Automatic Gas Cylinder Changeover - Sanyo MCO-5M Instruction Manual

OPERATING INSTRUCTIONS

Automatic gas cylinder changeover

This incubator is provided with an automatic cylinder changeover system, which switches the gas (N
O ) cylinder when one gas cylinder becomes empty.
2
Also, an automatic CO
This kit switches the gas supply line when one CO
Note: The installation of MCO-5GC should be implemented by a qualified service personnel.
1. Indication of gas supply line currently used
N /O gas supply line
2 2
indicator
CO gas supply line
2
indicator
CO gas supply line indicator
2
2. The N /O gas supply line switches when there is no change in O
2 2
is opened. Such status is regarded as the empty gas cylinder.
Similarly, CO gas supply line switches when one gas cylinder is empty if MCO-5GC is installed.
2
The notice of change of gas supply line is as follows:
When N or O gas supply
2 2
line is switches automatically
When CO gas supply line is
2
switches automatically
(only when MCO-5GC is
installed)
• By pressing BUZZER key, the alarm is canceled and the incubator returns to the normal operation.
• Replace the cylinder A when the gas supply line is switched from cylinder A to cylinder B. Care should
be taken to the cylinder since a little gas may remain in the cylinder A.
• The supply line is switched to the cylinder A again when the cylinder B is empty.
Note:
The changeover of the gas supply line (N
and O density in the chamber. The changeover can be accomplished by some occasions (such as
2
block or press of gas tube, reduction of gas pressure, or insufficient open of gas valve) even if the
cylinder is not empty. Check the gas volume remained in the cylinder before replacement.
25
cylinder changeover system (MCO-5GC) is available as an optional accessory.
2
Lamp ON
Gas cylinder A
Gas cylinder A
(only when MCO-5GC installed)
Temperature indicator
Current chamber
temperature and E02 is
displayed alternately.
Current chamber
temperature and E01 is
displayed alternately.
or O
2 2
gas cylinder becomes empty.
2
(only when MCO-5GC installed)
N /O gas supply line indicator
2 2
density for a while even if gas valve
2
CO density indicator
2
Current CO density is
2
displayed.
Current CO density
2
and empty cylinder is
displayed alternately
"A or B".
and CO ) is determined based on the recovery of CO
2
81
2
Lamp blink with long interval
Gas cylinder B
Gas cylinder B
O density indicator
2
Current O density
2
and empty cylinder is
displayed alternately
"A or b".
Current O density is
2
displayed.
or
2