The CO2Input package can be used to add TileEntities, including Multiblocks to the Immersive Intelligence CO2 Collector sources list.

ZenScript
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import mods.immersiveintelligence.CO2Input;

Type	Name	Required
Type String	Name Classpath	Required Yes
Type int	Name Time	Required Yes
Type int	Name Amount	Required Yes
Type int[]	Name Positions	Required Yes

To acquire the in-multiblock position, use the command /ct nbt while having an empty hand looking at a desired multiblock.
Position is the same for all facings and mirroring.

ZenScript
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mods.immersiveintelligence.CO2Input.addMultiblock(String classPath, int time, int amount, int[] pos);

ZenScript
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mods.immersiveintelligence.CO2Input.addMultiblock("com.yetanotherimmersiveaddon.blocks.multiblock.ExampleMultiblock", 100, 4824, [1,2,3]);

Type	Name	Required
Type String	Name Classpath	Required Yes
Type int	Name Time	Required Yes
Type int	Name Amount	Required Yes

ZenScript
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mods.immersiveintelligence.CO2Input.addTile(String classPath, int time, int amount);

ZenScript
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mods.immersiveintelligence.CO2Input.addTile("com.examplemod.tile.ExampleTile", 100, 4824);