Controller
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1. Control system
1.1) Brief introduction about controlling system
The control system adopts modular design, that is, all indoor units communicate with
outdoor units, refer to the following figures for the control structure between indoor units and
outdoor units. In the structure, the indoor control board receives the information from users (for
exam. set temp., fan speed etc.) and environment (ex, indoor coil temp., indoor temp. etc.) ,and
organize it to control the action of relevant parts such as EXV, four-way valve etc , then
transmits the signals to outdoor control board through the following communication circuit.
Outdoor main control board can deal with the information from indoor unit and figure out the
best running mode, and then transfer the instruction to the outdoor Slave units and indoor units
to carry out it.
Summary of Contents for R-410A
Page 103: ...Wall mount 102 Part 4 2 Wall Mounted...
Page 113: ...Wall mount 112 4 Dimensions 4 1 YDS 22 36EC 4 2 YDS 45 56EC...
Page 115: ...Wall mount 114 5 Piping Diagrams 5 1 YDS 22 56EC 5 2 YDS 22 56HC...
Page 116: ...Wall mount 115 6 Wiring diagrams 6 1 YDS 22 36EC 6 2 YDS 45 56EC...
Page 117: ...Wall mount 116 6 3 YDS 22 56HC...
Page 118: ...Wall mount 117 7 Sound level 7 1 Test condition 7 2 Noise spectrums YDS 22 36EC HC...
Page 119: ...Wall mount 118 YDS 45 56EC HC...
Page 120: ...Wall mount 119 8 Velocity temperature distribution Discharge angle 70...