Si30-408 System Basic Configuration
Introduction 11
3. System Basic Configuration
3.1 Cooling / Heating Selection -Standard- System
3.1.1 Type A
z R(S)XY(P) ~
Outdoor unit
Cooling Mode
Cooling Mode
R22 / R407C
Two pieces of piping for liquid and gas
Normal motorized valve
(SH) control
Normal motorized valve (SH) control
Master Slave
Slave
• Controls operation mode by using four way valve
• Changing of outdoor heat exchanger to
condenser or evaporator
• 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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