![background image](http://html.mh-extra.com/html/daikin/ary20dv2/ary20dv2_service-manual_501356032.webp)
SiBE01-503
Control Specification
Functions and Control
23
3. Control Specification
3.1
Four Way Valve Switching
Outline
Current is conducted during heating operation, and current is not conducted during cooling or
defrosting. In order to eliminate the switching sound (as the four way valve coil switches from
ON to OFF) when the heating is stopped, the delay switch of the four way valve is carried out
after the operation stopped.
Detail
The four way valve is switched 2 minutes after the compressor stops.
3.2
3-Minutes Standby
Prohibit to turn ON the compressor for 3 minutes after turning it off.
(except when defrosting)
3.3
Compressor Protection Function
When the compressor turns ON, it keeps running at least 120 seconds.
(except when defrosting)
3.4
Fan OFF Delay
The fan stops 30 seconds after the compressor stops.
(except when defrosting)
3.5
Freeze-up
Protection Control
Outline
During cooling/dry operation, freeze-up protection control is activated according to the
temperature of the indoor heat exchanger to prevent it freezing.
Detail
Conditions for starting
Temperature of the indoor heat exchanger
≤
0
°
C
Compressor running time
≥
10 minutes
While controlling
The compressor halts.
The indoor fan rotates at L tap.
Conditions for ending
Temperature of the indoor heat exchanger
≥
13°C
or
The operation stops.
Summary of Contents for ARY20DV2
Page 1: ...SiBE01 503 SPLIT Pair D Series Applied Models zNon Inverter Pair Heat Pump ...
Page 5: ...SiBE01 503 iv Table of Contents Index i Drawings Flow Charts iii ...
Page 10: ...SiBE01 503 List of Function 1 Part 1 List of Function 1 Functions 2 ...
Page 13: ...Functions SiBE01 503 4 List of Function ...
Page 14: ...SiBE01 503 Specifications 5 Part 2 Specifications 1 Specifications 6 ...
Page 35: ...Control Specification SiBE01 503 26 Functions and Control ...
Page 59: ...Instructions SiBE01 503 50 System Configuration ...
Page 79: ...Check SiBE01 503 70 Service Diagnosis ...
Page 117: ...Others SiBE01 503 108 Others ...