179
2.Electrical system main components
Appellation
Figuration and inner configuration
Instruction
PCB
Function:
Via program to control the relay, make every
components on/off according to temperature
and pressure variety, so to realize automatic
control
Fan motor
Function:
Drive the fan, make the indoor and outdoor
unit have heat exchange with air.
Pressure
switch
Function:
To avoid the air conditioner work in a
abnormal pressure, making the air
conditioner work safety.
Capacitor
Induce the single-phase motor produce gyre
magnetic field, connect with the
accessory winding, and participate in the
operation.
AC
Contactor
When AC contactor’s inner magnetic loop
without power, the counter force of spring
and the weight of armature core will make
the main connector disconnect, when the
magnetic loop with power, it will make the
main connector connect, the power is on,
accessories contactor will act.
Содержание ICC(ICA)-**HR-SA6-NI
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Страница 75: ...155 Introduction of Control Board QRD SW3F HCE1 outdoor unit board sockets Power supply 380V 415V ...
Страница 104: ...186 7 Failure analysis Wired controller communication failure ...
Страница 105: ...187 Communication failure between indoor and outdoor unit ...
Страница 106: ...188 Outdoor protection phase sequence ...
Страница 107: ...189 Cooling high pressure protection ...
Страница 108: ...190 Heating high pressure protection ...
Страница 109: ...191 Cooling low pressure protection ...
Страница 110: ...192 Heating low pressure protection ...
Страница 111: ...193 Cooling exhaust temperature protection ...
Страница 112: ...194 Heating exhaust temperature protection ...
Страница 113: ...195 Refrigerant shortage or four way valve failure protection ...
Страница 114: ...196 Sensor failure protection ...
Страница 115: ...197 No action after power on ...
Страница 116: ...198 Poor effect ...
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Страница 118: ...200 Abnormal sound or viberation ...
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Страница 120: ...202 Abnormal odor ...
Страница 121: ...203 Air switch action when air conditioner starting up ...
Страница 122: ...204 Air conditioner water leakage ...