ZOLL Thermogard XP IVTM System Operation Manual - Manual (Page 65)

Operation
34
The Coldwell
4. Remove the cap from the coolant well and set it aside in a clean location.
Figure 4-36. Coolant Well Cap.
5. Check the level of the coolant. The liquid level should be between the
two indicator lines on the wall of the coolant well. If the level is below the
bottom indicator line, add distilled water until the liquid is at the top
indicator line. If the coolant level is unusually low because of spillage,
add premixed propylene glycol and water until the liquid is at the top
indicator line.
Figure 4-37. Coolant Well Liquid Level Indicator Lines.
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