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Automatic Co 2 Cylinder Changeover - Sanyo MCO-18AC UV Instruction Manual

Co2 incubator
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AUTOMATIC CO
An automatic CO
cylinder changeover system (MCO-21GC) is available as an optional accessory. This
2
system switches the gas supply line when one CO
Note: The installation of the MCO-21GC must be performed only by qualified service personnel.
Install the MCO-21GC and then perform the following procedure
1. Connect the CO
2
gas pipes are located on the left back of the incubator. (Refer to page 8).
Note: Only port A can be used when the MCO-21GC is not installed. There will be 2 ports, ports A and
B, after the MCO-21GC is installed.
2. Connect a CO
gas cylinder equipped with a gas pressure regulator to each gas pipe. Refer to page
2
14 for information on connecting the CO
connected to the CO
connected to the CO
3. Open the valve of both gas cylinders.
4. Check that the CO
line switching key.
5. Select a CO
gas supply line (A or B).
2
6. The MCO-21GC detects that there is no more CO
chamber does not increase for a while even after opening the CO
the gas supply line when it detects that there is no more gas. At that time, the following indications of
switching the gas cylinder are provided.
Digital temperature indicator
E01 is displayed alternately with the
temperature on the digital
temperature indicator.
●To silence the buzzer, press the alarm buzzer stop key (BUZZER). The alarm condition is cleared and
normal operation continues.
7. When gas cylinder A is switched to B, remove gas cylinder A and replace it with new one.
Note: Be careful when handling the empty CO
8. When gas cylinder B becomes empty, the line is switched to gas cylinder A again.
The MCO-21GC detects that there is no more CO
chamber does not increase for a while even after opening the CO
line may also be switched for other reasons even though there is gas left in the cylinder: blocking or
restricting of gas tube, reduction of CO
check the gas quantity in the cylinder before disconnecting it.
CYLINDER CHANGEOVER
2
gas pipes to connecting ports for CO
gas cylinders. ("Gas cylinder A" is the CO
2
gas pipe connected to port A, and "gas cylinder B" is the CO
2
gas pipe connected to port B.)
2
gas supply line indicator on the control panel is lit by pressing the CO
2
Intermittent tone
gas pressure, or improper opening of CO
2
gas cylinder is empty.
2
gas pipes A and B. Connecting ports for CO
2
gas in a cylinder when the CO
2
gas valve in the incubator. It switches
2
CO
2
Buzzer
Empty line
Blinks
gas cylinder. Some gas may still be left in the cylinder.
2
gas in a cylinder when the CO
2
gas valve in the incubator. The supply
2
39
gas cylinder
2
gas cylinder
2
gas supply
2
density in the
2
gas supply line indicator
The other line
Lights
density in the
2
gas cylinder. Always
2
2

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Mco-18ac