Sanyo MCO-18AIC Service Manual page 67

BEFORE COMMENCING OPERATION
Automatic CO
An automatic CO cylinder changeover system (MCO-21GC) is available as an optional accessory. This
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kit switches the gas supply line when one CO
Note: The installation of MCO-21GC should be implemented by a qualified service personnel.
After attachment of MCO-21GC, do the following:
1. Connect a CO gas pipe to port A and B respectively. A connecting port for CO
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on the left back of the unit. (See page 10 and 11.)
2. Connect a CO gas cylinder provided with a gas pressure regulator to each gas pipe. See page 17,
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for the connection of the gas cylinder.
3. Open the valve of each gas cylinder.
4. Check that the CO
5. Select a CO gas supply line (A or B).
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6. When one cylinder is empty, the indicator is flashed, buzzer sounds (remote alarm is activated), and
"E01" is displayed alternately on the control panel while the gas supply line is switched to other one. To
silence the buzzer, press the BUZZER key.
7. Replace the empty CO
Note: Exercise caution when handling empty CO
cylinder.
This kit MCO-21GC detects that no more CO
chamber is not increased for a while after opening of CO
supply line. The switching of supply line can be caused by some other reasons; blocking or restricting of
gas tube, reduction of CO
in the cylinder. Therefore, always check the gas quantity in the cylinder prior to disconnection.
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cylinder changeover
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gas supply line indicator on the control panel is lit by pressing the switching key.
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gas cylinder.
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gas exists in a cylinder when the CO
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gas pressure, or improper opening of CO
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gas cylinder is empty.
gas cylinders as some gas can still be left in the
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gas valve in the unit and switches the gas
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gas cylinder, in spite of gas quantity
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gas pipe is located
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density in the
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