displaying "selection under control") which has
been set.
• Slave remote controllers have following selection function only.
(1) Cooling, dry and fan only at Master unit cooling
(2) Heating and fan only at Master unit heating
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