Hokkaido HCNL 821 XMR, Руководство по обслуживанию

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Te
≤
C
×
TA
－α
Herein: C
：
TA
＜
0
℃，
C=0.8 TA
≥
0
℃，
C=0.6
According to SW2, the setting is as follow: in the place easy to frost, it is H; when out of factory, it is M.
Jumper
selection
M(out of factory) H
α
(
℃
)
8(E) 6(E)
②
Defrosting entering condition: -15
℃≤
C
×
TA
－α≤
-2
℃
③
Stop and Pause condition of compressor running accumulative time in heating mode:
Checking Stop: running operation changes from heating to cooling.
Checking Pause: thermostat OFF, or the unit stops.
3.7.2 Cancel condition:
It will take the max. 10 minutes from beginning defrosting to quit it. Te sensor will measure the condition of
outdoor heat exchanger, if the temp. is over 7
℃
for 60 seconds in all or is up to 12
℃
for 30 seconds in all,
the defrosting will be over.
3.7.3 Compulsory defrosting control
Enter condition: in heating mode, after receiving the compulsory defrosting signal from indoor unit, the unit
will perform the compulsory defrosting operation.
Cancel condition: Te
≥
12
℃
and keep for 1 minute or the defrosting time is over 10 minutes.
The manual defrosting signal of indoor unit will remain until the outdoor enters defrosting mode.
Note: When outdoor compressor not running, the unti still can enter manual defrosting, but it will comply
with the 3-minute protection of compressor.
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