Gree JKFD15CR/Na-M, Руководство по обслуживанию

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GREE Air-ccoled Closed Control Unit Service Manual
91
turned off. The compressor and corresponding load,
electric heater and humidifier will be turned off
according to manual turning off sequence. The outdoor
fan will be turned off in 5s. The corresponding
malfunction will be displayed and alarm will be given
out. If the probe for return air is automatically resume
normal work, the compressor, electric heater and
humidifier will resume operation and malfunction signal
will be removed. If the malfunction is not removed,
pressing reset button will not work. Manually turn off and
de-energize the unit to clear the malfunction signal.
Low current
malfunction
of humidifier
Current
transformer
When humidifier operates (HUMID closes), if current for
humidifying is lower than 1 A for continuous 10 min (feed
valve may not turned on/discharge valve may not turned
off/ short circuit may occurs between electrodes/ purified
water may be used), switch off the humidifier without
affecting other loads. Corresponding malfunction will be
displayed, and alarm will be given out. Manually turn off
and de-energize the unit to clear the malfunction signal.
Drainage
malfunction
of humidifier
Current
transformer
When humidifier operates (HUMID closes), if current for
humidifying is lower than 1.3Iset for continuous 3 min,
switch off the humidifier without affecting other loads.
Corresponding malfunction will be displayed, and alarm
will be given out. Manually turn off and de-energize the
unit to clear the malfunction signal.
High water
level
protection of
humidifier
High water level
switch of
humidifier
When humidifier operates (HUMID closes), if the signal
of high water level is detected for continuous 20 min,
switch off the humidifier without affecting other loads.
Corresponding malfunction will be displayed, and alarm
will be given out. Manually turn off and de-energize the
unit to clear the malfunction signal.
Alarm for
water on
floor
Flooding switch
When signal from flooding switch is detected for
continuous 30s (3s for quick test), the complete unit will
stop and all loads will be turned off without being
restricted by set delay time. Corresponding malfunction
will be displayed, and alarm will be given out. Manually
turn off and de-energize the unit to clear the malfunction
signal.
Sub-module
communicati
on
malfunction
Mainboard
If there is communication malfunction between
sub-module and main module for 30s, the indoor fan will
operate once the unit is started up while it will be turned
off once the unit is turned off. Compressor, electric
heater and humidifier will be turned off according to
manual turning off sequence. Corresponding