Gree JKFD15CR/Na-M, Руководство по обслуживанию

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GREE Air-ccoled Closed Control Unit Service Manual
90
to clear the malfunction signal.
Overload
protection of
compressor
Overcurrent
protector
When overload of compressor is detected for
continuous 3s, compressor and corresponding loads will
be turned off without being restricted by set delay time.
The outdoor fan will be turned off 5 seconds later, the
corresponding malfunction will be displayed on display
and alarm also will be given out. After 3 minutes, if
overload of compressor is automatically removed, the
compressor will automatically operate without being
restricted by delay time and the malfunction signal will
be removed. If the malfunction can’t be removed
automatically, or the protection occurs 3 times during 1
hour, there is such malfunction and the operation can’t
be automatically resumed. The corresponding
malfunction will be displayed and alarm will be given
out. Reset or de-energize the unit to clear the
malfunction signal.
Overload
protection of
indoor fan
built-in guard wire
of indoor fan
If overload of indoor fan is detected for continuous 3
seconds, the complete unit will stop and all loads will be
turned off without being restricted by delay time.
Corresponding malfunction will be displayed and alarm
will be given out. Reset or de-energize the unit to clear
the malfunction signal.
Overheating
protection of
electric
heater
Thermostat
When thermostat is off for continuous 3s, corresponding
electric heater will be turned off and it can’t
automatically resume operation. Corresponding
malfunction will be displayed and alarm will be given
out. Reset or de-energize the unit to clear the
malfunction signal.
Low air
pressure
malfunction
of indoor fan
Air pressure switch
When indoor fan operate for 10s, if the signal of
activation of air switch is detected for continuous 3s, the
complete unit will stop and all loads will be turned off
without being restricted by set delay time.
Alarm of
blocking filter
Air pressure switch
When indoor fan operate for 10s, if the signal of
activation of air switch is detected for continuous 3s, the
corresponding malfunction will be displayed and alarm
will be given out without affecting other loads. When
indoor fan operates, if air switch of filter works normally
for continuous 1 min, the malfunction will be removed.
Reset or de-energize the unit to clear the malfunction
signal.
Malfunction
of probe for
return air
Probe of temp and
humidity of return
air
If detect that the probe for return air failures for
continuous 1 min, indoor fan will operate when the unit
is started up while it will be turned off when the unit is