Sanyo MDF-C2156VAN, Руководство по обслуживанию, Страница: 7 / 42

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Item MDF-C2156VAN MDF-C2156VANC
Status monitor function
When ambient temperature is higher than approx. 35
㷄
or lower
than approx. 0 㷄 , ‘Ambient temp is abnormal ‘ is displayed on LCD.
When power supply voltage is lower than approx.170V, ‘The power
supply is abnormal’ is displayed on LCD.
Data log function
z
Recordable for approx. 4weeks in 12min. intervals.
z Door delay time (more than 2min.) is recordable.
z
Temperature for cascade sensor, filter sensor and AT sensor
are recordable.
z
Log data is transmittable to PC with interface,
MTR-480.(Option)
Self diagnosis function
In the event of any failure among temp. sensor, filter sensor and
cascade sensor;
z
Error code and message are emitted.
z ALARM lamp flashed, remote alarm contact turns over and
intermittent buzzer emit.
Key lock function
Key lock ‘0’: Key lock is released.
Key lock ‘1’: Key locks
L stage
When the temperature in cascade sensor is -34 㷄 or lower,
compressor (L) turns on.
When the temperature in cascade sensor is -12 㷄 or higher,
compressor (L) turns off.
Overload relay and High pressure switch (L) are controlled.
Compressor
protection
H stage
When the temperature in filter sensor is +60 㷄 or higher,
compressor (H) turns off.
When the temperature in filter sensor is 10
㷄
lower than ambient
temperature, compressor (H) turns on.
Back-up systems
z Automatic liquid N
2
injection device
z
Temp. setting range;
z Indication: BACK-UP (Green)
z Back-up test switch; 8R2021
z
Power switch; Locker switch
z Back-up systems can be available for 48 hours by full charged
lead storage battery.
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