Toyotomi TAG-A28FWIS, Руководство по обслуживанию

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– 12 –
Compressor
Outdoor fan
4way valve
ON OFF OFF
ON
ON
ON
ON
50Hz 67Hz
MAX
★
2min.
3min. 2min.
50sec.
50sec.
53sec. Max 12min. 53sec.
sec.
10
2min.
-2˚C
8˚C
Defrosting starts Defrosting stop
Temperature of
outdoor heat exchanger
TAN/ TAG-A28FWIS
TAN/ TAG-A32FWIS
★
60Hz
80Hz
DEFROSTING OPERATION(FOR OUTDOOR UNIT HEAT EXCHANGER)
•
Defrosting operation is controlled by the temperature of outdoor heat exchanger sensed by the thermistor and
the timer switch.
•
Defrosting operation starts when the both of the following conditions are met at the same time.
a) 40 minutes’ of continuous run of the compressor after the start of heating operation or after the completion
of previous defrosting operation.
b) the temperature of the outdoor heat exchanger stays lower than -2
°
C continuously for two minutes.
•
Defrosting operating is called off if either of the following conditions is met.
a) The temperature of outdoor heat exchanger rises to 8
°
C while 4-way-valve is ON.
b) 12 minutes has passed since compressor turned ON.
OPERATION DETAILS