WGC-IT / GC-IT Model:
18
- 2
4
Technical Information
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As the instruction feature of split unit, concerning the comfortable, in heating mode, the indoor ambient temperature of compressor
stopping time is higher than preset temperature.
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Effective judgment function of the outdoor exhaust temperature thermo-bulb
When conditions a and b are satisfied, the outdoor exhaust temperature thermo-bulb is judged not to be connected into place, the
mainboard of outer units will display failure of the outdoor exhaust temperature thermo-bulb (not connected into place), stop the unit for
repairing, and resume it by remote controls of ON/OFF.
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Conditions and processes of cooling operation:
a) If the compressor is stop, and [T
preset
– (T
indoor ambient
– ΔT
cooling indoor ambient temperature compensation
)] ≤ 0.5°C, start up the unit for cooling, and start
to cooling operation;
b) During operations of cooling, if 0°C ≤ [T
preset
– (T
indoor ambient
–ΔT
cooling indoor ambient temperature compensation
)] < 2°C, the cooling operation will be still
running;
c) During operations of cooling, if 2°C ≤ [T
preset
– (T
indoor ambient
–ΔT
cooling indoor ambient temperature compensation
)], the cooling operation will stop after
reaching to the temperature point.
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Temperature setting range
a) If T
outdoor ambient
≥ [T
low-temperature cooling
], the temperature can be set at: 16~30°C (Cooling at room temperature);
b) If T
outdoor ambient
< [T
low-temperature cooling
], the temperature can be set at: 25~30°C (Cooling at low temperature), that is, the minimum setting
temperature for outdoor unit judgment is 25°C.
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Conditions and processes of dry operations: Same as the cooling mode;
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The temperature setting range is: 16~30°C;
(3) Fan Mode
1. The compressor, outdoor fan and four-way valve are switched off;
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The temperature setting range is: 16~30°C.
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Conditions and processes of heating operations: (T
indoor ambient
is the actual detection temperature of indoor environment thermo-bulb,
ΔT
heating indoor ambient temperature compensation
is the indoor ambient temperature compensation during heating operations)
a) If the compressor is stop, and [(T
indoor ambient
–ΔT
heating indoor ambient temperature compensation
) –T
preset
] ≤ 0.5°C, start the machine to enter into heating
operations for heating;
b) During operations of heating, if 0°C ≤ [(T
indoor ambient
–ΔT
heating indoor ambient temperature compensation
) –T
preset
] < 2°C, the heating operation will be still
running;
c) During operations of heating, if 2°C ≤ [(T
indoor ambient
–ΔT
heating indoor ambient temperature compensation
) –T
preset
], the heating operation will stop after
reaching the temperature point.
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The temperature setting range in this mode is: 16~30°C.
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After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous
3minutes, the defrosting operation will start.
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Start to defrost: Compressor stops and starts up 55S later;
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Defrosting fi nish: Compressor stops and starts up 55S later;
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Conditions of fi nishing defrosting
The defrosting operation can exit when any of the conditions below is satisfied:
a) T
outdoor pipe
≥ 12°C;
b) T
outdoor ambient
<-5°C, and the Toutdoor pipe≥ 6°C last more than 80S;
c) The continuous running time of defrosting reaches to 8min.
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