Panasonic CS-MRE7PKE, Руководство по обслуживанию

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15.13 Compressor Protection Control (Gas leak detection control 1)
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Control start conditions
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For 5 minutes, the compressor continuously operates and total current is low.
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During Cooling or Soft Dry operation:
Indoor intake temperature — indoor piping temperature is below 4°C.
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During Heating operation:
Indoor pipe temperature — indoor intake temperature is below 3°C.
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Not during deice control.
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Compressor ON with maximum frequency.
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Control content
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Compressor stops (and restart after 3 minutes)
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If the conditions above happen 4 times within 60 minutes, the unit will stop operation (“F91” is indicated).
15.14 Compressor Protection Control (Gas leak detection control 2)
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This control detect gas leakage condition to prevent compressor damage.
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Control start condition
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All connected indoor units capability supply ON.
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Compressor ON with maximum frequency.
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Not during annual cooling.
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Compressor discharge temperature high.
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Control content
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Compressor OFF during this control (“F91” is memorized in EEPROM)
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If the above conditions happen 2 times within 60 minutes, indoor units’ Timer LED will blinks (“F91” is
indicated at all indoor units)
15.15 Valve close detection control
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This control detects 3-way valve close condition to prevent damage to refrigerant cycle.
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Start conditions:
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For all connected indoor units, if Indoor intake temperature — indoor piping temperature are between -2°C
and 2°C continuously for 5 minutes after compressor ON at first cooling operation.
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The first cooling operation is defined as cooling operation is ON for less than 8 minutes after new installation
or after pump down.
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Control content
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During this control, compressor stop, indoor units’ Timer LED will blink. (“F91” is indicated at indoor units)
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Error reset can be done by power supply reset or reset by using remote control.
15.16 Compressor discharge high pressure protection control
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This control protect by using high pressure switch during operation.
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Start conditions
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High pressure switch is activated (from normally close to open) when outdoor operation mode is cooling or
heating during compressor running.
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Control 1 content
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Compressor stop when high pressure switch is opened and restart after high pressure switch closed. If this
condition happen 4 times within 30 minutes, “F94” is indicated.
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After 30 minutes, counter is reset if this condition does not happen for 4 times.
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Control 1 stop conditions
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Power supply reset
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Reset by using remote control