Panasonic MCO-230AIC Operating Instructions Manual page 79

When the CO density level remains unchanged, even though the CO
2
unit regards the present connecting CO
over automatically. These movements are displayed (Table. 2).
1. When CO gas is remaining in CO
2
gas cylinder A (Situation 1 on table 2).
2. When CO gas cylinder A is empty, the level of CO
2
gas is not supplied into the unit even though CO
3. When the Situation 2 continues for 2 to 3 minutes, CO
regarding CO gas cylinder as an empty. At this time, CO
2
and CO gas supply indicator A is displayed in reverse video and blinks (Situation 3 on table 2).
2
4. CO gas empty alarm is released by pressing Buzzer key. The reverse video is put the light off (Situation
2
4 on table 2).
5. Exchange the empty CO
table 2).
6. When CO gas cylinder B is empty, it changes into CO
2
Table 2 CO gas supply line automatic changeover
2
(e.g.) When CO gas cylinder A is empty, it changes over CO
2
Situation
Supply line Cylinder A Cylinder B
CO gas is supplying
2
1
from valve A.
CO density in the
2
chamber is not
2
increased even if
CO gas valve opens.
2
CO gas supply line
2
is changed over B
3
automatically.
Pressed Buzzer key.
4
Changed empty gas
5 cylinder A
into a new one.
Note:
・When the Buzzer key is not pressed in the Situation 4 and the CO
CO gas cylinder A being replaced in the Situation 5, the operation of switch between CO
2
A and B will be repeated. In this case, replace the both CO
key immediately.
・The changeover of CO
the gas tube is clogged, the gas is leaking, the gass pressure is dropped down, or the level of valve open
for CO gas cylinder is not enough, etc, the changeover of CO
2
CO gas cylinder being used is not empty.
2
gas cylinder as an empty. The CO
2
gas cylinder A, the unit operates with CO
2
2
gas cylinder A into a new one immediately after the Situation 4 (Situation 5 on
2
CO gas
2
A Remaining Remaining
A Empty Remaining
B Empty Remaining
B Empty Remaining
B Remaining Remaining
gas cylinder is judged by an increaes of CO
2
gas valve in the unit is opened, the
2
density in the unit does not increase because CO
2
gas valve in the unit is open (Situation 2 on table 2).
gas supply line is changed over automatically by
2
gas empty alarm is activated, the buzzer sounds,
2
gas cylinder A.
2
gas cylinder B.
2
CO gas supply line indicator
2
gas cylinder B gets empty without the
2
gas cylinders, A and B, and press the Buzzer
2
density in the chamber. In case that
2
gas cylinder may be done even though the
2
gas supply line is changed
2
gas supplied from CO
2
Message
A B display field
Light on Light off
Light on Light off
Reverse Err01:
video Light on CO Gas Empty
2
and blink (and buzzer)
Light off Light on
Light off Light on
gas supply line
2
2
2
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