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Protection Control
ESiEN09-06 A
40
Function
4.5
STD Compressor Overload Protection
This control is used to prevent abnormal heating due to overcurrent to the compressor resulting
from failures of STD compressor such as locking.
4.6
Injection Control (only for ERQ 125 A7W1B)
For transitional rise in discharge pipe temperature, have the liquid refrigerant flow into the
suction side to reduce the discharge pipe temperature for the compressor protection.
STD compressor ON
CT detection current value>15.0A
STD compressor OFF for 30 min.*
Demand to operate.
When occurring 3 times within 90 minutes,
the malfunction code “ E6 ” is output.
*If the power supply is reset while in
operation prohibition mode, the prohibition
timer will continue counting when the
power supply is turned ON.
SVT = OFF
SVT = ON
HTdi
<107˚C
HTdi
>112˚C
HTdi: Correction value of the discharge pipe
temperature on the INV compressor.
Summary of Contents for ERQ Series
Page 2: ......
Page 16: ...Combination Table ESiEN09 06 A 6 General Information...
Page 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...
Page 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...
Page 58: ...Outline of Control ESiEN09 06 A 48 Function...
Page 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...
Page 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...