Read Sharp AY-XP13CR (serv.man8) Service Manual online
23
AY-XP08CR
AY-XP10CR
AY-XP13CR
AY-XP10CR
AY-XP13CR
2. OUTDOOR UNIT
2-1 Defrost operation
(1) Overview
2-1 Defrost operation
(1) Overview
Defrosting begins during heating if the conditions for
compressor operation time and outdoor heat
exchanger temperature are met.
When defrosting begins, the indoor and outdoor fans
stop. Defrosting stops when the temperature of the
outdoor heat exchanger goes above approximately
5˚C or defrosting time exceeds 13 minutes.
compressor operation time and outdoor heat
exchanger temperature are met.
When defrosting begins, the indoor and outdoor fans
stop. Defrosting stops when the temperature of the
outdoor heat exchanger goes above approximately
5˚C or defrosting time exceeds 13 minutes.
More than
20 min.
More than
20 min.
Defrosting
Max. 12 min.
Heating
operation
start
Defrosting
Max. 12 min.
More than
20 min.
Defrost
mask time
Defrost
mask time
Defrost
mask time
Heating
begins
Defrosting
Max. 13 min.
Defrosting
Max. 13 min.
2) Defrosting
If the compressor operation time is more than 20
minutes in the heating mode and the outdoor air
temperature and outdoor heat exchange temperature
satisfy the defrosting conditions, the defrosting
operation is started.
When the outdoor sheat-exchanger temperature
reaches approx. 7°C or above or when the defrosting
time exceeds 13 minutes, the defrosting operation is
quit.
minutes in the heating mode and the outdoor air
temperature and outdoor heat exchange temperature
satisfy the defrosting conditions, the defrosting
operation is started.
When the outdoor sheat-exchanger temperature
reaches approx. 7°C or above or when the defrosting
time exceeds 13 minutes, the defrosting operation is
quit.
(3) During defrosting
When defrosting begins, the compressor stops.
Approximately 1 minute later, the compressor
reactivates in the refrigeration cycle, and the outdoor
heat exchanger is defrosted.
Each mode is as follows:
The outdoor fan is stopped
The operating frequency is as shown in the table
below The indoor fan is stopped.
The 4-way valve is OFF.
Approximately 1 minute later, the compressor
reactivates in the refrigeration cycle, and the outdoor
heat exchanger is defrosted.
Each mode is as follows:
The outdoor fan is stopped
The operating frequency is as shown in the table
below The indoor fan is stopped.
The 4-way valve is OFF.
AE-X08CR
for 5 minutes
after 5 minutes
51.667
51.667
62.500
62.500
83.750
83.750
AE-X10CR
AE-X13CR
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