Airwell ELECTRA AWAU-VDDE009-H11, Руководство по обслуживанию

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12-11 SM
JE
DE 1-A.1 GB
CONTROL SYSTEMS
12.11.6.1 Deicing Starting Conditions
This protection is for Heat Pump Only
This protection is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor
heat exchanger temperature must be more than its setting values when finishing the deicing
protection.
In the deicing protection, IFAN is forced OFF.
12.11.6.2 Deicing Protection Procedure
Deicing Starting Conditions:
The starting conditions is a function of OAT and (OCT). Under the conditions that the system is in
heating operation for certain period (Accumulated time)
After the deicing starting condition is detected for continuous 3minutes, the de-icing will start.
Start deicing:
Compressor stops and starts up 55S later
OFAN will stop after compressor stops for 50S
Finish Deicing:
Compressor stops and starts up 55S later;
OFAN will start up when the compressor is stopping
12.11.6.3 Exiting Deicing
OCT
≤12°C
or
OAT<5°C and OCT≥6°C lasts for more than 80Sec
Or Maximum de-icing time reaches 8min
12.11.7
Compressor Overload Protection:
The Discharging temperature is used for detecting the
comp’ temp’. If the discharge
temperature rises above a certain level, the operating frequency upper limit is set to keep
this temperature from going up further.
Model 09/12 : Compressor will stop when CTT >110C
Model 18/24 : Compressor will stop when CTT >115C
If the unit stops as such protection for 6 times, it can not resume running automatically and
display error Code E4 , it can be resumed by pressing ON/OFF.
During the operating, If compressor operates for more than 10min, the counter of stop
operation due to protection will be cleared.
12.11.8 AC Over Current Protection:
Model 09/12: Compressor will stop when AC current reaches 14.0A for continuously
2.5s.
Model 18/24: Compressor will stop when AC current reaches 17.0A for continuously
2.5s.