138 Universal System Air Conditioner
Outdoor Units
Outdoor Units
1.Basic control
1.1 Normal operation
❈
PID : Proportional Integrate Derivative
1.2 Compressor control
Frequency Control:Frequency that corresponds to a room capacity will be determined according to the room
temperature, outdoor temperature and the difference in the temperature of a room and the temperature set by
the remote controller.
Cooling mode
Heating mode
Stop state
Compressor
Step Control
Step Control
stop
Fan
Step Control
Step Control
After 30sec, Off
EEV
PID Control
PID Control
After 60sec, Full Open
4 way valve
Off
On
After 30sec, Off
Step_base
Standard frequency step by
∑
Qj (Summation of capacity code)
Long piping
Comp. Step compensation by setting long piping
∆
Step_TAO
step compensation by TAO (Outdoor temp.)
∆
Step_TAI
step compensation by TAI (Indoor temp.)
∆
Step_DTAI
Step Compensation of temperature difference Indoor Temp. and Setting Temp.
Comp_Step = (StLong piping compensation) x
∆
Step_TAO x
∆
Step_TAI x
∆
Step_DTAI
Summary of Contents for ABNH186HLAB
Page 66: ...66 Universal System Air Conditioner II Outdoor Units Introduction 67 AUUW B AUUW 0 R410A 69 ...
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Page 126: ...Schematic Diagram 126 Universal System Air Conditioner Ceiling Cassette Type ...
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Page 183: ...P No 3828A22009B Printed in Korea ...