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6. 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 N
2
(or O
2
) gas cylinder. Some gas may still be left in the
cylinder.
●When gas cylinder B becomes empty, the line is switched to gas cylinder A again.
The incubator detects that there is no more N
2
(or O
2
) gas in a cylinder when the O
2
density in the
chamber does not increase for a while even after opening the N
2
(or O
2
) gas valve in the Incubator. The
supply 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 N
2
(or O
2
) gas pressure, or improper opening of N
2
(or O
2
) gas
cylinder. Always check the gas quantity in the cylinder before disconnecting it.
● Use the following procedure to manual switch the line between N
2
(or O
2
) gas cylinders A and B. This
procedure shows switching the line from N
2
(or O
2
) gas cylinder B to A as an example.
1. From the Top Display, press the Up Cursor Key for 3 seconds.
2. The N
2
(or O
2
) gas supply line will be switched from cylinder B to A
(When the line needs to be switched from N
2
(or O
2
) gas cylinder A to B, press the Down Cursor Key for
3 seconds.)
.
1
T e m p 3 7 . 0
o
C C O 2 5 . 0 % A B O 2 5 . 0 % A B
2
3
4
5
S t a t u s
6
O K
7
.
.
.
.
1
T e m p 3 7 . 0
o
C C O 2 5 . 0 % A B O 2 5 . 0 % A B
2
3
4
5
S t a t u s
6
O K
7
.
.
.