Phcbi MCO-230AICL-PE Operating Instructions Manual page 60

GAS AUTO-CHANGER (OPTIONAL)
5. Exchange the empty gas cylinder A for a new one immediately (Situation 5).
6. When cylinder B is empty, the supply reverts to cylinder A.
Table 2. CO gas supply line automatic changeover
2
Situation
CO gas is supplied
2
1
from valve A
CO density in the
2
chamber is not
increased even
2
though the CO gas
2
valve is open
CO gas supply line
2
is automatically
3
changed to valve B
"Buzzer" is pressed
4
New cylinder A
5
fitted
Notes:
• When the Buzzer key is not pressed in Situation 4 and cylinder B becomes empty before cylinder A is
replaced, the supply will switch back to cylinder A. In this case, replace both cylinders and press "Buzzer"
immediately.
• The automatic changeover of cylinders is linked to the CO
changeover of cylinders may also occur in the situations where, e.g. the gas tube gets clogged, gas is
leaking, the gas pressure has dropped, the valve on the gas cylinder is insufficiently open etc, even though
the cylinder being used is not completely empty.
60
CO gas
2
Supply line Cylinder A Cylinder B
A Remaining Remaining
A Empty Remaining
B Empty Remaining
B Empty Remaining
B Remaining Remaining
CO gas supply line indicator
2
A
Light on Light off
Light on Light off
Reverse
video Light on
and blink
Light off Light on
Light off Light on
density in the chamber. The automatic
2
Message
B display field
Err01:
CO Gas Empty
2
(and buzzer)