AirStage AO54FJ, Service Manual

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15
Protective Function
Discharge Tempe Protection 1
Discharge Tempe Protection 2
Discharge Tempe Protection 3
Cooling Overload Protection 1
Cooling Overload Protection 2
Heating Overload Protection 1
Heating Overload Protection 2
High Pressure Protection
Low Pressure Protection
Low Pressure Protection Stop 2
Active Filter Detected Protection
Active Filter Over Voltage Protection
Current Release Protection
IPM Over Current
High Pressure Ratio Avoid Control
Detect Parts
Discharge Tempe Thermistor
Discharge Tempe Thermistor
Discharge Tempe Thermistor
Heat exchanger Mid Thermistor
Heat exchanger Mid Thermistor
Heat exchanger Mid Thermistor
(Indoor unit) Maximum Value
Heat exchanger Mid Thermistor
(Indoor unit) Maximum Value
Pressure Switch 1
Pressure Switch 2
Pressure Switch 2
Pressure Switch 2
Element in Active Filter
Element in Active Filter
Detect circuit in PCB
Element in IPM
Condition of Protection Detective
Function
Compressor speed is decreased by 10Hz/120sec
until it becomes lower than 108 C.
SV2 is opened.
Compressor stops.
Abnormal discharge temperature by 2times with in 40min.
Compressor speed is decreased by 10Hz/120sec
until it becomes lower than 59 C.
SV1 is opened.
Compressor speed is decreased by 10Hz/120sec
until it becomes lower than 47 C.
SV1 is opened.
Compressor stopes.
Abnormal discharge temperature by 2times with in 20min.
Compressor speed is decreased by 3Hz/15min until it becomes ON.
Compressor stops.
Compressor stops.
Abnormal low pressure by 2times with in 40min.
Compressor stops.
Compressor stops.
Compressor speed is decreased by 1Hz/2sec until it becomes to the
release current value.
Compressor stops.
Abnormal stop by detecting 5times within 40 sec after start-up.
1.Depends on DIP-SW
Setting.
Protective Function List
Start: 108 C more.
Release: 93 C less (120sec)
Start: 113 C more.
Release: 93 C less (120sec)
Start: Pressure SW OFF(4.2MPa more)
Release: Pressure SW ON(3.2MPa)
Start: 118 C more.
Release: 93 C less (10min)
Start: 59 C more.
Release: 52 C less (120sec)
Start: 61 C more.
Release: 52 C less (120sec)
Start: 56 C more.
Release: 47 C less (120sec)
Start: 57 C more.
Release: 47 C less (120sec)
Start: Pressure SW OFF(0.2MPa less)
Comp rotate 90Hz more
15 minutes
Release: Pressure SW ON(0.35MPa)
Comp rotate 90Hz less than
Start: Pressure SW OFF 10 minutes
Release: Pressure SW ON 3 minutes
Comp stop
20 min after Compressor started up
Start: Pressure SW OFF 15 sec
3 min after Compressor start-up
immediately upon Power-on
Release: Pressure SW ON
Comp stop
Start: Detected Open
Release: Release open detection
Start: Detected excessive voltage
Release: Release excessive voltage
Start: Setting current limit value
Release: Setting current limit value-1A
detection
Start: Detected Current 61.4 83.8A
Release: Release by compressor stop
1
4-7-1 Protective Function List
4-7 PROTECTIVE FUNCTION
04-08